phy for 5.9
- New PHY Drivers: - Samsung UFS - Qcom USB DWC for ipq806x - Xilinx ZynqMP Gigabit Transceiver - Qcom USB QMP for IPQ8074 - BCM63xx USBH - Removed: - Qcom ufs qmp phy driver - Updates: - Support for Qcom SM8250 QMP V4 USB3 UNIPHY - qcom-snps runtime pm support - Cleanup of W=1 warns in the subsystem -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAl8ZOkIACgkQfBQHDyUj g0el3g//Q/e0qIg7WybLWhbB7tGO5lP/OFOVVwVB54w35VX8cCiCuuqeiaENJ81e x4Y8DUlKxTL0XkDwNs+yp6njU6kjZjFk1+xWnFBQIFczXWbLezNlwM2rkjwAI0oO A3PW0qbWuhgc7tRfQ9ULnrG6kHtvRohT/E/Qe6nUhYaz2LJ96pY5rBg8vzrQxoXn 4vMs79dGqnxlhDASE5yKLYTus5/ntMRQCiblQjxnfRqGaNTgj40iejxzj7FEch/d H3x2/ylY9PTHXzIlrM1KdcBeKz0tfBZHOer7/kGhfmGGsoMNW8DUTEMgVzOBp+Yb VHyQBHWcVKvvv1q5XCNRN1GuGgOdNAblfmMwRQVxafNOP+tqKDdmy2LHFzA3MrDv XqxRXwmegTOJJ+Wl/pSXoRtergCXJhDNo5HDY03vlDj1AvYMxjHIjyay629ZD64C S0hxViw7Y+4W5y3DET69axRNB7ckgMuPniUf1MRSSTXLBSrL5jaCA9WvTcSeGI2y 8kVmro5zybn3DqVMrd5q/LaHpMwYkK8Iy5BrZYJWmDYj3jsOYp96CVTc07//btOW vmjYU0h0YJupPtYZTOKBY7d9BEys3Xp4tUaiz9ymBOMSsXJKoD4u3OH1ePGV9/Zm 5S7WEWb3jBjc6WdjSW2eHeMG/+gj3K5Rcg3JAcm3E8E4W8djKLE= =pkO8 -----END PGP SIGNATURE----- Merge tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next Vinod writes: phy for 5.9 - New PHY Drivers: - Samsung UFS - Qcom USB DWC for ipq806x - Xilinx ZynqMP Gigabit Transceiver - Qcom USB QMP for IPQ8074 - BCM63xx USBH - Removed: - Qcom ufs qmp phy driver - Updates: - Support for Qcom SM8250 QMP V4 USB3 UNIPHY - qcom-snps runtime pm support - Cleanup of W=1 warns in the subsystem * tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (46 commits) phy: qualcomm: fix setting of tx_deamp_3_5db when device property read fails phy: bcm63xx-usbh: Add BCM63xx USBH driver dt-bindings: phy: add bcm63xx-usbh bindings phy: armada-38x: fix NETA lockup when repeatedly switching speeds dt: update Marvell Armada 38x COMPHY binding phy: samsung-ufs: Fix IS_ERR argument dt-bindings: phy: renesas,usb3-phy: Add r8a774e1 support dt-bindings: phy: renesas,usb2-phy: Add r8a774e1 support phy: renesas: rcar-gen3-usb2: exit if request_irq() failed phy: renesas: rcar-gen3-usb2: move irq registration to init devicetree: bindings: phy: Document ipq806x dwc3 qcom phy phy: qualcomm: add qcom ipq806x dwc usb phy driver phy: samsung-ufs: add UFS PHY driver for samsung SoC dt-bindings: phy: Document Samsung UFS PHY bindings phy: sun4i-usb: explicitly include gpio/consumer.h phy: stm32: use NULL instead of zero phy: exynos5-usbdrd: use correct format for structure description phy: rockchip-typec: use correct format for structure description phy: xgene: remove unsigned integer comparison with less than zero phy: mapphone-mdm6600: Add missing description for some structure fields ...
This commit is contained in:
Коммит
1859a772e2
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@ -0,0 +1,79 @@
|
|||
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: "http://devicetree.org/schemas/phy/brcm,bcm63xx-usbh-phy.yaml#"
|
||||
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
|
||||
|
||||
title: BCM63xx USBH PHY
|
||||
|
||||
maintainers:
|
||||
- Álvaro Fernández Rojas <noltari@gmail.com>
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||||
|
||||
properties:
|
||||
compatible:
|
||||
enum:
|
||||
- brcm,bcm6318-usbh-phy
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- brcm,bcm6328-usbh-phy
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||||
- brcm,bcm6358-usbh-phy
|
||||
- brcm,bcm6362-usbh-phy
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- brcm,bcm6368-usbh-phy
|
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- brcm,bcm63268-usbh-phy
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||||
|
||||
reg:
|
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maxItems: 1
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|
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clocks:
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minItems: 1
|
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maxItems: 2
|
||||
|
||||
clock-names:
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minItems: 1
|
||||
maxItems: 2
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items:
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- const: usbh
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- const: usb_ref
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|
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resets:
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maxItems: 1
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|
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"#phy-cells":
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const: 1
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|
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additionalProperties: false
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||||
|
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required:
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- compatible
|
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- reg
|
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- clocks
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- clock-names
|
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- resets
|
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- "#phy-cells"
|
||||
|
||||
if:
|
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properties:
|
||||
compatible:
|
||||
enum:
|
||||
- brcm,bcm6318-usbh-phy
|
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- brcm,bcm6328-usbh-phy
|
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- brcm,bcm6362-usbh-phy
|
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- brcm,bcm63268-usbh-phy
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then:
|
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properties:
|
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power-domains:
|
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maxItems: 1
|
||||
required:
|
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- power-domains
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else:
|
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properties:
|
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power-domains: false
|
||||
|
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examples:
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- |
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usbh: usb-phy@10001700 {
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compatible = "brcm,bcm6368-usbh-phy";
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reg = <0x10001700 0x38>;
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clocks = <&periph_clk 15>;
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clock-names = "usbh";
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resets = <&periph_rst 12>;
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#phy-cells = <1>;
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};
|
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@ -12,6 +12,13 @@ Required properties:
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|||
- #address-cells: should be 1.
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- #size-cells: should be 0.
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|
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Optional properties:
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|
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- reg-names: must be "comphy" as the first name, and "conf".
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- reg: must contain the comphy register location and length as the first
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pair, followed by an optional configuration register address and
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length pair.
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|
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A sub-node is required for each comphy lane provided by the comphy.
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|
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Required properties (child nodes):
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|
@ -24,7 +31,8 @@ Example:
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comphy: phy@18300 {
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compatible = "marvell,armada-380-comphy";
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reg = <0x18300 0x100>;
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reg-names = "comphy", "conf";
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reg = <0x18300 0x100>, <0x18460 4>;
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#address-cells = <1>;
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#size-cells = <0>;
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|
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|
|
|
@ -0,0 +1,55 @@
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
|
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---
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$id: http://devicetree.org/schemas/phy/qcom,ipq806x-usb-phy-hs.yaml#
|
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$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
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title: Qualcomm ipq806x usb DWC3 HS PHY CONTROLLER
|
||||
|
||||
maintainers:
|
||||
- Ansuel Smith <ansuelsmth@gmail.com>
|
||||
|
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description:
|
||||
DWC3 PHY nodes are defined to describe on-chip Synopsis Physical layer
|
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controllers used in ipq806x. Each DWC3 PHY controller should have its
|
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own node.
|
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|
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properties:
|
||||
compatible:
|
||||
const: qcom,ipq806x-usb-phy-hs
|
||||
|
||||
"#phy-cells":
|
||||
const: 0
|
||||
|
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reg:
|
||||
maxItems: 1
|
||||
|
||||
clocks:
|
||||
minItems: 1
|
||||
maxItems: 2
|
||||
|
||||
clock-names:
|
||||
minItems: 1
|
||||
maxItems: 2
|
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items:
|
||||
- const: ref
|
||||
- const: xo
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- "#phy-cells"
|
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- reg
|
||||
- clocks
|
||||
- clock-names
|
||||
|
||||
examples:
|
||||
- |
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#include <dt-bindings/clock/qcom,gcc-ipq806x.h>
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|
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hs_phy_0: phy@110f8800 {
|
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compatible = "qcom,ipq806x-usb-phy-hs";
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reg = <0x110f8800 0x30>;
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clocks = <&gcc USB30_0_UTMI_CLK>;
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clock-names = "ref";
|
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#phy-cells = <0>;
|
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};
|
|
@ -0,0 +1,73 @@
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|||
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/phy/qcom,ipq806x-usb-phy-ss.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Qualcomm ipq806x usb DWC3 SS PHY CONTROLLER
|
||||
|
||||
maintainers:
|
||||
- Ansuel Smith <ansuelsmth@gmail.com>
|
||||
|
||||
description:
|
||||
DWC3 PHY nodes are defined to describe on-chip Synopsis Physical layer
|
||||
controllers used in ipq806x. Each DWC3 PHY controller should have its
|
||||
own node.
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
const: qcom,ipq806x-usb-phy-ss
|
||||
|
||||
"#phy-cells":
|
||||
const: 0
|
||||
|
||||
reg:
|
||||
maxItems: 1
|
||||
|
||||
clocks:
|
||||
minItems: 1
|
||||
maxItems: 2
|
||||
|
||||
clock-names:
|
||||
minItems: 1
|
||||
maxItems: 2
|
||||
items:
|
||||
- const: ref
|
||||
- const: xo
|
||||
|
||||
qcom,rx-eq:
|
||||
$ref: /schemas/types.yaml#/definitions/uint32
|
||||
description: Override value for rx_eq.
|
||||
default: 4
|
||||
maximum: 7
|
||||
|
||||
qcom,tx-deamp-3_5db:
|
||||
$ref: /schemas/types.yaml#/definitions/uint32
|
||||
description: Override value for transmit preemphasis.
|
||||
default: 23
|
||||
maximum: 63
|
||||
|
||||
qcom,mpll:
|
||||
$ref: /schemas/types.yaml#/definitions/uint32
|
||||
description: Override value for mpll.
|
||||
default: 0
|
||||
maximum: 7
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- "#phy-cells"
|
||||
- reg
|
||||
- clocks
|
||||
- clock-names
|
||||
|
||||
examples:
|
||||
- |
|
||||
#include <dt-bindings/clock/qcom,gcc-ipq806x.h>
|
||||
|
||||
ss_phy_0: phy@110f8830 {
|
||||
compatible = "qcom,ipq806x-usb-phy-ss";
|
||||
reg = <0x110f8830 0x30>;
|
||||
clocks = <&gcc USB30_0_MASTER_CLK>;
|
||||
clock-names = "ref";
|
||||
#phy-cells = <0>;
|
||||
};
|
|
@ -18,6 +18,7 @@ properties:
|
|||
compatible:
|
||||
enum:
|
||||
- qcom,ipq8074-qmp-pcie-phy
|
||||
- qcom,ipq8074-qmp-usb3-phy
|
||||
- qcom,msm8996-qmp-pcie-phy
|
||||
- qcom,msm8996-qmp-ufs-phy
|
||||
- qcom,msm8996-qmp-usb3-phy
|
||||
|
@ -161,6 +162,7 @@ allOf:
|
|||
compatible:
|
||||
contains:
|
||||
enum:
|
||||
- qcom,ipq8074-qmp-usb3-phy
|
||||
- qcom,msm8996-qmp-usb3-phy
|
||||
- qcom,msm8998-qmp-pcie-phy
|
||||
- qcom,msm8998-qmp-usb3-phy
|
||||
|
|
|
@ -18,6 +18,7 @@ properties:
|
|||
oneOf:
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,ipq8074-qusb2-phy
|
||||
- qcom,msm8996-qusb2-phy
|
||||
- qcom,msm8998-qusb2-phy
|
||||
- items:
|
||||
|
|
|
@ -21,6 +21,7 @@ properties:
|
|||
- renesas,usb2-phy-r8a774a1 # RZ/G2M
|
||||
- renesas,usb2-phy-r8a774b1 # RZ/G2N
|
||||
- renesas,usb2-phy-r8a774c0 # RZ/G2E
|
||||
- renesas,usb2-phy-r8a774e1 # RZ/G2H
|
||||
- renesas,usb2-phy-r8a7795 # R-Car H3
|
||||
- renesas,usb2-phy-r8a7796 # R-Car M3-W
|
||||
- renesas,usb2-phy-r8a77961 # R-Car M3-W+
|
||||
|
|
|
@ -15,6 +15,7 @@ properties:
|
|||
- enum:
|
||||
- renesas,r8a774a1-usb3-phy # RZ/G2M
|
||||
- renesas,r8a774b1-usb3-phy # RZ/G2N
|
||||
- renesas,r8a774e1-usb3-phy # RZ/G2H
|
||||
- renesas,r8a7795-usb3-phy # R-Car H3
|
||||
- renesas,r8a7796-usb3-phy # R-Car M3-W
|
||||
- renesas,r8a77961-usb3-phy # R-Car M3-W+
|
||||
|
|
|
@ -0,0 +1,75 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Samsung SoC series UFS PHY Device Tree Bindings
|
||||
|
||||
maintainers:
|
||||
- Alim Akhtar <alim.akhtar@samsung.com>
|
||||
|
||||
properties:
|
||||
"#phy-cells":
|
||||
const: 0
|
||||
|
||||
compatible:
|
||||
enum:
|
||||
- samsung,exynos7-ufs-phy
|
||||
|
||||
reg:
|
||||
maxItems: 1
|
||||
|
||||
reg-names:
|
||||
items:
|
||||
- const: phy-pma
|
||||
|
||||
clocks:
|
||||
items:
|
||||
- description: PLL reference clock
|
||||
- description: symbol clock for input symbol ( rx0-ch0 symbol clock)
|
||||
- description: symbol clock for input symbol ( rx1-ch1 symbol clock)
|
||||
- description: symbol clock for output symbol ( tx0 symbol clock)
|
||||
|
||||
clock-names:
|
||||
items:
|
||||
- const: ref_clk
|
||||
- const: rx1_symbol_clk
|
||||
- const: rx0_symbol_clk
|
||||
- const: tx0_symbol_clk
|
||||
|
||||
samsung,pmu-syscon:
|
||||
$ref: '/schemas/types.yaml#/definitions/phandle'
|
||||
description: phandle for PMU system controller interface, used to
|
||||
control pmu registers bits for ufs m-phy
|
||||
|
||||
required:
|
||||
- "#phy-cells"
|
||||
- compatible
|
||||
- reg
|
||||
- reg-names
|
||||
- clocks
|
||||
- clock-names
|
||||
- samsung,pmu-syscon
|
||||
|
||||
additionalProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
#include <dt-bindings/clock/exynos7-clk.h>
|
||||
|
||||
ufs_phy: ufs-phy@15571800 {
|
||||
compatible = "samsung,exynos7-ufs-phy";
|
||||
reg = <0x15571800 0x240>;
|
||||
reg-names = "phy-pma";
|
||||
samsung,pmu-syscon = <&pmu_system_controller>;
|
||||
#phy-cells = <0>;
|
||||
clocks = <&clock_fsys1 SCLK_COMBO_PHY_EMBEDDED_26M>,
|
||||
<&clock_fsys1 PHYCLK_UFS20_RX1_SYMBOL_USER>,
|
||||
<&clock_fsys1 PHYCLK_UFS20_RX0_SYMBOL_USER>,
|
||||
<&clock_fsys1 PHYCLK_UFS20_TX0_SYMBOL_USER>;
|
||||
clock-names = "ref_clk", "rx1_symbol_clk",
|
||||
"rx0_symbol_clk", "tx0_symbol_clk";
|
||||
|
||||
};
|
||||
...
|
|
@ -31,12 +31,16 @@ properties:
|
|||
|
||||
clocks:
|
||||
minItems: 1
|
||||
maxItems: 2
|
||||
maxItems: 3
|
||||
|
||||
clock-names:
|
||||
oneOf:
|
||||
- const: link # for PXs2
|
||||
- items: # for PXs3
|
||||
- items: # for PXs3 with phy-ext
|
||||
- const: link
|
||||
- const: phy
|
||||
- const: phy-ext
|
||||
- items: # for others
|
||||
- const: link
|
||||
- const: phy
|
||||
|
||||
|
|
|
@ -0,0 +1,105 @@
|
|||
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/phy/xlnx,zynqmp-psgtr.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Xilinx ZynqMP Gigabit Transceiver PHY Device Tree Bindings
|
||||
|
||||
maintainers:
|
||||
- Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
||||
|
||||
description: |
|
||||
This binding describes the Xilinx ZynqMP Gigabit Transceiver (GTR) PHY. The
|
||||
GTR provides four lanes and is used by USB, SATA, PCIE, Display port and
|
||||
Ethernet SGMII controllers.
|
||||
|
||||
properties:
|
||||
"#phy-cells":
|
||||
const: 4
|
||||
description: |
|
||||
The cells contain the following arguments.
|
||||
|
||||
- description: The GTR lane
|
||||
minimum: 0
|
||||
maximum: 3
|
||||
- description: The PHY type
|
||||
enum:
|
||||
- PHY_TYPE_DP
|
||||
- PHY_TYPE_PCIE
|
||||
- PHY_TYPE_SATA
|
||||
- PHY_TYPE_SGMII
|
||||
- PHY_TYPE_USB
|
||||
- description: The PHY instance
|
||||
minimum: 0
|
||||
maximum: 1 # for DP, SATA or USB
|
||||
maximum: 3 # for PCIE or SGMII
|
||||
- description: The reference clock number
|
||||
minimum: 0
|
||||
maximum: 3
|
||||
|
||||
compatible:
|
||||
enum:
|
||||
- xlnx,zynqmp-psgtr-v1.1
|
||||
- xlnx,zynqmp-psgtr
|
||||
|
||||
clocks:
|
||||
minItems: 1
|
||||
maxItems: 4
|
||||
description: |
|
||||
Clock for each PS_MGTREFCLK[0-3] reference clock input. Unconnected
|
||||
inputs shall not have an entry.
|
||||
|
||||
clock-names:
|
||||
minItems: 1
|
||||
maxItems: 4
|
||||
items:
|
||||
pattern: "^ref[0-3]$"
|
||||
|
||||
reg:
|
||||
items:
|
||||
- description: SERDES registers block
|
||||
- description: SIOU registers block
|
||||
|
||||
reg-names:
|
||||
items:
|
||||
- const: serdes
|
||||
- const: siou
|
||||
|
||||
xlnx,tx-termination-fix:
|
||||
description: |
|
||||
Include this for fixing functional issue with the TX termination
|
||||
resistance in GT, which can be out of spec for the XCZU9EG silicon
|
||||
version.
|
||||
type: boolean
|
||||
|
||||
required:
|
||||
- "#phy-cells"
|
||||
- compatible
|
||||
- reg
|
||||
- reg-names
|
||||
|
||||
if:
|
||||
properties:
|
||||
compatible:
|
||||
const: xlnx,zynqmp-psgtr-v1.1
|
||||
|
||||
then:
|
||||
properties:
|
||||
xlnx,tx-termination-fix: false
|
||||
|
||||
additionalProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
phy: phy@fd400000 {
|
||||
compatible = "xlnx,zynqmp-psgtr-v1.1";
|
||||
reg = <0xfd400000 0x40000>,
|
||||
<0xfd3d0000 0x1000>;
|
||||
reg-names = "serdes", "siou";
|
||||
clocks = <&refclks 3>, <&refclks 2>, <&refclks 0>;
|
||||
clock-names = "ref1", "ref2", "ref3";
|
||||
#phy-cells = <4>;
|
||||
};
|
||||
|
||||
...
|
|
@ -18862,6 +18862,15 @@ F: Documentation/devicetree/bindings/media/xilinx/
|
|||
F: drivers/media/platform/xilinx/
|
||||
F: include/uapi/linux/xilinx-v4l2-controls.h
|
||||
|
||||
XILINX ZYNQMP PSGTR PHY DRIVER
|
||||
M: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
|
||||
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
||||
L: linux-kernel@vger.kernel.org
|
||||
S: Supported
|
||||
T: git https://github.com/Xilinx/linux-xlnx.git
|
||||
F: Documentation/devicetree/bindings/phy/xlnx,zynqmp-psgtr.yaml
|
||||
F: drivers/phy/xilinx/phy-zynqmp.c
|
||||
|
||||
XILLYBUS DRIVER
|
||||
M: Eli Billauer <eli.billauer@gmail.com>
|
||||
L: linux-kernel@vger.kernel.org
|
||||
|
|
|
@ -70,5 +70,6 @@ source "drivers/phy/st/Kconfig"
|
|||
source "drivers/phy/tegra/Kconfig"
|
||||
source "drivers/phy/ti/Kconfig"
|
||||
source "drivers/phy/intel/Kconfig"
|
||||
source "drivers/phy/xilinx/Kconfig"
|
||||
|
||||
endmenu
|
||||
|
|
|
@ -8,24 +8,25 @@ obj-$(CONFIG_GENERIC_PHY_MIPI_DPHY) += phy-core-mipi-dphy.o
|
|||
obj-$(CONFIG_PHY_LPC18XX_USB_OTG) += phy-lpc18xx-usb-otg.o
|
||||
obj-$(CONFIG_PHY_XGENE) += phy-xgene.o
|
||||
obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o
|
||||
obj-$(CONFIG_ARCH_SUNXI) += allwinner/
|
||||
obj-$(CONFIG_ARCH_MESON) += amlogic/
|
||||
obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
|
||||
obj-$(CONFIG_ARCH_RENESAS) += renesas/
|
||||
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
|
||||
obj-$(CONFIG_ARCH_TEGRA) += tegra/
|
||||
obj-y += broadcom/ \
|
||||
obj-y += allwinner/ \
|
||||
amlogic/ \
|
||||
broadcom/ \
|
||||
cadence/ \
|
||||
freescale/ \
|
||||
hisilicon/ \
|
||||
intel/ \
|
||||
lantiq/ \
|
||||
marvell/ \
|
||||
mediatek/ \
|
||||
motorola/ \
|
||||
mscc/ \
|
||||
qualcomm/ \
|
||||
ralink/ \
|
||||
renesas/ \
|
||||
rockchip/ \
|
||||
samsung/ \
|
||||
socionext/ \
|
||||
st/ \
|
||||
ti/
|
||||
tegra/ \
|
||||
ti/ \
|
||||
xilinx/
|
||||
|
|
|
@ -22,7 +22,7 @@ config PHY_SUN4I_USB
|
|||
config PHY_SUN6I_MIPI_DPHY
|
||||
tristate "Allwinner A31 MIPI D-PHY Support"
|
||||
depends on ARCH_SUNXI || COMPILE_TEST
|
||||
depends on HAS_IOMEM
|
||||
depends on HAS_IOMEM && COMMON_CLK
|
||||
depends on RESET_CONTROLLER
|
||||
select GENERIC_PHY
|
||||
select GENERIC_PHY_MIPI_DPHY
|
||||
|
|
|
@ -7,7 +7,7 @@
|
|||
* Based on code from
|
||||
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
|
||||
*
|
||||
* Modelled after: Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
|
||||
* Modelled after: Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
|
||||
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
||||
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
||||
*/
|
||||
|
@ -16,6 +16,7 @@
|
|||
#include <linux/delay.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/extcon-provider.h>
|
||||
#include <linux/gpio/consumer.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/kernel.h>
|
||||
|
|
|
@ -233,7 +233,7 @@ static int sun6i_dphy_exit(struct phy *phy)
|
|||
}
|
||||
|
||||
|
||||
static struct phy_ops sun6i_dphy_ops = {
|
||||
static const struct phy_ops sun6i_dphy_ops = {
|
||||
.configure = sun6i_dphy_configure,
|
||||
.power_on = sun6i_dphy_power_on,
|
||||
.power_off = sun6i_dphy_power_off,
|
||||
|
@ -241,7 +241,7 @@ static struct phy_ops sun6i_dphy_ops = {
|
|||
.exit = sun6i_dphy_exit,
|
||||
};
|
||||
|
||||
static struct regmap_config sun6i_dphy_regmap_config = {
|
||||
static const struct regmap_config sun6i_dphy_regmap_config = {
|
||||
.reg_bits = 32,
|
||||
.val_bits = 32,
|
||||
.reg_stride = 4,
|
||||
|
|
|
@ -2,6 +2,14 @@
|
|||
#
|
||||
# Phy drivers for Broadcom platforms
|
||||
#
|
||||
config PHY_BCM63XX_USBH
|
||||
tristate "BCM63xx USBH PHY driver"
|
||||
depends on BMIPS_GENERIC || COMPILE_TEST
|
||||
select GENERIC_PHY
|
||||
help
|
||||
Enable this to support the BCM63xx USBH PHY driver.
|
||||
If unsure, say N.
|
||||
|
||||
config PHY_CYGNUS_PCIE
|
||||
tristate "Broadcom Cygnus PCIe PHY driver"
|
||||
depends on OF && (ARCH_BCM_CYGNUS || COMPILE_TEST)
|
||||
|
|
|
@ -1,4 +1,5 @@
|
|||
# SPDX-License-Identifier: GPL-2.0
|
||||
obj-$(CONFIG_PHY_BCM63XX_USBH) += phy-bcm63xx-usbh.o
|
||||
obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o
|
||||
obj-$(CONFIG_BCM_KONA_USB2_PHY) += phy-bcm-kona-usb2.o
|
||||
obj-$(CONFIG_PHY_BCM_NS_USB2) += phy-bcm-ns-usb2.o
|
||||
|
|
|
@ -0,0 +1,457 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
/*
|
||||
* BCM6328 USBH PHY Controller Driver
|
||||
*
|
||||
* Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
* Copyright (C) 2015 Simon Arlott
|
||||
*
|
||||
* Derived from bcm963xx_4.12L.06B_consumer/kernel/linux/arch/mips/bcm963xx/setup.c:
|
||||
* Copyright (C) 2002 Broadcom Corporation
|
||||
*
|
||||
* Derived from OpenWrt patches:
|
||||
* Copyright (C) 2013 Jonas Gorski <jonas.gorski@gmail.com>
|
||||
* Copyright (C) 2013 Florian Fainelli <f.fainelli@gmail.com>
|
||||
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
|
||||
*/
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/reset.h>
|
||||
|
||||
/* USBH control register offsets */
|
||||
enum usbh_regs {
|
||||
USBH_BRT_CONTROL1 = 0,
|
||||
USBH_BRT_CONTROL2,
|
||||
USBH_BRT_STATUS1,
|
||||
USBH_BRT_STATUS2,
|
||||
USBH_UTMI_CONTROL1,
|
||||
#define USBH_UC1_DEV_MODE_SEL BIT(0)
|
||||
USBH_TEST_PORT_CONTROL,
|
||||
USBH_PLL_CONTROL1,
|
||||
#define USBH_PLLC_REFCLKSEL_SHIFT 0
|
||||
#define USBH_PLLC_REFCLKSEL_MASK (0x3 << USBH_PLLC_REFCLKSEL_SHIFT)
|
||||
#define USBH_PLLC_CLKSEL_SHIFT 2
|
||||
#define USBH_PLLC_CLKSEL_MASK (0x3 << USBH_PLLC_CLKSEL_MASK)
|
||||
#define USBH_PLLC_XTAL_PWRDWNB BIT(4)
|
||||
#define USBH_PLLC_PLL_PWRDWNB BIT(5)
|
||||
#define USBH_PLLC_PLL_CALEN BIT(6)
|
||||
#define USBH_PLLC_PHYPLL_BYP BIT(7)
|
||||
#define USBH_PLLC_PLL_RESET BIT(8)
|
||||
#define USBH_PLLC_PLL_IDDQ_PWRDN BIT(9)
|
||||
#define USBH_PLLC_PLL_PWRDN_DELAY BIT(10)
|
||||
#define USBH_6318_PLLC_PLL_SUSPEND_EN BIT(27)
|
||||
#define USBH_6318_PLLC_PHYPLL_BYP BIT(29)
|
||||
#define USBH_6318_PLLC_PLL_RESET BIT(30)
|
||||
#define USBH_6318_PLLC_PLL_IDDQ_PWRDN BIT(31)
|
||||
USBH_SWAP_CONTROL,
|
||||
#define USBH_SC_OHCI_DATA_SWAP BIT(0)
|
||||
#define USBH_SC_OHCI_ENDIAN_SWAP BIT(1)
|
||||
#define USBH_SC_OHCI_LOGICAL_ADDR_EN BIT(2)
|
||||
#define USBH_SC_EHCI_DATA_SWAP BIT(3)
|
||||
#define USBH_SC_EHCI_ENDIAN_SWAP BIT(4)
|
||||
#define USBH_SC_EHCI_LOGICAL_ADDR_EN BIT(5)
|
||||
#define USBH_SC_USB_DEVICE_SEL BIT(6)
|
||||
USBH_GENERIC_CONTROL,
|
||||
#define USBH_GC_PLL_SUSPEND_EN BIT(1)
|
||||
USBH_FRAME_ADJUST_VALUE,
|
||||
USBH_SETUP,
|
||||
#define USBH_S_IOC BIT(4)
|
||||
#define USBH_S_IPP BIT(5)
|
||||
USBH_MDIO,
|
||||
USBH_MDIO32,
|
||||
USBH_USB_SIM_CONTROL,
|
||||
#define USBH_USC_LADDR_SEL BIT(5)
|
||||
|
||||
__USBH_ENUM_SIZE
|
||||
};
|
||||
|
||||
struct bcm63xx_usbh_phy_variant {
|
||||
/* Registers */
|
||||
long regs[__USBH_ENUM_SIZE];
|
||||
|
||||
/* PLLC bits to set/clear for power on */
|
||||
u32 power_pllc_clr;
|
||||
u32 power_pllc_set;
|
||||
|
||||
/* Setup bits to set/clear for power on */
|
||||
u32 setup_clr;
|
||||
u32 setup_set;
|
||||
|
||||
/* Swap Control bits to set */
|
||||
u32 swapctl_dev_set;
|
||||
|
||||
/* Test Port Control value to set if non-zero */
|
||||
u32 tpc_val;
|
||||
|
||||
/* USB Sim Control bits to set */
|
||||
u32 usc_set;
|
||||
|
||||
/* UTMI Control 1 bits to set */
|
||||
u32 utmictl1_dev_set;
|
||||
};
|
||||
|
||||
struct bcm63xx_usbh_phy {
|
||||
void __iomem *base;
|
||||
struct clk *usbh_clk;
|
||||
struct clk *usb_ref_clk;
|
||||
struct reset_control *reset;
|
||||
const struct bcm63xx_usbh_phy_variant *variant;
|
||||
bool device_mode;
|
||||
};
|
||||
|
||||
static const struct bcm63xx_usbh_phy_variant usbh_bcm6318 = {
|
||||
.regs = {
|
||||
[USBH_BRT_CONTROL1] = -1,
|
||||
[USBH_BRT_CONTROL2] = -1,
|
||||
[USBH_BRT_STATUS1] = -1,
|
||||
[USBH_BRT_STATUS2] = -1,
|
||||
[USBH_UTMI_CONTROL1] = 0x2c,
|
||||
[USBH_TEST_PORT_CONTROL] = 0x1c,
|
||||
[USBH_PLL_CONTROL1] = 0x04,
|
||||
[USBH_SWAP_CONTROL] = 0x0c,
|
||||
[USBH_GENERIC_CONTROL] = -1,
|
||||
[USBH_FRAME_ADJUST_VALUE] = 0x08,
|
||||
[USBH_SETUP] = 0x00,
|
||||
[USBH_MDIO] = 0x14,
|
||||
[USBH_MDIO32] = 0x18,
|
||||
[USBH_USB_SIM_CONTROL] = 0x20,
|
||||
},
|
||||
.power_pllc_clr = USBH_6318_PLLC_PLL_IDDQ_PWRDN,
|
||||
.power_pllc_set = USBH_6318_PLLC_PLL_SUSPEND_EN,
|
||||
.setup_set = USBH_S_IOC,
|
||||
.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
|
||||
.usc_set = USBH_USC_LADDR_SEL,
|
||||
.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
|
||||
};
|
||||
|
||||
static const struct bcm63xx_usbh_phy_variant usbh_bcm6328 = {
|
||||
.regs = {
|
||||
[USBH_BRT_CONTROL1] = 0x00,
|
||||
[USBH_BRT_CONTROL2] = 0x04,
|
||||
[USBH_BRT_STATUS1] = 0x08,
|
||||
[USBH_BRT_STATUS2] = 0x0c,
|
||||
[USBH_UTMI_CONTROL1] = 0x10,
|
||||
[USBH_TEST_PORT_CONTROL] = 0x14,
|
||||
[USBH_PLL_CONTROL1] = 0x18,
|
||||
[USBH_SWAP_CONTROL] = 0x1c,
|
||||
[USBH_GENERIC_CONTROL] = 0x20,
|
||||
[USBH_FRAME_ADJUST_VALUE] = 0x24,
|
||||
[USBH_SETUP] = 0x28,
|
||||
[USBH_MDIO] = 0x2c,
|
||||
[USBH_MDIO32] = 0x30,
|
||||
[USBH_USB_SIM_CONTROL] = 0x34,
|
||||
},
|
||||
.setup_set = USBH_S_IOC,
|
||||
.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
|
||||
.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
|
||||
};
|
||||
|
||||
static const struct bcm63xx_usbh_phy_variant usbh_bcm6358 = {
|
||||
.regs = {
|
||||
[USBH_BRT_CONTROL1] = -1,
|
||||
[USBH_BRT_CONTROL2] = -1,
|
||||
[USBH_BRT_STATUS1] = -1,
|
||||
[USBH_BRT_STATUS2] = -1,
|
||||
[USBH_UTMI_CONTROL1] = -1,
|
||||
[USBH_TEST_PORT_CONTROL] = 0x24,
|
||||
[USBH_PLL_CONTROL1] = -1,
|
||||
[USBH_SWAP_CONTROL] = 0x00,
|
||||
[USBH_GENERIC_CONTROL] = -1,
|
||||
[USBH_FRAME_ADJUST_VALUE] = -1,
|
||||
[USBH_SETUP] = -1,
|
||||
[USBH_MDIO] = -1,
|
||||
[USBH_MDIO32] = -1,
|
||||
[USBH_USB_SIM_CONTROL] = -1,
|
||||
},
|
||||
/*
|
||||
* The magic value comes for the original vendor BSP
|
||||
* and is needed for USB to work. Datasheet does not
|
||||
* help, so the magic value is used as-is.
