RE: [PATCH] dt-bindings: pinctrl: renesas: Allow power-source

[Fabrizio Castro]

> From: Rob Herring (Arm) <robh@xxxxxxxxxx>
> Sent: 22 September 2026 00:26
> To: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>; Linus Walleij <linusw@xxxxxxxxxx>; Krzysztof
> Kozlowski <krzk+dt@xxxxxxxxxx>; Conor Dooley <conor+dt@xxxxxxxxxx>; magnus.damm
> <magnus.damm@xxxxxxxxx>; Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>
> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx; linux-gpio@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH] dt-bindings: pinctrl: renesas: Allow power-source
> 
> RZ/V2M pin configuration nodes describe the I/O voltage with
> power-source. Add the property and allow the 1800 mV and 3300 mV
> values used by the DTS.
> 
> Assisted-by: LLM
> Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>

Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>

> ---
>  .../devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml     | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
> b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
> index 88b2fa5e684d..f24d05136f19 100644
> --- a/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
> @@ -73,6 +73,9 @@ additionalProperties:
>          bias-disable: true
>          bias-pull-down: true
>          bias-pull-up: true
> +        power-source:
> +          description: I/O voltage in millivolts.
> +          enum: [ 1800, 3300 ]
>          drive-strength-microamp:
>            # Superset of supported values
>            enum: [ 1600, 1800, 2000, 3200, 3800, 4000, 6400, 7800, 8000,
> --
> 2.53.0