Re: [PATCH 3/6] dt-bindings: pinctrl: mt7621: add proper function muxing binding

From: Krzysztof Kozlowski
Date: Wed Dec 14 2022 - 08:13:40 EST


On 13/12/2022 14:04, Arınç ÜNAL wrote:
> Not every function can be muxed to a group. Add proper binding which
> documents which function can be muxed to a group or set of groups.
>
> Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
> ---
> .../pinctrl/ralink,mt7621-pinctrl.yaml | 204 +++++++++++++++++-
> 1 file changed, 197 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
> index 61e5c847e8c8..0efb03f1d88e 100644
> --- a/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
> @@ -29,21 +29,212 @@ patternProperties:
> $ref: pinmux-node.yaml#
>
> properties:
> - groups:
> - description: The pin group to select.
> - enum: [i2c, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, uart1,
> - uart2, uart3, wdt]
> -
> function:
> - description: The mux function to select.
> + description:
> + A string containing the name of the function to mux to the group.
> enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk,
> pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, spi,
> uart1, uart2, uart3, wdt refclk, wdt rst]
>
> + groups:
> + description:
> + An array of strings. Each string contains the name of a group.

Here and in all patches - please add maxItems:1. The definition of field
should have some constraints (and your if:then: might miss a case).

Best regards,
Krzysztof