|
||||
*/
|
||||
.tpc_val = 0x1c0020,
|
||||
};
|
||||
|
||||
static const struct bcm63xx_usbh_phy_variant usbh_bcm6368 = {
|
||||
.regs = {
|
||||
[USBH_BRT_CONTROL1] = 0x00,
|
||||
[USBH_BRT_CONTROL2] = 0x04,
|
||||
[USBH_BRT_STATUS1] = 0x08,
|
||||
[USBH_BRT_STATUS2] = 0x0c,
|
||||
[USBH_UTMI_CONTROL1] = 0x10,
|
||||
[USBH_TEST_PORT_CONTROL] = 0x14,
|
||||
[USBH_PLL_CONTROL1] = 0x18,
|
||||
[USBH_SWAP_CONTROL] = 0x1c,
|
||||
[USBH_GENERIC_CONTROL] = -1,
|
||||
[USBH_FRAME_ADJUST_VALUE] = 0x24,
|
||||
[USBH_SETUP] = 0x28,
|
||||
[USBH_MDIO] = 0x2c,
|
||||
[USBH_MDIO32] = 0x30,
|
||||
[USBH_USB_SIM_CONTROL] = 0x34,
|
||||
},
|
||||
.power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
|
||||
.setup_set = USBH_S_IOC,
|
||||
.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
|
||||
.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
|
||||
};
|
||||
|
||||
static const struct bcm63xx_usbh_phy_variant usbh_bcm63268 = {
|
||||
.regs = {
|
||||
[USBH_BRT_CONTROL1] = 0x00,
|
||||
[USBH_BRT_CONTROL2] = 0x04,
|
||||
[USBH_BRT_STATUS1] = 0x08,
|
||||
[USBH_BRT_STATUS2] = 0x0c,
|
||||
[USBH_UTMI_CONTROL1] = 0x10,
|
||||
[USBH_TEST_PORT_CONTROL] = 0x14,
|
||||
[USBH_PLL_CONTROL1] = 0x18,
|
||||
[USBH_SWAP_CONTROL] = 0x1c,
|
||||
[USBH_GENERIC_CONTROL] = 0x20,
|
||||
[USBH_FRAME_ADJUST_VALUE] = 0x24,
|
||||
[USBH_SETUP] = 0x28,
|
||||
[USBH_MDIO] = 0x2c,
|
||||
[USBH_MDIO32] = 0x30,
|
||||
[USBH_USB_SIM_CONTROL] = 0x34,
|
||||
},
|
||||
.power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
|
||||
.setup_clr = USBH_S_IPP,
|
||||
.setup_set = USBH_S_IOC,
|
||||
.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
|
||||
.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
|
||||
};
|
||||
|
||||
static inline bool usbh_has_reg(struct bcm63xx_usbh_phy *usbh, int reg)
|
||||
{
|
||||
return (usbh->variant->regs[reg] >= 0);
|
||||
}
|
||||
|
||||
static inline u32 usbh_readl(struct bcm63xx_usbh_phy *usbh, int reg)
|
||||
{
|
||||
return __raw_readl(usbh->base + usbh->variant->regs[reg]);
|
||||
}
|
||||
|
||||
static inline void usbh_writel(struct bcm63xx_usbh_phy *usbh, int reg,
|
||||
u32 value)
|
||||
{
|
||||
__raw_writel(value, usbh->base + usbh->variant->regs[reg]);
|
||||
}
|
||||
|
||||
static int bcm63xx_usbh_phy_init(struct phy *phy)
|
||||
{
|
||||
struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
|
||||
int ret;
|
||||
|
||||
ret = clk_prepare_enable(usbh->usbh_clk);
|
||||
if (ret) {
|
||||
dev_err(&phy->dev, "unable to enable usbh clock: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = clk_prepare_enable(usbh->usb_ref_clk);
|
||||
if (ret) {
|
||||
dev_err(&phy->dev, "unable to enable usb_ref clock: %d\n", ret);
|
||||
clk_disable_unprepare(usbh->usbh_clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = reset_control_reset(usbh->reset);
|
||||
if (ret) {
|
||||
dev_err(&phy->dev, "unable to reset device: %d\n", ret);
|
||||
clk_disable_unprepare(usbh->usb_ref_clk);
|
||||
clk_disable_unprepare(usbh->usbh_clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Configure to work in native CPU endian */
|
||||
if (usbh_has_reg(usbh, USBH_SWAP_CONTROL)) {
|
||||
u32 val = usbh_readl(usbh, USBH_SWAP_CONTROL);
|
||||
|
||||
val |= USBH_SC_EHCI_DATA_SWAP;
|
||||
val &= ~USBH_SC_EHCI_ENDIAN_SWAP;
|
||||
|
||||
val |= USBH_SC_OHCI_DATA_SWAP;
|
||||
val &= ~USBH_SC_OHCI_ENDIAN_SWAP;
|
||||
|
||||
if (usbh->device_mode && usbh->variant->swapctl_dev_set)
|
||||
val |= usbh->variant->swapctl_dev_set;
|
||||
|
||||
usbh_writel(usbh, USBH_SWAP_CONTROL, val);
|
||||
}
|
||||
|
||||
if (usbh_has_reg(usbh, USBH_SETUP)) {
|
||||
u32 val = usbh_readl(usbh, USBH_SETUP);
|
||||
|
||||
val |= usbh->variant->setup_set;
|
||||
val &= ~usbh->variant->setup_clr;
|
||||
|
||||
usbh_writel(usbh, USBH_SETUP, val);
|
||||
}
|
||||
|
||||
if (usbh_has_reg(usbh, USBH_USB_SIM_CONTROL)) {
|
||||
u32 val = usbh_readl(usbh, USBH_USB_SIM_CONTROL);
|
||||
|
||||
val |= usbh->variant->usc_set;
|
||||
|
||||
usbh_writel(usbh, USBH_USB_SIM_CONTROL, val);
|
||||
}
|
||||
|
||||
if (usbh->variant->tpc_val &&
|
||||
usbh_has_reg(usbh, USBH_TEST_PORT_CONTROL))
|
||||
usbh_writel(usbh, USBH_TEST_PORT_CONTROL,
|
||||
usbh->variant->tpc_val);
|
||||
|
||||
if (usbh->device_mode &&
|
||||
usbh_has_reg(usbh, USBH_UTMI_CONTROL1) &&
|
||||
usbh->variant->utmictl1_dev_set) {
|
||||
u32 val = usbh_readl(usbh, USBH_UTMI_CONTROL1);
|
||||
|
||||
val |= usbh->variant->utmictl1_dev_set;
|
||||
|
||||
usbh_writel(usbh, USBH_UTMI_CONTROL1, val);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm63xx_usbh_phy_power_on(struct phy *phy)
|
||||
{
|
||||
struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
|
||||
|
||||
if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
|
||||
u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
|
||||
|
||||
val |= usbh->variant->power_pllc_set;
|
||||
val &= ~usbh->variant->power_pllc_clr;
|
||||
|
||||
usbh_writel(usbh, USBH_PLL_CONTROL1, val);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm63xx_usbh_phy_power_off(struct phy *phy)
|
||||
{
|
||||
struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
|
||||
|
||||
if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
|
||||
u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
|
||||
|
||||
val &= ~usbh->variant->power_pllc_set;
|
||||
val |= usbh->variant->power_pllc_clr;
|
||||
|
||||
usbh_writel(usbh, USBH_PLL_CONTROL1, val);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm63xx_usbh_phy_exit(struct phy *phy)
|
||||
{
|
||||
struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
|
||||
|
||||
clk_disable_unprepare(usbh->usbh_clk);
|
||||
clk_disable_unprepare(usbh->usb_ref_clk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct phy_ops bcm63xx_usbh_phy_ops = {
|
||||
.exit = bcm63xx_usbh_phy_exit,
|
||||
.init = bcm63xx_usbh_phy_init,
|
||||
.power_off = bcm63xx_usbh_phy_power_off,
|
||||
.power_on = bcm63xx_usbh_phy_power_on,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static struct phy *bcm63xx_usbh_phy_xlate(struct device *dev,
|
||||
struct of_phandle_args *args)
|
||||
{
|
||||
struct bcm63xx_usbh_phy *usbh = dev_get_drvdata(dev);
|
||||
|
||||
usbh->device_mode = !!args->args[0];
|
||||
|
||||
return of_phy_simple_xlate(dev, args);
|
||||
}
|
||||
|
||||
static int __init bcm63xx_usbh_phy_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct bcm63xx_usbh_phy *usbh;
|
||||
const struct bcm63xx_usbh_phy_variant *variant;
|
||||
struct phy *phy;
|
||||
struct phy_provider *phy_provider;
|
||||
|
||||
usbh = devm_kzalloc(dev, sizeof(*usbh), GFP_KERNEL);
|
||||
if (!usbh)
|
||||
return -ENOMEM;
|
||||
|
||||
variant = device_get_match_data(dev);
|
||||
if (!variant)
|
||||
return -EINVAL;
|
||||
usbh->variant = variant;
|
||||
|
||||
usbh->base = devm_platform_ioremap_resource(pdev, 0);
|
||||
if (IS_ERR(usbh->base))
|
||||
return PTR_ERR(usbh->base);
|
||||
|
||||
usbh->reset = devm_reset_control_get_exclusive(dev, NULL);
|
||||
if (IS_ERR(usbh->reset)) {
|
||||
if (PTR_ERR(usbh->reset) != -EPROBE_DEFER)
|
||||
dev_err(dev, "failed to get reset\n");
|
||||
return PTR_ERR(usbh->reset);
|
||||
}
|
||||
|
||||
usbh->usbh_clk = devm_clk_get_optional(dev, "usbh");
|
||||
if (IS_ERR(usbh->usbh_clk))
|
||||
return PTR_ERR(usbh->usbh_clk);
|
||||
|
||||
usbh->usb_ref_clk = devm_clk_get_optional(dev, "usb_ref");
|
||||
if (IS_ERR(usbh->usb_ref_clk))
|
||||
return PTR_ERR(usbh->usb_ref_clk);
|
||||
|
||||
phy = devm_phy_create(dev, NULL, &bcm63xx_usbh_phy_ops);
|
||||
if (IS_ERR(phy)) {
|
||||
dev_err(dev, "failed to create PHY\n");
|
||||
return PTR_ERR(phy);
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, usbh);
|
||||
phy_set_drvdata(phy, usbh);
|
||||
|
||||
phy_provider = devm_of_phy_provider_register(dev,
|
||||
bcm63xx_usbh_phy_xlate);
|
||||
if (IS_ERR(phy_provider)) {
|
||||
dev_err(dev, "failed to register PHY provider\n");
|
||||
return PTR_ERR(phy_provider);
|
||||
}
|
||||
|
||||
dev_dbg(dev, "Registered BCM63xx USB PHY driver\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id bcm63xx_usbh_phy_ids[] __initconst = {
|
||||
{ .compatible = "brcm,bcm6318-usbh-phy", .data = &usbh_bcm6318 },
|
||||
{ .compatible = "brcm,bcm6328-usbh-phy", .data = &usbh_bcm6328 },
|
||||
{ .compatible = "brcm,bcm6358-usbh-phy", .data = &usbh_bcm6358 },
|
||||
{ .compatible = "brcm,bcm6362-usbh-phy", .data = &usbh_bcm6368 },
|
||||
{ .compatible = "brcm,bcm6368-usbh-phy", .data = &usbh_bcm6368 },
|
||||
{ .compatible = "brcm,bcm63268-usbh-phy", .data = &usbh_bcm63268 },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, bcm63xx_usbh_phy_ids);
|
||||
|
||||
static struct platform_driver bcm63xx_usbh_phy_driver __refdata = {
|
||||
.driver = {
|
||||
.name = "bcm63xx-usbh-phy",
|
||||
.of_match_table = bcm63xx_usbh_phy_ids,
|
||||
},
|
||||
.probe = bcm63xx_usbh_phy_probe,
|
||||
};
|
||||
module_platform_driver(bcm63xx_usbh_phy_driver);
|
||||
|
||||
MODULE_DESCRIPTION("BCM63xx USBH PHY driver");
|
||||
MODULE_AUTHOR("Álvaro Fernández Rojas <noltari@gmail.com>");
|
||||
MODULE_AUTHOR("Simon Arlott");
|
||||
MODULE_LICENSE("GPL");
|
|
@ -88,7 +88,7 @@
|
|||
#define TB_ADDR_TX_RCVDETSC_CTRL 0x4124
|
||||
|
||||
/* TB_ADDR_TX_RCVDETSC_CTRL */
|
||||
#define RXDET_IN_P3_32KHZ BIT(1)
|
||||
#define RXDET_IN_P3_32KHZ BIT(0)
|
||||
|
||||
struct cdns_reg_pairs {
|
||||
u16 val;
|
||||
|
|
|
@ -41,6 +41,7 @@ struct a38x_comphy_lane {
|
|||
|
||||
struct a38x_comphy {
|
||||
void __iomem *base;
|
||||
void __iomem *conf;
|
||||
struct device *dev;
|
||||
struct a38x_comphy_lane lane[MAX_A38X_COMPHY];
|
||||
};
|
||||
|
@ -54,6 +55,21 @@ static const u8 gbe_mux[MAX_A38X_COMPHY][MAX_A38X_PORTS] = {
|
|||
{ 0, 0, 3 },
|
||||
};
|
||||
|
||||
static void a38x_set_conf(struct a38x_comphy_lane *lane, bool enable)
|
||||
{
|
||||
struct a38x_comphy *priv = lane->priv;
|
||||
u32 conf;
|
||||
|
||||
if (priv->conf) {
|
||||
conf = readl_relaxed(priv->conf);
|
||||
if (enable)
|
||||
conf |= BIT(lane->port);
|
||||
else
|
||||
conf &= ~BIT(lane->port);
|
||||
writel(conf, priv->conf);
|
||||
}
|
||||
}
|
||||
|
||||
static void a38x_comphy_set_reg(struct a38x_comphy_lane *lane,
|
||||
unsigned int offset, u32 mask, u32 value)
|
||||
{
|
||||
|
@ -97,6 +113,7 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
|
|||
{
|
||||
struct a38x_comphy_lane *lane = phy_get_drvdata(phy);
|
||||
unsigned int gen;
|
||||
int ret;
|
||||
|
||||
if (mode != PHY_MODE_ETHERNET)
|
||||
return -EINVAL;
|
||||
|
@ -115,13 +132,20 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
a38x_set_conf(lane, false);
|
||||
|
||||
a38x_comphy_set_speed(lane, gen, gen);
|
||||
|
||||
return a38x_comphy_poll(lane, COMPHY_STAT1,
|
||||
COMPHY_STAT1_PLL_RDY_TX |
|
||||
COMPHY_STAT1_PLL_RDY_RX,
|
||||
COMPHY_STAT1_PLL_RDY_TX |
|
||||
COMPHY_STAT1_PLL_RDY_RX);
|
||||
ret = a38x_comphy_poll(lane, COMPHY_STAT1,
|
||||
COMPHY_STAT1_PLL_RDY_TX |
|
||||
COMPHY_STAT1_PLL_RDY_RX,
|
||||
COMPHY_STAT1_PLL_RDY_TX |
|
||||
COMPHY_STAT1_PLL_RDY_RX);
|
||||
|
||||
if (ret == 0)
|
||||
a38x_set_conf(lane, true);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct phy_ops a38x_comphy_ops = {
|
||||
|
@ -174,14 +198,21 @@ static int a38x_comphy_probe(struct platform_device *pdev)
|
|||
if (!priv)
|
||||
return -ENOMEM;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
base = devm_ioremap_resource(&pdev->dev, res);
|
||||
base = devm_platform_ioremap_resource(pdev, 0);
|
||||
if (IS_ERR(base))
|
||||
return PTR_ERR(base);
|
||||
|
||||
priv->dev = &pdev->dev;
|
||||
priv->base = base;
|
||||
|
||||
/* Optional */
|
||||
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "conf");
|
||||
if (res) {
|
||||
priv->conf = devm_ioremap_resource(&pdev->dev, res);
|
||||
if (IS_ERR(priv->conf))
|
||||
return PTR_ERR(priv->conf);
|
||||
}
|
||||
|
||||
for_each_available_child_of_node(pdev->dev.of_node, child) {
|
||||
struct phy *phy;
|
||||
int ret;
|
||||
|
|
|
@ -72,7 +72,7 @@ struct mvebu_a3700_utmi_caps {
|
|||
* struct mvebu_a3700_utmi - PHY driver data
|
||||
*
|
||||
* @regs: PHY registers
|
||||
* @usb_mis: Regmap with USB miscellaneous registers including PHY ones
|
||||
* @usb_misc: Regmap with USB miscellaneous registers including PHY ones
|
||||
* @caps: PHY capabilities
|
||||
* @phy: PHY handle
|
||||
*/
|
||||
|
|
|
@ -178,6 +178,7 @@ static const struct phy_ops gpio_usb_ops = {
|
|||
/**
|
||||
* phy_mdm6600_cmd() - send a command request to mdm6600
|
||||
* @ddata: device driver data
|
||||
* @val: value of cmd to be set
|
||||
*
|
||||
* Configures the three command request GPIOs to the specified value.
|
||||
*/
|
||||
|
@ -194,7 +195,7 @@ static void phy_mdm6600_cmd(struct phy_mdm6600 *ddata, int val)
|
|||
|
||||
/**
|
||||
* phy_mdm6600_status() - read mdm6600 status lines
|
||||
* @ddata: device driver data
|
||||
* @work: work structure
|
||||
*/
|
||||
static void phy_mdm6600_status(struct work_struct *work)
|
||||
{
|
||||
|
|
|
@ -1062,6 +1062,7 @@ EXPORT_SYMBOL_GPL(__of_phy_provider_register);
|
|||
* __devm_of_phy_provider_register() - create/register phy provider with the
|
||||
* framework
|
||||
* @dev: struct device of the phy provider
|
||||
* @children: device node containing children (if different from dev->of_node)
|
||||
* @owner: the module owner containing of_xlate
|
||||
* @of_xlate: function pointer to obtain phy instance from phy provider
|
||||
*
|
||||
|
@ -1117,12 +1118,14 @@ EXPORT_SYMBOL_GPL(of_phy_provider_unregister);
|
|||
/**
|
||||
* devm_of_phy_provider_unregister() - remove phy provider from the framework
|
||||
* @dev: struct device of the phy provider
|
||||
* @phy_provider: phy provider returned by of_phy_provider_register()
|
||||
*
|
||||
* destroys the devres associated with this phy provider and invokes
|
||||
* of_phy_provider_unregister to unregister the phy provider.
|
||||
*/
|
||||
void devm_of_phy_provider_unregister(struct device *dev,
|
||||
struct phy_provider *phy_provider) {
|
||||
struct phy_provider *phy_provider)
|
||||
{
|
||||
int r;
|
||||
|
||||
r = devres_destroy(dev, devm_phy_provider_release, devm_phy_match,
|
||||
|
|
|
@ -1615,7 +1615,7 @@ static struct phy *xgene_phy_xlate(struct device *dev,
|
|||
|
||||
if (args->args_count <= 0)
|
||||
return ERR_PTR(-EINVAL);
|
||||
if (args->args[0] < MODE_SATA || args->args[0] >= MODE_MAX)
|
||||
if (args->args[0] >= MODE_MAX)
|
||||
return ERR_PTR(-EINVAL);
|
||||
|
||||
ctx->mode = args->args[0];
|
||||
|
|
|
@ -59,30 +59,6 @@ config PHY_QCOM_QUSB2
|
|||
PHY which is usually paired with either the ChipIdea or Synopsys DWC3
|
||||
USB IPs on MSM SOCs.
|
||||
|
||||
config PHY_QCOM_UFS
|
||||
tristate "Qualcomm UFS PHY driver"
|
||||
depends on OF && ARCH_QCOM
|
||||
select GENERIC_PHY
|
||||
help
|
||||
Support for UFS PHY on QCOM chipsets.
|
||||
|
||||
if PHY_QCOM_UFS
|
||||
|
||||
config PHY_QCOM_UFS_14NM
|
||||
tristate
|
||||
default PHY_QCOM_UFS
|
||||
help
|
||||
Support for 14nm UFS QMP phy present on QCOM chipsets.
|
||||
|
||||
config PHY_QCOM_UFS_20NM
|
||||
tristate
|
||||
default PHY_QCOM_UFS
|
||||
depends on BROKEN
|
||||
help
|
||||
Support for 20nm UFS QMP phy present on QCOM chipsets.
|
||||
|
||||
endif
|
||||
|
||||
config PHY_QCOM_USB_HS
|
||||
tristate "Qualcomm USB HS PHY module"
|
||||
depends on USB_ULPI_BUS
|
||||
|
@ -128,3 +104,13 @@ config PHY_QCOM_USB_SS
|
|||
help
|
||||
Enable this to support the Super-Speed USB transceiver on various
|
||||
Qualcomm chipsets.
|
||||
|
||||
config PHY_QCOM_IPQ806X_USB
|
||||
tristate "Qualcomm IPQ806x DWC3 USB PHY driver"
|
||||
depends on HAS_IOMEM
|
||||
depends on OF && (ARCH_QCOM || COMPILE_TEST)
|
||||
select GENERIC_PHY
|
||||
help
|
||||
This option enables support for the Synopsis PHYs present inside the
|
||||
Qualcomm USB3.0 DWC3 controller on ipq806x SoC. This driver supports
|
||||
both HS and SS PHY controllers.
