From 13fbf3c8d0f750a52b9ddb9be7a8251789fb62b6 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 5 Feb 2015 11:11:24 +0100 Subject: [PATCH 01/21] drivers: bus: Sort Kconfig entries alphabetically Signed-off-by: Geert Uytterhoeven Tested-by: Ulrich Hecht Reviewed-by: Kevin Hilman Signed-off-by: Simon Horman --- drivers/bus/Kconfig | 44 ++++++++++++++++++++++---------------------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index b99729e36860..626960819e6d 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -4,6 +4,21 @@ menu "Bus devices" +config ARM_CCI + bool "ARM CCI driver support" + depends on ARM && OF && CPU_V7 + help + Driver supporting the CCI cache coherent interconnect for ARM + platforms. + +config ARM_CCN + bool "ARM CCN driver support" + depends on ARM || ARM64 + depends on PERF_EVENTS + help + PMU (perf) driver supporting the ARM CCN (Cache Coherent Network) + interconnect. + config BRCMSTB_GISB_ARB bool "Broadcom STB GISB bus arbiter" depends on ARM || MIPS @@ -27,6 +42,13 @@ config MVEBU_MBUS Driver needed for the MBus configuration on Marvell EBU SoCs (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). +config OMAP_INTERCONNECT + tristate "OMAP INTERCONNECT DRIVER" + depends on ARCH_OMAP2PLUS + + help + Driver to enable OMAP interconnect error handling driver. + config OMAP_OCP2SCP tristate "OMAP OCP2SCP DRIVER" depends on ARCH_OMAP2PLUS @@ -36,28 +58,6 @@ config OMAP_OCP2SCP OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via OCP2SCP. -config OMAP_INTERCONNECT - tristate "OMAP INTERCONNECT DRIVER" - depends on ARCH_OMAP2PLUS - - help - Driver to enable OMAP interconnect error handling driver. - -config ARM_CCI - bool "ARM CCI driver support" - depends on ARM && OF && CPU_V7 - help - Driver supporting the CCI cache coherent interconnect for ARM - platforms. - -config ARM_CCN - bool "ARM CCN driver support" - depends on ARM || ARM64 - depends on PERF_EVENTS - help - PMU (perf) driver supporting the ARM CCN (Cache Coherent Network) - interconnect. - config VEXPRESS_CONFIG bool "Versatile Express configuration bus" default y if ARCH_VEXPRESS From 6320c41198c76f799e3e34da48a1f2a88ef4cc68 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 5 Feb 2015 11:11:25 +0100 Subject: [PATCH 02/21] drivers: bus: Sort Makefile entries alphabetically Signed-off-by: Geert Uytterhoeven Tested-by: Ulrich Hecht Reviewed-by: Kevin Hilman Signed-off-by: Simon Horman --- drivers/bus/Makefile | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile index 2973c18cbcc2..3cfaf2c7f25a 100644 --- a/drivers/bus/Makefile +++ b/drivers/bus/Makefile @@ -2,16 +2,16 @@ # Makefile for the bus drivers. # -obj-$(CONFIG_BRCMSTB_GISB_ARB) += brcmstb_gisb.o -obj-$(CONFIG_IMX_WEIM) += imx-weim.o -obj-$(CONFIG_MVEBU_MBUS) += mvebu-mbus.o -obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o - -# Interconnect bus driver for OMAP SoCs. -obj-$(CONFIG_OMAP_INTERCONNECT) += omap_l3_smx.o omap_l3_noc.o - # Interconnect bus drivers for ARM platforms obj-$(CONFIG_ARM_CCI) += arm-cci.o obj-$(CONFIG_ARM_CCN) += arm-ccn.o +obj-$(CONFIG_BRCMSTB_GISB_ARB) += brcmstb_gisb.o +obj-$(CONFIG_IMX_WEIM) += imx-weim.o +obj-$(CONFIG_MVEBU_MBUS) += mvebu-mbus.o + +# Interconnect bus driver for OMAP SoCs. +obj-$(CONFIG_OMAP_INTERCONNECT) += omap_l3_smx.o omap_l3_noc.o + +obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress-config.o From 7e7c17f10484d3bad38ea4dddc98485a8a40e4aa Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 5 Feb 2015 11:11:26 +0100 Subject: [PATCH 03/21] drivers: bus: Add Simple Power-Managed Bus DT Bindings Signed-off-by: Geert Uytterhoeven Tested-by: Ulrich Hecht Reviewed-by: Kevin Hilman Signed-off-by: Simon Horman --- .../devicetree/bindings/bus/simple-pm-bus.txt | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/simple-pm-bus.txt diff --git a/Documentation/devicetree/bindings/bus/simple-pm-bus.txt b/Documentation/devicetree/bindings/bus/simple-pm-bus.txt new file mode 100644 index 000000000000..d032237512c2 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/simple-pm-bus.txt @@ -0,0 +1,44 @@ +Simple Power-Managed Bus +======================== + +A Simple Power-Managed Bus is a transparent bus that doesn't need a real +driver, as it's typically initialized by the boot loader. + +However, its bus controller is part of a PM domain, or under the control of a +functional clock. Hence, the bus controller's PM domain and/or clock must be +enabled for child devices connected to the bus (either on-SoC or externally) +to function. + +While "simple-pm-bus" follows the "simple-bus" set of properties, as specified +in ePAPR, it is not an extension of "simple-bus". + + +Required properties: + - compatible: Must contain at least "simple-pm-bus". + Must not contain "simple-bus". + It's recommended to let this be preceded by one or more + vendor-specific compatible values. + - #address-cells, #size-cells, ranges: Must describe the mapping between + parent address and child address spaces. + +Optional platform-specific properties for clock or PM domain control (at least +one of them is required): + - clocks: Must contain a reference to the functional clock(s), + - power-domains: Must contain a reference to the PM domain. +Please refer to the binding documentation for the clock and/or PM domain +providers for more details. + + +Example: + + bsc: bus@fec10000 { + compatible = "renesas,bsc-sh73a0", "renesas,bsc", + "simple-pm-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x20000000>; + reg = <0xfec10000 0x400>; + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&zb_clk>; + power-domains = <&pd_a4s>; + }; From b1e5bbd61eb7584caa61ab3b89f3a66c3d5b4dd3 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 5 Feb 2015 11:11:27 +0100 Subject: [PATCH 04/21] drivers: bus: Add Renesas Bus State Controller (BSC) DT Bindings The bindings for the BSC extend the bindings for "simple-pm-bus". Signed-off-by: Geert Uytterhoeven Reviewed-by: Kevin Hilman Signed-off-by: Simon Horman --- .../devicetree/bindings/bus/renesas,bsc.txt | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/renesas,bsc.txt diff --git a/Documentation/devicetree/bindings/bus/renesas,bsc.txt b/Documentation/devicetree/bindings/bus/renesas,bsc.txt new file mode 100644 index 000000000000..90e947269437 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/renesas,bsc.txt @@ -0,0 +1,46 @@ +Renesas Bus State Controller (BSC) +================================== + +The Renesas Bus State Controller (BSC, sometimes called "LBSC within Bus +Bridge", or "External Bus Interface") can be found in several Renesas ARM SoCs. +It provides an external bus for connecting multiple external devices to the +SoC, driving several chip select lines, for e.g. NOR FLASH, Ethernet and USB. + +While the BSC is a fairly simple memory-mapped bus, it may be part of a PM +domain, and may have a gateable functional clock. +Before a device connected to the BSC can be accessed, the PM domain +containing the BSC must be powered on, and the functional clock +driving the BSC must be enabled. + +The bindings for the BSC extend the bindings for "simple-pm-bus". + + +Required properties + - compatible: Must contain an SoC-specific value, and "renesas,bsc" and + "simple-pm-bus" as fallbacks. + SoC-specific values can be: + "renesas,bsc-r8a73a4" for R-Mobile APE6 (r8a73a4) + "renesas,bsc-sh73a0" for SH-Mobile AG5 (sh73a0) + - #address-cells, #size-cells, ranges: Must describe the mapping between + parent address and child address spaces. + - reg: Must contain the base address and length to access the bus controller. + +Optional properties: + - interrupts: Must contain a reference to the BSC interrupt, if available. + - clocks: Must contain a reference to the functional clock, if available. + - power-domains: Must contain a reference to the PM domain, if available. + + +Example: + + bsc: bus@fec10000 { + compatible = "renesas,bsc-sh73a0", "renesas,bsc", + "simple-pm-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x20000000>; + reg = <0xfec10000 0x400>; + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&zb_clk>; + power-domains = <&pd_a4s>; + }; From 89d463ea106dba530786a2815fd174f9e6eab71f Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 5 Feb 2015 11:11:28 +0100 Subject: [PATCH 05/21] drivers: bus: Add Simple Power-Managed Bus Driver Add a driver for transparent busses that don't need a real driver, but where the bus controller is part of a PM domain, or under the control of a functional clock. Typically, the bus controller's PM domain and/or clock must be enabled for child devices connected to the bus (either on-SoC or externally) to function. Hence the sole purpose of this driver is to enable its clock and PM domain (if exist(s)), which are specified in the DT and managed from platform and PM domain code, and to probe for child devices. Due to the child-parent relationship with devices connected to the bus, PM domain and clock state transitions are handled in the correct order. Signed-off-by: Geert Uytterhoeven Tested-by: Ulrich Hecht Reviewed-by: Kevin Hilman Signed-off-by: Simon Horman --- drivers/bus/Kconfig | 13 +++++++++ drivers/bus/Makefile | 1 + drivers/bus/simple-pm-bus.c | 58 +++++++++++++++++++++++++++++++++++++ 3 files changed, 72 insertions(+) create mode 100644 drivers/bus/simple-pm-bus.c diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 626960819e6d..7e9c2674af81 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -58,6 +58,19 @@ config OMAP_OCP2SCP OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via OCP2SCP. +config SIMPLE_PM_BUS + bool "Simple Power-Managed Bus Driver" + depends on OF && PM + depends on ARCH_SHMOBILE || COMPILE_TEST + help + Driver for transparent busses that don't need a real driver, but + where the bus controller is part of a PM domain, or under the control + of a functional clock, and thus relies on runtime PM for managing + this PM domain and/or clock. + An example of such a bus controller is the Renesas Bus State + Controller (BSC, sometimes called "LBSC within Bus Bridge", or + "External Bus Interface") as found on several Renesas ARM SoCs. + config VEXPRESS_CONFIG bool "Versatile Express configuration bus" default y if ARCH_VEXPRESS diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile index 3cfaf2c7f25a..e023a2bec664 100644 --- a/drivers/bus/Makefile +++ b/drivers/bus/Makefile @@ -14,4 +14,5 @@ obj-$(CONFIG_MVEBU_MBUS) += mvebu-mbus.o obj-$(CONFIG_OMAP_INTERCONNECT) += omap_l3_smx.o omap_l3_noc.o obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o +obj-$(CONFIG_SIMPLE_PM_BUS) += simple-pm-bus.o obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress-config.o diff --git a/drivers/bus/simple-pm-bus.c b/drivers/bus/simple-pm-bus.c new file mode 100644 index 000000000000..c5eb46cbf388 --- /dev/null +++ b/drivers/bus/simple-pm-bus.c @@ -0,0 +1,58 @@ +/* + * Simple Power-Managed Bus Driver + * + * Copyright (C) 2014-2015 Glider bvba + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include +#include +#include +#include + + +static int simple_pm_bus_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + + dev_dbg(&pdev->dev, "%s\n", __func__); + + pm_runtime_enable(&pdev->dev); + + if (np) + of_platform_populate(np, NULL, NULL, &pdev->dev); + + return 0; +} + +static int simple_pm_bus_remove(struct platform_device *pdev) +{ + dev_dbg(&pdev->dev, "%s\n", __func__); + + pm_runtime_disable(&pdev->dev); + return 0; +} + +static const struct of_device_id simple_pm_bus_of_match[] = { + { .compatible = "simple-pm-bus", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, simple_pm_bus_of_match); + +static struct platform_driver simple_pm_bus_driver = { + .probe = simple_pm_bus_probe, + .remove = simple_pm_bus_remove, + .driver = { + .name = "simple-pm-bus", + .of_match_table = simple_pm_bus_of_match, + }, +}; + +module_platform_driver(simple_pm_bus_driver); + +MODULE_DESCRIPTION("Simple Power-Managed Bus Driver"); +MODULE_AUTHOR("Geert Uytterhoeven "); +MODULE_LICENSE("GPL v2"); From 8c4892a633f08edbc54b6b59a673f76bd1cd7e94 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:45 +0100 Subject: [PATCH 06/21] ARM: shmobile: r8a7778: synchronize dts with reference platform This moves everything to the legacy dts that is missing there to make it suitable for use with multiplatform. Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Acked-by: Laurent Pinchart Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 106 ++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 46a884d45175..73472232fa3c 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -16,17 +16,123 @@ /dts-v1/; #include "r8a7778.dtsi" +#include +#include / { model = "bockw"; compatible = "renesas,bockw", "renesas,r8a7778"; + aliases { + serial0 = &scif0; + }; + chosen { bootargs = "console=ttySC0,115200 ignore_loglevel ip=dhcp root=/dev/nfs rw"; + stdout-path = &scif0; }; memory { device_type = "memory"; reg = <0x60000000 0x10000000>; }; + + fixedregulator3v3: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ethernet@18300000 { + compatible = "smsc,lan9220", "smsc,lan9115"; + reg = <0x18300000 0x1000>; + + phy-mode = "mii"; + interrupt-parent = <&irqpin>; + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; + reg-io-width = <4>; + vddvario-supply = <&fixedregulator3v3>; + vdd33a-supply = <&fixedregulator3v3>; + }; +}; + +&mmcif { + pinctrl-0 = <&mmc_pins>; + pinctrl-names = "default"; + + vmmc-supply = <&fixedregulator3v3>; + bus-width = <8>; + broken-cd; + status = "okay"; +}; + +&irqpin { + status = "okay"; +}; + +&tmu0 { + status = "okay"; +}; + +&pfc { + scif0_pins: serial0 { + renesas,groups = "scif0_data_a", "scif0_ctrl"; + renesas,function = "scif0"; + }; + + mmc_pins: mmc { + renesas,groups = "mmc_data8", "mmc_ctrl"; + renesas,function = "mmc"; + }; + + sdhi0_pins: sd0 { + renesas,groups = "sdhi0_data4", "sdhi0_ctrl", + "sdhi0_cd"; + renesas,function = "sdhi0"; + }; + + hspi0_pins: hspi0 { + renesas,groups = "hspi0_a"; + renesas,function = "hspi0"; + }; +}; + +&sdhi0 { + pinctrl-0 = <&sdhi0_pins>; + pinctrl-names = "default"; + + vmmc-supply = <&fixedregulator3v3>; + bus-width = <4>; + status = "okay"; + wp-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>; +}; + +&hspi0 { + pinctrl-0 = <&hspi0_pins>; + pinctrl-names = "default"; + status = "okay"; + + flash: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl008k"; + reg = <0>; + spi-max-frequency = <104000000>; + m25p,fast-read; + + partition@0 { + label = "data(spi)"; + reg = <0x00000000 0x00100000>; + }; + }; +}; + +&scif0 { + pinctrl-0 = <&scif0_pins>; + pinctrl-names = "default"; + + status = "okay"; }; From 83054671d28db9f1dbac1d3d1bf3b50b128e06ba Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:46 +0100 Subject: [PATCH 07/21] ARM: shmobile: r8a7778: add CPG register bits header Enumerates CPG driver custom clocks and MSTP clock enable bits. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- include/dt-bindings/clock/r8a7778-clock.h | 71 +++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 include/dt-bindings/clock/r8a7778-clock.h diff --git a/include/dt-bindings/clock/r8a7778-clock.h b/include/dt-bindings/clock/r8a7778-clock.h new file mode 100644 index 000000000000..f6b07c5399de --- /dev/null +++ b/include/dt-bindings/clock/r8a7778-clock.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2014 Ulrich Hecht + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DT_BINDINGS_CLOCK_R8A7778_H__ +#define __DT_BINDINGS_CLOCK_R8A7778_H__ + +/* CPG */ +#define R8A7778_CLK_PLLA 0 +#define R8A7778_CLK_PLLB 1 +#define R8A7778_CLK_B 2 +#define R8A7778_CLK_OUT 3 +#define R8A7778_CLK_P 4 +#define R8A7778_CLK_S 5 +#define R8A7778_CLK_S1 6 + +/* MSTP0 */ +#define R8A7778_CLK_I2C0 30 +#define R8A7778_CLK_I2C1 29 +#define R8A7778_CLK_I2C2 28 +#define R8A7778_CLK_I2C3 27 +#define R8A7778_CLK_SCIF0 26 +#define R8A7778_CLK_SCIF1 25 +#define R8A7778_CLK_SCIF2 24 +#define R8A7778_CLK_SCIF3 23 +#define R8A7778_CLK_SCIF4 22 +#define R8A7778_CLK_SCIF5 21 +#define R8A7778_CLK_TMU0 16 +#define R8A7778_CLK_TMU1 15 +#define R8A7778_CLK_TMU2 14 +#define R8A7778_CLK_SSI0 12 +#define R8A7778_CLK_SSI1 11 +#define R8A7778_CLK_SSI2 10 +#define R8A7778_CLK_SSI3 9 +#define R8A7778_CLK_SRU 8 +#define R8A7778_CLK_HSPI 7 + +/* MSTP1 */ +#define R8A7778_CLK_ETHER 14 +#define R8A7778_CLK_VIN0 10 +#define R8A7778_CLK_VIN1 9 +#define