Re: [PATCH 1/3] dt-bindings: media: mali-c55: Allow wakeup source

[Dan Scally]

Hi Linus, thanks for the patchset

On 29/09/2026 13:02, Linus Walleij wrote:
> The Mali-C55 interrupt can be wired as a wake source on platforms that
> support it. Use the standard wakeup-source property.

That's interesting! How's that work, though? In the RZ/V2H particularly the ISP is in an offline 
mode, so I'm struggling to see how one could trigger the interrupt whilst the device is suspended, 
since you'd need to instruct the IVC to queue a frame.

Thanks
Dan

> Assisted-by: LLM
> Signed-off-by: Linus Walleij <linusw@xxxxxxxxxx>
> ---
>   Documentation/devicetree/bindings/media/arm,mali-c55.yaml | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/arm,mali-c55.yaml b/Documentation/devicetree/bindings/media/arm,mali-c55.yaml
> index fc4fcd19922a..acd57799ccd0 100644
> --- a/Documentation/devicetree/bindings/media/arm,mali-c55.yaml
> +++ b/Documentation/devicetree/bindings/media/arm,mali-c55.yaml
> @@ -20,6 +20,8 @@ properties:
>     interrupts:
>       maxItems: 1
>   
> +  wakeup-source: true
> +
>     clocks:
>       items:
>         - description: ISP Video Clock