|
||||
|
|
|
@ -6,11 +6,9 @@ obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
|
|||
obj-$(CONFIG_PHY_QCOM_PCIE2) += phy-qcom-pcie2.o
|
||||
obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o
|
||||
obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o
|
||||
obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs.o
|
||||
obj-$(CONFIG_PHY_QCOM_UFS_14NM) += phy-qcom-ufs-qmp-14nm.o
|
||||
obj-$(CONFIG_PHY_QCOM_UFS_20NM) += phy-qcom-ufs-qmp-20nm.o
|
||||
obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o
|
||||
obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o
|
||||
obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o
|
||||
obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o
|
||||
obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2)+= phy-qcom-snps-femto-v2.o
|
||||
obj-$(CONFIG_PHY_QCOM_IPQ806X_USB) += phy-qcom-ipq806x-usb.o
|
||||
|
|
|
@ -0,0 +1,571 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <linux/mfd/syscon.h>
|
||||
|
||||
/* USB QSCRATCH Hardware registers */
|
||||
#define QSCRATCH_GENERAL_CFG (0x08)
|
||||
#define HSUSB_PHY_CTRL_REG (0x10)
|
||||
|
||||
/* PHY_CTRL_REG */
|
||||
#define HSUSB_CTRL_DMSEHV_CLAMP BIT(24)
|
||||
#define HSUSB_CTRL_USB2_SUSPEND BIT(23)
|
||||
#define HSUSB_CTRL_UTMI_CLK_EN BIT(21)
|
||||
#define HSUSB_CTRL_UTMI_OTG_VBUS_VALID BIT(20)
|
||||
#define HSUSB_CTRL_USE_CLKCORE BIT(18)
|
||||
#define HSUSB_CTRL_DPSEHV_CLAMP BIT(17)
|
||||
#define HSUSB_CTRL_COMMONONN BIT(11)
|
||||
#define HSUSB_CTRL_ID_HV_CLAMP BIT(9)
|
||||
#define HSUSB_CTRL_OTGSESSVLD_CLAMP BIT(8)
|
||||
#define HSUSB_CTRL_CLAMP_EN BIT(7)
|
||||
#define HSUSB_CTRL_RETENABLEN BIT(1)
|
||||
#define HSUSB_CTRL_POR BIT(0)
|
||||
|
||||
/* QSCRATCH_GENERAL_CFG */
|
||||
#define HSUSB_GCFG_XHCI_REV BIT(2)
|
||||
|
||||
/* USB QSCRATCH Hardware registers */
|
||||
#define SSUSB_PHY_CTRL_REG (0x00)
|
||||
#define SSUSB_PHY_PARAM_CTRL_1 (0x04)
|
||||
#define SSUSB_PHY_PARAM_CTRL_2 (0x08)
|
||||
#define CR_PROTOCOL_DATA_IN_REG (0x0c)
|
||||
#define CR_PROTOCOL_DATA_OUT_REG (0x10)
|
||||
#define CR_PROTOCOL_CAP_ADDR_REG (0x14)
|
||||
#define CR_PROTOCOL_CAP_DATA_REG (0x18)
|
||||
#define CR_PROTOCOL_READ_REG (0x1c)
|
||||
#define CR_PROTOCOL_WRITE_REG (0x20)
|
||||
|
||||
/* PHY_CTRL_REG */
|
||||
#define SSUSB_CTRL_REF_USE_PAD BIT(28)
|
||||
#define SSUSB_CTRL_TEST_POWERDOWN BIT(27)
|
||||
#define SSUSB_CTRL_LANE0_PWR_PRESENT BIT(24)
|
||||
#define SSUSB_CTRL_SS_PHY_EN BIT(8)
|
||||
#define SSUSB_CTRL_SS_PHY_RESET BIT(7)
|
||||
|
||||
/* SSPHY control registers - Does this need 0x30? */
|
||||
#define SSPHY_CTRL_RX_OVRD_IN_HI(lane) (0x1006 + 0x100 * (lane))
|
||||
#define SSPHY_CTRL_TX_OVRD_DRV_LO(lane) (0x1002 + 0x100 * (lane))
|
||||
|
||||
/* SSPHY SoC version specific values */
|
||||
#define SSPHY_RX_EQ_VALUE 4 /* Override value for rx_eq */
|
||||
/* Override value for transmit preemphasis */
|
||||
#define SSPHY_TX_DEEMPH_3_5DB 23
|
||||
/* Override value for mpll */
|
||||
#define SSPHY_MPLL_VALUE 0
|
||||
|
||||
/* QSCRATCH PHY_PARAM_CTRL1 fields */
|
||||
#define PHY_PARAM_CTRL1_TX_FULL_SWING_MASK GENMASK(26, 19)
|
||||
#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK GENMASK(19, 13)
|
||||
#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK GENMASK(13, 7)
|
||||
#define PHY_PARAM_CTRL1_LOS_BIAS_MASK GENMASK(7, 2)
|
||||
|
||||
#define PHY_PARAM_CTRL1_MASK \
|
||||
(PHY_PARAM_CTRL1_TX_FULL_SWING_MASK | \
|
||||
PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK | \
|
||||
PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK | \
|
||||
PHY_PARAM_CTRL1_LOS_BIAS_MASK)
|
||||
|
||||
#define PHY_PARAM_CTRL1_TX_FULL_SWING(x) \
|
||||
(((x) << 20) & PHY_PARAM_CTRL1_TX_FULL_SWING_MASK)
|
||||
#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB(x) \
|
||||
(((x) << 14) & PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK)
|
||||
#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(x) \
|
||||
(((x) << 8) & PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK)
|
||||
#define PHY_PARAM_CTRL1_LOS_BIAS(x) \
|
||||
(((x) << 3) & PHY_PARAM_CTRL1_LOS_BIAS_MASK)
|
||||
|
||||
/* RX OVRD IN HI bits */
|
||||
#define RX_OVRD_IN_HI_RX_RESET_OVRD BIT(13)
|
||||
#define RX_OVRD_IN_HI_RX_RX_RESET BIT(12)
|
||||
#define RX_OVRD_IN_HI_RX_EQ_OVRD BIT(11)
|
||||
#define RX_OVRD_IN_HI_RX_EQ_MASK GENMASK(10, 7)
|
||||
#define RX_OVRD_IN_HI_RX_EQ(x) ((x) << 8)
|
||||
#define RX_OVRD_IN_HI_RX_EQ_EN_OVRD BIT(7)
|
||||
#define RX_OVRD_IN_HI_RX_EQ_EN BIT(6)
|
||||
#define RX_OVRD_IN_HI_RX_LOS_FILTER_OVRD BIT(5)
|
||||
#define RX_OVRD_IN_HI_RX_LOS_FILTER_MASK GENMASK(4, 2)
|
||||
#define RX_OVRD_IN_HI_RX_RATE_OVRD BIT(2)
|
||||
#define RX_OVRD_IN_HI_RX_RATE_MASK GENMASK(2, 0)
|
||||
|
||||
/* TX OVRD DRV LO register bits */
|
||||
#define TX_OVRD_DRV_LO_AMPLITUDE_MASK GENMASK(6, 0)
|
||||
#define TX_OVRD_DRV_LO_PREEMPH_MASK GENMASK(13, 6)
|
||||
#define TX_OVRD_DRV_LO_PREEMPH(x) ((x) << 7)
|
||||
#define TX_OVRD_DRV_LO_EN BIT(14)
|
||||
|
||||
/* MPLL bits */
|
||||
#define SSPHY_MPLL_MASK GENMASK(8, 5)
|
||||
#define SSPHY_MPLL(x) ((x) << 5)
|
||||
|
||||
/* SS CAP register bits */
|
||||
#define SS_CR_CAP_ADDR_REG BIT(0)
|
||||
#define SS_CR_CAP_DATA_REG BIT(0)
|
||||
#define SS_CR_READ_REG BIT(0)
|
||||
#define SS_CR_WRITE_REG BIT(0)
|
||||
|
||||
struct usb_phy {
|
||||
void __iomem *base;
|
||||
struct device *dev;
|
||||
struct clk *xo_clk;
|
||||
struct clk *ref_clk;
|
||||
u32 rx_eq;
|
||||
u32 tx_deamp_3_5db;
|
||||
u32 mpll;
|
||||
};
|
||||
|
||||
struct phy_drvdata {
|
||||
struct phy_ops ops;
|
||||
u32 clk_rate;
|
||||
};
|
||||
|
||||
/**
|
||||
* Write register and read back masked value to confirm it is written
|
||||
*
|
||||
* @base - QCOM DWC3 PHY base virtual address.
|
||||
* @offset - register offset.
|
||||
* @mask - register bitmask specifying what should be updated
|
||||
* @val - value to write.
|
||||
*/
|
||||
static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3,
|
||||
u32 offset,
|
||||
const u32 mask, u32 val)
|
||||
{
|
||||
u32 write_val, tmp = readl(phy_dwc3->base + offset);
|
||||
|
||||
tmp &= ~mask; /* retain other bits */
|
||||
write_val = tmp | val;
|
||||
|
||||
writel(write_val, phy_dwc3->base + offset);
|
||||
|
||||
/* Read back to see if val was written */
|
||||
tmp = readl(phy_dwc3->base + offset);
|
||||
tmp &= mask; /* clear other bits */
|
||||
|
||||
if (tmp != val)
|
||||
dev_err(phy_dwc3->dev, "write: %x to QSCRATCH: %x FAILED\n", val, offset);
|
||||
}
|
||||
|
||||
static int wait_for_latch(void __iomem *addr)
|
||||
{
|
||||
u32 retry = 10;
|
||||
|
||||
while (true) {
|
||||
if (!readl(addr))
|
||||
break;
|
||||
|
||||
if (--retry == 0)
|
||||
return -ETIMEDOUT;
|
||||
|
||||
usleep_range(10, 20);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Write SSPHY register
|
||||
*
|
||||
* @base - QCOM DWC3 PHY base virtual address.
|
||||
* @addr - SSPHY address to write.
|
||||
* @val - value to write.
|
||||
*/
|
||||
static int usb_ss_write_phycreg(struct usb_phy *phy_dwc3,
|
||||
u32 addr, u32 val)
|
||||
{
|
||||
int ret;
|
||||
|
||||
writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
|
||||
writel(SS_CR_CAP_ADDR_REG,
|
||||
phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
|
||||
if (ret)
|
||||
goto err_wait;
|
||||
|
||||
writel(val, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
|
||||
writel(SS_CR_CAP_DATA_REG,
|
||||
phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
|
||||
if (ret)
|
||||
goto err_wait;
|
||||
|
||||
writel(SS_CR_WRITE_REG, phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
|
||||
|
||||
err_wait:
|
||||
if (ret)
|
||||
dev_err(phy_dwc3->dev, "timeout waiting for latch\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read SSPHY register.
|
||||
*
|
||||
* @base - QCOM DWC3 PHY base virtual address.
|
||||
* @addr - SSPHY address to read.
|
||||
*/
|
||||
static int usb_ss_read_phycreg(struct usb_phy *phy_dwc3,
|
||||
u32 addr, u32 *val)
|
||||
{
|
||||
int ret;
|
||||
|
||||
writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
|
||||
writel(SS_CR_CAP_ADDR_REG,
|
||||
phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
|
||||
if (ret)
|
||||
goto err_wait;
|
||||
|
||||
/*
|
||||
* Due to hardware bug, first read of SSPHY register might be
|
||||
* incorrect. Hence as workaround, SW should perform SSPHY register
|
||||
* read twice, but use only second read and ignore first read.
|
||||
*/
|
||||
writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
|
||||
if (ret)
|
||||
goto err_wait;
|
||||
|
||||
/* throwaway read */
|
||||
readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
|
||||
|
||||
writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
|
||||
|
||||
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
|
||||
if (ret)
|
||||
goto err_wait;
|
||||
|
||||
*val = readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
|
||||
|
||||
err_wait:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int qcom_ipq806x_usb_hs_phy_init(struct phy *phy)
|
||||
{
|
||||
struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
|
||||
int ret;
|
||||
u32 val;
|
||||
|
||||
ret = clk_prepare_enable(phy_dwc3->xo_clk);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = clk_prepare_enable(phy_dwc3->ref_clk);
|
||||
if (ret) {
|
||||
clk_disable_unprepare(phy_dwc3->xo_clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* HSPHY Initialization: Enable UTMI clock, select 19.2MHz fsel
|
||||
* enable clamping, and disable RETENTION (power-on default is ENABLED)
|
||||
*/
|
||||
val = HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_DMSEHV_CLAMP |
|
||||
HSUSB_CTRL_RETENABLEN | HSUSB_CTRL_COMMONONN |
|
||||
HSUSB_CTRL_OTGSESSVLD_CLAMP | HSUSB_CTRL_ID_HV_CLAMP |
|
||||
HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_UTMI_OTG_VBUS_VALID |
|
||||
HSUSB_CTRL_UTMI_CLK_EN | HSUSB_CTRL_CLAMP_EN | 0x70;
|
||||
|
||||
/* use core clock if external reference is not present */
|
||||
if (!phy_dwc3->xo_clk)
|
||||
val |= HSUSB_CTRL_USE_CLKCORE;
|
||||
|
||||
writel(val, phy_dwc3->base + HSUSB_PHY_CTRL_REG);
|
||||
usleep_range(2000, 2200);
|
||||
|
||||
/* Disable (bypass) VBUS and ID filters */
|
||||
writel(HSUSB_GCFG_XHCI_REV, phy_dwc3->base + QSCRATCH_GENERAL_CFG);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_ipq806x_usb_hs_phy_exit(struct phy *phy)
|
||||
{
|
||||
struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
|
||||
|
||||
clk_disable_unprepare(phy_dwc3->ref_clk);
|
||||
clk_disable_unprepare(phy_dwc3->xo_clk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_ipq806x_usb_ss_phy_init(struct phy *phy)
|
||||
{
|
||||
struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
|
||||
int ret;
|
||||
u32 data;
|
||||
|
||||
ret = clk_prepare_enable(phy_dwc3->xo_clk);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = clk_prepare_enable(phy_dwc3->ref_clk);
|
||||
if (ret) {
|
||||
clk_disable_unprepare(phy_dwc3->xo_clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* reset phy */
|
||||
data = readl(phy_dwc3->base + SSUSB_PHY_CTRL_REG);
|
||||
writel(data | SSUSB_CTRL_SS_PHY_RESET,
|
||||
phy_dwc3->base + SSUSB_PHY_CTRL_REG);
|
||||
usleep_range(2000, 2200);
|
||||
writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
|
||||
|
||||
/* clear REF_PAD if we don't have XO clk */
|
||||
if (!phy_dwc3->xo_clk)
|
||||
data &= ~SSUSB_CTRL_REF_USE_PAD;
|
||||
else
|
||||
data |= SSUSB_CTRL_REF_USE_PAD;
|
||||
|
||||
writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
|
||||
|
||||
/* wait for ref clk to become stable, this can take up to 30ms */
|
||||
msleep(30);
|
||||
|
||||
data |= SSUSB_CTRL_SS_PHY_EN | SSUSB_CTRL_LANE0_PWR_PRESENT;
|
||||
writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
|
||||
|
||||
/*
|
||||
* WORKAROUND: There is SSPHY suspend bug due to which USB enumerates
|
||||
* in HS mode instead of SS mode. Workaround it by asserting
|
||||
* LANE0.TX_ALT_BLOCK.EN_ALT_BUS to enable TX to use alt bus mode
|
||||
*/
|
||||
ret = usb_ss_read_phycreg(phy_dwc3, 0x102D, &data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
data |= (1 << 7);
|
||||
ret = usb_ss_write_phycreg(phy_dwc3, 0x102D, data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
ret = usb_ss_read_phycreg(phy_dwc3, 0x1010, &data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
data &= ~0xff0;
|
||||
data |= 0x20;
|
||||
ret = usb_ss_write_phycreg(phy_dwc3, 0x1010, data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
/*
|
||||
* Fix RX Equalization setting as follows
|
||||
* LANE0.RX_OVRD_IN_HI. RX_EQ_EN set to 0
|
||||
* LANE0.RX_OVRD_IN_HI.RX_EQ_EN_OVRD set to 1
|
||||
* LANE0.RX_OVRD_IN_HI.RX_EQ set based on SoC version
|
||||
* LANE0.RX_OVRD_IN_HI.RX_EQ_OVRD set to 1
|
||||
*/
|
||||
ret = usb_ss_read_phycreg(phy_dwc3, SSPHY_CTRL_RX_OVRD_IN_HI(0), &data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
data &= ~RX_OVRD_IN_HI_RX_EQ_EN;
|
||||
data |= RX_OVRD_IN_HI_RX_EQ_EN_OVRD;
|
||||
data &= ~RX_OVRD_IN_HI_RX_EQ_MASK;
|
||||
data |= RX_OVRD_IN_HI_RX_EQ(phy_dwc3->rx_eq);
|
||||
data |= RX_OVRD_IN_HI_RX_EQ_OVRD;
|
||||
ret = usb_ss_write_phycreg(phy_dwc3,
|
||||
SSPHY_CTRL_RX_OVRD_IN_HI(0), data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
/*
|
||||
* Set EQ and TX launch amplitudes as follows
|
||||
* LANE0.TX_OVRD_DRV_LO.PREEMPH set based on SoC version
|
||||
* LANE0.TX_OVRD_DRV_LO.AMPLITUDE set to 110
|
||||
* LANE0.TX_OVRD_DRV_LO.EN set to 1.
|
||||
*/
|
||||
ret = usb_ss_read_phycreg(phy_dwc3,
|
||||
SSPHY_CTRL_TX_OVRD_DRV_LO(0), &data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
data &= ~TX_OVRD_DRV_LO_PREEMPH_MASK;
|
||||
data |= TX_OVRD_DRV_LO_PREEMPH(phy_dwc3->tx_deamp_3_5db);
|
||||
data &= ~TX_OVRD_DRV_LO_AMPLITUDE_MASK;
|
||||
data |= 0x6E;
|
||||
data |= TX_OVRD_DRV_LO_EN;
|
||||
ret = usb_ss_write_phycreg(phy_dwc3,
|
||||
SSPHY_CTRL_TX_OVRD_DRV_LO(0), data);
|
||||
if (ret)
|
||||
goto err_phy_trans;
|
||||
|
||||
data = 0;
|
||||
data &= ~SSPHY_MPLL_MASK;
|
||||
data |= SSPHY_MPLL(phy_dwc3->mpll);
|
||||
usb_ss_write_phycreg(phy_dwc3, 0x30, data);
|
||||
|
||||
/*
|
||||
* Set the QSCRATCH PHY_PARAM_CTRL1 parameters as follows
|
||||
* TX_FULL_SWING [26:20] amplitude to 110
|
||||
* TX_DEEMPH_6DB [19:14] to 32
|
||||
* TX_DEEMPH_3_5DB [13:8] set based on SoC version
|
||||
* LOS_BIAS [7:3] to 9
|
||||
*/
|
||||
data = readl(phy_dwc3->base + SSUSB_PHY_PARAM_CTRL_1);
|
||||
|
||||
data &= ~PHY_PARAM_CTRL1_MASK;
|
||||
|
||||
data |= PHY_PARAM_CTRL1_TX_FULL_SWING(0x6e) |
|
||||
PHY_PARAM_CTRL1_TX_DEEMPH_6DB(0x20) |
|
||||
PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(phy_dwc3->tx_deamp_3_5db) |
|
||||
PHY_PARAM_CTRL1_LOS_BIAS(0x9);
|
||||
|
||||
usb_phy_write_readback(phy_dwc3, SSUSB_PHY_PARAM_CTRL_1,
|
||||
PHY_PARAM_CTRL1_MASK, data);
|
||||
|
||||
err_phy_trans:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int qcom_ipq806x_usb_ss_phy_exit(struct phy *phy)
|
||||
{
|
||||
struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
|
||||
|
||||
/* Sequence to put SSPHY in low power state:
|
||||
* 1. Clear REF_PHY_EN in PHY_CTRL_REG
|
||||
* 2. Clear REF_USE_PAD in PHY_CTRL_REG
|
||||
* 3. Set TEST_POWERED_DOWN in PHY_CTRL_REG to enable PHY retention
|
||||
*/
|
||||
usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
|
||||
SSUSB_CTRL_SS_PHY_EN, 0x0);
|
||||
usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
|
||||
SSUSB_CTRL_REF_USE_PAD, 0x0);
|
||||
usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
|
||||
SSUSB_CTRL_TEST_POWERDOWN, 0x0);
|
||||
|
||||
clk_disable_unprepare(phy_dwc3->ref_clk);
|
||||
clk_disable_unprepare(phy_dwc3->xo_clk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct phy_drvdata qcom_ipq806x_usb_hs_drvdata = {
|
||||
.ops = {
|
||||
.init = qcom_ipq806x_usb_hs_phy_init,
|
||||
.exit = qcom_ipq806x_usb_hs_phy_exit,
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.clk_rate = 60000000,
|
||||
};
|
||||
|
||||
static const struct phy_drvdata qcom_ipq806x_usb_ss_drvdata = {
|
||||
.ops = {
|
||||
.init = qcom_ipq806x_usb_ss_phy_init,
|
||||
.exit = qcom_ipq806x_usb_ss_phy_exit,
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.clk_rate = 125000000,
|
||||
};
|
||||
|
||||
static const struct of_device_id qcom_ipq806x_usb_phy_table[] = {
|
||||
{ .compatible = "qcom,ipq806x-usb-phy-hs",
|
||||
.data = &qcom_ipq806x_usb_hs_drvdata },
|
||||
{ .compatible = "qcom,ipq806x-usb-phy-ss",
|
||||
.data = &qcom_ipq806x_usb_ss_drvdata },
|
||||
{ /* Sentinel */ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, qcom_ipq806x_usb_phy_table);
|
||||
|
||||
static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct resource *res;
|
||||
resource_size_t size;
|
||||
struct phy *generic_phy;
|
||||
struct usb_phy *phy_dwc3;
|
||||
const struct phy_drvdata *data;
|
||||
struct phy_provider *phy_provider;
|
||||
|
||||
phy_dwc3 = devm_kzalloc(&pdev->dev, sizeof(*phy_dwc3), GFP_KERNEL);
|
||||
if (!phy_dwc3)
|
||||
return -ENOMEM;
|
||||
|
||||
data = of_device_get_match_data(&pdev->dev);
|
||||
|
||||
phy_dwc3->dev = &pdev->dev;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res)
|
||||
return -EINVAL;
|
||||
size = resource_size(res);
|
||||
phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size);
|
||||
|
||||
if (IS_ERR(phy_dwc3->base)) {
|
||||
dev_err(phy_dwc3->dev, "failed to map reg\n");
|
||||
return PTR_ERR(phy_dwc3->base);
|
||||
}
|
||||
|
||||
phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref");
|
||||
if (IS_ERR(phy_dwc3->ref_clk)) {
|
||||
dev_dbg(phy_dwc3->dev, "cannot get reference clock\n");
|
||||
return PTR_ERR(phy_dwc3->ref_clk);
|
||||
}
|
||||
|
||||
clk_set_rate(phy_dwc3->ref_clk, data->clk_rate);
|
||||
|
||||
phy_dwc3->xo_clk = devm_clk_get(phy_dwc3->dev, "xo");
|
||||
if (IS_ERR(phy_dwc3->xo_clk)) {
|
||||
dev_dbg(phy_dwc3->dev, "cannot get TCXO clock\n");
|
||||
phy_dwc3->xo_clk = NULL;
|
||||
}
|
||||
|
||||
/* Parse device node to probe HSIO settings */
|
||||
if (device_property_read_u32(&pdev->dev, "qcom,rx-eq",
|
||||
&phy_dwc3->rx_eq))
|
||||
phy_dwc3->rx_eq = SSPHY_RX_EQ_VALUE;
|
||||
|
||||
if (device_property_read_u32(&pdev->dev, "qcom,tx-deamp_3_5db",
|
||||
&phy_dwc3->tx_deamp_3_5db))
|
||||
phy_dwc3->tx_deamp_3_5db = SSPHY_TX_DEEMPH_3_5DB;
|
||||
|
||||
if (device_property_read_u32(&pdev->dev, "qcom,mpll", &phy_dwc3->mpll))
|
||||
phy_dwc3->mpll = SSPHY_MPLL_VALUE;
|
||||
|
||||
generic_phy = devm_phy_create(phy_dwc3->dev, pdev->dev.of_node, &data->ops);
|
||||
|
||||
if (IS_ERR(generic_phy))
|
||||
return PTR_ERR(generic_phy);
|
||||
|
||||
phy_set_drvdata(generic_phy, phy_dwc3);
|
||||
platform_set_drvdata(pdev, phy_dwc3);
|
||||
|
||||
phy_provider = devm_of_phy_provider_register(phy_dwc3->dev,
|
||||
of_phy_simple_xlate);
|
||||
|
||||
if (IS_ERR(phy_provider))
|
||||
return PTR_ERR(phy_provider);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver qcom_ipq806x_usb_phy_driver = {
|
||||
.probe = qcom_ipq806x_usb_phy_probe,
|
||||
.driver = {
|
||||
.name = "qcom-ipq806x-usb-phy",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = qcom_ipq806x_usb_phy_table,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(qcom_ipq806x_usb_phy_driver);
|
||||
|
||||
MODULE_ALIAS("platform:phy-qcom-ipq806x-usb");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_AUTHOR("Andy Gross <agross@codeaurora.org>");
|
||||
MODULE_AUTHOR("Ivan T. Ivanov <iivanov@mm-sol.com>");
|
||||
MODULE_DESCRIPTION("DesignWare USB3 QCOM PHY driver");
|
|
@ -82,20 +82,34 @@ struct qmp_phy_init_tbl {
|
|||
* register part of layout ?
