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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:
groups:
description: The pin group to select.
enum: [
# For RT3050, RT3052 and RT3350 SoCs
i2c, jtag, mdio, rgmii, sdram, spi, uartf, uartlite,
# For RT3352 SoC
i2c, jtag, led, lna, mdio, pa, rgmii, spi, spi_cs1, uartf,
uartlite,
# For RT5350 SoC
i2c, jtag, led, spi, spi_cs1, uartf, uartlite,
]
function:
description: The mux function to select.
enum: [
# For RT3050, RT3052 and RT3350 SoCs
gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, mdio, pcm gpio,
pcm i2s, pcm uartf, rgmii, sdram, spi, uartf, uartlite,
# For RT3352 SoC
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,
# For RT5350 SoC
gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, pcm gpio,
pcm i2s, pcm uartf, spi, spi_cs1, uartf, uartlite, wdg_cs1,
]
required:
- groups
- function
additionalProperties: false
additionalProperties: false
allOf:
- $ref: "pinctrl.yaml#"
required:
- compatible
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt305x-pinctrl";
i2c_pins: i2c0-pins {
pinmux {
groups = "i2c";
function = "i2c";
};
};
};
|