R8A7778_CLK_USB 0 + +/* MSTP3 */ +#define R8A7778_CLK_MMC 31 +#define R8A7778_CLK_SDHI0 23 +#define R8A7778_CLK_SDHI1 22 +#define R8A7778_CLK_SDHI2 21 +#define R8A7778_CLK_SSI4 11 +#define R8A7778_CLK_SSI5 10 +#define R8A7778_CLK_SSI6 9 +#define R8A7778_CLK_SSI7 8 +#define R8A7778_CLK_SSI8 7 + +/* MSTP5 */ +#define R8A7778_CLK_SRU_SRC0 31 +#define R8A7778_CLK_SRU_SRC1 30 +#define R8A7778_CLK_SRU_SRC2 29 +#define R8A7778_CLK_SRU_SRC3 28 +#define R8A7778_CLK_SRU_SRC4 27 +#define R8A7778_CLK_SRU_SRC5 26 +#define R8A7778_CLK_SRU_SRC6 25 +#define R8A7778_CLK_SRU_SRC7 24 +#define R8A7778_CLK_SRU_SRC8 23 + +#endif /* __DT_BINDINGS_CLOCK_R8A7778_H__ */ From 93aa970d2b0ce41efb7e5e6b94aaa66e8349a510 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:47 +0100 Subject: [PATCH 08/21] ARM: shmobile: r8a7778: Common clock framework DT description Declares all r8a7778 clocks supported by the legacy clock framework, plus tmu2. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Geert Uytterhoeven [horms: only included dtsi changes] Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778.dtsi | 191 +++++++++++++++++++++++++++++++++ 1 file changed, 191 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index ef8533910029..822ba9003138 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -16,6 +16,7 @@ /include/ "skeleton.dtsi" +#include #include / { @@ -294,4 +295,194 @@ #size-cells = <0>; status = "disabled"; }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* External input clock */ + extal_clk: extal_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "extal"; + }; + + /* Special CPG clocks */ + cpg_clocks: cpg_clocks@ffc80000 { + compatible = "renesas,r8a7778-cpg-clocks"; + reg = <0xffc80000 0x80>; + #clock-cells = <1>; + clocks = <&extal_clk>; + clock-output-names = "plla", "pllb", "b", + "out", "p", "s", "s1"; + }; + + /* Audio clocks; frequencies are set by boards if applicable. */ + audio_clk_a: audio_clk_a { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "audio_clk_a"; + }; + audio_clk_b: audio_clk_b { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "audio_clk_b"; + }; + audio_clk_c: audio_clk_c { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "audio_clk_c"; + }; + + /* Fixed ratio clocks */ + g_clk: g_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7778_CLK_PLLA>; + #clock-cells = <0>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "g"; + }; + i_clk: i_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7778_CLK_PLLA>; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "i"; + }; + s3_clk: s3_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7778_CLK_PLLA>; + #clock-cells = <0>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "s3"; + }; + s4_clk: s4_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7778_CLK_PLLA>; + #clock-cells = <0>; + clock-div = <8>; + clock-mult = <1>; + clock-output-names = "s4"; + }; + z_clk: z_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7778_CLK_PLLB>; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "z"; + }; + + /* Gate clocks */ + mstp0_clks: mstp0_clks@ffc80030 { + compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xffc80030 4>; + clocks = <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_S>; + #clock-cells = <1>; + clock-indices = < + R8A7778_CLK_I2C0 R8A7778_CLK_I2C1 + R8A7778_CLK_I2C2 R8A7778_CLK_I2C3 + R8A7778_CLK_SCIF0 R8A7778_CLK_SCIF1 + R8A7778_CLK_SCIF2 R8A7778_CLK_SCIF3 + R8A7778_CLK_SCIF4 R8A7778_CLK_SCIF5 + R8A7778_CLK_TMU0 R8A7778_CLK_TMU1 + R8A7778_CLK_TMU2 R8A7778_CLK_SSI0 + R8A7778_CLK_SSI1 R8A7778_CLK_SSI2 + R8A7778_CLK_SSI3 R8A7778_CLK_SRU + R8A7778_CLK_HSPI + >; + clock-output-names = + "i2c0", "i2c1", "i2c2", "i2c3", "scif0", + "scif1", "scif2", "scif3", "scif4", "scif5", + "tmu0", "tmu1", "tmu2", "ssi0", "ssi1", + "ssi2", "ssi3", "sru", "hspi"; + }; + mstp1_clks: mstp1_clks@ffc80034 { + compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xffc80034 4>, <0xffc80044 4>; + clocks = <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_S>, + <&cpg_clocks R8A7778_CLK_S>, + <&cpg_clocks R8A7778_CLK_P>; + #clock-cells = <1>; + clock-indices = < + R8A7778_CLK_ETHER R8A7778_CLK_VIN0 + R8A7778_CLK_VIN1 R8A7778_CLK_USB + >; + clock-output-names = + "ether", "vin0", "vin1", "usb"; + }; + mstp3_clks: mstp3_clks@ffc8003c { + compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xffc8003c 4>; + clocks = <&s4_clk>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>; + #clock-cells = <1>; + clock-indices = < + R8A7778_CLK_MMC R8A7778_CLK_SDHI0 + R8A7778_CLK_SDHI1 R8A7778_CLK_SDHI2 + R8A7778_CLK_SSI4 R8A7778_CLK_SSI5 + R8A7778_CLK_SSI6 R8A7778_CLK_SSI7 + R8A7778_CLK_SSI8 + >; + clock-output-names = + "mmc", "sdhi0", "sdhi1", "sdhi2", "ssi4", + "ssi5", "ssi6", "ssi7", "ssi8"; + }; + mstp5_clks: mstp5_clks@ffc80054 { + compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xffc80054 4>; + clocks = <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>, + <&cpg_clocks R8A7778_CLK_P>; + #clock-cells = <1>; + clock-indices = < + R8A7778_CLK_SRU_SRC0 R8A7778_CLK_SRU_SRC1 + R8A7778_CLK_SRU_SRC2 R8A7778_CLK_SRU_SRC3 + R8A7778_CLK_SRU_SRC4 R8A7778_CLK_SRU_SRC5 + R8A7778_CLK_SRU_SRC6 R8A7778_CLK_SRU_SRC7 + R8A7778_CLK_SRU_SRC8 + >; + clock-output-names = + "sru-src0", "sru-src1", "sru-src2", + "sru-src3", "sru-src4", "sru-src5", + "sru-src6", "sru-src7", "sru-src8"; + }; + }; }; From 43cbec8577cfd66713416c3ad33a9856edcaffb9 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:49 +0100 Subject: [PATCH 09/21] ARM: shmobile: r8a7778: implement SoC and board CCF support Disables the legacy clock framework and passes the mode bits to the CPG driver if CCF is enabled. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- .../arm/mach-shmobile/board-bockw-reference.c | 2 ++ arch/arm/mach-shmobile/setup-r8a7778.c | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c index d649ade4a202..9a74efda3d18 100644 --- a/arch/arm/mach-shmobile/board-bockw-reference.c +++ b/arch/arm/mach-shmobile/board-bockw-reference.c @@ -36,7 +36,9 @@ static void __init bockw_init(void) void __iomem *fpga; void __iomem *pfc; +#ifndef CONFIG_COMMON_CLK r8a7778_clock_init(); +#endif r8a7778_init_irq_extpin_dt(1); r8a7778_add_dt_devices(); diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index cef8895a9b82..c49aa094fe17 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -15,6 +15,7 @@ * GNU General Public License for more details. */ +#include #include #include #include @@ -41,6 +42,21 @@ #include "irqs.h" #include "r8a7778.h" +#define MODEMR 0xffcc0020 + +#ifdef CONFIG_COMMON_CLK +static void __init r8a7778_timer_init(void) +{ + u32 mode; + void __iomem *modemr = ioremap_nocache(MODEMR, 4); + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + r8a7778_clocks_init(mode); +} +#endif + /* SCIF */ #define R8A7778_SCIF(index, baseaddr, irq) \ static struct plat_sci_port scif##index##_platform_data = { \ @@ -608,6 +624,9 @@ DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)") .init_early = shmobile_init_delay, .init_irq = r8a7778_init_irq_dt, .init_late = shmobile_init_late, +#ifdef CONFIG_COMMON_CLK + .init_time = r8a7778_timer_init, +#endif .dt_compat = r8a7778_compat_dt, MACHINE_END From 66462be7c6f986903702505e98f42230e22bf4c7 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:50 +0100 Subject: [PATCH 10/21] ARM: shmobile: r8a7778: add MSTP clock assignments to DT Assigns clocks to i2c*, tmu*, scif*, mmcif, sdhi*, and hspi*. Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778.dtsi | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index 822ba9003138..5c347e8d7ded 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -133,6 +133,7 @@ compatible = "renesas,i2c-r8a7778"; reg = <0xffc70000 0x1000>; interrupts = <0 67 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_I2C0>; status = "disabled"; }; @@ -142,6 +143,7 @@ compatible = "renesas,i2c-r8a7778"; reg = <0xffc71000 0x1000>; interrupts = <0 78 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_I2C1>; status = "disabled"; }; @@ -151,6 +153,7 @@ compatible = "renesas,i2c-r8a7778"; reg = <0xffc72000 0x1000>; interrupts = <0 76 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_I2C2>; status = "disabled"; }; @@ -160,6 +163,7 @@ compatible = "renesas,i2c-r8a7778"; reg = <0xffc73000 0x1000>; interrupts = <0 77 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_I2C3>; status = "disabled"; }; @@ -169,6 +173,8 @@ interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>, <0 33 IRQ_TYPE_LEVEL_HIGH>, <0 34 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_TMU0>; + clock-names = "fck"; #renesas,channels = <3>; @@ -181,6 +187,8 @@ interrupts = <0 36 IRQ_TYPE_LEVEL_HIGH>, <0 37 IRQ_TYPE_LEVEL_HIGH>, <0 38 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_TMU1>; + clock-names = "fck"; #renesas,channels = <3>; @@ -193,6 +201,8 @@ interrupts = <0 40 IRQ_TYPE_LEVEL_HIGH>, <0 41 IRQ_TYPE_LEVEL_HIGH>, <0 42 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_TMU2>; + clock-names = "fck"; #renesas,channels = <3>; @@ -203,6 +213,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe40000 0x100>; interrupts = <0 70 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF0>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -210,6 +222,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe41000 0x100>; interrupts = <0 71 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF1>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -217,6 +231,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe42000 0x100>; interrupts = <0 72 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF2>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -224,6 +240,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe43000 0x100>; interrupts = <0 73 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF3>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -231,6 +249,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe44000 0x100>; interrupts = <0 74 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF4>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -238,6 +258,8 @@ compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe45000 0x100>; interrupts = <0 75 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_SCIF5>; + clock-names = "sci_ick"; status = "disabled"; }; @@ -245,6 +267,7 @@ compatible = "renesas,sh-mmcif"; reg = <0xffe4e000 0x100>; interrupts = <0 61 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7778_CLK_MMC>; status = "disabled"; }; @@ -252,6 +275,7 @@ compatible = "renesas,sdhi-r8a7778"; reg = <0xffe4c000 0x100>; interrupts = <0 87 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7778_CLK_SDHI0>; status = "disabled"; }; @@ -259,6 +283,7 @@ compatible = "renesas,sdhi-r8a7778"; reg = <0xffe4d000 0x100>; interrupts = <0 88 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7778_CLK_SDHI1>; status = "disabled"; }; @@ -266,6 +291,7 @@ compatible = "renesas,sdhi-r8a7778"; reg = <0xffe4f000 0x100>; interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7778_CLK_SDHI2>; status = "disabled"; }; @@ -273,6 +299,7 @@ compatible = "renesas,hspi-r8a7778", "renesas,hspi"; reg = <0xfffc7000 0x18>; interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_HSPI>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -282,6 +309,7 @@ compatible = "renesas,hspi-r8a7778", "renesas,hspi"; reg = <0xfffc8000 0x18>; interrupts = <0 84 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_HSPI>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -291,6 +319,7 @@ compatible = "renesas,hspi-r8a7778", "renesas,hspi"; reg = <0xfffc6000 0x18>; interrupts = <0 85 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_HSPI>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; From 05cabb839e87a69f94d1e97fd2300b70f688122b Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:52 +0100 Subject: [PATCH 11/21] ARM: shmobile: r8a7778: add internal ethernet controller to DT Internal Ethernet controller DT entry with clock information. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index 5c347e8d7ded..c802e72a73bd 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -41,6 +41,17 @@ spi2 = &hspi2; }; + ether: ethernet@fde00000 { + compatible = "renesas,ether-r8a7778"; + reg = <0xfde00000 0x400>; + interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp1_clks R8A7778_CLK_ETHER>; + phy-mode = "rmii"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + gic: interrupt-controller@fe438000 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; From 1898fe1952c2aeb847c4aa5b897605373f0498cf Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:53 +0100 Subject: [PATCH 12/21] ARM: shmobile: bockw: add USB, VIN pin descriptions to DT Adds pin control info for USB host and video-in devices. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 73472232fa3c..96cfcdc7b19b 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -98,6 +98,26 @@ renesas,groups = "hspi0_a"; renesas,function = "hspi0"; }; + + usb0_pins: usb0 { + renesas,groups = "usb0"; + renesas,function = "usb0"; + }; + + usb1_pins: usb1 { + renesas,groups = "usb1"; + renesas,function = "usb1"; + }; + + vin0_pins: vin0 { + renesas,groups = "vin0_data8", "vin0_clk"; + renesas,function = "vin0"; + }; + + vin1_pins: vin1 { + renesas,groups = "vin1_data8", "vin1_clk"; + renesas,function = "vin1"; + }; }; &sdhi0 { From d4578204e7af962c70a649ce2a46dc6fbe137db6 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:57 +0100 Subject: [PATCH 13/21] ARM: shmobile: r8a7778 dtsi: Add Bus State Controller node Add a node for the Bus State Controller (BSC) on r8a7778, to which multiple external devices can be connected. Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index c802e72a73bd..5d486b9390b8 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -41,6 +41,13 @@ spi2 = &hspi2; }; + bsc: bus@1c000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x1c000000>; + }; + ether: ethernet@fde00000 { compatible = "renesas,ether-r8a7778"; reg = <0xfde00000 0x400>; From 7d316faa193fed16079b35c57e0500be3cc6f0a5 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:58 +0100 Subject: [PATCH 14/21] ARM: shmobile: bockw dts: Move Ethernet node to BSC Move the Ethernet node to the new BSC node, as its connected to the Bus State Controller. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Geert Uytterhoeven [horms: dropped compat string changes as they seem out of scope] Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 96cfcdc7b19b..274a1b6fe329 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -45,7 +45,9 @@ regulator-boot-on; regulator-always-on; }; +}; +&bsc { ethernet@18300000 { compatible = "smsc,lan9220", "smsc,lan9115"; reg = <0x18300000 0x1000>; From a5dc23f6896005a18629b5c1be0e39a9f6090bf5 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Mon, 16 Feb 2015 17:58:59 +0100 Subject: [PATCH 15/21] ARM: shmobile: bockw dts: set extal clock frequency Sets the extal clock to the frequency of the oscillator installed by default (33 MHz). Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 274a1b6fe329..00119754f7f0 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -61,6 +61,10 @@ }; }; +&extal_clk { + clock-frequency = <33333333>; +}; + &mmcif { pinctrl-0 = <&mmc_pins>; pinctrl-names = "default"; From 6232c51cb370919b116e0aea38d12aa33aae2fa9 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:07 +0100 Subject: [PATCH 16/21] ARM: shmobile: r8a7778: common clock framework CPG driver Driver for the r8a7778's clocks that depend on the mode bits. Signed-off-by: Ulrich Hecht Acked-by: Laurent Pinchart Acked-by: Michael Turquette Signed-off-by: Simon Horman --- .../clock/renesas,r8a7778-cpg-clocks.txt | 25 +++ drivers/clk/shmobile/Makefile | 1 + drivers/clk/shmobile/clk-r8a7778.c | 143 ++++++++++++++++++ include/linux/clk/shmobile.h | 1 + 4 files changed, 170 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt create mode 100644 drivers/clk/shmobile/clk-r8a7778.c diff --git a/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt new file mode 100644 index 000000000000..2f3747fdcf1c --- /dev/null +++ b/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt @@ -0,0 +1,25 @@ +* Renesas R8A7778 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A7778. It includes two PLLs and +several fixed ratio dividers + +Required Properties: + + - compatible: Must be "renesas,r8a7778-cpg-clocks" + - reg: Base