|
||||
* if yes, then offset gives index in the reg-layout
|
||||
*/
|
||||
int in_layout;
|
||||
bool in_layout;
|
||||
/*
|
||||
* mask of lanes for which this register is written
|
||||
* for cases when second lane needs different values
|
||||
*/
|
||||
u8 lane_mask;
|
||||
};
|
||||
|
||||
#define QMP_PHY_INIT_CFG(o, v) \
|
||||
{ \
|
||||
.offset = o, \
|
||||
.val = v, \
|
||||
.lane_mask = 0xff, \
|
||||
}
|
||||
|
||||
#define QMP_PHY_INIT_CFG_L(o, v) \
|
||||
{ \
|
||||
.offset = o, \
|
||||
.val = v, \
|
||||
.in_layout = 1, \
|
||||
.in_layout = true, \
|
||||
.lane_mask = 0xff, \
|
||||
}
|
||||
|
||||
#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
|
||||
{ \
|
||||
.offset = o, \
|
||||
.val = v, \
|
||||
.lane_mask = l, \
|
||||
}
|
||||
|
||||
/* set of registers with offsets different per-PHY */
|
||||
|
@ -185,6 +199,17 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
|
|||
[QPHY_START_CTRL] = 0x44,
|
||||
[QPHY_PCS_STATUS] = 0x14,
|
||||
[QPHY_PCS_POWER_DOWN_CONTROL] = 0x40,
|
||||
[QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x308,
|
||||
[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x314,
|
||||
};
|
||||
|
||||
static const unsigned int qmp_v4_usb3_uniphy_regs_layout[QPHY_LAYOUT_SIZE] = {
|
||||
[QPHY_SW_RESET] = 0x00,
|
||||
[QPHY_START_CTRL] = 0x44,
|
||||
[QPHY_PCS_STATUS] = 0x14,
|
||||
[QPHY_PCS_POWER_DOWN_CONTROL] = 0x40,
|
||||
[QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x608,
|
||||
[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x614,
|
||||
};
|
||||
|
||||
static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
|
||||
|
@ -198,6 +223,81 @@ static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
|
|||
[QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl ipq8074_usb3_serdes_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x1a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
|
||||
/* PLL and Loop filter settings */
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
|
||||
/* SSC settings */
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl ipq8074_usb3_rx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xb8),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
|
||||
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x0),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl ipq8074_usb3_pcs_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0e),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x85),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x17),
|
||||
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0f),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
|
||||
|
@ -1399,6 +1499,250 @@ static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
|
|||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_serdes_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_tx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x95),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x05),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_rx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x37),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x2f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xef),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x20),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_pcs_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
|
||||
QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_tx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_2, 0x82),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_rx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0xff),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xbf),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
|
||||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
|
||||
};
|
||||
|
||||
/* struct qmp_phy_cfg - per-PHY initialization config */
|
||||
struct qmp_phy_cfg {
|
||||
/* phy-type - PCIE/UFS/USB */
|
||||
|
@ -1567,6 +1911,11 @@ static const char * const qmp_v4_phy_clk_l[] = {
|
|||
"aux", "ref_clk_src", "ref", "com_aux",
|
||||
};
|
||||
|
||||
/* the primary usb3 phy on sm8250 doesn't have a ref clock */
|
||||
static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
|
||||
"aux", "ref_clk_src", "com_aux"
|
||||
};
|
||||
|
||||
static const char * const sdm845_ufs_phy_clk_l[] = {
|
||||
"ref", "ref_aux",
|
||||
};
|
||||
|
@ -1593,6 +1942,30 @@ static const char * const qmp_phy_vreg_l[] = {
|
|||
"vdda-phy", "vdda-pll",
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
|
||||
.type = PHY_TYPE_USB3,
|
||||
.nlanes = 1,
|
||||
|
||||
.serdes_tbl = ipq8074_usb3_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(ipq8074_usb3_serdes_tbl),
|
||||
.tx_tbl = msm8996_usb3_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl),
|
||||
.rx_tbl = ipq8074_usb3_rx_tbl,
|
||||
.rx_tbl_num = ARRAY_SIZE(ipq8074_usb3_rx_tbl),
|
||||
.pcs_tbl = ipq8074_usb3_pcs_tbl,
|
||||
.pcs_tbl_num = ARRAY_SIZE(ipq8074_usb3_pcs_tbl),
|
||||
.clk_list = msm8996_phy_clk_l,
|
||||
.num_clks = ARRAY_SIZE(msm8996_phy_clk_l),
|
||||
.reset_list = msm8996_usb3phy_reset_l,
|
||||
.num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
||||
.vreg_list = qmp_phy_vreg_l,
|
||||
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
|
||||
.regs = usb3phy_regs_layout,
|
||||
|
||||
.start_ctrl = SERDES_START | PCS_START,
|
||||
.pwrdn_ctrl = SW_PWRDN,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
|
||||
.type = PHY_TYPE_PCIE,
|
||||
.nlanes = 3,
|
||||
|
@ -1986,10 +2359,98 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
|
|||
.is_dual_lane_phy = true,
|
||||
};
|
||||
|
||||
static void qcom_qmp_phy_configure(void __iomem *base,
|
||||
const unsigned int *regs,
|
||||
const struct qmp_phy_init_tbl tbl[],
|
||||
int num)
|
||||
static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
|
||||
.type = PHY_TYPE_USB3,
|
||||
.nlanes = 1,
|
||||
|
||||
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
|
||||
.tx_tbl = sm8150_usb3_uniphy_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_tx_tbl),
|
||||
.rx_tbl = sm8150_usb3_uniphy_rx_tbl,
|
||||
.rx_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_rx_tbl),
|
||||
.pcs_tbl = sm8150_usb3_uniphy_pcs_tbl,
|
||||
.pcs_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_pcs_tbl),
|
||||
.clk_list = qmp_v4_phy_clk_l,
|
||||
.num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
|
||||
.reset_list = msm8996_usb3phy_reset_l,
|
||||
.num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
||||
.vreg_list = qmp_phy_vreg_l,
|
||||
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
|
||||
.regs = qmp_v4_usb3_uniphy_regs_layout,
|
||||
|
||||
.start_ctrl = SERDES_START | PCS_START,
|
||||
.pwrdn_ctrl = SW_PWRDN,
|
||||
|
||||
.has_pwrdn_delay = true,
|
||||
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
|
||||
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
|
||||
.type = PHY_TYPE_USB3,
|
||||
.nlanes = 1,
|
||||
|
||||
.serdes_tbl = sm8150_usb3_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
|
||||
.tx_tbl = sm8250_usb3_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(sm8250_usb3_tx_tbl),
|
||||
.rx_tbl = sm8250_usb3_rx_tbl,
|
||||
.rx_tbl_num = ARRAY_SIZE(sm8250_usb3_rx_tbl),
|
||||
.pcs_tbl = sm8250_usb3_pcs_tbl,
|
||||
.pcs_tbl_num = ARRAY_SIZE(sm8250_usb3_pcs_tbl),
|
||||
.clk_list = qmp_v4_sm8250_usbphy_clk_l,
|
||||
.num_clks = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
|
||||
.reset_list = msm8996_usb3phy_reset_l,
|
||||
.num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
||||
.vreg_list = qmp_phy_vreg_l,
|
||||
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
|
||||
.regs = qmp_v4_usb3phy_regs_layout,
|
||||
|
||||
.start_ctrl = SERDES_START | PCS_START,
|
||||
.pwrdn_ctrl = SW_PWRDN,
|
||||
|
||||
.has_pwrdn_delay = true,
|
||||
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
|
||||
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
|
||||
|
||||
.has_phy_dp_com_ctrl = true,
|
||||
.is_dual_lane_phy = true,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
|
||||
.type = PHY_TYPE_USB3,
|
||||
.nlanes = 1,
|
||||
|
||||
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
|
||||
.tx_tbl = sm8250_usb3_uniphy_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_tx_tbl),
|
||||
.rx_tbl = sm8250_usb3_uniphy_rx_tbl,
|
||||
.rx_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_rx_tbl),
|
||||
.pcs_tbl = sm8250_usb3_uniphy_pcs_tbl,
|
||||
.pcs_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_pcs_tbl),
|
||||
.clk_list = qmp_v4_phy_clk_l,
|
||||
.num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
|
||||
.reset_list = msm8996_usb3phy_reset_l,
|
||||
.num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
||||
.vreg_list = qmp_phy_vreg_l,
|
||||
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
|
||||
.regs = qmp_v4_usb3_uniphy_regs_layout,
|
||||
|
||||
.start_ctrl = SERDES_START | PCS_START,
|
||||
.pwrdn_ctrl = SW_PWRDN,
|
||||
|
||||
.has_pwrdn_delay = true,
|
||||
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
|
||||
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
|
||||
};
|
||||
|
||||
static void qcom_qmp_phy_configure_lane(void __iomem *base,
|
||||
const unsigned int *regs,
|
||||
const struct qmp_phy_init_tbl tbl[],
|
||||
int num,
|
||||
u8 lane_mask)
|
||||
{
|
||||
int i;
|
||||
const struct qmp_phy_init_tbl *t = tbl;
|
||||
|
@ -1998,6 +2459,9 @@ static void qcom_qmp_phy_configure(void __iomem *base,
|
|||
return;
|
||||
|
||||
for (i = 0; i < num; i++, t++) {
|
||||
if (!(t->lane_mask & lane_mask))
|
||||
continue;
|
||||
|
||||
if (t->in_layout)
|
||||
writel(t->val, base + regs[t->offset]);
|
||||
else
|
||||
|
@ -2005,6 +2469,14 @@ static void qcom_qmp_phy_configure(void __iomem *base,
|
|||
}
|
||||
}
|
||||
|
||||
static void qcom_qmp_phy_configure(void __iomem *base,
|
||||
const unsigned int *regs,
|
||||
const struct qmp_phy_init_tbl tbl[],
|
||||
int num)
|
||||
{
|
||||
qcom_qmp_phy_configure_lane(base, regs, tbl, num, 0xff);
|
||||
}
|
||||
|
||||
static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
|
||||
{
|
||||
struct qcom_qmp *qmp = qphy->qmp;
|
||||
|
@ -2219,16 +2691,18 @@ static int qcom_qmp_phy_enable(struct phy *phy)
|
|||
}
|
||||
|
||||
/* Tx, Rx, and PCS configurations */
|
||||
qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num);
|
||||
qcom_qmp_phy_configure_lane(tx, cfg->regs,
|
||||
cfg->tx_tbl, cfg->tx_tbl_num, 1);
|
||||
/* Configuration for other LANE for USB-DP combo PHY */
|
||||
if (cfg->is_dual_lane_phy)
|
||||
qcom_qmp_phy_configure(qphy->tx2, cfg->regs,
|
||||
cfg->tx_tbl, cfg->tx_tbl_num);
|
||||
qcom_qmp_phy_configure_lane(qphy->tx2, cfg->regs,
|
||||
cfg->tx_tbl, cfg->tx_tbl_num, 2);
|
||||
|
||||
qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num);
|
||||
qcom_qmp_phy_configure_lane(rx, cfg->regs,
|
||||
cfg->rx_tbl, cfg->rx_tbl_num, 1);
|
||||
if (cfg->is_dual_lane_phy)
|
||||
qcom_qmp_phy_configure(qphy->rx2, cfg->regs,
|
||||
cfg->rx_tbl, cfg->rx_tbl_num);
|
||||
qcom_qmp_phy_configure_lane(qphy->rx2, cfg->regs,
|
||||
cfg->rx_tbl, cfg->rx_tbl_num, 2);
|
||||
|
||||
qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
|
||||
ret = reset_control_deassert(qmp->ufs_reset);
|
||||
|
@ -2699,6 +3173,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
|
|||
|
||||
static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
|
||||
{
|
||||
.compatible = "qcom,ipq8074-qmp-usb3-phy",
|
||||
.data = &ipq8074_usb3phy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,msm8996-qmp-pcie-phy",
|
||||
.data = &msm8996_pciephy_cfg,
|
||||
}, {
|
||||
|
@ -2746,6 +3223,15 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
|
|||
}, {
|
||||
.compatible = "qcom,sm8150-qmp-usb3-phy",
|
||||
.data = &sm8150_usb3phy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,sm8150-qmp-usb3-uni-phy",
|
||||
.data = &sm8150_usb3_uniphy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,sm8250-qmp-usb3-phy",
|
||||
.data = &sm8250_usb3phy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,sm8250-qmp-usb3-uni-phy",
|
||||
.data = &sm8250_usb3_uniphy_cfg,
|
||||
},
|
||||
{ },
|
||||
};
|
||||
|
|
|
@ -363,7 +363,10 @@
|
|||
/* Only for QMP V4 PHY - TX registers */
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_TX 0x34
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_RX 0x38
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 0x3c
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX 0x40
|
||||
#define QSERDES_V4_TX_LANE_MODE_1 0x84
|
||||
#define QSERDES_V4_TX_LANE_MODE_2 0x88
|
||||
#define QSERDES_V4_TX_RCV_DETECT_LVL_2 0x9c
|
||||
#define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1 0xd8
|
||||
#define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1 0xdC
|
||||
|
@ -709,6 +712,10 @@
|
|||
#define QPHY_V4_PCS_USB3_SIGDET_STARTUP_TIMER_VAL 0x354
|
||||
#define QPHY_V4_PCS_USB3_TEST_CONTROL 0x358
|
||||
|
||||
/* Only for QMP V4 PHY - UNI has 0x300 offset for PCS_USB3 regs */
|
||||
#define QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL 0x618
|
||||
#define QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2 0x638
|
||||
|
||||
/* Only for QMP V4 PHY - PCS_MISC registers */
|
||||
#define QPHY_V4_PCS_MISC_TYPEC_CTRL 0x00
|
||||
#define QPHY_V4_PCS_MISC_TYPEC_PWRDN_CTRL 0x04
|
||||
|
|
|
@ -810,6 +810,9 @@ static const struct phy_ops qusb2_phy_gen_ops = {
|
|||
|
||||
static const struct of_device_id qusb2_phy_of_match_table[] = {
|
||||
{
|
||||
.compatible = "qcom,ipq8074-qusb2-phy",
|
||||
.data = &msm8996_phy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,msm8996-qusb2-phy",
|
||||
.data = &msm8996_phy_cfg,
|
||||
}, {
|
||||
|
|
|
@ -77,6 +77,7 @@ static const char * const qcom_snps_hsphy_vreg_names[] = {
|
|||
* @phy_reset: phy reset control
|
||||
* @vregs: regulator supplies bulk data
|
||||
* @phy_initialized: if PHY has been initialized correctly
|
||||
* @mode: contains the current mode the PHY is in
|
||||
*/
|
||||
struct qcom_snps_hsphy {
|
||||
struct phy *phy;
|
||||
|
@ -88,6 +89,7 @@ struct qcom_snps_hsphy {
|
|||
struct regulator_bulk_data vregs[SNPS_HS_NUM_VREGS];
|
||||
|
||||
bool phy_initialized;
|
||||
enum phy_mode mode;
|
||||
};
|
||||
|
||||
static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
|
||||
|
@ -104,6 +106,72 @@ static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
|
|||
readl_relaxed(base + offset);
|
||||
}
|
||||
|
||||
static int qcom_snps_hsphy_suspend(struct qcom_snps_hsphy *hsphy)
|
||||
{
|
||||
dev_dbg(&hsphy->phy->dev, "Suspend QCOM SNPS PHY\n");
|
||||
|
||||
if (hsphy->mode == PHY_MODE_USB_HOST) {
|
||||
/* Enable auto-resume to meet remote wakeup timing */
|
||||
qcom_snps_hsphy_write_mask(hsphy->base,
|
||||
USB2_PHY_USB_PHY_HS_PHY_CTRL2,
|
||||
USB2_AUTO_RESUME,
|
||||
USB2_AUTO_RESUME);
|
||||
usleep_range(500, 1000);
|
||||
qcom_snps_hsphy_write_mask(hsphy->base,
|
||||
USB2_PHY_USB_PHY_HS_PHY_CTRL2,
|
||||
0, USB2_AUTO_RESUME);
|
||||
}
|
||||
|
||||
clk_disable_unprepare(hsphy->cfg_ahb_clk);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_snps_hsphy_resume(struct qcom_snps_hsphy *hsphy)
|
||||
{
|
||||
int ret;
|
||||
|
||||
dev_dbg(&hsphy->phy->dev, "Resume QCOM SNPS PHY, mode\n");
|
||||
|
||||
ret = clk_prepare_enable(hsphy->cfg_ahb_clk);
|
||||
if (ret) {
|
||||
dev_err(&hsphy->phy->dev, "failed to enable cfg ahb clock\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused qcom_snps_hsphy_runtime_suspend(struct device *dev)
|
||||
{
|
||||
struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
|
||||
|
||||
if (!hsphy->phy_initialized)
|
||||
return 0;
|
||||
|
||||
qcom_snps_hsphy_suspend(hsphy);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused qcom_snps_hsphy_runtime_resume(struct device *dev)
|
||||
{
|
||||
struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
|
||||
|
||||
if (!hsphy->phy_initialized)
|
||||
return 0;
|
||||
|
||||
qcom_snps_hsphy_resume(hsphy);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_snps_hsphy_set_mode(struct phy *phy, enum phy_mode mode,
|
||||
int submode)
|
||||
{
|
||||
struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
|
||||
|
||||
hsphy->mode = mode;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_snps_hsphy_init(struct phy *phy)
|
||||
{
|
||||
struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
|
||||
|
@ -201,6 +269,7 @@ static int qcom_snps_hsphy_exit(struct phy *phy)
|
|||
static const struct phy_ops qcom_snps_hsphy_gen_ops = {
|
||||
.init = qcom_snps_hsphy_init,
|
||||
.exit = qcom_snps_hsphy_exit,
|
||||
.set_mode = qcom_snps_hsphy_set_mode,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
|
@ -212,6 +281,11 @@ static const struct of_device_id qcom_snps_hsphy_of_match_table[] = {
|
|||
};
|
||||
MODULE_DEVICE_TABLE(of, qcom_snps_hsphy_of_match_table);
|
||||
|
||||
static const struct dev_pm_ops qcom_snps_hsphy_pm_ops = {
|
||||
SET_RUNTIME_PM_OPS(qcom_snps_hsphy_runtime_suspend,
|
||||
qcom_snps_hsphy_runtime_resume, NULL)
|
||||
};
|
||||
|
||||
static int qcom_snps_hsphy_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
|
@ -255,6 +329,14 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
|
|||
return ret;
|
||||
}
|
||||
|
||||
pm_runtime_set_active(dev);
|
||||
pm_runtime_enable(dev);
|
||||
/*
|
||||
* Prevent runtime pm from being ON by default. Users can enable
|
||||
* it using power/control in sysfs.
|
||||
*/
|
||||
pm_runtime_forbid(dev);
|
||||
|
||||
generic_phy = devm_phy_create(dev, NULL, &qcom_snps_hsphy_gen_ops);
|
||||
if (IS_ERR(generic_phy)) {
|
||||
ret = PTR_ERR(generic_phy);
|
||||
|
@ -269,6 +351,8 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
|
|||
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
|
||||
if (!IS_ERR(phy_provider))
|
||||
dev_dbg(dev, "Registered Qcom-SNPS HS phy\n");
|
||||
else
|
||||
pm_runtime_disable(dev);
|
||||
|
||||
return PTR_ERR_OR_ZERO(phy_provider);
|
||||
}
|
||||
|
@ -277,6 +361,7 @@ static struct platform_driver qcom_snps_hsphy_driver = {
|
|||
.probe = qcom_snps_hsphy_probe,
|
||||
.driver = {
|
||||
.name = "qcom-snps-hs-femto-v2-phy",
|
||||
.pm = &qcom_snps_hsphy_pm_ops,
|
||||
.of_match_table = qcom_snps_hsphy_of_match_table,
|
||||
},
|
||||
};
|
||||
|
|
|
@ -1,131 +0,0 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#ifndef UFS_QCOM_PHY_I_H_
|
||||
#define UFS_QCOM_PHY_I_H_
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/regulator/consumer.h>
|
||||
#include <linux/reset.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/iopoll.h>
|
||||
|
||||
#define UFS_QCOM_PHY_CAL_ENTRY(reg, val) \
|
||||
{ \
|
||||
.reg_offset = reg, \
|
||||
.cfg_value = val, \
|
||||
}
|
||||
|
||||
#define UFS_QCOM_PHY_NAME_LEN 30
|
||||
|
||||
enum {
|
||||
MASK_SERDES_START = 0x1,
|
||||
MASK_PCS_READY = 0x1,
|
||||
};
|
||||
|
||||
enum {
|
||||
OFFSET_SERDES_START = 0x0,
|
||||
};
|
||||
|
||||
struct ufs_qcom_phy_stored_attributes {
|
||||
u32 att;
|
||||
u32 value;
|
||||
};
|
||||
|
||||
|
||||
struct ufs_qcom_phy_calibration {
|
||||
u32 reg_offset;
|
||||
u32 cfg_value;
|
||||
};
|
||||
|
||||
struct ufs_qcom_phy_vreg {
|
||||
const char *name;
|
||||
struct regulator *reg;
|
||||
int max_uA;
|
||||
int min_uV;
|
||||
int max_uV;
|
||||
bool enabled;
|
||||
};
|
||||
|
||||
struct ufs_qcom_phy {
|
||||
struct list_head list;
|
||||
struct device *dev;
|
||||
void __iomem *mmio;
|
||||
void __iomem *dev_ref_clk_ctrl_mmio;
|
||||
struct clk *tx_iface_clk;
|
||||
struct clk *rx_iface_clk;
|
||||
bool is_iface_clk_enabled;
|
||||
struct clk *ref_clk_src;
|
||||
struct clk *ref_clk_parent;
|
||||
struct clk *ref_clk;
|
||||
bool is_ref_clk_enabled;
|
||||
bool is_dev_ref_clk_enabled;
|
||||
struct ufs_qcom_phy_vreg vdda_pll;
|
||||
struct ufs_qcom_phy_vreg vdda_phy;
|
||||
struct ufs_qcom_phy_vreg vddp_ref_clk;
|
||||
unsigned int quirks;
|
||||
|
||||
/*
|
||||
* If UFS link is put into Hibern8 and if UFS PHY analog hardware is
|
||||
* power collapsed (by clearing UFS_PHY_POWER_DOWN_CONTROL), Hibern8
|
||||
* exit might fail even after powering on UFS PHY analog hardware.
|
||||
* Enabling this quirk will help to solve above issue by doing
|
||||
* custom PHY settings just before PHY analog power collapse.
|
||||
*/
|
||||
#define UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE BIT(0)
|
||||
|
||||
u8 host_ctrl_rev_major;
|
||||
u16 host_ctrl_rev_minor;
|
||||
u16 host_ctrl_rev_step;
|
||||
|
||||
char name[UFS_QCOM_PHY_NAME_LEN];
|
||||
struct ufs_qcom_phy_calibration *cached_regs;
|
||||
int cached_regs_table_size;
|
||||
struct ufs_qcom_phy_specific_ops *phy_spec_ops;
|
||||
|
||||
enum phy_mode mode;
|
||||
struct reset_control *ufs_reset;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ufs_qcom_phy_specific_ops - set of pointers to functions which have a
|
||||
* specific implementation per phy. Each UFS phy, should implement
|
||||
* those functions according to its spec and requirements
|
||||
* @start_serdes: pointer to a function that starts the serdes
|
||||
* @is_physical_coding_sublayer_ready: pointer to a function that
|
||||
* checks pcs readiness. returns 0 for success and non-zero for error.
|
||||
* @set_tx_lane_enable: pointer to a function that enable tx lanes
|
||||
* @power_control: pointer to a function that controls analog rail of phy
|
||||
* and writes to QSERDES_RX_SIGDET_CNTRL attribute
|
||||
*/
|
||||
struct ufs_qcom_phy_specific_ops {
|
||||
int (*calibrate)(struct ufs_qcom_phy *ufs_qcom_phy, bool is_rate_B);
|
||||
void (*start_serdes)(struct ufs_qcom_phy *phy);
|
||||
int (*is_physical_coding_sublayer_ready)(struct ufs_qcom_phy *phy);
|
||||
void (*set_tx_lane_enable)(struct ufs_qcom_phy *phy, u32 val);
|
||||
void (*power_control)(struct ufs_qcom_phy *phy, bool val);
|
||||
};
|
||||
|
||||
struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy);
|
||||
int ufs_qcom_phy_power_on(struct phy *generic_phy);
|
||||
int ufs_qcom_phy_power_off(struct phy *generic_phy);
|
||||
int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common);
|
||||
int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common);
|
||||
int ufs_qcom_phy_remove(struct phy *generic_phy,
|
||||
struct ufs_qcom_phy *ufs_qcom_phy);
|
||||
struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
|
||||
struct ufs_qcom_phy *common_cfg,
|
||||
const struct phy_ops *ufs_qcom_phy_gen_ops,
|
||||
struct ufs_qcom_phy_specific_ops *phy_spec_ops);
|
||||
int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
|
||||
struct ufs_qcom_phy_calibration *tbl_A, int tbl_size_A,
|
||||
struct ufs_qcom_phy_calibration *tbl_B, int tbl_size_B,
|
||||
bool is_rate_B);
|
||||
#endif
|
|
@ -1,172 +0,0 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#include "phy-qcom-ufs-qmp-14nm.h"
|
||||
|
||||
#define UFS_PHY_NAME "ufs_phy_qmp_14nm"
|
||||
#define UFS_PHY_VDDA_PHY_UV (925000)
|
||||
|
||||
static
|
||||
int ufs_qcom_phy_qmp_14nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
|
||||
bool is_rate_B)
|
||||
{
|
||||
int tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A);
|
||||
int tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
|
||||
int err;
|
||||
|
||||
err = ufs_qcom_phy_calibrate(ufs_qcom_phy, phy_cal_table_rate_A,
|
||||
tbl_size_A, phy_cal_table_rate_B, tbl_size_B, is_rate_B);
|
||||
|
||||
if (err)
|
||||
dev_err(ufs_qcom_phy->dev,
|
||||
"%s: ufs_qcom_phy_calibrate() failed %d\n",
|
||||
__func__, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
static
|
||||
void ufs_qcom_phy_qmp_14nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
phy_common->quirks =
|
||||
UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
|
||||
}
|
||||
|
||||
static
|
||||
int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy,
|
||||
enum phy_mode mode, int submode)
|
||||
{
|
||||
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
|
||||
|
||||
phy_common->mode = PHY_MODE_INVALID;
|
||||
|
||||
if (mode > 0)
|
||||
phy_common->mode = mode;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static
|
||||
void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val)
|
||||
{
|
||||
writel_relaxed(val ? 0x1 : 0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
|
||||
/*
|
||||
* Before any transactions involving PHY, ensure PHY knows
|
||||
* that it's analog rail is powered ON (or OFF).
|
||||
*/
|
||||
mb();
|
||||
}
|
||||
|
||||
static inline
|
||||
void ufs_qcom_phy_qmp_14nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
|
||||
{
|
||||
/*
|
||||
* 14nm PHY does not have TX_LANE_ENABLE register.
|
||||
* Implement this function so as not to propagate error to caller.
|
||||
*/
|
||||
}
|
||||
|
||||
static inline void ufs_qcom_phy_qmp_14nm_start_serdes(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
u32 tmp;
|
||||
|
||||
tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
|
||||
tmp &= ~MASK_SERDES_START;
|
||||
tmp |= (1 << OFFSET_SERDES_START);
|
||||
writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
|
||||
/* Ensure register value is committed */
|
||||
mb();
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
int err = 0;
|
||||
u32 val;
|
||||
|
||||
err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
|
||||
val, (val & MASK_PCS_READY), 10, 1000000);
|
||||
if (err)
|
||||
dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
|
||||
__func__, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
|
||||
.power_on = ufs_qcom_phy_power_on,
|
||||
.power_off = ufs_qcom_phy_power_off,
|
||||
.set_mode = ufs_qcom_phy_qmp_14nm_set_mode,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_specific_ops phy_14nm_ops = {
|
||||
.calibrate = ufs_qcom_phy_qmp_14nm_phy_calibrate,
|
||||
.start_serdes = ufs_qcom_phy_qmp_14nm_start_serdes,
|
||||
.is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_14nm_is_pcs_ready,
|
||||
.set_tx_lane_enable = ufs_qcom_phy_qmp_14nm_set_tx_lane_enable,
|
||||
.power_control = ufs_qcom_phy_qmp_14nm_power_control,
|
||||
};
|
||||
|
||||
static int ufs_qcom_phy_qmp_14nm_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct phy *generic_phy;
|
||||
struct ufs_qcom_phy_qmp_14nm *phy;
|
||||
struct ufs_qcom_phy *phy_common;
|
||||
int err = 0;
|
||||
|
||||
phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
|
||||
if (!phy) {
|
||||
err = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
phy_common = &phy->common_cfg;
|
||||
|
||||
generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
|
||||
&ufs_qcom_phy_qmp_14nm_phy_ops, &phy_14nm_ops);
|
||||
|
||||
if (!generic_phy) {
|
||||
err = -EIO;
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = ufs_qcom_phy_init_clks(phy_common);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
err = ufs_qcom_phy_init_vregulators(phy_common);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
phy_common->vdda_phy.max_uV = UFS_PHY_VDDA_PHY_UV;
|
||||
phy_common->vdda_phy.min_uV = UFS_PHY_VDDA_PHY_UV;
|
||||
|
||||
ufs_qcom_phy_qmp_14nm_advertise_quirks(phy_common);
|
||||
|
||||
phy_set_drvdata(generic_phy, phy);
|
||||
|
||||
strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct of_device_id ufs_qcom_phy_qmp_14nm_of_match[] = {
|
||||
{.compatible = "qcom,ufs-phy-qmp-14nm"},
|
||||
{.compatible = "qcom,msm8996-ufs-phy-qmp-14nm"},
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_14nm_of_match);
|
||||
|
||||
static struct platform_driver ufs_qcom_phy_qmp_14nm_driver = {
|
||||
.probe = ufs_qcom_phy_qmp_14nm_probe,
|
||||
.driver = {
|
||||
.of_match_table = ufs_qcom_phy_qmp_14nm_of_match,
|
||||
.name = "ufs_qcom_phy_qmp_14nm",
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(ufs_qcom_phy_qmp_14nm_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 14nm");
|
||||
MODULE_LICENSE("GPL v2");
|
|
@ -1,168 +0,0 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#ifndef UFS_QCOM_PHY_QMP_14NM_H_
|
||||
#define UFS_QCOM_PHY_QMP_14NM_H_
|
||||
|
||||
#include "phy-qcom-ufs-i.h"
|
||||
|
||||
/* QCOM UFS PHY control registers */
|
||||
#define COM_OFF(x) (0x000 + x)
|
||||
#define PHY_OFF(x) (0xC00 + x)
|
||||
#define TX_OFF(n, x) (0x400 + (0x400 * n) + x)
|
||||
#define RX_OFF(n, x) (0x600 + (0x400 * n) + x)
|
||||
|
||||
/* UFS PHY QSERDES COM registers */
|
||||
#define QSERDES_COM_BG_TIMER COM_OFF(0x0C)
|
||||
#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN COM_OFF(0x34)
|
||||
#define QSERDES_COM_SYS_CLK_CTRL COM_OFF(0x3C)
|
||||
#define QSERDES_COM_LOCK_CMP1_MODE0 COM_OFF(0x4C)
|
||||
#define QSERDES_COM_LOCK_CMP2_MODE0 COM_OFF(0x50)
|
||||
#define QSERDES_COM_LOCK_CMP3_MODE0 COM_OFF(0x54)
|
||||
#define QSERDES_COM_LOCK_CMP1_MODE1 COM_OFF(0x58)
|
||||
#define QSERDES_COM_LOCK_CMP2_MODE1 COM_OFF(0x5C)
|
||||
#define QSERDES_COM_LOCK_CMP3_MODE1 COM_OFF(0x60)
|
||||
#define QSERDES_COM_CP_CTRL_MODE0 COM_OFF(0x78)
|
||||
#define QSERDES_COM_CP_CTRL_MODE1 COM_OFF(0x7C)
|
||||
#define QSERDES_COM_PLL_RCTRL_MODE0 COM_OFF(0x84)
|
||||
#define QSERDES_COM_PLL_RCTRL_MODE1 COM_OFF(0x88)
|
||||
#define QSERDES_COM_PLL_CCTRL_MODE0 COM_OFF(0x90)
|
||||
#define QSERDES_COM_PLL_CCTRL_MODE1 COM_OFF(0x94)
|
||||
#define QSERDES_COM_SYSCLK_EN_SEL COM_OFF(0xAC)
|
||||
#define QSERDES_COM_RESETSM_CNTRL COM_OFF(0xB4)
|
||||
#define QSERDES_COM_LOCK_CMP_EN COM_OFF(0xC8)
|
||||
#define QSERDES_COM_LOCK_CMP_CFG COM_OFF(0xCC)
|
||||
#define QSERDES_COM_DEC_START_MODE0 COM_OFF(0xD0)
|
||||
#define QSERDES_COM_DEC_START_MODE1 COM_OFF(0xD4)
|
||||
#define QSERDES_COM_DIV_FRAC_START1_MODE0 COM_OFF(0xDC)
|
||||
#define QSERDES_COM_DIV_FRAC_START2_MODE0 COM_OFF(0xE0)
|
||||
#define QSERDES_COM_DIV_FRAC_START3_MODE0 COM_OFF(0xE4)
|
||||
#define QSERDES_COM_DIV_FRAC_START1_MODE1 COM_OFF(0xE8)
|
||||
#define QSERDES_COM_DIV_FRAC_START2_MODE1 COM_OFF(0xEC)
|
||||
#define QSERDES_COM_DIV_FRAC_START3_MODE1 COM_OFF(0xF0)
|
||||
#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0 COM_OFF(0x108)
|
||||
#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0 COM_OFF(0x10C)
|
||||
#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1 COM_OFF(0x110)
|
||||
#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1 COM_OFF(0x114)
|
||||
#define QSERDES_COM_VCO_TUNE_CTRL COM_OFF(0x124)
|
||||
#define QSERDES_COM_VCO_TUNE_MAP COM_OFF(0x128)
|
||||
#define QSERDES_COM_VCO_TUNE1_MODE0 COM_OFF(0x12C)
|
||||
#define QSERDES_COM_VCO_TUNE2_MODE0 COM_OFF(0x130)
|
||||
#define QSERDES_COM_VCO_TUNE1_MODE1 COM_OFF(0x134)
|
||||
#define QSERDES_COM_VCO_TUNE2_MODE1 COM_OFF(0x138)
|
||||
#define QSERDES_COM_VCO_TUNE_TIMER1 COM_OFF(0x144)
|
||||
#define QSERDES_COM_VCO_TUNE_TIMER2 COM_OFF(0x148)
|
||||
#define QSERDES_COM_CLK_SELECT COM_OFF(0x174)
|
||||
#define QSERDES_COM_HSCLK_SEL COM_OFF(0x178)
|
||||
#define QSERDES_COM_CORECLK_DIV COM_OFF(0x184)
|
||||
#define QSERDES_COM_CORE_CLK_EN COM_OFF(0x18C)
|
||||
#define QSERDES_COM_CMN_CONFIG COM_OFF(0x194)
|
||||
#define QSERDES_COM_SVS_MODE_CLK_SEL COM_OFF(0x19C)
|
||||
#define QSERDES_COM_CORECLK_DIV_MODE1 COM_OFF(0x1BC)
|
||||
|
||||
/* UFS PHY registers */
|
||||
#define UFS_PHY_PHY_START PHY_OFF(0x00)
|
||||
#define UFS_PHY_POWER_DOWN_CONTROL PHY_OFF(0x04)
|
||||
#define UFS_PHY_PCS_READY_STATUS PHY_OFF(0x168)
|
||||
|
||||
/* UFS PHY TX registers */
|
||||
#define QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN TX_OFF(0, 0x68)
|
||||
#define QSERDES_TX_LANE_MODE TX_OFF(0, 0x94)
|
||||
|
||||
/* UFS PHY RX registers */
|
||||
#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN RX_OFF(0, 0x40)
|
||||
#define QSERDES_RX_RX_TERM_BW RX_OFF(0, 0x90)
|
||||
#define QSERDES_RX_RX_EQ_GAIN1_LSB RX_OFF(0, 0xC4)
|
||||
#define QSERDES_RX_RX_EQ_GAIN1_MSB RX_OFF(0, 0xC8)
|
||||
#define QSERDES_RX_RX_EQ_GAIN2_LSB RX_OFF(0, 0xCC)
|
||||
#define QSERDES_RX_RX_EQ_GAIN2_MSB RX_OFF(0, 0xD0)
|
||||
#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 RX_OFF(0, 0xD8)
|
||||
#define QSERDES_RX_SIGDET_CNTRL RX_OFF(0, 0x114)
|
||||
#define QSERDES_RX_SIGDET_LVL RX_OFF(0, 0x118)
|
||||
#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL RX_OFF(0, 0x11C)
|
||||
#define QSERDES_RX_RX_INTERFACE_MODE RX_OFF(0, 0x12C)
|
||||
|
||||
/*
|
||||
* This structure represents the 14nm specific phy.
|
||||
* common_cfg MUST remain the first field in this structure
|
||||
* in case extra fields are added. This way, when calling
|
||||
* get_ufs_qcom_phy() of generic phy, we can extract the
|
||||
* common phy structure (struct ufs_qcom_phy) out of it
|
||||
* regardless of the relevant specific phy.
