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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-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Ralink RT2880 Pin Controller
maintainers:
- Arınç ÜNAL <arinc.unal@arinc9.com>
- Sergio Paracuellos <sergio.paracuellos@gmail.com>
description:
Ralink RT2880 pin controller for RT2880 SoC.
The pin controller can only set the muxing of pin groups. Muxing individual
pins is not supported. There is no pinconf support.
properties:
compatible:
const: ralink,rt2880-pinctrl
patternProperties:
'-pins$':
type: object
patternProperties:
'^(.*-)?pinmux$':
type: object
description: node for pinctrl.
$ref: pinmux-node.yaml#
properties:
function:
description:
A string containing the name of the function to mux to the group.
enum: [gpio, i2c, spi, uartlite, jtag, mdio, sdram, pci]
groups:
description:
An array of strings. Each string contains the name of a group.
maxItems: 1
required:
- groups
- function
allOf:
- if:
properties:
function:
const: gpio
then:
properties:
groups:
enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: uartlite
then:
properties:
groups:
enum: [uartlite]
- if:
properties:
function:
const: jtag
then:
properties:
groups:
enum: [jtag]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: sdram
then:
properties:
groups:
enum: [sdram]
- if:
properties:
function:
const: pci
then:
properties:
groups:
enum: [pci]
additionalProperties: false
additionalProperties: false
allOf:
- $ref: "pinctrl.yaml#"
required:
- compatible
additionalProperties: false
examples:
- |
pinctrl {
compatible = "ralink,rt2880-pinctrl";
i2c_pins: i2c0-pins {
pinmux {
groups = "i2c";
function = "i2c";
};
};
};
|
