Re: [PATCH v8 02/16] dt-bindings: media: mediatek: mdp3: merge the indentical RDMA under display

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On Mon, Oct 30, 2023 at 06:00:08PM +0800, Moudy Ho wrote:
> To simplify maintenance and avoid branches, the identical component
> should be merged and placed in the path belonging to the MDP
> (from display/* to media/*).
> 
> In addition, currently only MDP utilizes RDMA through CMDQ, and the
> necessary properties for "mediatek,gce-events", and "mboxes" have been
> set up for this purpose.
> Within DISP, it directly receives component interrupt signals.
> 
> Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
>  .../display/mediatek/mediatek,mdp-rdma.yaml   | 88 -------------------
>  .../bindings/media/mediatek,mdp3-rdma.yaml    | 55 +++++++++---
>  2 files changed, 45 insertions(+), 98 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml


> diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> index 3e128733ef53..c043204cf210 100644
> --- a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> @@ -20,8 +20,9 @@ description: |
>  
>  properties:
>    compatible:
> -    items:
> -      - const: mediatek,mt8183-mdp3-rdma
> +    enum:
> +      - mediatek,mt8183-mdp3-rdma
> +      - mediatek,mt8195-vdo1-rdma
>  
>    reg:
>      maxItems: 1
> @@ -49,17 +50,18 @@ properties:
>      maxItems: 1
>  
>    clocks:
> -    items:
> -      - description: RDMA clock
> -      - description: RSZ clock
> +    minItems: 1
> +    maxItems: 2

Keep the description here and just add 'minItems: 1' and...

>  
>    iommus:
>      maxItems: 1
>  
>    mboxes:
> -    items:
> -      - description: used for 1st data pipe from RDMA
> -      - description: used for 2nd data pipe from RDMA
> +    minItems: 1
> +    maxItems: 2
> +
> +  interrupts:
> +    maxItems: 1
>  
>    '#dma-cells':
>      const: 1
> @@ -68,13 +70,46 @@ required:
>    - compatible
>    - reg
>    - mediatek,gce-client-reg
> -  - mediatek,gce-events
>    - power-domains
>    - clocks
>    - iommus
> -  - mboxes
>    - '#dma-cells'
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt8183-mdp3-rdma
> +
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: RDMA clock
> +            - description: RSZ clock (shared SRAM with RDMA)

Then just need 'minItems: 2' here and...

> +
> +        mboxes:
> +          items:
> +            - description: used for 1st data pipe from RDMA
> +            - description: used for 2nd data pipe from RDMA
> +
> +      required:
> +        - mboxes
> +        - mediatek,gce-events
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt8195-vdo1-rdma
> +
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: RDMA clock

'maxItems: 1' here.

The same thing applies to mboxes.

Rob



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