Re: [PATCH v3 2/4] dt-bindings: media: sun6i-a31-csi: Add ISP output port

[Rob Herring <robh@kernel.org>]

On Fri, Apr 15, 2022 at 05:37:06PM +0200, Paul Kocialkowski wrote:
> Some Allwinner devices come with an Image Signal Processor (ISP) that
> allows processing camera data to produce good-looking images,
> especially from raw bayer representations.
> 
> The ISP does not have a dedicated capture path: it is fed directly by
> one of the CSI controllers, which can be selected at run-time.
> 
> Represent this possibility as a graph connection between the CSI
> controller and the ISP in the device-tree bindings.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> ---
>  .../bindings/media/allwinner,sun6i-a31-csi.yaml    | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> index 53aa6dbe8e2c..1b41a6008195 100644
> --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> @@ -87,6 +87,20 @@ properties:
>  
>          additionalProperties: false
>  
> +      port@2:
> +        $ref: /schemas/graph.yaml#/$defs/port-base

If there are not any custom properties, then use 
'/schemas/graph.yaml#/properties/port' and drop the 'properties' below.

> +        description: ISP output port
> +
> +        properties:
> +          reg:
> +            const: 2
> +
> +          endpoint:
> +            $ref: /schemas/graph.yaml#/$defs/endpoint-base
> +            unevaluatedProperties: false
> +
> +        additionalProperties: false
> +
>      anyOf:
>        - required:
>            - port@0
> -- 
> 2.35.2
> 
>