Re: [PATCH 06/17] dt-bindings: display: bridge: renesas,dsi: Add support for RZ/V2H(P) SoC

[Krzysztof Kozlowski]

On Sun, Mar 30, 2025 at 10:07:02PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> 
> The MIPI DSI interface on the RZ/V2H(P) SoC is nearly identical to that of
> the RZ/G2L SoC. While the LINK registers are the same for both SoCs, the
> D-PHY registers differ. Additionally, the number of resets for DSI on
> RZ/V2H(P) is two compared to three on the RZ/G2L.
> 
> To accommodate these differences, a SoC-specific
> `renesas,r9a09g057-mipi-dsi` compatible string has been added for the
> RZ/V2H(P) SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
>  .../bindings/display/bridge/renesas,dsi.yaml  | 117 +++++++++++++-----
>  1 file changed, 87 insertions(+), 30 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> index e08c24633926..501239f7adab 100644
> --- a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> @@ -14,16 +14,16 @@ description: |
>    RZ/G2L alike family of SoC's. The encoder can operate in DSI mode, with
>    up to four data lanes.
>  
> -allOf:
> -  - $ref: /schemas/display/dsi-controller.yaml#
> -
>  properties:
>    compatible:
> -    items:
> -      - enum:
> -          - renesas,r9a07g044-mipi-dsi # RZ/G2{L,LC}
> -          - renesas,r9a07g054-mipi-dsi # RZ/V2L
> -      - const: renesas,rzg2l-mipi-dsi
> +    oneOf:
> +      - items:
> +          - enum:
> +              - renesas,r9a07g044-mipi-dsi # RZ/G2{L,LC}
> +              - renesas,r9a07g054-mipi-dsi # RZ/V2L
> +          - const: renesas,rzg2l-mipi-dsi
> +
> +      - const: renesas,r9a09g057-mipi-dsi # RZ/V2H(P)

I guess this will grow, so just use enum here. Otherwise people keep
adding const every time they add new model.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof