[PATCH v2 1/7] dt-bindings: display: renesas,du: Document r9a07g044l bindings

[Laurent Pinchart]

Hi Biju,

Thank you for the patch.

On Wed, Mar 16, 2022 at 01:10:54PM +0000, Biju Das wrote:
> Extend the Renesas DU display bindings to support the r9a07g044l
> DU module found on RZ/G2L LCDC.

Stupid question, but as this DU and the R-Car DU are completely
different pieces of hardware, wouldn't a separate bindings file make
sense ?

The DT description in this patch looks good to me.

> Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
> ---
> v1->v2:
>  * Updated commit description.
>  * Removed LCDC references
>  * Changed clock name from du.0->aclk
>  * Changed reset name from du.0->du
> RFC->v1:
>  * Changed  minItems->maxItems for renesas,vsps.
> RFC:
>  https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220112174612.10773-18-biju.das.jz@bp.renesas.com/
> ---
>  .../bindings/display/renesas,du.yaml          | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
> index 13efea574584..f560608bf4e8 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
> @@ -40,6 +40,7 @@ properties:
>        - renesas,du-r8a77990 # for R-Car E3 compatible DU
>        - renesas,du-r8a77995 # for R-Car D3 compatible DU
>        - renesas,du-r8a779a0 # for R-Car V3U compatible DU
> +      - renesas,du-r9a07g044l # for RZ/G2L compatible DU
>  
>    reg:
>      maxItems: 1
> @@ -824,6 +825,59 @@ allOf:
>          - reset-names
>          - renesas,vsps
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,du-r9a07g044l
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: Main clock
> +            - description: Register access clock
> +            - description: Video clock
> +
> +        clock-names:
> +          items:
> +            - const: aclk
> +            - const: pclk
> +            - const: vclk
> +
> +        interrupts:
> +          maxItems: 1
> +
> +        resets:
> +          maxItems: 1
> +
> +        reset-names:
> +          items:
> +            - const: du
> +
> +        ports:
> +          properties:
> +            port at 0:
> +              description: DPAD 0
> +            port at 1:
> +              description: DSI 0
> +            port at 2: false
> +            port at 3: false
> +
> +          required:
> +            - port at 0
> +            - port at 1
> +
> +        renesas,vsps:
> +          maxItems: 1
> +
> +      required:
> +        - clock-names
> +        - interrupts
> +        - resets
> +        - reset-names
> +        - renesas,vsps
> +
>  additionalProperties: false
>  
>  examples:

-- 
Regards,

Laurent Pinchart