Re: [PATCH v2 3/9] dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings

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Hi Biju,

Thank you for the patch.

On Tue, Jul 09, 2024 at 02:51:41PM +0100, Biju Das wrote:
> Document DU found in RZ/G2UL SoC. The DU block is identical to RZ/G2L
> SoC, but has only DPI interface.
> 
> While at it, add missing required property port@1 for RZ/G2L and RZ/V2L
> SoCs. Currently there is no user for the DPI interface and hence there
> won't be any ABI breakage for adding port@1 as required property for
> RZ/G2L and RZ/V2L SoCs.
> 
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> v1->v2:
>  * Updated commit description related to non ABI breakage.
>  * Added Ack from Conor.
> ---
>  .../bindings/display/renesas,rzg2l-du.yaml    | 32 +++++++++++++++++--
>  1 file changed, 29 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> index 08e5b9478051..c0fec282fa45 100644
> --- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> @@ -18,6 +18,7 @@ properties:
>    compatible:
>      oneOf:
>        - enum:
> +          - renesas,r9a07g043u-du # RZ/G2UL
>            - renesas,r9a07g044-du # RZ/G2{L,LC}
>        - items:
>            - enum:
> @@ -60,9 +61,6 @@ properties:
>          $ref: /schemas/graph.yaml#/properties/port
>          unevaluatedProperties: false
>  
> -    required:
> -      - port@0
> -
>      unevaluatedProperties: false
>  
>    renesas,vsps:
> @@ -88,6 +86,34 @@ required:
>  
>  additionalProperties: false
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: renesas,r9a07g043u-du
> +    then:
> +      properties:
> +        ports:
> +          properties:
> +            port@0: false
> +            port@1:
> +              description: DPI
> +
> +          required:
> +            - port@1

Why do you use port@1 for the DPI output here, and not port@0 ?

> +    else:
> +      properties:
> +        ports:
> +          properties:
> +            port@0:
> +              description: DSI
> +            port@1:
> +              description: DPI
> +
> +          required:
> +            - port@0
> +            - port@1

You're missing a blank line here.

>  examples:
>    # RZ/G2L DU
>    - |

-- 
Regards,

Laurent Pinchart



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