address and length of the memory resource used by the CPG + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are + "plla", "pllb", "b", "out", "p", "s", and "s1". + + +Example +------- + + cpg_clocks: cpg_clocks@ffc80000 { + compatible = "renesas,r8a7778-cpg-clocks"; + reg = <0xffc80000 0x80>; + #clock-cells = <1>; + clocks = <&extal_clk>; + clock-output-names = "plla", "pllb", "b", + "out", "p", "s", "s1"; + }; diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/shmobile/Makefile index 0689d7fb2666..97c71c885e4f 100644 --- a/drivers/clk/shmobile/Makefile +++ b/drivers/clk/shmobile/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_ARCH_EMEV2) += clk-emev2.o obj-$(CONFIG_ARCH_R7S72100) += clk-rz.o obj-$(CONFIG_ARCH_R8A73A4) += clk-r8a73a4.o obj-$(CONFIG_ARCH_R8A7740) += clk-r8a7740.o +obj-$(CONFIG_ARCH_R8A7778) += clk-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += clk-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += clk-rcar-gen2.o obj-$(CONFIG_ARCH_R8A7791) += clk-rcar-gen2.o diff --git a/drivers/clk/shmobile/clk-r8a7778.c b/drivers/clk/shmobile/clk-r8a7778.c new file mode 100644 index 000000000000..cb33b57274bf --- /dev/null +++ b/drivers/clk/shmobile/clk-r8a7778.c @@ -0,0 +1,143 @@ +/* + * r8a7778 Core CPG Clocks + * + * Copyright (C) 2014 Ulrich Hecht + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + */ + +#include +#include +#include +#include + +struct r8a7778_cpg { + struct clk_onecell_data data; + spinlock_t lock; + void __iomem *reg; +}; + +/* PLL multipliers per bits 11, 12, and 18 of MODEMR */ +struct { + unsigned long plla_mult; + unsigned long pllb_mult; +} r8a7778_rates[] __initdata = { + [0] = { 21, 21 }, + [1] = { 24, 24 }, + [2] = { 28, 28 }, + [3] = { 32, 32 }, + [5] = { 24, 21 }, + [6] = { 28, 21 }, + [7] = { 32, 24 }, +}; + +/* Clock dividers per bits 1 and 2 of MODEMR */ +struct { + const char *name; + unsigned int div[4]; +} r8a7778_divs[6] __initdata = { + { "b", { 12, 12, 16, 18 } }, + { "out", { 12, 12, 16, 18 } }, + { "p", { 16, 12, 16, 12 } }, + { "s", { 4, 3, 4, 3 } }, + { "s1", { 8, 6, 8, 6 } }, +}; + +static u32 cpg_mode_rates __initdata; +static u32 cpg_mode_divs __initdata; + +static struct clk * __init +r8a7778_cpg_register_clock(struct device_node *np, struct r8a7778_cpg *cpg, + const char *name) +{ + if (!strcmp(name, "plla")) { + return clk_register_fixed_factor(NULL, "plla", + of_clk_get_parent_name(np, 0), 0, + r8a7778_rates[cpg_mode_rates].plla_mult, 1); + } else if (!strcmp(name, "pllb")) { + return clk_register_fixed_factor(NULL, "pllb", + of_clk_get_parent_name(np, 0), 0, + r8a7778_rates[cpg_mode_rates].pllb_mult, 1); + } else { + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(r8a7778_divs); i++) { + if (!strcmp(name, r8a7778_divs[i].name)) { + return clk_register_fixed_factor(NULL, + r8a7778_divs[i].name, + "plla", 0, 1, + r8a7778_divs[i].div[cpg_mode_divs]); + } + } + } + + return ERR_PTR(-EINVAL); +} + + +static void __init r8a7778_cpg_clocks_init(struct device_node *np) +{ + struct r8a7778_cpg *cpg; + struct clk **clks; + unsigned int i; + int num_clks; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + cpg = kzalloc(sizeof(*cpg), GFP_KERNEL); + clks = kcalloc(num_clks, sizeof(*clks), GFP_KERNEL); + if (cpg == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + spin_lock_init(&cpg->lock); + + cpg->data.clks = clks; + cpg->data.clk_num = num_clks; + + cpg->reg = of_iomap(np, 0); + if (WARN_ON(cpg->reg == NULL)) + return; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = r8a7778_cpg_register_clock(np, cpg, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %s %s clock (%ld)\n", + __func__, np->name, name, PTR_ERR(clk)); + else + cpg->data.clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); +} + +CLK_OF_DECLARE(r8a7778_cpg_clks, "renesas,r8a7778-cpg-clocks", + r8a7778_cpg_clocks_init); + +void __init r8a7778_clocks_init(u32 mode) +{ + BUG_ON(!(mode & BIT(19))); + + cpg_mode_rates = (!!(mode & BIT(18)) << 2) | + (!!(mode & BIT(12)) << 1) | + (!!(mode & BIT(11))); + cpg_mode_divs = (!!(mode & BIT(2)) << 1) | + (!!(mode & BIT(1))); + + of_clk_init(NULL); +} diff --git a/include/linux/clk/shmobile.h b/include/linux/clk/shmobile.h index 9f8a14041dd5..63a8159c4e64 100644 --- a/include/linux/clk/shmobile.h +++ b/include/linux/clk/shmobile.h @@ -16,6 +16,7 @@ #include +void r8a7778_clocks_init(u32 mode); void r8a7779_clocks_init(u32 mode); void rcar_gen2_clocks_init(u32 mode); From 6f82fae2f4a3fc4bee26a3a1e9db74e18ee67b52 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:08 +0100 Subject: [PATCH 17/21] DT: i2c: add trivial binding for OKI ML86V7667 video decoder Signed-off-by: Ulrich Hecht Acked-by: Wolfram Sang Signed-off-by: Simon Horman --- Documentation/devicetree/bindings/i2c/trivial-devices.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt index aaa8325004d2..7cbd62ba1f6c 100644 --- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt +++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt @@ -77,6 +77,7 @@ nxp,pca9556 Octal SMBus and I2C registered interface nxp,pca9557 8-bit I2C-bus and SMBus I/O port with reset nxp,pcf8563 Real-time clock/calendar nxp,pcf85063 Tiny Real-Time Clock +oki,ml86v7667 OKI ML86V7667 video decoder ovti,ov5642 OV5642: Color CMOS QSXGA (5-megapixel) Image Sensor with OmniBSI and Embedded TrueFocus pericom,pt7c4338 Real-time Clock Module plx,pex8648 48-Lane, 12-Port PCI Express Gen 2 (5.0 GT/s) Switch From 95e7381b1a6dec04b17aea3fd839c4ada8c96f28 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:09 +0100 Subject: [PATCH 18/21] ARM: shmobile: bockw: add devices hooked up to i2c0 to DT Cameras, RTC, and ak4643 sound codec. Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Acked-by: Laurent Pinchart Acked-by: Wolfram Sang Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 00119754f7f0..646383a489a0 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -65,6 +65,31 @@ clock-frequency = <33333333>; }; +&i2c0 { + status = "okay"; + + ak4643: sound-codec@12 { + compatible = "asahi-kasei,ak4643"; + #sound-dai-cells = <0>; + reg = <0x12>; + }; + + camera@41 { + compatible = "oki,ml86v7667"; + reg = <0x41>; + }; + + camera@43 { + compatible = "oki,ml86v7667"; + reg = <0x43>; + }; + + rx8581: rtc@51 { + compatible = "epson,rx8581"; + reg = <0x51>; + }; +}; + &mmcif { pinctrl-0 = <&mmc_pins>; pinctrl-names = "default"; From 39a96792c5d351e002fadbdaaba5fc0c20450f1d Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:11 +0100 Subject: [PATCH 19/21] ARM: shmobile: r8a7778: add sound to DT Adds an entry for an R-Car Gen. 1 sound controller. Signed-off-by: Ulrich Hecht [horms: Removed undocumented "renesas,rcar_sound" compat string] Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778.dtsi | 55 ++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index 5d486b9390b8..868f97309533 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -227,6 +227,61 @@ status = "disabled"; }; + rcar_sound: sound@ffd90000 { + #sound-dai-cells = <1>; + compatible = "renesas,rcar_sound-r8a7778", "renesas,rcar_sound-gen1"; + reg = <0xffd90000 0x1000>, /* SRU */ + <0xffd91000 0x1240>, /* SSI */ + <0xfffe0000 0x24>; /* ADG */ + clocks = <&mstp3_clks R8A7778_CLK_SSI8>, + <&mstp3_clks R8A7778_CLK_SSI7>, + <&mstp3_clks R8A7778_CLK_SSI6>, + <&mstp3_clks R8A7778_CLK_SSI5>, + <&mstp3_clks R8A7778_CLK_SSI4>, + <&mstp0_clks R8A7778_CLK_SSI3>, + <&mstp0_clks R8A7778_CLK_SSI2>, + <&mstp0_clks R8A7778_CLK_SSI1>, + <&mstp0_clks R8A7778_CLK_SSI0>, + <&mstp5_clks R8A7778_CLK_SRU_SRC8>, + <&mstp5_clks R8A7778_CLK_SRU_SRC7>, + <&mstp5_clks R8A7778_CLK_SRU_SRC6>, + <&mstp5_clks R8A7778_CLK_SRU_SRC5>, + <&mstp5_clks R8A7778_CLK_SRU_SRC4>, + <&mstp5_clks R8A7778_CLK_SRU_SRC3>, + <&mstp5_clks R8A7778_CLK_SRU_SRC2>, + <&mstp5_clks R8A7778_CLK_SRU_SRC1>, + <&mstp5_clks R8A7778_CLK_SRU_SRC0>, + <&audio_clk_a>, <&audio_clk_b>, <&audio_clk_c>, + <&cpg_clocks R8A7778_CLK_S1>; + clock-names = "ssi.8", "ssi.7", "ssi.6", "ssi.5", "ssi.4", + "ssi.3", "ssi.2", "ssi.1", "ssi.0", + "src.8", "src.7", "src.6", "src.5", "src.4", + "src.3", "src.2", "src.1", "src.0", + "clk_a", "clk_b", "clk_c", "clk_i"; + + status = "disabled"; + + rcar_sound,src { + src3: src@3 { }; + src4: src@4 { }; + src5: src@5 { }; + src6: src@6 { }; + src7: src@7 { }; + src8: src@8 { }; + src9: src@9 { }; + }; + + rcar_sound,ssi { + ssi3: ssi@3 { interrupts = <0 0x85 IRQ_TYPE_LEVEL_HIGH>; }; + ssi4: ssi@4 { interrupts = <0 0x85 IRQ_TYPE_LEVEL_HIGH>; }; + ssi5: ssi@5 { interrupts = <0 0x86 IRQ_TYPE_LEVEL_HIGH>; }; + ssi6: ssi@6 { interrupts = <0 0x86 IRQ_TYPE_LEVEL_HIGH>; }; + ssi7: ssi@7 { interrupts = <0 0x86 IRQ_TYPE_LEVEL_HIGH>; }; + ssi8: ssi@8 { interrupts = <0 0x86 IRQ_TYPE_LEVEL_HIGH>; }; + ssi9: ssi@9 { interrupts = <0 0x86 IRQ_TYPE_LEVEL_HIGH>; }; + }; + }; + scif0: serial@ffe40000 { compatible = "renesas,scif-r8a7778", "renesas,scif"; reg = <0xffe40000 0x100>; From ba32449535c57b7cc4da788326c6ae4908b70268 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:12 +0100 Subject: [PATCH 20/21] ARM: shmobile: bockw: add sound to DT Adds sound card using the ak4643 codec. Signed-off-by: Ulrich Hecht Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7778-bockw.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts index 646383a489a0..787fa6f9f46d 100644 --- a/arch/arm/boot/dts/r8a7778-bockw.dts +++ b/arch/arm/boot/dts/r8a7778-bockw.dts @@ -45,6 +45,23 @@ regulator-boot-on; regulator-always-on; }; + + sound { + compatible = "simple-audio-card"; + + simple-audio-card,format = "left_j"; + simple-audio-card,bitclock-master = <&sndcodec>; + simple-audio-card,frame-master = <&sndcodec>; + + sndcpu: simple-audio-card,cpu { + sound-dai = <&rcar_sound>; + }; + + sndcodec: simple-audio-card,codec { + sound-dai = <&ak4643>; + system-clock-frequency = <11289600>; + }; + }; }; &bsc { From 3915d36fabf143dffdf91c5372d3b0a23722af52 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 26 Feb 2015 17:42:13 +0100 Subject: [PATCH 21/21] ARM: shmobile: r8a7778: enable multiplatform target Adds config option and enables DTB building. Signed-off-by: Ulrich Hecht Acked-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/Makefile | 1 + arch/arm/mach-shmobile/Kconfig | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index a1c776b8dcec..c4677313ae95 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -478,6 +478,7 @@ dtb-$(CONFIG_ARCH_SHMOBILE_MULTI) += \ r7s72100-genmai.dtb \ r8a73a4-ape6evm.dtb \ r8a7740-armadillo800eva.dtb \ + r8a7778-bockw.dtb \ r8a7779-marzen.dtb \ r8a7790-lager.dtb \ r8a7791-henninger.dtb \ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 2f36c85eec4b..2fb072e760d8 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -62,6 +62,10 @@ config ARCH_R8A7740 select ARCH_RMOBILE select RENESAS_INTC_IRQPIN +config ARCH_R8A7778 + bool "R-Car M1A (R8A77781)" + select ARCH_RCAR_GEN1 + config ARCH_R8A7779 bool "R-Car H1 (R8A77790)" select ARCH_RCAR_GEN1