Re: [PATCH v1 8/8] dt-bindings: arm: Add support for TPDM CMB element size

[Krzysztof Kozlowski]

On 29/03/2023 10:47, Mao Jinlong wrote:
> Add property "qcom,cmb-elem-size" to support CMB element for TPDM.
> The associated aggregator will read this size before it is enabled.
> CMB element size currently only supports 8-bit, 32-bit and 64-bit.
> 
> Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx>
> ---
>  .../bindings/arm/qcom,coresight-tpdm.yaml        | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> index 283dfb39d46f..c5169de81e58 100644
> --- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> @@ -53,6 +53,14 @@ properties:
>      minimum: 32
>      maximum: 64
>  
> +  qcom,cmb-element-size:

s/size/bits/
https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/property-units.yaml

> +    description:
> +      Specifies the CMB (Continuous multi-bit) element size supported by
> +      the monitor. The associated aggregator will read this size before it
> +      is enabled. CMB element size currently supports 8-bit, 32-bit, 64-bit.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [8, 32, 64]
> +
>    qcom,dsb_msr_num:
>      description:
>        Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
> @@ -95,6 +103,12 @@ required:
>    - clocks
>    - clock-names
>  
> +anyOf:
> +  - required:
> +      - qcom,dsb_msr_num

There is no such property.

> +  - required:
> +      - qcom,cmb-msr-num

Why this is part of this patch?

> +
>  additionalProperties: false
>  
>  examples:
> @@ -105,6 +119,8 @@ examples:
>        reg = <0x0684c000 0x1000>;
>  
>        qcom,dsb-element-size = <32>;
> +      qcom,cmb-element-size = <32>;
> +
>        qcom,dsb_msr_num = <16>;
>        qcom,cmb-msr-num = <6>;
>  

Best regards,
Krzysztof