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Add binding for the Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350 SoCs. Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20220414173916.5552-14-arinc.unal@arinc9.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
93 lines
2.4 KiB
YAML
93 lines
2.4 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/ralink,rt305x-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Ralink RT305X Pin Controller
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maintainers:
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- Arınç ÜNAL <arinc.unal@arinc9.com>
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- Sergio Paracuellos <sergio.paracuellos@gmail.com>
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description:
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Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350
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SoCs.
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The pin controller can only set the muxing of pin groups. Muxing individual
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pins is not supported. There is no pinconf support.
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properties:
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compatible:
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const: ralink,rt305x-pinctrl
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patternProperties:
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'-pins$':
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type: object
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patternProperties:
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'^(.*-)?pinmux$':
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type: object
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description: node for pinctrl.
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$ref: pinmux-node.yaml#
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properties:
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groups:
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description: The pin group to select.
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enum: [
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# For RT3050, RT3052 and RT3350 SoCs
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i2c, jtag, mdio, rgmii, sdram, spi, uartf, uartlite,
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# For RT3352 SoC
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i2c, jtag, led, lna, mdio, pa, rgmii, spi, spi_cs1, uartf,
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uartlite,
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# For RT5350 SoC
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i2c, jtag, led, spi, spi_cs1, uartf, uartlite,
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]
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function:
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description: The mux function to select.
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enum: [
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# For RT3050, RT3052 and RT3350 SoCs
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gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, mdio, pcm gpio,
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pcm i2s, pcm uartf, rgmii, sdram, spi, uartf, uartlite,
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# For RT3352 SoC
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gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, lna, mdio,
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pa, pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1, uartf,
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uartlite, wdg_cs1,
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# For RT5350 SoC
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gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, pcm gpio,
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pcm i2s, pcm uartf, spi, spi_cs1, uartf, uartlite, wdg_cs1,
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]
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required:
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- groups
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- function
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additionalProperties: false
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additionalProperties: false
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allOf:
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- $ref: "pinctrl.yaml#"
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required:
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- compatible
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additionalProperties: false
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examples:
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# Pinmux controller node
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- |
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pinctrl {
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compatible = "ralink,rt305x-pinctrl";
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i2c_pins: i2c0-pins {
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pinmux {
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groups = "i2c";
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function = "i2c";
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};
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};
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};
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