Re: [PATCH 02/23] dt-bindings: gpio: nomadik: add optional ngpios property

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On Wed, Feb 14, 2024 at 5:24 PM Théo Lebrun <theo.lebrun@xxxxxxxxxxx> wrote:

> This GPIO controller can support a lesser number of GPIOs than 32.
> Express that in devicetree using an optional, generic property.
>
> Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
> index a999908173d2..bbd23daed229 100644
> --- a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
> +++ b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
> @@ -50,6 +50,10 @@ properties:
>    gpio-ranges:
>      maxItems: 1
>
> +  ngpios:
> +    minimum: 0
> +    maximum: 32

I can't help but wonder what good is ngpios = <0>; but OK.
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij





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