Re: [PATCH 3/9] dt-bindings: media: snps,dw-hdmi-rx: add the source port

[Conor Dooley]

On Wed, Sep 23, 2026 at 03:44:42PM +0200, Sascha Hauer wrote:
> Describe the OF graph port connecting the receiver to an HDMI bridge in
> front of it. Boards that wire the HDMI connector straight to the receiver
> leave it out, so it is not required.
> 
> The schema sets additionalProperties: false, so without this a device
> tree carrying the endpoint does not validate at all.
> 
> Assisted-by: Claude:claude-opus-5
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
> index b7f6c87d0e06a..7e66dcbdfe2cb 100644
> --- a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
> +++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
> @@ -66,6 +66,14 @@ properties:
>      description: GPIO specifier for HPD.
>      maxItems: 1
>  
> +  port:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      Connection to the HDMI source. Present when an HDMI bridge sits in
> +      front of this receiver instead of the connector being wired straight
> +      to it.

> The bridge is bound as a v4l2 subdevice and appears in the
> +      media graph.

This sounds like OS-specific info that shouldn't be here.

pw-bot: changes-requested

Thanks,
Conor.

> +
>    rockchip,grf:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description:
> 
> -- 
> 2.47.3
>

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