[PATCH 1/7] dt-bindings: pinctrl: rockchip: increase max amount of device functions

Conor Dooley conor at kernel.org
Tue Apr 8 09:08:16 PDT 2025


On Tue, Apr 08, 2025 at 02:32:13PM +0200, Nicolas Frattaroli wrote:
> With the introduction of the RK3576, the maximum device function ID used
> increased to 14, as anyone can easily verify for themselves with:
> 
>   rg -g '*-pinctrl.dtsi' '<\d+\s+RK_P..\s+(?<func>\d+)\s.*>;$' --trim \
>   -NI -r '$func' arch/arm64/boot/dts/rockchip/ | sort -g | uniq
> 
> Unfortunately, this wasn't caught by dt-validate as those pins are
> omit-if-no-ref and we had no reference to them in any tree so far.
> 
> Once again kick the can down the road by increasing the limit to 14.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>

Acked-by: Conor Dooley <conor.dooley at microchip.com>

> ---
>  Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
> index 960758dc417f7405010fab067bfbf6f5c4704179..125af766b99297dc229db158846daea974dda28e 100644
> --- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
> @@ -135,7 +135,7 @@ additionalProperties:
>                description:
>                  Pin bank index.
>              - minimum: 0
> -              maximum: 13
> +              maximum: 14
>                description:
>                  Mux 0 means GPIO and mux 1 to N means
>                  the specific device function.
> 
> -- 
> 2.49.0
> 
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