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SubjectRe: [PATCH v2 13/14] dt-bindings: pinctrl: add binding for Ralink RT305X pinctrl
On Thu, Apr 14, 2022 at 08:39:15PM +0300, Arınç ÜNAL wrote:
> 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>
> ---
> .../pinctrl/ralink,rt305x-pinctrl.yaml | 92 +++++++++++++++++++
> 1 file changed, 92 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
> new file mode 100644
> index 000000000000..425401c54269
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
> @@ -0,0 +1,92 @@
> +# 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

You should have a compatible for each SoC unless these are all just
fused or package varients of the same chip.

> +
> +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";
> + };
> + };
> + };
> --
> 2.25.1
>
>

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