Subject: Re: [PATCH 2/4] dt-bindings: media: amlogic,gx-vdec: add bindings for G12A family

From: Rob Herring <[email-masked]>
Date: Tue, 3 Dec 2019 17:21:09 -0600

On Wed, Nov 20, 2019 at 12:14:28PM +0100, Neil Armstrong wrote:
> Add bindings to support the Amlogic Video Decoder on the Amlogic G12A
> family.
> 
> For the G12A family, a supplementary clock is needed to operate the
> HEVC/VP9 decoder.
> 
> Signed-off-by: Neil Armstrong <[email-masked]>
> ---
>  .../bindings/media/amlogic,gx-vdec.yaml       | 57 +++++++++++++++----
>  1 file changed, 46 insertions(+), 11 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
> index 878944867d6e..8ea979bb97e6 100644
> --- a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
> +++ b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
> @@ -27,12 +27,15 @@ description: |
>  
>  properties:
>    compatible:
> -    items:
> +    oneOf:
> +      - items:
> +        - enum:
> +          - amlogic,gxbb-vdec # GXBB (S905)
> +          - amlogic,gxl-vdec # GXL (S905X, S905D)
> +          - amlogic,gxm-vdec # GXM (S912)
> +        - const: amlogic,gx-vdec
>        - enum:
> -        - amlogic,gxbb-vdec # GXBB (S905)
> -        - amlogic,gxl-vdec # GXL (S905X, S905D)
> -        - amlogic,gxm-vdec # GXM (S912)
> -      - const: amlogic,gx-vdec
> +        - amlogic,g12a-vdec # G12A (S905X2, S905D2)
>  
>    interrupts:
>      minItems: 2
> @@ -59,13 +62,9 @@ properties:
>  
>    clocks:
>      minItems: 4
> +    maxItems: 5
>  
> -  clock-names:
> -    items:
> -      - const: dos_parser
> -      - const: dos
> -      - const: vdec_1
> -      - const: vdec_hevc

You can leave this here and add the 5th clock along with { minItems: 4, 
maxItems: 5 }.

Then the 'if' schema just needs a 'maxItems: 4'.

> +  clock-names: true
>  
>    amlogic,ao-sysctrl:
>      description: should point to the AOBUS sysctrl node
> @@ -77,6 +76,42 @@ properties:
>      allOf:
>        - $ref: /schemas/types.yaml#/definitions/phandle
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - amlogic,gx-vdec
> +
> +    then:
> +      properties:
> +        clock-names:
> +          minItems: 4
> +          items:
> +            - const: dos_parser
> +            - const: dos
> +            - const: vdec_1
> +            - const: vdec_hevc
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - amlogic,g12a-vdec
> +
> +    then:
> +      properties:
> +        clock-names:
> +          minItems: 5
> +          items:
> +            - const: dos_parser
> +            - const: dos
> +            - const: vdec_1
> +            - const: vdec_hevc
> +            - const: vdec_hevcf
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.22.0
> 

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