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# 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";
};
};
};
|
