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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: [
# common
i2c, jtag, led, mdio, rgmii, spi, spi_cs1, uartf, uartlite,
# For RT3050, RT3052 and RT3350 SoCs
sdram,
# For RT3352 SoC
lna, pa
]
function:
description: The mux function to select.
enum: [
# common
gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, mdio,
pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1, uartf,
uartlite, wdg_cs1,
# For RT3050, RT3052 and RT3350 SoCs
sdram,
# For RT3352 SoC
lna, pa
]
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";
};
};
};
|