|
||||
*/
|
||||
struct ufs_qcom_phy_qmp_14nm {
|
||||
struct ufs_qcom_phy common_cfg;
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_calibration phy_cal_table_rate_A[] = {
|
||||
UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CMN_CONFIG, 0x0e),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL, 0xd7),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CLK_SELECT, 0x30),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYS_CLK_CTRL, 0x06),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BG_TIMER, 0x0a),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_HSCLK_SEL, 0x05),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV, 0x0a),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_EN, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_CTRL, 0x10),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x20),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORE_CLK_EN, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_CFG, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x14),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE0, 0x82),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE0, 0x28),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE0, 0x02),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE0, 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE1, 0x98),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE1, 0x0b),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE1, 0x16),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE1, 0x28),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE1, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE1, 0x32),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
|
||||
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN, 0x45),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE, 0x02),
|
||||
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_LVL, 0x24),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_CNTRL, 0x02),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_INTERFACE_MODE, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x18),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_TERM_BW, 0x5B),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xFF),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3F),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xFF),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x0F),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E),
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x54),
|
||||
};
|
||||
|
||||
#endif
|
|
@ -1,226 +0,0 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#include "phy-qcom-ufs-qmp-20nm.h"
|
||||
|
||||
#define UFS_PHY_NAME "ufs_phy_qmp_20nm"
|
||||
|
||||
static
|
||||
int ufs_qcom_phy_qmp_20nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
|
||||
bool is_rate_B)
|
||||
{
|
||||
struct ufs_qcom_phy_calibration *tbl_A, *tbl_B;
|
||||
int tbl_size_A, tbl_size_B;
|
||||
u8 major = ufs_qcom_phy->host_ctrl_rev_major;
|
||||
u16 minor = ufs_qcom_phy->host_ctrl_rev_minor;
|
||||
u16 step = ufs_qcom_phy->host_ctrl_rev_step;
|
||||
int err;
|
||||
|
||||
if ((major == 0x1) && (minor == 0x002) && (step == 0x0000)) {
|
||||
tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_2_0);
|
||||
tbl_A = phy_cal_table_rate_A_1_2_0;
|
||||
} else if ((major == 0x1) && (minor == 0x003) && (step == 0x0000)) {
|
||||
tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_3_0);
|
||||
tbl_A = phy_cal_table_rate_A_1_3_0;
|
||||
} else {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: Unknown UFS-PHY version, no calibration values\n",
|
||||
__func__);
|
||||
err = -ENODEV;
|
||||
goto out;
|
||||
}
|
||||
|
||||
tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
|
||||
tbl_B = phy_cal_table_rate_B;
|
||||
|
||||
err = ufs_qcom_phy_calibrate(ufs_qcom_phy, tbl_A, tbl_size_A,
|
||||
tbl_B, tbl_size_B, is_rate_B);
|
||||
|
||||
if (err)
|
||||
dev_err(ufs_qcom_phy->dev, "%s: ufs_qcom_phy_calibrate() failed %d\n",
|
||||
__func__, err);
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static
|
||||
void ufs_qcom_phy_qmp_20nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
phy_common->quirks =
|
||||
UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
|
||||
}
|
||||
|
||||
static
|
||||
int ufs_qcom_phy_qmp_20nm_set_mode(struct phy *generic_phy,
|
||||
enum phy_mode mode, int submode)
|
||||
{
|
||||
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
|
||||
|
||||
phy_common->mode = PHY_MODE_INVALID;
|
||||
|
||||
if (mode > 0)
|
||||
phy_common->mode = mode;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static
|
||||
void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val)
|
||||
{
|
||||
bool hibern8_exit_after_pwr_collapse = phy->quirks &
|
||||
UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
|
||||
|
||||
if (val) {
|
||||
writel_relaxed(0x1, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
|
||||
/*
|
||||
* Before any transactions involving PHY, ensure PHY knows
|
||||
* that it's analog rail is powered ON.
|
||||
*/
|
||||
mb();
|
||||
|
||||
if (hibern8_exit_after_pwr_collapse) {
|
||||
/*
|
||||
* Give atleast 1us delay after restoring PHY analog
|
||||
* power.
|
||||
*/
|
||||
usleep_range(1, 2);
|
||||
writel_relaxed(0x0A, phy->mmio +
|
||||
QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
|
||||
writel_relaxed(0x08, phy->mmio +
|
||||
QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
|
||||
/*
|
||||
* Make sure workaround is deactivated before proceeding
|
||||
* with normal PHY operations.
|
||||
*/
|
||||
mb();
|
||||
}
|
||||
} else {
|
||||
if (hibern8_exit_after_pwr_collapse) {
|
||||
writel_relaxed(0x0A, phy->mmio +
|
||||
QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
|
||||
writel_relaxed(0x02, phy->mmio +
|
||||
QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
|
||||
/*
|
||||
* Make sure that above workaround is activated before
|
||||
* PHY analog power collapse.
|
||||
*/
|
||||
mb();
|
||||
}
|
||||
|
||||
writel_relaxed(0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
|
||||
/*
|
||||
* ensure that PHY knows its PHY analog rail is going
|
||||
* to be powered down
|
||||
*/
|
||||
mb();
|
||||
}
|
||||
}
|
||||
|
||||
static
|
||||
void ufs_qcom_phy_qmp_20nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
|
||||
{
|
||||
writel_relaxed(val & UFS_PHY_TX_LANE_ENABLE_MASK,
|
||||
phy->mmio + UFS_PHY_TX_LANE_ENABLE);
|
||||
mb();
|
||||
}
|
||||
|
||||
static inline void ufs_qcom_phy_qmp_20nm_start_serdes(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
u32 tmp;
|
||||
|
||||
tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
|
||||
tmp &= ~MASK_SERDES_START;
|
||||
tmp |= (1 << OFFSET_SERDES_START);
|
||||
writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
|
||||
mb();
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
int err = 0;
|
||||
u32 val;
|
||||
|
||||
err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
|
||||
val, (val & MASK_PCS_READY), 10, 1000000);
|
||||
if (err)
|
||||
dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
|
||||
__func__, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
|
||||
.power_on = ufs_qcom_phy_power_on,
|
||||
.power_off = ufs_qcom_phy_power_off,
|
||||
.set_mode = ufs_qcom_phy_qmp_20nm_set_mode,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_specific_ops phy_20nm_ops = {
|
||||
.calibrate = ufs_qcom_phy_qmp_20nm_phy_calibrate,
|
||||
.start_serdes = ufs_qcom_phy_qmp_20nm_start_serdes,
|
||||
.is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_20nm_is_pcs_ready,
|
||||
.set_tx_lane_enable = ufs_qcom_phy_qmp_20nm_set_tx_lane_enable,
|
||||
.power_control = ufs_qcom_phy_qmp_20nm_power_control,
|
||||
};
|
||||
|
||||
static int ufs_qcom_phy_qmp_20nm_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct phy *generic_phy;
|
||||
struct ufs_qcom_phy_qmp_20nm *phy;
|
||||
struct ufs_qcom_phy *phy_common;
|
||||
int err = 0;
|
||||
|
||||
phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
|
||||
if (!phy) {
|
||||
err = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
phy_common = &phy->common_cfg;
|
||||
|
||||
generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
|
||||
&ufs_qcom_phy_qmp_20nm_phy_ops, &phy_20nm_ops);
|
||||
|
||||
if (!generic_phy) {
|
||||
err = -EIO;
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = ufs_qcom_phy_init_clks(phy_common);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
err = ufs_qcom_phy_init_vregulators(phy_common);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
ufs_qcom_phy_qmp_20nm_advertise_quirks(phy_common);
|
||||
|
||||
phy_set_drvdata(generic_phy, phy);
|
||||
|
||||
strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct of_device_id ufs_qcom_phy_qmp_20nm_of_match[] = {
|
||||
{.compatible = "qcom,ufs-phy-qmp-20nm"},
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_20nm_of_match);
|
||||
|
||||
static struct platform_driver ufs_qcom_phy_qmp_20nm_driver = {
|
||||
.probe = ufs_qcom_phy_qmp_20nm_probe,
|
||||
.driver = {
|
||||
.of_match_table = ufs_qcom_phy_qmp_20nm_of_match,
|
||||
.name = "ufs_qcom_phy_qmp_20nm",
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(ufs_qcom_phy_qmp_20nm_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 20nm");
|
||||
MODULE_LICENSE("GPL v2");
|
|
@ -1,226 +0,0 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#ifndef UFS_QCOM_PHY_QMP_20NM_H_
|
||||
#define UFS_QCOM_PHY_QMP_20NM_H_
|
||||
|
||||
#include "phy-qcom-ufs-i.h"
|
||||
|
||||
/* QCOM UFS PHY control registers */
|
||||
|
||||
#define COM_OFF(x) (0x000 + x)
|
||||
#define PHY_OFF(x) (0xC00 + x)
|
||||
#define TX_OFF(n, x) (0x400 + (0x400 * n) + x)
|
||||
#define RX_OFF(n, x) (0x600 + (0x400 * n) + x)
|
||||
|
||||
/* UFS PHY PLL block registers */
|
||||
#define QSERDES_COM_SYS_CLK_CTRL COM_OFF(0x0)
|
||||
#define QSERDES_COM_PLL_VCOTAIL_EN COM_OFF(0x04)
|
||||
#define QSERDES_COM_PLL_CNTRL COM_OFF(0x14)
|
||||
#define QSERDES_COM_PLL_IP_SETI COM_OFF(0x24)
|
||||
#define QSERDES_COM_CORE_CLK_IN_SYNC_SEL COM_OFF(0x28)
|
||||
#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN COM_OFF(0x30)
|
||||
#define QSERDES_COM_PLL_CP_SETI COM_OFF(0x34)
|
||||
#define QSERDES_COM_PLL_IP_SETP COM_OFF(0x38)
|
||||
#define QSERDES_COM_PLL_CP_SETP COM_OFF(0x3C)
|
||||
#define QSERDES_COM_SYSCLK_EN_SEL_TXBAND COM_OFF(0x48)
|
||||
#define QSERDES_COM_RESETSM_CNTRL COM_OFF(0x4C)
|
||||
#define QSERDES_COM_RESETSM_CNTRL2 COM_OFF(0x50)
|
||||
#define QSERDES_COM_PLLLOCK_CMP1 COM_OFF(0x90)
|
||||
#define QSERDES_COM_PLLLOCK_CMP2 COM_OFF(0x94)
|
||||
#define QSERDES_COM_PLLLOCK_CMP3 COM_OFF(0x98)
|
||||
#define QSERDES_COM_PLLLOCK_CMP_EN COM_OFF(0x9C)
|
||||
#define QSERDES_COM_BGTC COM_OFF(0xA0)
|
||||
#define QSERDES_COM_DEC_START1 COM_OFF(0xAC)
|
||||
#define QSERDES_COM_PLL_AMP_OS COM_OFF(0xB0)
|
||||
#define QSERDES_COM_RES_CODE_UP_OFFSET COM_OFF(0xD8)
|
||||
#define QSERDES_COM_RES_CODE_DN_OFFSET COM_OFF(0xDC)
|
||||
#define QSERDES_COM_DIV_FRAC_START1 COM_OFF(0x100)
|
||||
#define QSERDES_COM_DIV_FRAC_START2 COM_OFF(0x104)
|
||||
#define QSERDES_COM_DIV_FRAC_START3 COM_OFF(0x108)
|
||||
#define QSERDES_COM_DEC_START2 COM_OFF(0x10C)
|
||||
#define QSERDES_COM_PLL_RXTXEPCLK_EN COM_OFF(0x110)
|
||||
#define QSERDES_COM_PLL_CRCTRL COM_OFF(0x114)
|
||||
#define QSERDES_COM_PLL_CLKEPDIV COM_OFF(0x118)
|
||||
|
||||
/* TX LANE n (0, 1) registers */
|
||||
#define QSERDES_TX_EMP_POST1_LVL(n) TX_OFF(n, 0x08)
|
||||
#define QSERDES_TX_DRV_LVL(n) TX_OFF(n, 0x0C)
|
||||
#define QSERDES_TX_LANE_MODE(n) TX_OFF(n, 0x54)
|
||||
|
||||
/* RX LANE n (0, 1) registers */
|
||||
#define QSERDES_RX_CDR_CONTROL1(n) RX_OFF(n, 0x0)
|
||||
#define QSERDES_RX_CDR_CONTROL_HALF(n) RX_OFF(n, 0x8)
|
||||
#define QSERDES_RX_RX_EQ_GAIN1_LSB(n) RX_OFF(n, 0xA8)
|
||||
#define QSERDES_RX_RX_EQ_GAIN1_MSB(n) RX_OFF(n, 0xAC)
|
||||
#define QSERDES_RX_RX_EQ_GAIN2_LSB(n) RX_OFF(n, 0xB0)
|
||||
#define QSERDES_RX_RX_EQ_GAIN2_MSB(n) RX_OFF(n, 0xB4)
|
||||
#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(n) RX_OFF(n, 0xBC)
|
||||
#define QSERDES_RX_CDR_CONTROL_QUARTER(n) RX_OFF(n, 0xC)
|
||||
#define QSERDES_RX_SIGDET_CNTRL(n) RX_OFF(n, 0x100)
|
||||
|
||||
/* UFS PHY registers */
|
||||
#define UFS_PHY_PHY_START PHY_OFF(0x00)
|
||||
#define UFS_PHY_POWER_DOWN_CONTROL PHY_OFF(0x4)
|
||||
#define UFS_PHY_TX_LANE_ENABLE PHY_OFF(0x44)
|
||||
#define UFS_PHY_PWM_G1_CLK_DIVIDER PHY_OFF(0x08)
|
||||
#define UFS_PHY_PWM_G2_CLK_DIVIDER PHY_OFF(0x0C)
|
||||
#define UFS_PHY_PWM_G3_CLK_DIVIDER PHY_OFF(0x10)
|
||||
#define UFS_PHY_PWM_G4_CLK_DIVIDER PHY_OFF(0x14)
|
||||
#define UFS_PHY_CORECLK_PWM_G1_CLK_DIVIDER PHY_OFF(0x34)
|
||||
#define UFS_PHY_CORECLK_PWM_G2_CLK_DIVIDER PHY_OFF(0x38)
|
||||
#define UFS_PHY_CORECLK_PWM_G3_CLK_DIVIDER PHY_OFF(0x3C)
|
||||
#define UFS_PHY_CORECLK_PWM_G4_CLK_DIVIDER PHY_OFF(0x40)
|
||||
#define UFS_PHY_OMC_STATUS_RDVAL PHY_OFF(0x68)
|
||||
#define UFS_PHY_LINE_RESET_TIME PHY_OFF(0x28)
|
||||
#define UFS_PHY_LINE_RESET_GRANULARITY PHY_OFF(0x2C)
|
||||
#define UFS_PHY_TSYNC_RSYNC_CNTL PHY_OFF(0x48)
|
||||
#define UFS_PHY_PLL_CNTL PHY_OFF(0x50)
|
||||
#define UFS_PHY_TX_LARGE_AMP_DRV_LVL PHY_OFF(0x54)
|
||||
#define UFS_PHY_TX_SMALL_AMP_DRV_LVL PHY_OFF(0x5C)
|
||||
#define UFS_PHY_TX_LARGE_AMP_POST_EMP_LVL PHY_OFF(0x58)
|
||||
#define UFS_PHY_TX_SMALL_AMP_POST_EMP_LVL PHY_OFF(0x60)
|
||||
#define UFS_PHY_CFG_CHANGE_CNT_VAL PHY_OFF(0x64)
|
||||
#define UFS_PHY_RX_SYNC_WAIT_TIME PHY_OFF(0x6C)
|
||||
#define UFS_PHY_TX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xB4)
|
||||
#define UFS_PHY_RX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xE0)
|
||||
#define UFS_PHY_TX_MIN_STALL_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xB8)
|
||||
#define UFS_PHY_RX_MIN_STALL_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xE4)
|
||||
#define UFS_PHY_TX_MIN_SAVE_CONFIG_TIME_CAPABILITY PHY_OFF(0xBC)
|
||||
#define UFS_PHY_RX_MIN_SAVE_CONFIG_TIME_CAPABILITY PHY_OFF(0xE8)
|
||||
#define UFS_PHY_RX_PWM_BURST_CLOSURE_LENGTH_CAPABILITY PHY_OFF(0xFC)
|
||||
#define UFS_PHY_RX_MIN_ACTIVATETIME_CAPABILITY PHY_OFF(0x100)
|
||||
#define UFS_PHY_RX_SIGDET_CTRL3 PHY_OFF(0x14c)
|
||||
#define UFS_PHY_RMMI_ATTR_CTRL PHY_OFF(0x160)
|
||||
#define UFS_PHY_RMMI_RX_CFGUPDT_L1 (1 << 7)
|
||||
#define UFS_PHY_RMMI_TX_CFGUPDT_L1 (1 << 6)
|
||||
#define UFS_PHY_RMMI_CFGWR_L1 (1 << 5)
|
||||
#define UFS_PHY_RMMI_CFGRD_L1 (1 << 4)
|
||||
#define UFS_PHY_RMMI_RX_CFGUPDT_L0 (1 << 3)
|
||||
#define UFS_PHY_RMMI_TX_CFGUPDT_L0 (1 << 2)
|
||||
#define UFS_PHY_RMMI_CFGWR_L0 (1 << 1)
|
||||
#define UFS_PHY_RMMI_CFGRD_L0 (1 << 0)
|
||||
#define UFS_PHY_RMMI_ATTRID PHY_OFF(0x164)
|
||||
#define UFS_PHY_RMMI_ATTRWRVAL PHY_OFF(0x168)
|
||||
#define UFS_PHY_RMMI_ATTRRDVAL_L0_STATUS PHY_OFF(0x16C)
|
||||
#define UFS_PHY_RMMI_ATTRRDVAL_L1_STATUS PHY_OFF(0x170)
|
||||
#define UFS_PHY_PCS_READY_STATUS PHY_OFF(0x174)
|
||||
|
||||
#define UFS_PHY_TX_LANE_ENABLE_MASK 0x3
|
||||
|
||||
/*
|
||||
* This structure represents the 20nm specific phy.
|
||||
* common_cfg MUST remain the first field in this structure
|
||||
* in case extra fields are added. This way, when calling
|
||||
* get_ufs_qcom_phy() of generic phy, we can extract the
|
||||
* common phy structure (struct ufs_qcom_phy) out of it
|
||||
* regardless of the relevant specific phy.
|
||||
*/
|
||||
struct ufs_qcom_phy_qmp_20nm {
|
||||
struct ufs_qcom_phy common_cfg;
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_2_0[] = {
|
||||
UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x3f),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x1b),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x0f),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(0), 0x2F),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(0), 0x20),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(1), 0x2F),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(1), 0x20),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {
|
||||
UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x2b),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x38),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x3c),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_UP_OFFSET, 0x02),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_DN_OFFSET, 0x02),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CNTRL, 0x40),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
|
||||
};
|
||||
|
||||
static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x98),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0x65),
|
||||
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x1e),
|
||||
};
|
||||
|
||||
#endif
|
|
@ -1,648 +0,0 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
|
||||
*/
|
||||
|
||||
#include "phy-qcom-ufs-i.h"
|
||||
|
||||
#define MAX_PROP_NAME 32
|
||||
#define VDDA_PHY_MIN_UV 1000000
|
||||
#define VDDA_PHY_MAX_UV 1000000
|
||||
#define VDDA_PLL_MIN_UV 1800000
|
||||
#define VDDA_PLL_MAX_UV 1800000
|
||||
#define VDDP_REF_CLK_MIN_UV 1200000
|
||||
#define VDDP_REF_CLK_MAX_UV 1200000
|
||||
|
||||
int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
|
||||
struct ufs_qcom_phy_calibration *tbl_A,
|
||||
int tbl_size_A,
|
||||
struct ufs_qcom_phy_calibration *tbl_B,
|
||||
int tbl_size_B, bool is_rate_B)
|
||||
{
|
||||
int i;
|
||||
int ret = 0;
|
||||
|
||||
if (!tbl_A) {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: tbl_A is NULL", __func__);
|
||||
ret = EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
for (i = 0; i < tbl_size_A; i++)
|
||||
writel_relaxed(tbl_A[i].cfg_value,
|
||||
ufs_qcom_phy->mmio + tbl_A[i].reg_offset);
|
||||
|
||||
/*
|
||||
* In case we would like to work in rate B, we need
|
||||
* to override a registers that were configured in rate A table
|
||||
* with registers of rate B table.
|
||||
* table.
|
||||
*/
|
||||
if (is_rate_B) {
|
||||
if (!tbl_B) {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: tbl_B is NULL",
|
||||
__func__);
|
||||
ret = EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
for (i = 0; i < tbl_size_B; i++)
|
||||
writel_relaxed(tbl_B[i].cfg_value,
|
||||
ufs_qcom_phy->mmio + tbl_B[i].reg_offset);
|
||||
}
|
||||
|
||||
/* flush buffered writes */
|
||||
mb();
|
||||
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);
|
||||
|
||||
/*
|
||||
* This assumes the embedded phy structure inside generic_phy is of type
|
||||
* struct ufs_qcom_phy. In order to function properly it's crucial
|
||||
* to keep the embedded struct "struct ufs_qcom_phy common_cfg"
|
||||
* as the first inside generic_phy.
|
||||
*/
|
||||
struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy)
|
||||
{
|
||||
return (struct ufs_qcom_phy *)phy_get_drvdata(generic_phy);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(get_ufs_qcom_phy);
|
||||
|
||||
static
|
||||
int ufs_qcom_phy_base_init(struct platform_device *pdev,
|
||||
struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct resource *res;
|
||||
int err = 0;
|
||||
|
||||
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_mem");
|
||||
phy_common->mmio = devm_ioremap_resource(dev, res);
|
||||
if (IS_ERR((void const *)phy_common->mmio)) {
|
||||
err = PTR_ERR((void const *)phy_common->mmio);
|
||||
phy_common->mmio = NULL;
|
||||
dev_err(dev, "%s: ioremap for phy_mem resource failed %d\n",
|
||||
__func__, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
/* "dev_ref_clk_ctrl_mem" is optional resource */
|
||||
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
|
||||
"dev_ref_clk_ctrl_mem");
|
||||
phy_common->dev_ref_clk_ctrl_mmio = devm_ioremap_resource(dev, res);
|
||||
if (IS_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio))
|
||||
phy_common->dev_ref_clk_ctrl_mmio = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
|
||||
struct ufs_qcom_phy *common_cfg,
|
||||
const struct phy_ops *ufs_qcom_phy_gen_ops,
|
||||
struct ufs_qcom_phy_specific_ops *phy_spec_ops)
|
||||
{
|
||||
int err;
|
||||
struct device *dev = &pdev->dev;
|
||||
struct phy *generic_phy = NULL;
|
||||
struct phy_provider *phy_provider;
|
||||
|
||||
err = ufs_qcom_phy_base_init(pdev, common_cfg);
|
||||
if (err) {
|
||||
dev_err(dev, "%s: phy base init failed %d\n", __func__, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
|
||||
if (IS_ERR(phy_provider)) {
|
||||
err = PTR_ERR(phy_provider);
|
||||
dev_err(dev, "%s: failed to register phy %d\n", __func__, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
generic_phy = devm_phy_create(dev, NULL, ufs_qcom_phy_gen_ops);
|
||||
if (IS_ERR(generic_phy)) {
|
||||
err = PTR_ERR(generic_phy);
|
||||
dev_err(dev, "%s: failed to create phy %d\n", __func__, err);
|
||||
generic_phy = NULL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
common_cfg->phy_spec_ops = phy_spec_ops;
|
||||
common_cfg->dev = dev;
|
||||
|
||||
out:
|
||||
return generic_phy;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_generic_probe);
|
||||
|
||||
static int ufs_qcom_phy_get_reset(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
struct reset_control *reset;
|
||||
|
||||
if (phy_common->ufs_reset)
|
||||
return 0;
|
||||
|
||||
reset = devm_reset_control_get_exclusive_by_index(phy_common->dev, 0);
|
||||
if (IS_ERR(reset))
|
||||
return PTR_ERR(reset);
|
||||
|
||||
phy_common->ufs_reset = reset;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __ufs_qcom_phy_clk_get(struct device *dev,
|
||||
const char *name, struct clk **clk_out, bool err_print)
|
||||
{
|
||||
struct clk *clk;
|
||||
int err = 0;
|
||||
|
||||
clk = devm_clk_get(dev, name);
|
||||
if (IS_ERR(clk)) {
|
||||
err = PTR_ERR(clk);
|
||||
if (err_print)
|
||||
dev_err(dev, "failed to get %s err %d", name, err);
|
||||
} else {
|
||||
*clk_out = clk;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_clk_get(struct device *dev,
|
||||
const char *name, struct clk **clk_out)
|
||||
{
|
||||
return __ufs_qcom_phy_clk_get(dev, name, clk_out, true);
|
||||
}
|
||||
|
||||
int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
int err;
|
||||
|
||||
if (of_device_is_compatible(phy_common->dev->of_node,
|
||||
"qcom,msm8996-ufs-phy-qmp-14nm"))
|
||||
goto skip_txrx_clk;
|
||||
|
||||
err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
|
||||
&phy_common->tx_iface_clk);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
err = ufs_qcom_phy_clk_get(phy_common->dev, "rx_iface_clk",
|
||||
&phy_common->rx_iface_clk);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
skip_txrx_clk:
|
||||
err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src",
|
||||
&phy_common->ref_clk_src);
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
/*
|
||||
* "ref_clk_parent" is optional hence don't abort init if it's not
|
||||
* found.
|
||||
*/
|
||||
__ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_parent",
|
||||
&phy_common->ref_clk_parent, false);
|
||||
|
||||
err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk",
|
||||
&phy_common->ref_clk);
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);
|
||||
|
||||
static int ufs_qcom_phy_init_vreg(struct device *dev,
|
||||
struct ufs_qcom_phy_vreg *vreg,
|
||||
const char *name)
|
||||
{
|
||||
int err = 0;
|
||||
|
||||
char prop_name[MAX_PROP_NAME];
|
||||
|
||||
vreg->name = name;
|
||||
vreg->reg = devm_regulator_get(dev, name);
|
||||
if (IS_ERR(vreg->reg)) {
|
||||
err = PTR_ERR(vreg->reg);
|
||||
dev_err(dev, "failed to get %s, %d\n", name, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (dev->of_node) {
|
||||
snprintf(prop_name, MAX_PROP_NAME, "%s-max-microamp", name);
|
||||
err = of_property_read_u32(dev->of_node,
|
||||
prop_name, &vreg->max_uA);
|
||||
if (err && err != -EINVAL) {
|
||||
dev_err(dev, "%s: failed to read %s\n",
|
||||
__func__, prop_name);
|
||||
goto out;
|
||||
} else if (err == -EINVAL || !vreg->max_uA) {
|
||||
if (regulator_count_voltages(vreg->reg) > 0) {
|
||||
dev_err(dev, "%s: %s is mandatory\n",
|
||||
__func__, prop_name);
|
||||
goto out;
|
||||
}
|
||||
err = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (!strcmp(name, "vdda-pll")) {
|
||||
vreg->max_uV = VDDA_PLL_MAX_UV;
|
||||
vreg->min_uV = VDDA_PLL_MIN_UV;
|
||||
} else if (!strcmp(name, "vdda-phy")) {
|
||||
vreg->max_uV = VDDA_PHY_MAX_UV;
|
||||
vreg->min_uV = VDDA_PHY_MIN_UV;
|
||||
} else if (!strcmp(name, "vddp-ref-clk")) {
|
||||
vreg->max_uV = VDDP_REF_CLK_MAX_UV;
|
||||
vreg->min_uV = VDDP_REF_CLK_MIN_UV;
|
||||
}
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_pll,
|
||||
"vdda-pll");
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_phy,
|
||||
"vdda-phy");
|
||||
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk,
|
||||
"vddp-ref-clk");
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators);
|
||||
|
||||
static int ufs_qcom_phy_cfg_vreg(struct device *dev,
|
||||
struct ufs_qcom_phy_vreg *vreg, bool on)
|
||||
{
|
||||
int ret = 0;
|
||||
struct regulator *reg = vreg->reg;
|
||||
const char *name = vreg->name;
|
||||
int min_uV;
|
||||
int uA_load;
|
||||
|
||||
if (regulator_count_voltages(reg) > 0) {
|
||||
min_uV = on ? vreg->min_uV : 0;
|
||||
ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
|
||||
if (ret) {
|
||||
dev_err(dev, "%s: %s set voltage failed, err=%d\n",
|
||||
__func__, name, ret);
|
||||
goto out;
|
||||
}
|
||||
uA_load = on ? vreg->max_uA : 0;
|
||||
ret = regulator_set_load(reg, uA_load);
|
||||
if (ret >= 0) {
|
||||
/*
|
||||
* regulator_set_load() returns new regulator
|
||||
* mode upon success.
|
||||
*/
|
||||
ret = 0;
|
||||
} else {
|
||||
dev_err(dev, "%s: %s set optimum mode(uA_load=%d) failed, err=%d\n",
|
||||
__func__, name, uA_load, ret);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_enable_vreg(struct device *dev,
|
||||
struct ufs_qcom_phy_vreg *vreg)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (!vreg || vreg->enabled)
|
||||
goto out;
|
||||
|
||||
ret = ufs_qcom_phy_cfg_vreg(dev, vreg, true);
|
||||
if (ret) {
|
||||
dev_err(dev, "%s: ufs_qcom_phy_cfg_vreg() failed, err=%d\n",
|
||||
__func__, ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = regulator_enable(vreg->reg);
|
||||
if (ret) {
|
||||
dev_err(dev, "%s: enable failed, err=%d\n",
|
||||
__func__, ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
vreg->enabled = true;
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_enable_ref_clk(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (phy->is_ref_clk_enabled)
|
||||
goto out;
|
||||
|
||||
/*
|
||||
* reference clock is propagated in a daisy-chained manner from
|
||||
* source to phy, so ungate them at each stage.
