Re: [PATCH 1/9] dt-bindings: arm: Add support for DSB element

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On Thu, Sep 08, 2022 at 04:44:57PM +0800, Tao Zhang wrote:
> Add property "qcom,dsb-elem-size" to support DSB element for TPDA.
> Specifies the DSB element size supported by each monitor connected
> to the aggregator on each port. Should be specified in pairs (port,
> dsb element size).

What is DSB?

> 
> Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
> index eb9bfc5..1bb3fdf 100644
> --- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
> +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
> @@ -40,6 +40,13 @@ properties:
>      minItems: 1
>      maxItems: 2
>  
> +  qcom,dsb-elem-size:
> +    description: |
> +      Specifies the DSB element size supported by each monitor
> +      connected to the aggregator on each port. Should be specified
> +      in pairs (port, dsb element size).
> +    $ref: /schemas/types.yaml#/definitions/uint32-array

The binding (not yet upstream) says there is just 1 port (port 0). So 
why do you need more than a single uint32?

Rob



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