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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,rt2880-pinmux.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Ralink rt2880 pinmux controller
maintainers:
- Sergio Paracuellos <sergio.paracuellos@gmail.com>
description:
The rt2880 pinmux can only set the muxing of pin groups. muxing indiviual pins
is not supported. There is no pinconf support.
properties:
compatible:
enum:
- ralink,rt2880-pinmux
pinctrl-0:
description:
A phandle to the node containing the subnodes containing default
configurations. This is for pinctrl hogs.
pinctrl-names:
description:
A pinctrl state named "default" can be defined.
const: default
required:
- compatible
patternProperties:
'[a-z0-9_-]+':
if:
type: object
description: node for pinctrl.
$ref: "pinmux-node.yaml"
then:
properties:
groups:
description: Name of the pin group to use for the functions.
enum: [i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2, mdio,
pcie, sdhci]
function:
description: The mux function to select
enum: [gpio, i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2,
mdio, nand1, nand2, sdhci]
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt2880-pinmux";
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
state_default: pinctrl0 {
};
i2c_pins: i2c0 {
i2c0 {
groups = "i2c";
function = "i2c";
};
};
};
|