|
||||
*/
|
||||
ret = clk_prepare_enable(phy->ref_clk_src);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: ref_clk_src enable failed %d\n",
|
||||
__func__, ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* "ref_clk_parent" is optional clock hence make sure that clk reference
|
||||
* is available before trying to enable the clock.
|
||||
*/
|
||||
if (phy->ref_clk_parent) {
|
||||
ret = clk_prepare_enable(phy->ref_clk_parent);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: ref_clk_parent enable failed %d\n",
|
||||
__func__, ret);
|
||||
goto out_disable_src;
|
||||
}
|
||||
}
|
||||
|
||||
ret = clk_prepare_enable(phy->ref_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: ref_clk enable failed %d\n",
|
||||
__func__, ret);
|
||||
goto out_disable_parent;
|
||||
}
|
||||
|
||||
phy->is_ref_clk_enabled = true;
|
||||
goto out;
|
||||
|
||||
out_disable_parent:
|
||||
if (phy->ref_clk_parent)
|
||||
clk_disable_unprepare(phy->ref_clk_parent);
|
||||
out_disable_src:
|
||||
clk_disable_unprepare(phy->ref_clk_src);
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_disable_vreg(struct device *dev,
|
||||
struct ufs_qcom_phy_vreg *vreg)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (!vreg || !vreg->enabled)
|
||||
goto out;
|
||||
|
||||
ret = regulator_disable(vreg->reg);
|
||||
|
||||
if (!ret) {
|
||||
/* ignore errors on applying disable config */
|
||||
ufs_qcom_phy_cfg_vreg(dev, vreg, false);
|
||||
vreg->enabled = false;
|
||||
} else {
|
||||
dev_err(dev, "%s: %s disable failed, err=%d\n",
|
||||
__func__, vreg->name, ret);
|
||||
}
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void ufs_qcom_phy_disable_ref_clk(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
if (phy->is_ref_clk_enabled) {
|
||||
clk_disable_unprepare(phy->ref_clk);
|
||||
/*
|
||||
* "ref_clk_parent" is optional clock hence make sure that clk
|
||||
* reference is available before trying to disable the clock.
|
||||
*/
|
||||
if (phy->ref_clk_parent)
|
||||
clk_disable_unprepare(phy->ref_clk_parent);
|
||||
clk_disable_unprepare(phy->ref_clk_src);
|
||||
phy->is_ref_clk_enabled = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Turn ON M-PHY RMMI interface clocks */
|
||||
static int ufs_qcom_phy_enable_iface_clk(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (phy->is_iface_clk_enabled)
|
||||
goto out;
|
||||
|
||||
ret = clk_prepare_enable(phy->tx_iface_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: tx_iface_clk enable failed %d\n",
|
||||
__func__, ret);
|
||||
goto out;
|
||||
}
|
||||
ret = clk_prepare_enable(phy->rx_iface_clk);
|
||||
if (ret) {
|
||||
clk_disable_unprepare(phy->tx_iface_clk);
|
||||
dev_err(phy->dev, "%s: rx_iface_clk enable failed %d. disabling also tx_iface_clk\n",
|
||||
__func__, ret);
|
||||
goto out;
|
||||
}
|
||||
phy->is_iface_clk_enabled = true;
|
||||
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Turn OFF M-PHY RMMI interface clocks */
|
||||
static void ufs_qcom_phy_disable_iface_clk(struct ufs_qcom_phy *phy)
|
||||
{
|
||||
if (phy->is_iface_clk_enabled) {
|
||||
clk_disable_unprepare(phy->tx_iface_clk);
|
||||
clk_disable_unprepare(phy->rx_iface_clk);
|
||||
phy->is_iface_clk_enabled = false;
|
||||
}
|
||||
}
|
||||
|
||||
static int ufs_qcom_phy_start_serdes(struct ufs_qcom_phy *ufs_qcom_phy)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (!ufs_qcom_phy->phy_spec_ops->start_serdes) {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: start_serdes() callback is not supported\n",
|
||||
__func__);
|
||||
ret = -ENOTSUPP;
|
||||
} else {
|
||||
ufs_qcom_phy->phy_spec_ops->start_serdes(ufs_qcom_phy);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
|
||||
{
|
||||
struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
|
||||
int ret = 0;
|
||||
|
||||
if (!ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable) {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: set_tx_lane_enable() callback is not supported\n",
|
||||
__func__);
|
||||
ret = -ENOTSUPP;
|
||||
} else {
|
||||
ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable(ufs_qcom_phy,
|
||||
tx_lanes);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable);
|
||||
|
||||
void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
|
||||
u8 major, u16 minor, u16 step)
|
||||
{
|
||||
struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
|
||||
|
||||
ufs_qcom_phy->host_ctrl_rev_major = major;
|
||||
ufs_qcom_phy->host_ctrl_rev_minor = minor;
|
||||
ufs_qcom_phy->host_ctrl_rev_step = step;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version);
|
||||
|
||||
static int ufs_qcom_phy_is_pcs_ready(struct ufs_qcom_phy *ufs_qcom_phy)
|
||||
{
|
||||
if (!ufs_qcom_phy->phy_spec_ops->is_physical_coding_sublayer_ready) {
|
||||
dev_err(ufs_qcom_phy->dev, "%s: is_physical_coding_sublayer_ready() callback is not supported\n",
|
||||
__func__);
|
||||
return -ENOTSUPP;
|
||||
}
|
||||
|
||||
return ufs_qcom_phy->phy_spec_ops->
|
||||
is_physical_coding_sublayer_ready(ufs_qcom_phy);
|
||||
}
|
||||
|
||||
int ufs_qcom_phy_power_on(struct phy *generic_phy)
|
||||
{
|
||||
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
|
||||
struct device *dev = phy_common->dev;
|
||||
bool is_rate_B = false;
|
||||
int err;
|
||||
|
||||
err = ufs_qcom_phy_get_reset(phy_common);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = reset_control_assert(phy_common->ufs_reset);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (phy_common->mode == PHY_MODE_UFS_HS_B)
|
||||
is_rate_B = true;
|
||||
|
||||
err = phy_common->phy_spec_ops->calibrate(phy_common, is_rate_B);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = reset_control_deassert(phy_common->ufs_reset);
|
||||
if (err) {
|
||||
dev_err(dev, "Failed to assert UFS PHY reset");
|
||||
return err;
|
||||
}
|
||||
|
||||
err = ufs_qcom_phy_start_serdes(phy_common);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = ufs_qcom_phy_is_pcs_ready(phy_common);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_phy);
|
||||
if (err) {
|
||||
dev_err(dev, "%s enable vdda_phy failed, err=%d\n",
|
||||
__func__, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
phy_common->phy_spec_ops->power_control(phy_common, true);
|
||||
|
||||
/* vdda_pll also enables ref clock LDOs so enable it first */
|
||||
err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_pll);
|
||||
if (err) {
|
||||
dev_err(dev, "%s enable vdda_pll failed, err=%d\n",
|
||||
__func__, err);
|
||||
goto out_disable_phy;
|
||||
}
|
||||
|
||||
err = ufs_qcom_phy_enable_iface_clk(phy_common);
|
||||
if (err) {
|
||||
dev_err(dev, "%s enable phy iface clock failed, err=%d\n",
|
||||
__func__, err);
|
||||
goto out_disable_pll;
|
||||
}
|
||||
|
||||
err = ufs_qcom_phy_enable_ref_clk(phy_common);
|
||||
if (err) {
|
||||
dev_err(dev, "%s enable phy ref clock failed, err=%d\n",
|
||||
__func__, err);
|
||||
goto out_disable_iface_clk;
|
||||
}
|
||||
|
||||
/* enable device PHY ref_clk pad rail */
|
||||
if (phy_common->vddp_ref_clk.reg) {
|
||||
err = ufs_qcom_phy_enable_vreg(dev,
|
||||
&phy_common->vddp_ref_clk);
|
||||
if (err) {
|
||||
dev_err(dev, "%s enable vddp_ref_clk failed, err=%d\n",
|
||||
__func__, err);
|
||||
goto out_disable_ref_clk;
|
||||
}
|
||||
}
|
||||
|
||||
goto out;
|
||||
|
||||
out_disable_ref_clk:
|
||||
ufs_qcom_phy_disable_ref_clk(phy_common);
|
||||
out_disable_iface_clk:
|
||||
ufs_qcom_phy_disable_iface_clk(phy_common);
|
||||
out_disable_pll:
|
||||
ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_pll);
|
||||
out_disable_phy:
|
||||
ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_phy);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_on);
|
||||
|
||||
int ufs_qcom_phy_power_off(struct phy *generic_phy)
|
||||
{
|
||||
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
|
||||
|
||||
phy_common->phy_spec_ops->power_control(phy_common, false);
|
||||
|
||||
if (phy_common->vddp_ref_clk.reg)
|
||||
ufs_qcom_phy_disable_vreg(phy_common->dev,
|
||||
&phy_common->vddp_ref_clk);
|
||||
ufs_qcom_phy_disable_ref_clk(phy_common);
|
||||
ufs_qcom_phy_disable_iface_clk(phy_common);
|
||||
|
||||
ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_pll);
|
||||
ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_phy);
|
||||
reset_control_assert(phy_common->ufs_reset);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
|
||||
|
||||
MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>");
|
||||
MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
|
||||
MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY");
|
||||
MODULE_LICENSE("GPL v2");
|
|
@ -111,6 +111,7 @@ struct rcar_gen3_chan {
|
|||
struct work_struct work;
|
||||
struct mutex lock; /* protects rphys[...].powered */
|
||||
enum usb_dr_mode dr_mode;
|
||||
int irq;
|
||||
bool extcon_host;
|
||||
bool is_otg_channel;
|
||||
bool uses_otg_pins;
|
||||
|
@ -389,12 +390,40 @@ static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch)
|
|||
rcar_gen3_device_recognition(ch);
|
||||
}
|
||||
|
||||
static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
|
||||
{
|
||||
struct rcar_gen3_chan *ch = _ch;
|
||||
void __iomem *usb2_base = ch->base;
|
||||
u32 status = readl(usb2_base + USB2_OBINTSTA);
|
||||
irqreturn_t ret = IRQ_NONE;
|
||||
|
||||
if (status & USB2_OBINT_BITS) {
|
||||
dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
|
||||
writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
|
||||
rcar_gen3_device_recognition(ch);
|
||||
ret = IRQ_HANDLED;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int rcar_gen3_phy_usb2_init(struct phy *p)
|
||||
{
|
||||
struct rcar_gen3_phy *rphy = phy_get_drvdata(p);
|
||||
struct rcar_gen3_chan *channel = rphy->ch;
|
||||
void __iomem *usb2_base = channel->base;
|
||||
u32 val;
|
||||
int ret;
|
||||
|
||||
if (!rcar_gen3_is_any_rphy_initialized(channel) && channel->irq >= 0) {
|
||||
INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
|
||||
ret = request_irq(channel->irq, rcar_gen3_phy_usb2_irq,
|
||||
IRQF_SHARED, dev_name(channel->dev), channel);
|
||||
if (ret < 0) {
|
||||
dev_err(channel->dev, "No irq handler (%d)\n", channel->irq);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
/* Initialize USB2 part */
|
||||
val = readl(usb2_base + USB2_INT_ENABLE);
|
||||
|
@ -433,6 +462,9 @@ static int rcar_gen3_phy_usb2_exit(struct phy *p)
|
|||
val &= ~USB2_INT_ENABLE_UCOM_INTEN;
|
||||
writel(val, usb2_base + USB2_INT_ENABLE);
|
||||
|
||||
if (channel->irq >= 0 && !rcar_gen3_is_any_rphy_initialized(channel))
|
||||
free_irq(channel->irq, channel);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -503,23 +535,6 @@ static const struct phy_ops rz_g1c_phy_usb2_ops = {
|
|||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
|
||||
{
|
||||
struct rcar_gen3_chan *ch = _ch;
|
||||
void __iomem *usb2_base = ch->base;
|
||||
u32 status = readl(usb2_base + USB2_OBINTSTA);
|
||||
irqreturn_t ret = IRQ_NONE;
|
||||
|
||||
if (status & USB2_OBINT_BITS) {
|
||||
dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
|
||||
writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
|
||||
rcar_gen3_device_recognition(ch);
|
||||
ret = IRQ_HANDLED;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
|
||||
{
|
||||
.compatible = "renesas,usb2-phy-r8a77470",
|
||||
|
@ -598,7 +613,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
|
|||
struct phy_provider *provider;
|
||||
struct resource *res;
|
||||
const struct phy_ops *phy_usb2_ops;
|
||||
int irq, ret = 0, i;
|
||||
int ret = 0, i;
|
||||
|
||||
if (!dev->of_node) {
|
||||
dev_err(dev, "This driver needs device tree\n");
|
||||
|
@ -614,16 +629,8 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
|
|||
if (IS_ERR(channel->base))
|
||||
return PTR_ERR(channel->base);
|
||||
|
||||
/* call request_irq for OTG */
|
||||
irq = platform_get_irq_optional(pdev, 0);
|
||||
if (irq >= 0) {
|
||||
INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
|
||||
irq = devm_request_irq(dev, irq, rcar_gen3_phy_usb2_irq,
|
||||
IRQF_SHARED, dev_name(dev), channel);
|
||||
if (irq < 0)
|
||||
dev_err(dev, "No irq handler (%d)\n", irq);
|
||||
}
|
||||
|
||||
/* get irq number here and request_irq for OTG in phy_init */
|
||||
channel->irq = platform_get_irq_optional(pdev, 0);
|
||||
channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node);
|
||||
if (channel->dr_mode != USB_DR_MODE_UNKNOWN) {
|
||||
int ret;
|
||||
|
|
|
@ -347,7 +347,7 @@ struct usb3phy_reg {
|
|||
};
|
||||
|
||||
/**
|
||||
* struct rockchip_usb3phy_port_cfg: usb3-phy port configuration.
|
||||
* struct rockchip_usb3phy_port_cfg - usb3-phy port configuration.
|
||||
* @reg: the base address for usb3-phy config.
|
||||
* @typec_conn_dir: the register of type-c connector direction.
|
||||
* @usb3tousb2_en: the register of type-c force usb2 to usb2 enable.
|
||||
|
|
|
@ -3,23 +3,23 @@
|
|||
# Phy drivers for Samsung platforms
|
||||
#
|
||||
config PHY_EXYNOS_DP_VIDEO
|
||||
tristate "EXYNOS SoC series Display Port PHY driver"
|
||||
tristate "Exynos SoC series Display Port PHY driver"
|
||||
depends on OF
|
||||
depends on ARCH_EXYNOS || COMPILE_TEST
|
||||
default ARCH_EXYNOS
|
||||
select GENERIC_PHY
|
||||
help
|
||||
Support for Display Port PHY found on Samsung EXYNOS SoCs.
|
||||
Support for Display Port PHY found on Samsung Exynos SoCs.
|
||||
|
||||
config PHY_EXYNOS_MIPI_VIDEO
|
||||
tristate "S5P/EXYNOS SoC series MIPI CSI-2/DSI PHY driver"
|
||||
tristate "S5P/Exynos SoC series MIPI CSI-2/DSI PHY driver"
|
||||
depends on HAS_IOMEM
|
||||
depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
|
||||
select GENERIC_PHY
|
||||
default y if ARCH_S5PV210 || ARCH_EXYNOS
|
||||
help
|
||||
Support for MIPI CSI-2 and MIPI DSI DPHY found on Samsung S5P
|
||||
and EXYNOS SoCs.
|
||||
and Exynos SoCs.
|
||||
|
||||
config PHY_EXYNOS_PCIE
|
||||
bool "Exynos PCIe PHY driver"
|
||||
|
@ -29,6 +29,15 @@ config PHY_EXYNOS_PCIE
|
|||
Enable PCIe PHY support for Exynos SoC series.
|
||||
This driver provides PHY interface for Exynos PCIe controller.
|
||||
|
||||
config PHY_SAMSUNG_UFS
|
||||
tristate "SAMSUNG SoC series UFS PHY driver"
|
||||
depends on OF && (ARCH_EXYNOS || COMPILE_TEST)
|
||||
select GENERIC_PHY
|
||||
help
|
||||
Enable this to support the Samsung UFS PHY driver for
|
||||
Samsung SoCs. This driver provides the interface for UFS
|
||||
host controller to do PHY related programming.
|
||||
|
||||
config PHY_SAMSUNG_USB2
|
||||
tristate "Samsung USB 2.0 PHY driver"
|
||||
depends on HAS_IOMEM
|
||||
|
|
|
@ -2,6 +2,7 @@
|
|||
obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO) += phy-exynos-dp-video.o
|
||||
obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) += phy-exynos-mipi-video.o
|
||||
obj-$(CONFIG_PHY_EXYNOS_PCIE) += phy-exynos-pcie.o
|
||||
obj-$(CONFIG_PHY_SAMSUNG_UFS) += phy-samsung-ufs.o
|
||||
obj-$(CONFIG_PHY_SAMSUNG_USB2) += phy-exynos-usb2.o
|
||||
phy-exynos-usb2-y += phy-samsung-usb2.o
|
||||
phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2) += phy-exynos4210-usb2.o
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Samsung EXYNOS SoC series Display Port PHY driver
|
||||
* Samsung Exynos SoC series Display Port PHY driver
|
||||
*
|
||||
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
||||
* Author: Jingoo Han <jg1.han@samsung.com>
|
||||
|
@ -115,5 +115,5 @@ static struct platform_driver exynos_dp_video_phy_driver = {
|
|||
module_platform_driver(exynos_dp_video_phy_driver);
|
||||
|
||||
MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
|
||||
MODULE_DESCRIPTION("Samsung EXYNOS SoC DP PHY driver");
|
||||
MODULE_DESCRIPTION("Samsung Exynos SoC DP PHY driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
|
||||
* Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
|
||||
*
|
||||
* Copyright (C) 2013,2016 Samsung Electronics Co., Ltd.
|
||||
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
||||
|
@ -364,6 +364,6 @@ static struct platform_driver exynos_mipi_video_phy_driver = {
|
|||
};
|
||||
module_platform_driver(exynos_mipi_video_phy_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC MIPI CSI-2/DSI PHY driver");
|
||||
MODULE_DESCRIPTION("Samsung S5P/Exynos SoC MIPI CSI-2/DSI PHY driver");
|
||||
MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Samsung EXYNOS SoC series PCIe PHY driver
|
||||
* Samsung Exynos SoC series PCIe PHY driver
|
||||
*
|
||||
* Phy provider for PCIe controller on Exynos SoC series
|
||||
*
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Samsung EXYNOS5 SoC series USB DRD PHY driver
|
||||
* Samsung Exynos5 SoC series USB DRD PHY driver
|
||||
*
|
||||
* Phy provider for USB 3.0 DRD controller on Exynos5 SoC series
|
||||
*
|
||||
|
@ -33,7 +33,7 @@
|
|||
#define EXYNOS5_FSEL_24MHZ 0x5
|
||||
#define EXYNOS5_FSEL_50MHZ 0x7
|
||||
|
||||
/* EXYNOS5: USB 3.0 DRD PHY registers */
|
||||
/* Exynos5: USB 3.0 DRD PHY registers */
|
||||
#define EXYNOS5_DRD_LINKSYSTEM 0x04
|
||||
|
||||
#define LINKSYSTEM_FLADJ_MASK (0x3f << 1)
|
||||
|
@ -180,14 +180,14 @@ struct exynos5_usbdrd_phy_drvdata {
|
|||
* @utmiclk: clock for utmi+ phy
|
||||
* @itpclk: clock for ITP generation
|
||||
* @drv_data: pointer to SoC level driver data structure
|
||||
* @phys[]: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
|
||||
* @phys: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
|
||||
* instances each with its 'phy' and 'phy_cfg'.
|
||||
* @extrefclk: frequency select settings when using 'separate
|
||||
* reference clocks' for SS and HS operations
|
||||
* @ref_clk: reference clock to PHY block from which PHY's
|
||||
* operational clocks are derived
|
||||
* vbus: VBUS regulator for phy
|
||||
* vbus_boost: Boost regulator for VBUS present on few Exynos boards
|
||||
* @vbus: VBUS regulator for phy
|
||||
* @vbus_boost: Boost regulator for VBUS present on few Exynos boards
|
||||
*/
|
||||
struct exynos5_usbdrd_phy {
|
||||
struct device *dev;
|
||||
|
@ -714,7 +714,9 @@ static int exynos5_usbdrd_phy_calibrate(struct phy *phy)
|
|||
struct phy_usb_instance *inst = phy_get_drvdata(phy);
|
||||
struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
|
||||
|
||||
return exynos5420_usbdrd_phy_calibrate(phy_drd);
|
||||
if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI)
|
||||
return exynos5420_usbdrd_phy_calibrate(phy_drd);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct phy_ops exynos5_usbdrd_phy_ops = {
|
||||
|
@ -958,7 +960,7 @@ static struct platform_driver exynos5_usb3drd_phy = {
|
|||
};
|
||||
|
||||
module_platform_driver(exynos5_usb3drd_phy);
|
||||
MODULE_DESCRIPTION("Samsung EXYNOS5 SoCs USB 3.0 DRD controller PHY driver");
|
||||
MODULE_DESCRIPTION("Samsung Exynos5 SoCs USB 3.0 DRD controller PHY driver");
|
||||
MODULE_AUTHOR("Vivek Gautam <gautam.vivek@samsung.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_ALIAS("platform:exynos5_usb3drd_phy");
|
||||
|
|
|
@ -0,0 +1,81 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* UFS PHY driver data for Samsung EXYNOS7 SoC
|
||||
*
|
||||
* Copyright (C) 2020 Samsung Electronics Co., Ltd.
|
||||
*/
|
||||
#ifndef _PHY_EXYNOS7_UFS_H_
|
||||
#define _PHY_EXYNOS7_UFS_H_
|
||||
|
||||
#include "phy-samsung-ufs.h"
|
||||
|
||||
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL 0x720
|
||||
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
|
||||
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)
|
||||
|
||||
/* Calibration for phy initialization */
|
||||
static const struct samsung_ufs_phy_cfg exynos7_pre_init_cfg[] = {
|
||||
PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
|
||||
PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
|
||||
PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
|
||||
PHY_COMN_REG_CFG(0x017, 0x84, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
|
||||
PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
|
||||
END_UFS_PHY_CFG
|
||||
};
|
||||
|
||||
/* Calibration for HS mode series A/B */
|
||||
static const struct samsung_ufs_phy_cfg exynos7_pre_pwr_hs_cfg[] = {
|
||||
PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_HS_ANY),
|
||||
PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_HS_ANY),
|
||||
PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_HS_ANY),
|
||||
/* Setting order: 1st(0x16, 2nd(0x15) */
|
||||
PHY_COMN_REG_CFG(0x016, 0xff, PWR_MODE_HS_ANY),
|
||||
PHY_COMN_REG_CFG(0x015, 0x80, PWR_MODE_HS_ANY),
|
||||
PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x037, 0x43, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x038, 0x3f, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_HS_G2_SER_A),
|
||||
PHY_TRSV_REG_CFG(0x042, 0xbb, PWR_MODE_HS_G2_SER_B),
|
||||
PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x034, 0x35, PWR_MODE_HS_G2_SER_A),
|
||||
PHY_TRSV_REG_CFG(0x034, 0x36, PWR_MODE_HS_G2_SER_B),
|
||||
PHY_TRSV_REG_CFG(0x035, 0x5b, PWR_MODE_HS_G2_SER_A),
|
||||
PHY_TRSV_REG_CFG(0x035, 0x5c, PWR_MODE_HS_G2_SER_B),
|
||||
END_UFS_PHY_CFG
|
||||
};
|
||||
|
||||
/* Calibration for HS mode series A/B atfer PMC */
|
||||
static const struct samsung_ufs_phy_cfg exynos7_post_pwr_hs_cfg[] = {
|
||||
PHY_COMN_REG_CFG(0x015, 0x00, PWR_MODE_HS_ANY),
|
||||
PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_HS_ANY),
|
||||
END_UFS_PHY_CFG
|
||||
};
|
||||
|
||||
static const struct samsung_ufs_phy_cfg *exynos7_ufs_phy_cfgs[CFG_TAG_MAX] = {
|
||||
[CFG_PRE_INIT] = exynos7_pre_init_cfg,
|
||||
[CFG_PRE_PWR_HS] = exynos7_pre_pwr_hs_cfg,
|
||||
[CFG_POST_PWR_HS] = exynos7_post_pwr_hs_cfg,
|
||||
};
|
||||
|
||||
static struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
|
||||
.cfg = exynos7_ufs_phy_cfgs,
|
||||
.isol = {
|
||||
.offset = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL,
|
||||
.mask = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK,
|
||||
.en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
|
||||
},
|
||||
.has_symbol_clk = 1,
|
||||
};
|
||||
|
||||
#endif /* _PHY_EXYNOS7_UFS_H_ */
|
|
@ -0,0 +1,366 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* UFS PHY driver for Samsung SoC
|
||||
*
|
||||
* Copyright (C) 2020 Samsung Electronics Co., Ltd.
|
||||
* Author: Seungwon Jeon <essuuj@gmail.com>
|
||||
* Author: Alim Akhtar <alim.akhtar@samsung.com>
|
||||
*
|
||||
*/
|
||||
#include <linux/clk.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/iopoll.h>
|
||||
#include <linux/mfd/syscon.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/regmap.h>
|
||||
|
||||
#include "phy-samsung-ufs.h"
|
||||
|
||||
#define for_each_phy_lane(phy, i) \
|
||||
for (i = 0; i < (phy)->lane_cnt; i++)
|
||||
#define for_each_phy_cfg(cfg) \
|
||||
for (; (cfg)->id; (cfg)++)
|
||||
|
||||
#define PHY_DEF_LANE_CNT 1
|
||||
|
||||
static void samsung_ufs_phy_config(struct samsung_ufs_phy *phy,
|
||||
const struct samsung_ufs_phy_cfg *cfg,
|
||||
u8 lane)
|
||||
{
|
||||
enum {LANE_0, LANE_1}; /* lane index */
|
||||
|
||||
switch (lane) {
|
||||
case LANE_0:
|
||||
writel(cfg->val, (phy)->reg_pma + cfg->off_0);
|
||||
break;
|
||||
case LANE_1:
|
||||
if (cfg->id == PHY_TRSV_BLK)
|
||||
writel(cfg->val, (phy)->reg_pma + cfg->off_1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
|
||||
const unsigned int timeout_us = 100000;
|
||||
const unsigned int sleep_us = 10;
|
||||
u32 val;
|
||||
int err;
|
||||
|
||||
err = readl_poll_timeout(
|
||||
ufs_phy->reg_pma + PHY_APB_ADDR(PHY_PLL_LOCK_STATUS),
|
||||
val, (val & PHY_PLL_LOCK_BIT), sleep_us, timeout_us);
|
||||
if (err) {
|
||||
dev_err(ufs_phy->dev,
|
||||
"failed to get phy pll lock acquisition %d\n", err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = readl_poll_timeout(
|
||||
ufs_phy->reg_pma + PHY_APB_ADDR(PHY_CDR_LOCK_STATUS),
|
||||
val, (val & PHY_CDR_LOCK_BIT), sleep_us, timeout_us);
|
||||
if (err)
|
||||
dev_err(ufs_phy->dev,
|
||||
"failed to get phy cdr lock acquisition %d\n", err);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_calibrate(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
|
||||
struct samsung_ufs_phy_cfg **cfgs = ufs_phy->cfg;
|
||||
const struct samsung_ufs_phy_cfg *cfg;
|
||||
int err = 0;
|
||||
int i;
|
||||
|
||||
if (unlikely(ufs_phy->ufs_phy_state < CFG_PRE_INIT ||
|
||||
ufs_phy->ufs_phy_state >= CFG_TAG_MAX)) {
|
||||
dev_err(ufs_phy->dev, "invalid phy config index %d\n", ufs_phy->ufs_phy_state);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
cfg = cfgs[ufs_phy->ufs_phy_state];
|
||||
if (!cfg)
|
||||
goto out;
|
||||
|
||||
for_each_phy_cfg(cfg) {
|
||||
for_each_phy_lane(ufs_phy, i) {
|
||||
samsung_ufs_phy_config(ufs_phy, cfg, i);
|
||||
}
|
||||
}
|
||||
|
||||
if (ufs_phy->ufs_phy_state == CFG_POST_PWR_HS)
|
||||
err = samsung_ufs_phy_wait_for_lock_acq(phy);
|
||||
|
||||
/**
|
||||
* In Samsung ufshci, PHY need to be calibrated at different
|
||||
* stages / state mainly before Linkstartup, after Linkstartup,
|
||||
* before power mode change and after power mode change.
