Re: [PATCH v2 3/4] media: dt-bindings: rockchip: Document RK3588 Video Decoder bindings

[Conor Dooley <conor@kernel.org>]

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On Wed, Jun 19, 2024 at 10:57:20AM -0400, Detlev Casanova wrote:
> Document the Rockchip RK3588 Video Decoder bindings.
> 
> Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
> ---
>  .../bindings/media/rockchip,vdec.yaml         | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/rockchip,vdec.yaml b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
> index 08b02ec16755..22cb62faaa9b 100644
> --- a/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
> +++ b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
> @@ -17,6 +17,7 @@ properties:
>    compatible:
>      oneOf:
>        - const: rockchip,rk3399-vdec
> +      - const: rockchip,rk3588-vdec
>        - items:
>            - enum:
>                - rockchip,rk3228-vdec
> @@ -30,29 +31,56 @@ properties:
>      maxItems: 1
>  
>    clocks:
> +    minItems: 4
>      items:
>        - description: The Video Decoder AXI interface clock
>        - description: The Video Decoder AHB interface clock
>        - description: The Video Decoded CABAC clock
>        - description: The Video Decoder core clock
> +      - description: The Video decoder HEVC CABAC clock
>  
>    clock-names:
> +    minItems: 4
>      items:
>        - const: axi
>        - const: ahb
>        - const: cabac
>        - const: core
> +      - const: hevc_cabac
>  
>    assigned-clocks: true
>  
>    assigned-clock-rates: true
>  
> +  resets:
> +    items:
> +      - description: The Video Decoder AXI interface reset
> +      - description: The Video Decoder AHB interface reset
> +      - description: The Video Decoded CABAC reset
> +      - description: The Video Decoder core reset
> +      - description: The Video decoder HEVC CABAC reset
> +
> +  reset-names:
> +    items:
> +      - const: rst_axi
> +      - const: rst_ahb
> +      - const: rst_cabac
> +      - const: rst_core
> +      - const: rst_hevc_cabac
> +
>    power-domains:
>      maxItems: 1
>  
>    iommus:
>      maxItems: 1
>  
> +  sram:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: |
> +      phandle to a reserved on-chip SRAM regions.
> +      Some SoCs, like rk3588 provide on-chip SRAM to store temporary
> +      buffers during decoding.
> +
>  required:
>    - compatible
>    - reg
> @@ -61,6 +89,24 @@ required:
>    - clock-names
>    - power-domains
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: rockchip,rk3588-vdec
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 5
> +        clock-names:
> +          minItems: 5
> +
> +        resets:
> +          minItems: 5
> +        reset-names:
> +          minItems: 5

You need an else clause here to restrict sram, resets on the other
platforms and to cap clocks at maxItems: 4.

Thanks,
Conor.

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