Re: [PATCH v3 1/8] dt-bindings: mfd: khadas: Add new compatible for Khadas VIM4 MCU

Conor Dooley
2026-04-20T16:22:59Z

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On Fri, Apr 17, 2026 at 06:27:17PM +0200, Ronald Claveau wrote:
> The Khadas VIM4 MCU register is slightly different
> from previous boards' MCU.
> This board also features a switchable power source for its fan.
>
> Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
> ---
> Documentation/devicetree/bindings/mfd/khadas,mcu.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
> index 084960fd5a1fd..a80718f7595ce 100644
> --- a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
> +++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
> @@ -18,6 +18,7 @@ properties:
> compatible:
> enum:
> - khadas,mcu # MCU revision is discoverable
> + - khadas,vim4-mcu # Different MCU variant, not discoverable
>
> "#cooling-cells": # Only needed for boards having FAN control feature
> const: 2
> @@ -25,6 +26,10 @@ properties:
> reg:
> maxItems: 1
>
> + fan-supply:
> + description: Phandle to the regulator that powers the fan.
> + $ref: /schemas/types.yaml#/definitions/phandle

Can you limit this by compatible please?
pw-bot: changes-requested

> +
> required:
> - compatible
> - reg
>
> --
> 2.49.0
>

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