|
||||
* Below state machine to make sure to calibrate PHY in each
|
||||
* state. Here after configuring PHY in a given state, will
|
||||
* change the state to next state so that next state phy
|
||||
* calibration value can be programed
|
||||
*/
|
||||
out:
|
||||
switch (ufs_phy->ufs_phy_state) {
|
||||
case CFG_PRE_INIT:
|
||||
ufs_phy->ufs_phy_state = CFG_POST_INIT;
|
||||
break;
|
||||
case CFG_POST_INIT:
|
||||
ufs_phy->ufs_phy_state = CFG_PRE_PWR_HS;
|
||||
break;
|
||||
case CFG_PRE_PWR_HS:
|
||||
ufs_phy->ufs_phy_state = CFG_POST_PWR_HS;
|
||||
break;
|
||||
case CFG_POST_PWR_HS:
|
||||
/* Change back to INIT state */
|
||||
ufs_phy->ufs_phy_state = CFG_PRE_INIT;
|
||||
break;
|
||||
default:
|
||||
dev_err(ufs_phy->dev, "wrong state for phy calibration\n");
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_symbol_clk_init(struct samsung_ufs_phy *phy)
|
||||
{
|
||||
int ret;
|
||||
|
||||
phy->tx0_symbol_clk = devm_clk_get(phy->dev, "tx0_symbol_clk");
|
||||
if (IS_ERR(phy->tx0_symbol_clk)) {
|
||||
dev_err(phy->dev, "failed to get tx0_symbol_clk clock\n");
|
||||
return PTR_ERR(phy->tx0_symbol_clk);
|
||||
}
|
||||
|
||||
phy->rx0_symbol_clk = devm_clk_get(phy->dev, "rx0_symbol_clk");
|
||||
if (IS_ERR(phy->rx0_symbol_clk)) {
|
||||
dev_err(phy->dev, "failed to get rx0_symbol_clk clock\n");
|
||||
return PTR_ERR(phy->rx0_symbol_clk);
|
||||
}
|
||||
|
||||
phy->rx1_symbol_clk = devm_clk_get(phy->dev, "rx1_symbol_clk");
|
||||
if (IS_ERR(phy->rx1_symbol_clk)) {
|
||||
dev_err(phy->dev, "failed to get rx1_symbol_clk clock\n");
|
||||
return PTR_ERR(phy->rx1_symbol_clk);
|
||||
}
|
||||
|
||||
ret = clk_prepare_enable(phy->tx0_symbol_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: tx0_symbol_clk enable failed %d\n", __func__, ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = clk_prepare_enable(phy->rx0_symbol_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: rx0_symbol_clk enable failed %d\n", __func__, ret);
|
||||
goto out_disable_tx0_clk;
|
||||
}
|
||||
|
||||
ret = clk_prepare_enable(phy->rx1_symbol_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: rx1_symbol_clk enable failed %d\n", __func__, ret);
|
||||
goto out_disable_rx0_clk;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
out_disable_rx0_clk:
|
||||
clk_disable_unprepare(phy->rx0_symbol_clk);
|
||||
out_disable_tx0_clk:
|
||||
clk_disable_unprepare(phy->tx0_symbol_clk);
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_clks_init(struct samsung_ufs_phy *phy)
|
||||
{
|
||||
int ret;
|
||||
|
||||
phy->ref_clk = devm_clk_get(phy->dev, "ref_clk");
|
||||
if (IS_ERR(phy->ref_clk))
|
||||
dev_err(phy->dev, "failed to get ref_clk clock\n");
|
||||
|
||||
ret = clk_prepare_enable(phy->ref_clk);
|
||||
if (ret) {
|
||||
dev_err(phy->dev, "%s: ref_clk enable failed %d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
dev_dbg(phy->dev, "UFS MPHY ref_clk_rate = %ld\n", clk_get_rate(phy->ref_clk));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_init(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
|
||||
int ret;
|
||||
|
||||
ss_phy->lane_cnt = phy->attrs.bus_width;
|
||||
ss_phy->ufs_phy_state = CFG_PRE_INIT;
|
||||
|
||||
if (ss_phy->drvdata->has_symbol_clk) {
|
||||
ret = samsung_ufs_phy_symbol_clk_init(ss_phy);
|
||||
if (ret)
|
||||
dev_err(ss_phy->dev, "failed to set ufs phy symbol clocks\n");
|
||||
}
|
||||
|
||||
ret = samsung_ufs_phy_clks_init(ss_phy);
|
||||
if (ret)
|
||||
dev_err(ss_phy->dev, "failed to set ufs phy clocks\n");
|
||||
|
||||
ret = samsung_ufs_phy_calibrate(phy);
|
||||
if (ret)
|
||||
dev_err(ss_phy->dev, "ufs phy calibration failed\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_power_on(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
|
||||
|
||||
samsung_ufs_phy_ctrl_isol(ss_phy, false);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_power_off(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
|
||||
|
||||
samsung_ufs_phy_ctrl_isol(ss_phy, true);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_set_mode(struct phy *generic_phy,
|
||||
enum phy_mode mode, int submode)
|
||||
{
|
||||
struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(generic_phy);
|
||||
|
||||
ss_phy->mode = PHY_MODE_INVALID;
|
||||
|
||||
if (mode > 0)
|
||||
ss_phy->mode = mode;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int samsung_ufs_phy_exit(struct phy *phy)
|
||||
{
|
||||
struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
|
||||
|
||||
clk_disable_unprepare(ss_phy->ref_clk);
|
||||
|
||||
if (ss_phy->drvdata->has_symbol_clk) {
|
||||
clk_disable_unprepare(ss_phy->tx0_symbol_clk);
|
||||
clk_disable_unprepare(ss_phy->rx0_symbol_clk);
|
||||
clk_disable_unprepare(ss_phy->rx1_symbol_clk);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct phy_ops samsung_ufs_phy_ops = {
|
||||
.init = samsung_ufs_phy_init,
|
||||
.exit = samsung_ufs_phy_exit,
|
||||
.power_on = samsung_ufs_phy_power_on,
|
||||
.power_off = samsung_ufs_phy_power_off,
|
||||
.calibrate = samsung_ufs_phy_calibrate,
|
||||
.set_mode = samsung_ufs_phy_set_mode,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static const struct of_device_id samsung_ufs_phy_match[];
|
||||
|
||||
static int samsung_ufs_phy_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
const struct of_device_id *match;
|
||||
struct samsung_ufs_phy *phy;
|
||||
struct phy *gen_phy;
|
||||
struct phy_provider *phy_provider;
|
||||
const struct samsung_ufs_phy_drvdata *drvdata;
|
||||
int err = 0;
|
||||
|
||||
match = of_match_node(samsung_ufs_phy_match, dev->of_node);
|
||||
if (!match) {
|
||||
err = -EINVAL;
|
||||
dev_err(dev, "failed to get match_node\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
|
||||
if (!phy) {
|
||||
err = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
phy->reg_pma = devm_platform_ioremap_resource_byname(pdev, "phy-pma");
|
||||
if (IS_ERR(phy->reg_pma)) {
|
||||
err = PTR_ERR(phy->reg_pma);
|
||||
goto out;
|
||||
}
|
||||
|
||||
phy->reg_pmu = syscon_regmap_lookup_by_phandle(
|
||||
dev->of_node, "samsung,pmu-syscon");
|
||||
if (IS_ERR(phy->reg_pmu)) {
|
||||
err = PTR_ERR(phy->reg_pmu);
|
||||
dev_err(dev, "failed syscon remap for pmu\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
gen_phy = devm_phy_create(dev, NULL, &samsung_ufs_phy_ops);
|
||||
if (IS_ERR(gen_phy)) {
|
||||
err = PTR_ERR(gen_phy);
|
||||
dev_err(dev, "failed to create PHY for ufs-phy\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
drvdata = match->data;
|
||||
phy->dev = dev;
|
||||
phy->drvdata = drvdata;
|
||||
phy->cfg = (struct samsung_ufs_phy_cfg **)drvdata->cfg;
|
||||
phy->isol = &drvdata->isol;
|
||||
phy->lane_cnt = PHY_DEF_LANE_CNT;
|
||||
|
||||
phy_set_drvdata(gen_phy, phy);
|
||||
|
||||
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
|
||||
if (IS_ERR(phy_provider)) {
|
||||
err = PTR_ERR(phy_provider);
|
||||
dev_err(dev, "failed to register phy-provider\n");
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct of_device_id samsung_ufs_phy_match[] = {
|
||||
{
|
||||
.compatible = "samsung,exynos7-ufs-phy",
|
||||
.data = &exynos7_ufs_phy,
|
||||
},
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, samsung_ufs_phy_match);
|
||||
|
||||
static struct platform_driver samsung_ufs_phy_driver = {
|
||||
.probe = samsung_ufs_phy_probe,
|
||||
.driver = {
|
||||
.name = "samsung-ufs-phy",
|
||||
.of_match_table = samsung_ufs_phy_match,
|
||||
},
|
||||
};
|
||||
module_platform_driver(samsung_ufs_phy_driver);
|
||||
MODULE_DESCRIPTION("Samsung SoC UFS PHY Driver");
|
||||
MODULE_AUTHOR("Seungwon Jeon <essuuj@gmail.com>");
|
||||
MODULE_AUTHOR("Alim Akhtar <alim.akhtar@samsung.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
|
@ -0,0 +1,139 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* UFS PHY driver for Samsung EXYNOS SoC
|
||||
*
|
||||
* Copyright (C) 2020 Samsung Electronics Co., Ltd.
|
||||
* Author: Seungwon Jeon <essuuj@gmail.com>
|
||||
* Author: Alim Akhtar <alim.akhtar@samsung.com>
|
||||
*
|
||||
*/
|
||||
#ifndef _PHY_SAMSUNG_UFS_
|
||||
#define _PHY_SAMSUNG_UFS_
|
||||
|
||||
#define PHY_COMN_BLK 1
|
||||
#define PHY_TRSV_BLK 2
|
||||
#define END_UFS_PHY_CFG { 0 }
|
||||
#define PHY_TRSV_CH_OFFSET 0x30
|
||||
#define PHY_APB_ADDR(off) ((off) << 2)
|
||||
|
||||
#define PHY_COMN_REG_CFG(o, v, d) { \
|
||||
.off_0 = PHY_APB_ADDR((o)), \
|
||||
.off_1 = 0, \
|
||||
.val = (v), \
|
||||
.desc = (d), \
|
||||
.id = PHY_COMN_BLK, \
|
||||
}
|
||||
|
||||
#define PHY_TRSV_REG_CFG(o, v, d) { \
|
||||
.off_0 = PHY_APB_ADDR((o)), \
|
||||
.off_1 = PHY_APB_ADDR((o) + PHY_TRSV_CH_OFFSET), \
|
||||
.val = (v), \
|
||||
.desc = (d), \
|
||||
.id = PHY_TRSV_BLK, \
|
||||
}
|
||||
|
||||
/* UFS PHY registers */
|
||||
#define PHY_PLL_LOCK_STATUS 0x1e
|
||||
#define PHY_CDR_LOCK_STATUS 0x5e
|
||||
|
||||
#define PHY_PLL_LOCK_BIT BIT(5)
|
||||
#define PHY_CDR_LOCK_BIT BIT(4)
|
||||
|
||||
/* description for PHY calibration */
|
||||
enum {
|
||||
/* applicable to any */
|
||||
PWR_DESC_ANY = 0,
|
||||
/* mode */
|
||||
PWR_DESC_PWM = 1,
|
||||
PWR_DESC_HS = 2,
|
||||
/* series */
|
||||
PWR_DESC_SER_A = 1,
|
||||
PWR_DESC_SER_B = 2,
|
||||
/* gear */
|
||||
PWR_DESC_G1 = 1,
|
||||
PWR_DESC_G2 = 2,
|
||||
PWR_DESC_G3 = 3,
|
||||
/* field mask */
|
||||
MD_MASK = 0x3,
|
||||
SR_MASK = 0x3,
|
||||
GR_MASK = 0x7,
|
||||
};
|
||||
|
||||
#define PWR_MODE_HS_G1_ANY PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_ANY)
|
||||
#define PWR_MODE_HS_G1_SER_A PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_A)
|
||||
#define PWR_MODE_HS_G1_SER_B PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_B)
|
||||
#define PWR_MODE_HS_G2_ANY PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_ANY)
|
||||
#define PWR_MODE_HS_G2_SER_A PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_A)
|
||||
#define PWR_MODE_HS_G2_SER_B PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_B)
|
||||
#define PWR_MODE_HS_G3_ANY PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_ANY)
|
||||
#define PWR_MODE_HS_G3_SER_A PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_A)
|
||||
#define PWR_MODE_HS_G3_SER_B PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_B)
|
||||
#define PWR_MODE(g, s, m) ((((g) & GR_MASK) << 4) |\
|
||||
(((s) & SR_MASK) << 2) | ((m) & MD_MASK))
|
||||
#define PWR_MODE_PWM_ANY PWR_MODE(PWR_DESC_ANY,\
|
||||
PWR_DESC_ANY, PWR_DESC_PWM)
|
||||
#define PWR_MODE_HS(g, s) ((((g) & GR_MASK) << 4) |\
|
||||
(((s) & SR_MASK) << 2) | PWR_DESC_HS)
|
||||
#define PWR_MODE_HS_ANY PWR_MODE(PWR_DESC_ANY,\
|
||||
PWR_DESC_ANY, PWR_DESC_HS)
|
||||
#define PWR_MODE_ANY PWR_MODE(PWR_DESC_ANY,\
|
||||
PWR_DESC_ANY, PWR_DESC_ANY)
|
||||
/* PHY calibration point/state */
|
||||
enum {
|
||||
CFG_PRE_INIT,
|
||||
CFG_POST_INIT,
|
||||
CFG_PRE_PWR_HS,
|
||||
CFG_POST_PWR_HS,
|
||||
CFG_TAG_MAX,
|
||||
};
|
||||
|
||||
struct samsung_ufs_phy_cfg {
|
||||
u32 off_0;
|
||||
u32 off_1;
|
||||
u32 val;
|
||||
u8 desc;
|
||||
u8 id;
|
||||
};
|
||||
|
||||
struct samsung_ufs_phy_drvdata {
|
||||
const struct samsung_ufs_phy_cfg **cfg;
|
||||
struct pmu_isol {
|
||||
u32 offset;
|
||||
u32 mask;
|
||||
u32 en;
|
||||
} isol;
|
||||
bool has_symbol_clk;
|
||||
};
|
||||
|
||||
struct samsung_ufs_phy {
|
||||
struct device *dev;
|
||||
void __iomem *reg_pma;
|
||||
struct regmap *reg_pmu;
|
||||
struct clk *ref_clk;
|
||||
struct clk *ref_clk_parent;
|
||||
struct clk *tx0_symbol_clk;
|
||||
struct clk *rx0_symbol_clk;
|
||||
struct clk *rx1_symbol_clk;
|
||||
const struct samsung_ufs_phy_drvdata *drvdata;
|
||||
struct samsung_ufs_phy_cfg **cfg;
|
||||
const struct pmu_isol *isol;
|
||||
u8 lane_cnt;
|
||||
int ufs_phy_state;
|
||||
enum phy_mode mode;
|
||||
};
|
||||
|
||||
static inline struct samsung_ufs_phy *get_samsung_ufs_phy(struct phy *phy)
|
||||
{
|
||||
return (struct samsung_ufs_phy *)phy_get_drvdata(phy);
|
||||
}
|
||||
|
||||
static inline void samsung_ufs_phy_ctrl_isol(
|
||||
struct samsung_ufs_phy *phy, u32 isol)
|
||||
{
|
||||
regmap_update_bits(phy->reg_pmu, phy->isol->offset,
|
||||
phy->isol->mask, isol ? 0 : phy->isol->en);
|
||||
}
|
||||
|
||||
#include "phy-exynos7-ufs.h"
|
||||
|
||||
#endif /* _PHY_SAMSUNG_UFS_ */
|
|
@ -255,7 +255,7 @@ static struct platform_driver samsung_usb2_phy_driver = {
|
|||
};
|
||||
|
||||
module_platform_driver(samsung_usb2_phy_driver);
|
||||
MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC USB PHY driver");
|
||||
MODULE_DESCRIPTION("Samsung S5P/Exynos SoC USB PHY driver");
|
||||
MODULE_AUTHOR("Kamil Debski <k.debski@samsung.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_ALIAS("platform:samsung-usb2-phy");
|
||||
|
|
|
@ -327,7 +327,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
|
|||
if (IS_ERR(usbphyc->base))
|
||||
return PTR_ERR(usbphyc->base);
|
||||
|
||||
usbphyc->clk = devm_clk_get(dev, 0);
|
||||
usbphyc->clk = devm_clk_get(dev, NULL);
|
||||
if (IS_ERR(usbphyc->clk)) {
|
||||
ret = PTR_ERR(usbphyc->clk);
|
||||
dev_err(dev, "clk get failed: %d\n", ret);
|
||||
|
@ -340,7 +340,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
|
|||
return ret;
|
||||
}
|
||||
|
||||
usbphyc->rst = devm_reset_control_get(dev, 0);
|
||||
usbphyc->rst = devm_reset_control_get(dev, NULL);
|
||||
if (!IS_ERR(usbphyc->rst)) {
|
||||
reset_control_assert(usbphyc->rst);
|
||||
udelay(2);
|
||||
|
|
|
@ -82,17 +82,16 @@ static int dm816x_usb_phy_init(struct phy *x)
|
|||
{
|
||||
struct dm816x_usb_phy *phy = phy_get_drvdata(x);
|
||||
unsigned int val;
|
||||
int error;
|
||||
|
||||
if (clk_get_rate(phy->refclk) != 24000000)
|
||||
dev_warn(phy->dev, "nonstandard phy refclk\n");
|
||||
|
||||
/* Set PLL ref clock and put phys to sleep */
|
||||
error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
|
||||
DM816X_USB_CTRL_PHYCLKSRC |
|
||||
DM816X_USB_CTRL_PHYSLEEP1 |
|
||||
DM816X_USB_CTRL_PHYSLEEP0,
|
||||
0);
|
||||
regmap_update_bits(phy->syscon, phy->usb_ctrl,
|
||||
DM816X_USB_CTRL_PHYCLKSRC |
|
||||
DM816X_USB_CTRL_PHYSLEEP1 |
|
||||
DM816X_USB_CTRL_PHYSLEEP0,
|
||||
0);
|
||||
regmap_read(phy->syscon, phy->usb_ctrl, &val);
|
||||
if ((val & 3) != 0)
|
||||
dev_info(phy->dev,
|
||||
|
|
|
@ -337,7 +337,6 @@ static int ti_pipe3_power_on(struct phy *x)
|
|||
{
|
||||
u32 val;
|
||||
u32 mask;
|
||||
int ret;
|
||||
unsigned long rate;
|
||||
struct ti_pipe3 *phy = phy_get_drvdata(x);
|
||||
bool rx_pending = false;
|
||||
|
@ -355,8 +354,8 @@ static int ti_pipe3_power_on(struct phy *x)
|
|||
rate = rate / 1000000;
|
||||
mask = OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK;
|
||||
val = rate << OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT;
|
||||
ret = regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
|
||||
mask, val);
|
||||
regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
|
||||
mask, val);
|
||||
/*
|
||||
* For PCIe, TX and RX must be powered on simultaneously.
|
||||
* For USB and SATA, TX must be powered on before RX
|
||||
|
|
|
@ -0,0 +1,13 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
#
|
||||
# PHY drivers for Xilinx platforms
|
||||
#
|
||||
|
||||
config PHY_XILINX_ZYNQMP
|
||||
tristate "Xilinx ZynqMP PHY driver"
|
||||
depends on ARCH_ZYNQMP || COMPILE_TEST
|
||||
select GENERIC_PHY
|
||||
help
|
||||
Enable this to support ZynqMP High Speed Gigabit Transceiver
|
||||
that is part of ZynqMP SoC.
|
|
@ -0,0 +1,3 @@
|
|||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
obj-$(CONFIG_PHY_XILINX_ZYNQMP) += phy-zynqmp.o
|
|
@ -0,0 +1,993 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* phy-zynqmp.c - PHY driver for Xilinx ZynqMP GT.
|
||||
*
|
||||
* Copyright (C) 2018-2020 Xilinx Inc.
|
||||
*
|
||||
* Author: Anurag Kumar Vulisha <anuragku@xilinx.com>
|
||||
* Author: Subbaraya Sundeep <sundeep.lkml@gmail.com>
|
||||
* Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
||||
*
|
||||
* This driver is tested for USB, SATA and Display Port currently.
|
||||
* Other controllers PCIe and SGMII should also work but that is
|
||||
* experimental as of now.
|
||||
*/
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <dt-bindings/phy/phy.h>
|
||||
|
||||
/*
|
||||
* Lane Registers
|
||||
*/
|
||||
|
||||
/* TX De-emphasis parameters */
|
||||
#define L0_TX_ANA_TM_18 0x0048
|
||||
#define L0_TX_ANA_TM_118 0x01d8
|
||||
#define L0_TX_ANA_TM_118_FORCE_17_0 BIT(0)
|
||||
|
||||
/* DN Resistor calibration code parameters */
|
||||
#define L0_TXPMA_ST_3 0x0b0c
|
||||
#define L0_DN_CALIB_CODE 0x3f
|
||||
|
||||
/* PMA control parameters */
|
||||
#define L0_TXPMD_TM_45 0x0cb4
|
||||
#define L0_TXPMD_TM_48 0x0cc0
|
||||
#define L0_TXPMD_TM_45_OVER_DP_MAIN BIT(0)
|
||||
#define L0_TXPMD_TM_45_ENABLE_DP_MAIN BIT(1)
|
||||
#define L0_TXPMD_TM_45_OVER_DP_POST1 BIT(2)
|
||||
#define L0_TXPMD_TM_45_ENABLE_DP_POST1 BIT(3)
|
||||
#define L0_TXPMD_TM_45_OVER_DP_POST2 BIT(4)
|
||||
#define L0_TXPMD_TM_45_ENABLE_DP_POST2 BIT(5)
|
||||
|
||||
/* PCS control parameters */
|
||||
#define L0_TM_DIG_6 0x106c
|
||||
#define L0_TM_DIS_DESCRAMBLE_DECODER 0x0f
|
||||
#define L0_TX_DIG_61 0x00f4
|
||||
#define L0_TM_DISABLE_SCRAMBLE_ENCODER 0x0f
|
||||
|
||||
/* PLL Test Mode register parameters */
|
||||
#define L0_TM_PLL_DIG_37 0x2094
|
||||
#define L0_TM_COARSE_CODE_LIMIT 0x10
|
||||
|
||||
/* PLL SSC step size offsets */
|
||||
#define L0_PLL_SS_STEPS_0_LSB 0x2368
|
||||
#define L0_PLL_SS_STEPS_1_MSB 0x236c
|
||||
#define L0_PLL_SS_STEP_SIZE_0_LSB 0x2370
|
||||
#define L0_PLL_SS_STEP_SIZE_1 0x2374
|
||||
#define L0_PLL_SS_STEP_SIZE_2 0x2378
|
||||
#define L0_PLL_SS_STEP_SIZE_3_MSB 0x237c
|
||||
#define L0_PLL_STATUS_READ_1 0x23e4
|
||||
|
||||
/* SSC step size parameters */
|
||||
#define STEP_SIZE_0_MASK 0xff
|
||||
#define STEP_SIZE_1_MASK 0xff
|
||||
#define STEP_SIZE_2_MASK 0xff
|
||||
#define STEP_SIZE_3_MASK 0x3
|
||||
#define STEP_SIZE_SHIFT 8
|
||||
#define FORCE_STEP_SIZE 0x10
|
||||
#define FORCE_STEPS 0x20
|
||||
#define STEPS_0_MASK 0xff
|
||||
#define STEPS_1_MASK 0x07
|
||||
|
||||
/* Reference clock selection parameters */
|
||||
#define L0_Ln_REF_CLK_SEL(n) (0x2860 + (n) * 4)
|
||||
#define L0_REF_CLK_SEL_MASK 0x8f
|
||||
|
||||
/* Calibration digital logic parameters */
|
||||
#define L3_TM_CALIB_DIG19 0xec4c
|
||||
#define L3_CALIB_DONE_STATUS 0xef14
|
||||
#define L3_TM_CALIB_DIG18 0xec48
|
||||
#define L3_TM_CALIB_DIG19_NSW 0x07
|
||||
#define L3_TM_CALIB_DIG18_NSW 0xe0
|
||||
#define L3_TM_OVERRIDE_NSW_CODE 0x20
|
||||
#define L3_CALIB_DONE 0x02
|
||||
#define L3_NSW_SHIFT 5
|
||||
#define L3_NSW_PIPE_SHIFT 4
|
||||
#define L3_NSW_CALIB_SHIFT 3
|
||||
|
||||
#define PHY_REG_OFFSET 0x4000
|
||||
|
||||
/*
|
||||
* Global Registers
|
||||
*/
|
||||
|
||||
/* Refclk selection parameters */
|
||||
#define PLL_REF_SEL(n) (0x10000 + (n) * 4)
|
||||
#define PLL_FREQ_MASK 0x1f
|
||||
#define PLL_STATUS_LOCKED 0x10
|
||||
|
||||
/* Inter Connect Matrix parameters */
|
||||
#define ICM_CFG0 0x10010
|
||||
#define ICM_CFG1 0x10014
|
||||
#define ICM_CFG0_L0_MASK 0x07
|
||||
#define ICM_CFG0_L1_MASK 0x70
|
||||
#define ICM_CFG1_L2_MASK 0x07
|
||||
#define ICM_CFG2_L3_MASK 0x70
|
||||
#define ICM_CFG_SHIFT 4
|
||||
|
||||
/* Inter Connect Matrix allowed protocols */
|
||||
#define ICM_PROTOCOL_PD 0x0
|
||||
#define ICM_PROTOCOL_PCIE 0x1
|
||||
#define ICM_PROTOCOL_SATA 0x2
|
||||
#define ICM_PROTOCOL_USB 0x3
|
||||
#define ICM_PROTOCOL_DP 0x4
|
||||
#define ICM_PROTOCOL_SGMII 0x5
|
||||
|
||||
/* Test Mode common reset control parameters */
|
||||
#define TM_CMN_RST 0x10018
|
||||
#define TM_CMN_RST_EN 0x1
|
||||
#define TM_CMN_RST_SET 0x2
|
||||
#define TM_CMN_RST_MASK 0x3
|
||||
|
||||
/* Bus width parameters */
|
||||
#define TX_PROT_BUS_WIDTH 0x10040
|
||||
#define RX_PROT_BUS_WIDTH 0x10044
|
||||
#define PROT_BUS_WIDTH_10 0x0
|
||||
#define PROT_BUS_WIDTH_20 0x1
|
||||
#define PROT_BUS_WIDTH_40 0x2
|
||||
#define PROT_BUS_WIDTH_SHIFT 2
|
||||
|
||||
/* Number of GT lanes */
|
||||
#define NUM_LANES 4
|
||||
|
||||
/* SIOU SATA control register */
|
||||
#define SATA_CONTROL_OFFSET 0x0100
|
||||
|
||||
/* Total number of controllers */
|
||||
#define CONTROLLERS_PER_LANE 5
|
||||
|
||||
/* Protocol Type parameters */
|
||||
#define XPSGTR_TYPE_USB0 0 /* USB controller 0 */
|
||||
#define XPSGTR_TYPE_USB1 1 /* USB controller 1 */
|
||||
#define XPSGTR_TYPE_SATA_0 2 /* SATA controller lane 0 */
|
||||
#define XPSGTR_TYPE_SATA_1 3 /* SATA controller lane 1 */
|
||||
#define XPSGTR_TYPE_PCIE_0 4 /* PCIe controller lane 0 */
|
||||
#define XPSGTR_TYPE_PCIE_1 5 /* PCIe controller lane 1 */
|
||||
#define XPSGTR_TYPE_PCIE_2 6 /* PCIe controller lane 2 */
|
||||
#define XPSGTR_TYPE_PCIE_3 7 /* PCIe controller lane 3 */
|
||||
#define XPSGTR_TYPE_DP_0 8 /* Display Port controller lane 0 */
|
||||
#define XPSGTR_TYPE_DP_1 9 /* Display Port controller lane 1 */
|
||||
#define XPSGTR_TYPE_SGMII0 10 /* Ethernet SGMII controller 0 */
|
||||
#define XPSGTR_TYPE_SGMII1 11 /* Ethernet SGMII controller 1 */
|
||||
#define XPSGTR_TYPE_SGMII2 12 /* Ethernet SGMII controller 2 */
|
||||
#define XPSGTR_TYPE_SGMII3 13 /* Ethernet SGMII controller 3 */
|
||||
|
||||
/* Timeout values */
|
||||
#define TIMEOUT_US 1000
|
||||
|
||||
struct xpsgtr_dev;
|
||||
|
||||
/**
|
||||
* struct xpsgtr_ssc - structure to hold SSC settings for a lane
|
||||
* @refclk_rate: PLL reference clock frequency
|
||||
* @pll_ref_clk: value to be written to register for corresponding ref clk rate
|
||||
* @steps: number of steps of SSC (Spread Spectrum Clock)
|
||||
* @step_size: step size of each step
|
||||
*/
|
||||
struct xpsgtr_ssc {
|
||||
u32 refclk_rate;
|
||||
u8 pll_ref_clk;
|
||||
u32 steps;
|
||||
u32 step_size;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct xpsgtr_phy - representation of a lane
|
||||
* @phy: pointer to the kernel PHY device
|
||||
* @type: controller which uses this lane
|
||||
* @lane: lane number
|
||||
* @protocol: protocol in which the lane operates
|
||||
* @skip_phy_init: skip phy_init() if true
|
||||
* @dev: pointer to the xpsgtr_dev instance
|
||||
* @refclk: reference clock index
|
||||
*/
|
||||
struct xpsgtr_phy {
|
||||
struct phy *phy;
|
||||
u8 type;
|
||||
u8 lane;
|
||||
u8 protocol;
|
||||
bool skip_phy_init;
|
||||
struct xpsgtr_dev *dev;
|
||||
unsigned int refclk;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct xpsgtr_dev - representation of a ZynMP GT device
|
||||
* @dev: pointer to device
|
||||
* @serdes: serdes base address
|
||||
* @siou: siou base address
|
||||
* @gtr_mutex: mutex for locking
|
||||
* @phys: PHY lanes
|
||||
* @refclk_sscs: spread spectrum settings for the reference clocks
|
||||
* @tx_term_fix: fix for GT issue
|
||||
* @saved_icm_cfg0: stored value of ICM CFG0 register
|
||||
* @saved_icm_cfg1: stored value of ICM CFG1 register
|
||||
*/
|
||||
struct xpsgtr_dev {
|
||||
struct device *dev;
|
||||
void __iomem *serdes;
|
||||
void __iomem *siou;
|
||||
struct mutex gtr_mutex; /* mutex for locking */
|
||||
struct xpsgtr_phy phys[NUM_LANES];
|
||||
const struct xpsgtr_ssc *refclk_sscs[NUM_LANES];
|
||||
bool tx_term_fix;
|
||||
unsigned int saved_icm_cfg0;
|
||||
unsigned int saved_icm_cfg1;
|
||||
};
|
||||
|
||||
/*
|
||||
* Configuration Data
|
||||
*/
|
||||
|
||||
/* lookup table to hold all settings needed for a ref clock frequency */
|
||||
static const struct xpsgtr_ssc ssc_lookup[] = {
|
||||
