Re: [PATCH v8 2/3] dt-bindings: msm: dsi-controller-main: Document clocks on a per compatible basis

[Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>]

On 17/01/2023 00:52, Bryan O'Donoghue wrote:
> Each compatible has a different set of clocks which are associated with it.
> Add in the list of clocks for each compatible.
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> ---
>   .../display/msm/dsi-controller-main.yaml      | 219 ++++++++++++++++--
>   1 file changed, 202 insertions(+), 17 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> index 35668caa190c4..47faf08a37443 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> @@ -9,9 +9,6 @@ title: Qualcomm Display DSI controller
>   maintainers:
>     - Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx>
>   
> -allOf:
> -  - $ref: "../dsi-controller.yaml#"
> -
>   properties:
>     compatible:
>       oneOf:
> @@ -50,22 +47,23 @@ properties:
>       maxItems: 1
>   
>     clocks:
> -    items:
> -      - description: Display byte clock
> -      - description: Display byte interface clock
> -      - description: Display pixel clock
> -      - description: Display core clock
> -      - description: Display AHB clock
> -      - description: Display AXI clock
> +    description: |
> +      Several clocks are used, depending on the variant. Typical ones are::
> +       - bus:: Display AHB clock.
> +       - byte:: Display byte clock.
> +       - byte_intf:: Display byte interface clock.
> +       - core:: Display core clock.
> +       - core_mss:: Core MultiMedia SubSystem clock.
> +       - iface:: Display AXI clock.
> +       - mdp_core:: MDP Core clock.
> +       - mnoc:: MNOC clock
> +       - pixel:: Display pixel clock.
> +    minItems: 3
> +    maxItems: 9
>   
>     clock-names:
> -    items:
> -      - const: byte
> -      - const: byte_intf
> -      - const: pixel
> -      - const: core
> -      - const: iface
> -      - const: bus
> +    minItems: 3
> +    maxItems: 9
>   
>     phys:
>       maxItems: 1
> @@ -161,6 +159,193 @@ required:
>     - assigned-clock-parents
>     - ports
>   
> +allOf:
> +  - $ref: ../dsi-controller.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,apq8064-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 7
> +        clock-names:
> +          items:
> +            - const: iface
> +            - const: bus
> +            - const: core_mmss
> +            - const: src
> +            - const: byte
> +            - const: pixel
> +            - const: core
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,msm8916-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 6
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: iface
> +            - const: bus
> +            - const: byte
> +            - const: pixel
> +            - const: core
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,msm8953-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 6
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: iface
> +            - const: bus
> +            - const: byte
> +            - const: pixel
> +            - const: core
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,msm8974-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 7
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: iface
> +            - const: bus
> +            - const: vsync
> +            - const: byte
> +            - const: pixel
> +            - const: core
> +            - const: core_mmss
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,msm8996-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 7
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: byte
> +            - const: iface
> +            - const: bus
> +            - const: core_mmss
> +            - const: pixel
> +            - const: core
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,msm8998-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 6
> +        clock-names:
> +          items:
> +            - const: byte
> +            - const: byte_intf
> +            - const: pixel
> +            - const: core
> +            - const: iface
> +            - const: bus
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sc7180-dsi-ctrl
> +              - qcom,sc7280-dsi-ctrl
> +              - qcom,sm8250-dsi-ctrl
> +              - qcom,sm8150-dsi-ctrl
> +              - qcom,sm8250-dsi-ctrl

Fails with:

kernel/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml: 
allOf:7:if:properties:compatible:contains:enum: ['qcom,sc7180-dsi-ctrl', 
'qcom,sc7280-dsi-ctrl', 'qcom,sm8250-dsi-ctrl', 'qcom,sm8150-dsi-ctrl', 
'qcom,sm8250-dsi-ctrl', 'qcom,sm8350-dsi-ctrl', 'qcom,sm8450-dsi-ctrl', 
'qcom,sm8550-dsi-ctrl'] has non-unique elements


> +              - qcom,sm8350-dsi-ctrl
> +              - qcom,sm8450-dsi-ctrl
> +              - qcom,sm8550-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 6
> +        clock-names:
> +          items:
> +            - const: byte
> +            - const: byte_intf
> +            - const: pixel
> +            - const: core
> +            - const: iface
> +            - const: bus
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sdm660-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 9
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: byte
> +            - const: byte_intf
> +            - const: mnoc
> +            - const: iface
> +            - const: bus
> +            - const: core_mmss
> +            - const: pixel
> +            - const: core
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sdm845-dsi-ctrl
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 6
> +        clock-names:
> +          items:
> +            - const: byte
> +            - const: byte_intf
> +            - const: pixel
> +            - const: core
> +            - const: iface
> +            - const: bus
> +
>   additionalProperties: false
>   
>   examples:

--
With best wishes
Dmitry