linux-kernel - Re: [PATCH v3 09/14] dt-bindings: display: vop2: Add rk3588 support

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Message-ID: <741a7b27-47ae-441c-9a34-52a6695adfe7@linaro.org>
Date:   Fri, 1 Dec 2023 09:17:15 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Yan <andyshrk@....com>, heiko@...ech.de
Cc:     hjc@...k-chips.com, dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, sebastian.reichel@...labora.com,
        kever.yang@...k-chips.com, chris.obbard@...labora.com,
        Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH v3 09/14] dt-bindings: display: vop2: Add rk3588 support

On 30/11/2023 13:24, Andy Yan wrote:
>    clock-names:
> +    minItems: 5
>      items:
>        - const: aclk
>        - const: hclk
>        - const: dclk_vp0
>        - const: dclk_vp1
>        - const: dclk_vp2
> +      - const: dclk_vp3
> +      - const: pclk_vop
>  
>    rockchip,grf:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description:
> -      Phandle to GRF regs used for misc control
> +      Phandle to GRF regs used for control the polarity of dclk/hsync/vsync of DPI,
> +      also used for query vop memory bisr enable status, etc.
> +
> +  rockchip,vo1-grf:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to VO GRF regs used for control the polarity of dclk/hsync/vsync of hdmi
> +      on rk3588
> +
> +  rockchip,vop-grf:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to VOP GRF regs used for control data path between vopr and hdmi/edp.
> +
> +  rockchip,pmu:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to PMU GRF used for query vop memory bisr status on rk3588

Some of your above descriptions end with full stop, some not. Keep one
style.

>  
>    ports:
>      $ref: /schemas/graph.yaml#/properties/ports
> -
> -    properties:
> -      port@0:
> +    description: |
> +      The connections to the output video ports are modeled using the OF
> +      graph bindings specified in Documentation/devicetree/bindings/graph.txt.
> +      The number of ports and their assignment are model-dependent. Each port
> +      shall have a single endpoint.

The description is redundant, drop.

> +
> +    patternProperties:
> +      "^port@[0-3]$":
>          $ref: /schemas/graph.yaml#/properties/port
> -        description:
> -          Output endpoint of VP0
> +        description: Output endpoint of VP0/1/2/3
> +        unevaluatedProperties: false

Why did you add this line? It should not be needed, if I read diff
correctly.

>  
> -      port@1:
> -        $ref: /schemas/graph.yaml#/properties/port
> -        description:
> -          Output endpoint of VP1
> +    required:
> +      - port@0
>  
> -      port@2:
> -        $ref: /schemas/graph.yaml#/properties/port
> -        description:
> -          Output endpoint of VP2
> +    unevaluatedProperties: false
>  
>    iommus:
>      maxItems: 1
> @@ -96,6 +121,61 @@ required:
>    - clock-names
>    - ports
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: rockchip,rk3588-vop
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 7
> +        clock-names:
> +          items:
> +            - const: aclk
> +            - const: hclk
> +            - const: dclk_vp0
> +            - const: dclk_vp1
> +            - const: dclk_vp2
> +            - const: dclk_vp3
> +            - const: pclk_vop

These look the same as in top-level, so just minItems: 7

> +
> +        ports:
> +          required:
> +            - port@0
> +            - port@1
> +            - port@2
> +            - port@3
> +
> +      required:
> +        - rockchip,grf
> +        - rockchip,vo1-grf
> +        - rockchip,vop-grf
> +        - rockchip,pmu
> +
> +    else:
> +      properties:
> +        rockchip,vo1-grf: false
> +        rockchip,vop-grf: false
> +        rockchip,pmu: false
> +
> +        clocks:
> +          minItems: 5

maxItems instead

> +        clock-names:

maxItems



Best regards,
Krzysztof