{ 19200000, 0x05, 608, 264020 },
|
||||
{ 20000000, 0x06, 634, 243454 },
|
||||
{ 24000000, 0x07, 760, 168973 },
|
||||
{ 26000000, 0x08, 824, 143860 },
|
||||
{ 27000000, 0x09, 856, 86551 },
|
||||
{ 38400000, 0x0a, 1218, 65896 },
|
||||
{ 40000000, 0x0b, 634, 243454 },
|
||||
{ 52000000, 0x0c, 824, 143860 },
|
||||
{ 100000000, 0x0d, 1058, 87533 },
|
||||
{ 108000000, 0x0e, 856, 86551 },
|
||||
{ 125000000, 0x0f, 992, 119497 },
|
||||
{ 135000000, 0x10, 1070, 55393 },
|
||||
{ 150000000, 0x11, 792, 187091 }
|
||||
};
|
||||
|
||||
/*
|
||||
* I/O Accessors
|
||||
*/
|
||||
|
||||
static inline u32 xpsgtr_read(struct xpsgtr_dev *gtr_dev, u32 reg)
|
||||
{
|
||||
return readl(gtr_dev->serdes + reg);
|
||||
}
|
||||
|
||||
static inline void xpsgtr_write(struct xpsgtr_dev *gtr_dev, u32 reg, u32 value)
|
||||
{
|
||||
writel(value, gtr_dev->serdes + reg);
|
||||
}
|
||||
|
||||
static inline void xpsgtr_clr_set(struct xpsgtr_dev *gtr_dev, u32 reg,
|
||||
u32 clr, u32 set)
|
||||
{
|
||||
u32 value = xpsgtr_read(gtr_dev, reg);
|
||||
|
||||
value &= ~clr;
|
||||
value |= set;
|
||||
xpsgtr_write(gtr_dev, reg, value);
|
||||
}
|
||||
|
||||
static inline u32 xpsgtr_read_phy(struct xpsgtr_phy *gtr_phy, u32 reg)
|
||||
{
|
||||
void __iomem *addr = gtr_phy->dev->serdes
|
||||
+ gtr_phy->lane * PHY_REG_OFFSET + reg;
|
||||
|
||||
return readl(addr);
|
||||
}
|
||||
|
||||
static inline void xpsgtr_write_phy(struct xpsgtr_phy *gtr_phy,
|
||||
u32 reg, u32 value)
|
||||
{
|
||||
void __iomem *addr = gtr_phy->dev->serdes
|
||||
+ gtr_phy->lane * PHY_REG_OFFSET + reg;
|
||||
|
||||
writel(value, addr);
|
||||
}
|
||||
|
||||
static inline void xpsgtr_clr_set_phy(struct xpsgtr_phy *gtr_phy,
|
||||
u32 reg, u32 clr, u32 set)
|
||||
{
|
||||
void __iomem *addr = gtr_phy->dev->serdes
|
||||
+ gtr_phy->lane * PHY_REG_OFFSET + reg;
|
||||
|
||||
writel((readl(addr) & ~clr) | set, addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Hardware Configuration
|
||||
*/
|
||||
|
||||
/* Wait for the PLL to lock (with a timeout). */
|
||||
static int xpsgtr_wait_pll_lock(struct phy *phy)
|
||||
{
|
||||
struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
unsigned int timeout = TIMEOUT_US;
|
||||
int ret;
|
||||
|
||||
dev_dbg(gtr_dev->dev, "Waiting for PLL lock\n");
|
||||
|
||||
while (1) {
|
||||
u32 reg = xpsgtr_read_phy(gtr_phy, L0_PLL_STATUS_READ_1);
|
||||
|
||||
if ((reg & PLL_STATUS_LOCKED) == PLL_STATUS_LOCKED) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (--timeout == 0) {
|
||||
ret = -ETIMEDOUT;
|
||||
break;
|
||||
}
|
||||
|
||||
udelay(1);
|
||||
}
|
||||
|
||||
if (ret == -ETIMEDOUT)
|
||||
dev_err(gtr_dev->dev,
|
||||
"lane %u (type %u, protocol %u): PLL lock timeout\n",
|
||||
gtr_phy->lane, gtr_phy->type, gtr_phy->protocol);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Configure PLL and spread-sprectrum clock. */
|
||||
static void xpsgtr_configure_pll(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
const struct xpsgtr_ssc *ssc;
|
||||
u32 step_size;
|
||||
|
||||
ssc = gtr_phy->dev->refclk_sscs[gtr_phy->refclk];
|
||||
step_size = ssc->step_size;
|
||||
|
||||
xpsgtr_clr_set(gtr_phy->dev, PLL_REF_SEL(gtr_phy->lane),
|
||||
PLL_FREQ_MASK, ssc->pll_ref_clk);
|
||||
|
||||
/* Enable lane clock sharing, if required */
|
||||
if (gtr_phy->refclk != gtr_phy->lane) {
|
||||
/* Lane3 Ref Clock Selection Register */
|
||||
xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane),
|
||||
L0_REF_CLK_SEL_MASK, 1 << gtr_phy->refclk);
|
||||
}
|
||||
|
||||
/* SSC step size [7:0] */
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_0_LSB,
|
||||
STEP_SIZE_0_MASK, step_size & STEP_SIZE_0_MASK);
|
||||
|
||||
/* SSC step size [15:8] */
|
||||
step_size >>= STEP_SIZE_SHIFT;
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_1,
|
||||
STEP_SIZE_1_MASK, step_size & STEP_SIZE_1_MASK);
|
||||
|
||||
/* SSC step size [23:16] */
|
||||
step_size >>= STEP_SIZE_SHIFT;
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_2,
|
||||
STEP_SIZE_2_MASK, step_size & STEP_SIZE_2_MASK);
|
||||
|
||||
/* SSC steps [7:0] */
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_0_LSB,
|
||||
STEPS_0_MASK, ssc->steps & STEPS_0_MASK);
|
||||
|
||||
/* SSC steps [10:8] */
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_1_MSB,
|
||||
STEPS_1_MASK,
|
||||
(ssc->steps >> STEP_SIZE_SHIFT) & STEPS_1_MASK);
|
||||
|
||||
/* SSC step size [24:25] */
|
||||
step_size >>= STEP_SIZE_SHIFT;
|
||||
xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_3_MSB,
|
||||
STEP_SIZE_3_MASK, (step_size & STEP_SIZE_3_MASK) |
|
||||
FORCE_STEP_SIZE | FORCE_STEPS);
|
||||
}
|
||||
|
||||
/* Configure the lane protocol. */
|
||||
static void xpsgtr_lane_set_protocol(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
u8 protocol = gtr_phy->protocol;
|
||||
|
||||
switch (gtr_phy->lane) {
|
||||
case 0:
|
||||
xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L0_MASK, protocol);
|
||||
break;
|
||||
case 1:
|
||||
xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L1_MASK,
|
||||
protocol << ICM_CFG_SHIFT);
|
||||
break;
|
||||
case 2:
|
||||
xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L0_MASK, protocol);
|
||||
break;
|
||||
case 3:
|
||||
xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L1_MASK,
|
||||
protocol << ICM_CFG_SHIFT);
|
||||
break;
|
||||
default:
|
||||
/* We already checked 0 <= lane <= 3 */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Bypass (de)scrambler and 8b/10b decoder and encoder. */
|
||||
static void xpsgtr_bypass_scrambler_8b10b(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
xpsgtr_write_phy(gtr_phy, L0_TM_DIG_6, L0_TM_DIS_DESCRAMBLE_DECODER);
|
||||
xpsgtr_write_phy(gtr_phy, L0_TX_DIG_61, L0_TM_DISABLE_SCRAMBLE_ENCODER);
|
||||
}
|
||||
|
||||
/* DP-specific initialization. */
|
||||
static void xpsgtr_phy_init_dp(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_45,
|
||||
L0_TXPMD_TM_45_OVER_DP_MAIN |
|
||||
L0_TXPMD_TM_45_ENABLE_DP_MAIN |
|
||||
L0_TXPMD_TM_45_OVER_DP_POST1 |
|
||||
L0_TXPMD_TM_45_OVER_DP_POST2 |
|
||||
L0_TXPMD_TM_45_ENABLE_DP_POST2);
|
||||
xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_118,
|
||||
L0_TX_ANA_TM_118_FORCE_17_0);
|
||||
}
|
||||
|
||||
/* SATA-specific initialization. */
|
||||
static void xpsgtr_phy_init_sata(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
|
||||
xpsgtr_bypass_scrambler_8b10b(gtr_phy);
|
||||
|
||||
writel(gtr_phy->lane, gtr_dev->siou + SATA_CONTROL_OFFSET);
|
||||
}
|
||||
|
||||
/* SGMII-specific initialization. */
|
||||
static void xpsgtr_phy_init_sgmii(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
|
||||
/* Set SGMII protocol TX and RX bus width to 10 bits. */
|
||||
xpsgtr_write(gtr_dev, TX_PROT_BUS_WIDTH,
|
||||
PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
|
||||
xpsgtr_write(gtr_dev, RX_PROT_BUS_WIDTH,
|
||||
PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
|
||||
|
||||
xpsgtr_bypass_scrambler_8b10b(gtr_phy);
|
||||
}
|
||||
|
||||
/* Configure TX de-emphasis and margining for DP. */
|
||||
static void xpsgtr_phy_configure_dp(struct xpsgtr_phy *gtr_phy, unsigned int pre,
|
||||
unsigned int voltage)
|
||||
{
|
||||
static const u8 voltage_swing[4][4] = {
|
||||
{ 0x2a, 0x27, 0x24, 0x20 },
|
||||
{ 0x27, 0x23, 0x20, 0xff },
|
||||
{ 0x24, 0x20, 0xff, 0xff },
|
||||
{ 0xff, 0xff, 0xff, 0xff }
|
||||
};
|
||||
static const u8 pre_emphasis[4][4] = {
|
||||
{ 0x02, 0x02, 0x02, 0x02 },
|
||||
{ 0x01, 0x01, 0x01, 0xff },
|
||||
{ 0x00, 0x00, 0xff, 0xff },
|
||||
{ 0xff, 0xff, 0xff, 0xff }
|
||||
};
|
||||
|
||||
xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_48, voltage_swing[pre][voltage]);
|
||||
xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_18, pre_emphasis[pre][voltage]);
|
||||
}
|
||||
|
||||
/*
|
||||
* PHY Operations
|
||||
*/
|
||||
|
||||
static bool xpsgtr_phy_init_required(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
/*
|
||||
* As USB may save the snapshot of the states during hibernation, doing
|
||||
* phy_init() will put the USB controller into reset, resulting in the
|
||||
* losing of the saved snapshot. So try to avoid phy_init() for USB
|
||||
* except when gtr_phy->skip_phy_init is false (this happens when FPD is
|
||||
* shutdown during suspend or when gt lane is changed from current one)
|
||||
*/
|
||||
if (gtr_phy->protocol == ICM_PROTOCOL_USB && gtr_phy->skip_phy_init)
|
||||
return false;
|
||||
else
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
* There is a functional issue in the GT. The TX termination resistance can be
|
||||
* out of spec due to a issue in the calibration logic. This is the workaround
|
||||
* to fix it, required for XCZU9EG silicon.
|
||||
*/
|
||||
static int xpsgtr_phy_tx_term_fix(struct xpsgtr_phy *gtr_phy)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
u32 timeout = TIMEOUT_US;
|
||||
u32 nsw;
|
||||
|
||||
/* Enabling Test Mode control for CMN Rest */
|
||||
xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
|
||||
|
||||
/* Set Test Mode reset */
|
||||
xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
|
||||
|
||||
xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18, 0x00);
|
||||
xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, L3_TM_OVERRIDE_NSW_CODE);
|
||||
|
||||
/*
|
||||
* As a part of work around sequence for PMOS calibration fix,
|
||||
* we need to configure any lane ICM_CFG to valid protocol. This
|
||||
* will deassert the CMN_Resetn signal.
|
||||
*/
|
||||
xpsgtr_lane_set_protocol(gtr_phy);
|
||||
|
||||
/* Clear Test Mode reset */
|
||||
xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
|
||||
|
||||
dev_dbg(gtr_dev->dev, "calibrating...\n");
|
||||
|
||||
do {
|
||||
u32 reg = xpsgtr_read(gtr_dev, L3_CALIB_DONE_STATUS);
|
||||
|
||||
if ((reg & L3_CALIB_DONE) == L3_CALIB_DONE)
|
||||
break;
|
||||
|
||||
if (!--timeout) {
|
||||
dev_err(gtr_dev->dev, "calibration time out\n");
|
||||
return -ETIMEDOUT;
|
||||
}
|
||||
|
||||
udelay(1);
|
||||
} while (timeout > 0);
|
||||
|
||||
dev_dbg(gtr_dev->dev, "calibration done\n");
|
||||
|
||||
/* Reading NMOS Register Code */
|
||||
nsw = xpsgtr_read(gtr_dev, L0_TXPMA_ST_3) & L0_DN_CALIB_CODE;
|
||||
|
||||
/* Set Test Mode reset */
|
||||
xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
|
||||
|
||||
/* Writing NMOS register values back [5:3] */
|
||||
xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, nsw >> L3_NSW_CALIB_SHIFT);
|
||||
|
||||
/* Writing NMOS register value [2:0] */
|
||||
xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18,
|
||||
((nsw & L3_TM_CALIB_DIG19_NSW) << L3_NSW_SHIFT) |
|
||||
(1 << L3_NSW_PIPE_SHIFT));
|
||||
|
||||
/* Clear Test Mode reset */
|
||||
xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xpsgtr_phy_init(struct phy *phy)
|
||||
{
|
||||
struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
|
||||
struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock(>r_dev->gtr_mutex);
|
||||
|
||||
/* Skip initialization if not required. */
|
||||
if (!xpsgtr_phy_init_required(gtr_phy))
|
||||
goto out;
|
||||
|
||||
if (gtr_dev->tx_term_fix) {
|
||||
ret = xpsgtr_phy_tx_term_fix(gtr_phy);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
|
||||
gtr_dev->tx_term_fix = false;
|
||||
}
|
||||
|
||||
/* Enable coarse code saturation limiting logic. */
|
||||
xpsgtr_write_phy(gtr_phy, L0_TM_PLL_DIG_37, L0_TM_COARSE_CODE_LIMIT);
|
||||
|
||||
/*
|
||||
* Configure the PLL, the lane protocol, and perform protocol-specific
|
||||
* initialization.
|
||||
*/
|
||||
xpsgtr_configure_pll(gtr_phy);
|
||||
xpsgtr_lane_set_protocol(gtr_phy);
|
||||
|
||||
switch (gtr_phy->protocol) {
|
||||
case ICM_PROTOCOL_DP:
|
||||
xpsgtr_phy_init_dp(gtr_phy);
|
||||
break;
|
||||
|
||||
case ICM_PROTOCOL_SATA:
|
||||
xpsgtr_phy_init_sata(gtr_phy);
|
||||
break;
|
||||
|
||||
case ICM_PROTOCOL_SGMII:
|
||||
xpsgtr_phy_init_sgmii(gtr_phy);
|
||||
break;
|
||||
}
|
||||
|
||||
out:
|
||||
mutex_unlock(>r_dev->gtr_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int xpsgtr_phy_exit(struct phy *phy)
|
||||
{
|
||||
struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
|
||||
|
||||
gtr_phy->skip_phy_init = false;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xpsgtr_phy_power_on(struct phy *phy)
|
||||
{
|
||||
struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
|
||||
int ret = 0;
|
||||
|
||||
/*
|
||||
* Wait for the PLL to lock. For DP, only wait on DP0 to avoid
|
||||
* cumulating waits for both lanes. The user is expected to initialize
|
||||
* lane 0 last.
|
||||
*/
|
||||
if (gtr_phy->protocol != ICM_PROTOCOL_DP ||
|
||||
gtr_phy->type == XPSGTR_TYPE_DP_0)
|
||||
ret = xpsgtr_wait_pll_lock(phy);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int xpsgtr_phy_configure(struct phy *phy, union phy_configure_opts *opts)
|
||||
{
|
||||
struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
|
||||
|
||||
if (gtr_phy->protocol != ICM_PROTOCOL_DP)
|
||||
return 0;
|
||||
|
||||
xpsgtr_phy_configure_dp(gtr_phy, opts->dp.pre[0], opts->dp.voltage[0]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct phy_ops xpsgtr_phyops = {
|
||||
.init = xpsgtr_phy_init,
|
||||
.exit = xpsgtr_phy_exit,
|
||||
.power_on = xpsgtr_phy_power_on,
|
||||
.configure = xpsgtr_phy_configure,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
/*
|
||||
* OF Xlate Support
|
||||
*/
|
||||
|
||||
/* Set the lane type and protocol based on the PHY type and instance number. */
|
||||
static int xpsgtr_set_lane_type(struct xpsgtr_phy *gtr_phy, u8 phy_type,
|
||||
unsigned int phy_instance)
|
||||
{
|
||||
unsigned int num_phy_types;
|
||||
const int *phy_types;
|
||||
|
||||
switch (phy_type) {
|
||||
case PHY_TYPE_SATA: {
|
||||
static const int types[] = {
|
||||
XPSGTR_TYPE_SATA_0,
|
||||
XPSGTR_TYPE_SATA_1,
|
||||
};
|
||||
|
||||
phy_types = types;
|
||||
num_phy_types = ARRAY_SIZE(types);
|
||||
gtr_phy->protocol = ICM_PROTOCOL_SATA;
|
||||
break;
|
||||
}
|
||||
case PHY_TYPE_USB3: {
|
||||
static const int types[] = {
|
||||
XPSGTR_TYPE_USB0,
|
||||
XPSGTR_TYPE_USB1,
|
||||
};
|
||||
|
||||
phy_types = types;
|
||||
num_phy_types = ARRAY_SIZE(types);
|
||||
gtr_phy->protocol = ICM_PROTOCOL_USB;
|
||||
break;
|
||||
}
|
||||
case PHY_TYPE_DP: {
|
||||
static const int types[] = {
|
||||
XPSGTR_TYPE_DP_0,
|
||||
XPSGTR_TYPE_DP_1,
|
||||
};
|
||||
|
||||
phy_types = types;
|
||||
num_phy_types = ARRAY_SIZE(types);
|
||||
gtr_phy->protocol = ICM_PROTOCOL_DP;
|
||||
break;
|
||||
}
|
||||
case PHY_TYPE_PCIE: {
|
||||
static const int types[] = {
|
||||
XPSGTR_TYPE_PCIE_0,
|
||||
XPSGTR_TYPE_PCIE_1,
|
||||
XPSGTR_TYPE_PCIE_2,
|
||||
XPSGTR_TYPE_PCIE_3,
|
||||
};
|
||||
|
||||
phy_types = types;
|
||||
num_phy_types = ARRAY_SIZE(types);
|
||||
gtr_phy->protocol = ICM_PROTOCOL_PCIE;
|
||||
break;
|
||||
}
|
||||
case PHY_TYPE_SGMII: {
|
||||
static const int types[] = {
|
||||
XPSGTR_TYPE_SGMII0,
|
||||
XPSGTR_TYPE_SGMII1,
|
||||
XPSGTR_TYPE_SGMII2,
|
||||
XPSGTR_TYPE_SGMII3,
|
||||
};
|
||||
|
||||
phy_types = types;
|
||||
num_phy_types = ARRAY_SIZE(types);
|
||||
gtr_phy->protocol = ICM_PROTOCOL_SGMII;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (phy_instance >= num_phy_types)
|
||||
return -EINVAL;
|
||||
|
||||
gtr_phy->type = phy_types[phy_instance];
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Valid combinations of controllers and lanes (Interconnect Matrix).
|
||||
*/
|
||||
static const unsigned int icm_matrix[NUM_LANES][CONTROLLERS_PER_LANE] = {
|
||||
{ XPSGTR_TYPE_PCIE_0, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
|
||||
XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII0 },
|
||||
{ XPSGTR_TYPE_PCIE_1, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB0,
|
||||
XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII1 },
|
||||
{ XPSGTR_TYPE_PCIE_2, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
|
||||
XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII2 },
|
||||
{ XPSGTR_TYPE_PCIE_3, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB1,
|
||||
XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII3 }
|
||||
};
|
||||
|
||||
/* Translate OF phandle and args to PHY instance. */
|
||||
static struct phy *xpsgtr_xlate(struct device *dev,
|
||||
struct of_phandle_args *args)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
|
||||
struct xpsgtr_phy *gtr_phy;
|
||||
unsigned int phy_instance;
|
||||
unsigned int phy_lane;
|
||||
unsigned int phy_type;
|
||||
unsigned int refclk;
|
||||
unsigned int i;
|
||||
int ret;
|
||||
|
||||
if (args->args_count != 4) {
|
||||
dev_err(dev, "Invalid number of cells in 'phy' property\n");
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the PHY parameters from the OF arguments and derive the lane
|
||||
* type.
|
||||
*/
|
||||
phy_lane = args->args[0];
|
||||
if (phy_lane >= ARRAY_SIZE(gtr_dev->phys)) {
|
||||
dev_err(dev, "Invalid lane number %u\n", phy_lane);
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
gtr_phy = >r_dev->phys[phy_lane];
|
||||
phy_type = args->args[1];
|
||||
phy_instance = args->args[2];
|
||||
|
||||
ret = xpsgtr_set_lane_type(gtr_phy, phy_type, phy_instance);
|
||||
if (ret < 0) {
|
||||
dev_err(gtr_dev->dev, "Invalid PHY type and/or instance\n");
|
||||
return ERR_PTR(ret);
|
||||
}
|
||||
|
||||
refclk = args->args[3];
|
||||
if (refclk >= ARRAY_SIZE(gtr_dev->refclk_sscs) ||
|
||||
!gtr_dev->refclk_sscs[refclk]) {
|
||||
dev_err(dev, "Invalid reference clock number %u\n", refclk);
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
gtr_phy->refclk = refclk;
|
||||
|
||||
/*
|
||||
* Ensure that the Interconnect Matrix is obeyed, i.e a given lane type
|
||||
* is allowed to operate on the lane.
|
||||
*/
|
||||
for (i = 0; i < CONTROLLERS_PER_LANE; i++) {
|
||||
if (icm_matrix[phy_lane][i] == gtr_phy->type)
|
||||
return gtr_phy->phy;
|
||||
}
|
||||
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Power Management
|
||||
*/
|
||||
|
||||
static int __maybe_unused xpsgtr_suspend(struct device *dev)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
|
||||
|
||||
/* Save the snapshot ICM_CFG registers. */
|
||||
gtr_dev->saved_icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
|
||||
gtr_dev->saved_icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused xpsgtr_resume(struct device *dev)
|
||||
{
|
||||
struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
|
||||
unsigned int icm_cfg0, icm_cfg1;
|
||||
unsigned int i;
|
||||
bool skip_phy_init;
|
||||
|
||||
icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
|
||||
icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
|
||||
|
||||
/* Return if no GT lanes got configured before suspend. */
|
||||
if (!gtr_dev->saved_icm_cfg0 && !gtr_dev->saved_icm_cfg1)
|
||||
return 0;
|
||||
|
||||
/* Check if the ICM configurations changed after suspend. */
|
||||
if (icm_cfg0 == gtr_dev->saved_icm_cfg0 &&
|
||||
icm_cfg1 == gtr_dev->saved_icm_cfg1)
|
||||
skip_phy_init = true;
|
||||
else
|
||||
skip_phy_init = false;
|
||||
|
||||
/* Update the skip_phy_init for all gtr_phy instances. */
|
||||
for (i = 0; i < ARRAY_SIZE(gtr_dev->phys); i++)
|
||||
gtr_dev->phys[i].skip_phy_init = skip_phy_init;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dev_pm_ops xpsgtr_pm_ops = {
|
||||
SET_SYSTEM_SLEEP_PM_OPS(xpsgtr_suspend, xpsgtr_resume)
|
||||
};
|
||||
|
||||
/*
|
||||
* Probe & Platform Driver
|
||||
*/
|
||||
|
||||
static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev)
|
||||
{
|
||||
unsigned int refclk;
|
||||
|
||||
for (refclk = 0; refclk < ARRAY_SIZE(gtr_dev->refclk_sscs); ++refclk) {
|
||||
unsigned long rate;
|
||||
unsigned int i;
|
||||
struct clk *clk;
|
||||
char name[8];
|
||||
|
||||
snprintf(name, sizeof(name), "ref%u", refclk);
|
||||
clk = devm_clk_get_optional(gtr_dev->dev, name);
|
||||
if (IS_ERR(clk)) {
|
||||
if (PTR_ERR(clk) != -EPROBE_DEFER)
|
||||
dev_err(gtr_dev->dev,
|
||||
"Failed to get reference clock %u: %ld\n",
|
||||
refclk, PTR_ERR(clk));
|
||||
return PTR_ERR(clk);
|
||||
}
|
||||
|
||||
if (!clk)
|
||||
continue;
|
||||
|
||||
/*
|
||||
* Get the spread spectrum (SSC) settings for the reference
|
||||
* clock rate.
|
||||
*/
|
||||
rate = clk_get_rate(clk);
|
||||
|
||||
for (i = 0 ; i < ARRAY_SIZE(ssc_lookup); i++) {
|
||||
if (rate == ssc_lookup[i].refclk_rate) {
|
||||
gtr_dev->refclk_sscs[refclk] = &ssc_lookup[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i == ARRAY_SIZE(ssc_lookup)) {
|
||||
dev_err(gtr_dev->dev,
|
||||
"Invalid rate %lu for reference clock %u\n",
|
||||
rate, refclk);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xpsgtr_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device_node *np = pdev->dev.of_node;
|
||||
struct xpsgtr_dev *gtr_dev;
|
||||
struct phy_provider *provider;
|
||||
unsigned int port;
|
||||
int ret;
|
||||
|
||||
gtr_dev = devm_kzalloc(&pdev->dev, sizeof(*gtr_dev), GFP_KERNEL);
|
||||
if (!gtr_dev)
|
||||
return -ENOMEM;
|
||||
|
||||
gtr_dev->dev = &pdev->dev;
|
||||
platform_set_drvdata(pdev, gtr_dev);
|
||||
|
||||
mutex_init(>r_dev->gtr_mutex);
|
||||
|
||||
if (of_device_is_compatible(np, "xlnx,zynqmp-psgtr"))
|
||||
gtr_dev->tx_term_fix =
|
||||
of_property_read_bool(np, "xlnx,tx-termination-fix");
|
||||
|
||||
/* Acquire resources. */
|
||||
gtr_dev->serdes = devm_platform_ioremap_resource_byname(pdev, "serdes");
|
||||
if (IS_ERR(gtr_dev->serdes))
|
||||
return PTR_ERR(gtr_dev->serdes);
|
||||
|
||||
gtr_dev->siou = devm_platform_ioremap_resource_byname(pdev, "siou");
|
||||
if (IS_ERR(gtr_dev->siou))
|
||||
return PTR_ERR(gtr_dev->siou);
|
||||
|
||||
ret = xpsgtr_get_ref_clocks(gtr_dev);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* Create PHYs. */
|
||||
for (port = 0; port < ARRAY_SIZE(gtr_dev->phys); ++port) {
|
||||
struct xpsgtr_phy *gtr_phy = >r_dev->phys[port];
|
||||
struct phy *phy;
|
||||
|
||||
gtr_phy->lane = port;
|
||||
gtr_phy->dev = gtr_dev;
|
||||
|
||||
phy = devm_phy_create(&pdev->dev, np, &xpsgtr_phyops);
|
||||
if (IS_ERR(phy)) {
|
||||
dev_err(&pdev->dev, "failed to create PHY\n");
|
||||
return PTR_ERR(phy);
|
||||
}
|
||||
|
||||
gtr_phy->phy = phy;
|
||||
phy_set_drvdata(phy, gtr_phy);
|
||||
}
|
||||
|
||||
/* Register the PHY provider. */
|
||||
provider = devm_of_phy_provider_register(&pdev->dev, xpsgtr_xlate);
|
||||
if (IS_ERR(provider)) {
|
||||
dev_err(&pdev->dev, "registering provider failed\n");
|
||||
return PTR_ERR(provider);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id xpsgtr_of_match[] = {
|
||||
{ .compatible = "xlnx,zynqmp-psgtr", },
|
||||
{ .compatible = "xlnx,zynqmp-psgtr-v1.1", },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, xpsgtr_of_match);
|
||||
|
||||
static struct platform_driver xpsgtr_driver = {
|
||||
.probe = xpsgtr_probe,
|
||||
.driver = {
|
||||
.name = "xilinx-psgtr",
|
||||
.of_match_table = xpsgtr_of_match,
|
||||
.pm = &xpsgtr_pm_ops,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(xpsgtr_driver);
|
||||
|
||||
MODULE_AUTHOR("Xilinx Inc.");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_DESCRIPTION("Xilinx ZynqMP High speed Gigabit Transceiver");
|
|
@ -18,5 +18,6 @@
|
|||
#define PHY_TYPE_UFS 5
|
||||
#define PHY_TYPE_DP 6
|
||||
#define PHY_TYPE_XPCS 7
|
||||
#define PHY_TYPE_SGMII 8
|
||||
|
||||
#endif /* _DT_BINDINGS_PHY */
|
||||
|
|
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