Re: [PATCH v3 01/15] dt-bindings: display/msm: gpu: Document GMU wrapper-equipped A6xx

[Konrad Dybcio]

On 23.02.2023 13:06, Konrad Dybcio wrote:
> GMU wrapper-equipped A6xx GPUs require clocks and clock-names to be
> specified under the GPU node, just like their older cousins.
> Account for that.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
[...]
> -    then: # Since Adreno 6xx series clocks should be defined in GMU
> +            enum:
> +              - qcom,adreno-610.0
> +              - qcom,adreno-619.1
Immediate comment: this could be improved by checking
the compatible of the node referenced in qcom,gmu, but
frankly - I have no idea how to do this / whether it's
possible with schema.

Konrad
> +    then:
>        properties:
> -        clocks: false
> -        clock-names: false
> +        clock-names:
> +          items:
> +            - const: core
> +              description: GPU Core clock
> +            - const: iface
> +              description: GPU Interface clock
> +            - const: mem_iface
> +              description: GPU Memory Interface clock
> +            - const: alt_mem_iface
> +              description: GPU Alternative Memory Interface clock
> +            - const: gmu
> +              description: CX GMU clock
> +            - const: xo
> +              description: GPUCC clocksource clock
> +
> +        reg-names:
> +          minItems: 1
> +          items:
> +            - const: kgsl_3d0_reg_memory
> +            - const: cx_dbgc
> +
> +      required:
> +        - clocks
> +        - clock-names
> +    else:
> +      if:
> +        properties:
> +          compatible:
> +            contains:
> +              pattern: '^qcom,adreno-6[0-9][0-9]\.[0-9]$'
> +
> +      then: # Starting with A6xx, the clocks are usually defined in the GMU node
> +        properties:
> +          clocks: false
> +          clock-names: false
> +
> +          reg-names:
> +            minItems: 1
> +            items:
> +              - const: kgsl_3d0_reg_memory
> +              - const: cx_mem
> +              - const: cx_dbgc
>  
>  examples:
>    - |
>