dt-bindings: pinctrl: add binding for Ralink RT3883 pinctrl

Add binding for the Ralink RT3883 pin controller for RT3883 SoC.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20220414173916.5552-15-arinc.unal@arinc9.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Arınç ÜNAL 2022-04-14 20:39:16 +03:00 коммит произвёл Linus Walleij
Родитель b6a3a007a9
Коммит 69ab1e16d3
1 изменённых файлов: 71 добавлений и 0 удалений

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/ralink,rt3883-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Ralink RT3883 Pin Controller
maintainers:
- Arınç ÜNAL <arinc.unal@arinc9.com>
- Sergio Paracuellos <sergio.paracuellos@gmail.com>
description:
Ralink RT3883 pin controller for RT3883 SoC.
The pin controller can only set the muxing of pin groups. Muxing individual
pins is not supported. There is no pinconf support.
properties:
compatible:
const: ralink,rt3883-pinctrl
patternProperties:
'-pins$':
type: object
patternProperties:
'^(.*-)?pinmux$':
type: object
description: node for pinctrl.
$ref: pinmux-node.yaml#
properties:
groups:
description: The pin group to select.
enum: [ge1, ge2, i2c, jtag, lna a, lna g, mdio, pci, spi, uartf,
uartlite]
function:
description: The mux function to select.
enum: [ge1, ge2, gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag,
lna a, lna g, mdio, pci-dev, pci-fnc, pci-host1, pci-host2,
pcm gpio, pcm i2s, pcm uartf, spi, uartf, uartlite]
required:
- groups
- function
additionalProperties: false
additionalProperties: false
allOf:
- $ref: "pinctrl.yaml#"
required:
- compatible
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt3883-pinctrl";
i2c_pins: i2c0-pins {
pinmux {
groups = "i2c";
function = "i2c";
};
};
};