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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,rt305x-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Ralink RT305X Pin Controller
maintainers:
- Arınç ÜNAL <arinc.unal@arinc9.com>
- Sergio Paracuellos <sergio.paracuellos@gmail.com>
description:
Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350
SoCs.
The pin controller can only set the muxing of pin groups. Muxing individual
pins is not supported. There is no pinconf support.
properties:
compatible:
const: ralink,rt305x-pinctrl
patternProperties:
'-pins$':
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.
anyOf:
- description: For RT3050, RT3052 and RT3350 SoCs
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, mdio,
pcm gpio, pcm i2s, pcm uartf, rgmii, sdram, spi, uartf,
uartlite]
- description: For RT3352 SoC
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led,
lna, mdio, pa, pcm gpio, pcm i2s, pcm uartf, rgmii, spi,
spi_cs1, uartf, uartlite, wdg_cs1]
- description: For RT5350 SoC
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led,
pcm gpio, pcm i2s, pcm uartf, spi, spi_cs1, uartf,
uartlite, wdg_cs1]
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:
anyOf:
- description: For RT3050, RT3052 and RT3350 SoCs
enum: [i2c, jtag, mdio, rgmii, sdram, spi, uartf,
uartlite]
- description: For RT3352 SoC
enum: [i2c, jtag, led, lna, mdio, pa, rgmii, spi, spi_cs1,
uartf, uartlite]
- description: For RT5350 SoC
enum: [i2c, jtag, led, spi, spi_cs1, uartf, uartlite]
- if:
properties:
function:
const: gpio i2s
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: gpio uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c]
- if:
properties:
function:
const: i2s uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: jtag
then:
properties:
groups:
enum: [jtag]
- if:
properties:
function:
const: led
then:
properties:
groups:
enum: [led]
- if:
properties:
function:
const: lna
then:
properties:
groups:
enum: [lna]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: pa
then:
properties:
groups:
enum: [pa]
- if:
properties:
function:
const: pcm gpio
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: pcm i2s
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: pcm uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: rgmii
then:
properties:
groups:
enum: [rgmii]
- if:
properties:
function:
const: sdram
then:
properties:
groups:
enum: [sdram]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: spi_cs1
then:
properties:
groups:
enum: [spi_cs1]
- if:
properties:
function:
const: uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: uartlite
then:
properties:
groups:
enum: [uartlite]
- if:
properties:
function:
const: wdg_cs1
then:
properties:
groups:
enum: [spi_cs1]
additionalProperties: false
additionalProperties: false
allOf:
- $ref: "pinctrl.yaml#"
required:
- compatible
additionalProperties: false
examples:
- |
pinctrl {
compatible = "ralink,rt305x-pinctrl";
i2c_pins: i2c0-pins {
pinmux {
groups = "i2c";
function = "i2c";
};
};
};
|
