linux-kernel - Re: [PATCH v5 01/12] dt-bindings: display: renesas,rzg2l-du: Add support for RZ/V2H(P) SoC

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Message-ID: <20250520135206.GA13321@pendragon.ideasonboard.com>
Date: Tue, 20 May 2025 15:52:06 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Biju Das <biju.das.jz@...renesas.com>, David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v5 01/12] dt-bindings: display: renesas,rzg2l-du: Add
 support for RZ/V2H(P) SoC

Hi Prabhakar,

Thank you for the patch.

On Mon, May 12, 2025 at 07:23:19PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> The DU block on the RZ/V2H(P) SoC is identical to the one found on the
> RZ/G2L SoC. However, it only supports the DSI interface, whereas the
> RZ/G2L supports both DSI and DPI interfaces.
> 
> Due to this difference, a SoC-specific compatible string
> 'renesas,r9a09g057-du' is added for the RZ/V2H(P) SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Biju Das <biju.das.jz@...renesas.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

> ---
> v4->v5:
> - Added reviewed tag from Biju
> 
> v3->v4:
> - No changes
> 
> v2->v3:
> - Collected reviewed tag from Krzysztof
> 
> v1->v2:
> - Kept the sort order for schema validation
> - Added  `port@1: false` for RZ/V2H(P) SoC
> ---
>  .../bindings/display/renesas,rzg2l-du.yaml    | 23 ++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> index 95e3d5e74b87..1e32d14b6edb 100644
> --- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> @@ -20,6 +20,7 @@ properties:
>        - enum:
>            - renesas,r9a07g043u-du # RZ/G2UL
>            - renesas,r9a07g044-du # RZ/G2{L,LC}
> +          - renesas,r9a09g057-du # RZ/V2H(P)
>        - items:
>            - enum:
>                - renesas,r9a07g054-du    # RZ/V2L
> @@ -101,7 +102,12 @@ allOf:
>  
>            required:
>              - port@0
> -    else:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: renesas,r9a07g044-du
> +    then:
>        properties:
>          ports:
>            properties:
> @@ -113,6 +119,21 @@ allOf:
>            required:
>              - port@0
>              - port@1
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: renesas,r9a09g057-du
> +    then:
> +      properties:
> +        ports:
> +          properties:
> +            port@0:
> +              description: DSI
> +            port@1: false
> +
> +          required:
> +            - port@0
>  
>  examples:
>    # RZ/G2L DU

-- 
Regards,

Laurent Pinchart