dt-bindings: pinctrl: add loongson-2 pinctrl

Add the Loongson-2 pinctrl binding with DT schema format using
json-schema.

Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Link: https://lore.kernel.org/r/20221114024942.8111-2-zhuyinbo@loongson.cn
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Yinbo Zhu 2022-11-14 10:49:42 +08:00 коммит произвёл Linus Walleij
Родитель f73f88acbc
Коммит 457ff9fb29
2 изменённых файлов: 131 добавлений и 0 удалений

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@ -0,0 +1,123 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/loongson,ls2k-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson-2 SoC Pinctrl Controller
maintainers:
- zhanghongchen <zhanghongchen@loongson.cn>
- Yinbo Zhu <zhuyinbo@loongson.cn>
allOf:
- $ref: pinctrl.yaml#
properties:
compatible:
const: loongson,ls2k-pinctrl
reg:
maxItems: 1
patternProperties:
'-pins$':
type: object
additionalProperties: false
patternProperties:
'pinmux$':
type: object
description: node for pinctrl.
$ref: pinmux-node.yaml#
unevaluatedProperties: false
properties:
groups:
description:
One or more groups of pins to mux to a certain function
items:
enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
nand, sata_led, i2s, hda]
function:
description:
The function that a group of pins is muxed to
enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
nand, sata_led, i2s, hda]
required:
- groups
- function
required:
- compatible
- reg
additionalProperties: false
examples:
- |
pctrl: pinctrl@1fe00420 {
compatible = "loongson,ls2k-pinctrl";
reg = <0x1fe00420 0x18>;
sdio_pins_default: sdio-pins {
sdio-pinmux {
groups = "sdio";
function = "sdio";
};
sdio-det-pinmux {
groups = "pwm2";
function = "gpio";
};
};
pwm1_pins_default: pwm1-pins {
pinmux {
groups = "pwm1";
function = "pwm1";
};
};
pwm0_pins_default: pwm0-pins {
pinmux {
groups = "pwm0";
function = "pwm0";
};
};
i2c1_pins_default: i2c1-pins {
pinmux {
groups = "i2c1";
function = "i2c1";
};
};
i2c0_pins_default: i2c0-pins {
pinmux {
groups = "i2c0";
function = "i2c0";
};
};
nand_pins_default: nand-pins {
pinmux {
groups = "nand";
function = "nand";
};
};
hda_pins_default: hda-pins {
grp0-pinmux {
groups = "hda";
function = "hda";
};
grp1-pinmux {
groups = "i2s";
function = "gpio";
};
};
};

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@ -12004,6 +12004,14 @@ F: drivers/*/*loongarch*
F: Documentation/loongarch/
F: Documentation/translations/zh_CN/loongarch/
LOONGSON-2 SOC SERIES PINCTRL DRIVER
M: zhanghongchen <zhanghongchen@loongson.cn>
M: Yinbo Zhu <zhuyinbo@loongson.cn>
L: linux-gpio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
F: drivers/pinctrl/pinctrl-loongson2.c
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
M: Sathya Prakash <sathya.prakash@broadcom.com>
M: Sreekanth Reddy <sreekanth.reddy@broadcom.com>