Re: [PATCH v3 1/8] dt-bindings: arm: Add support for CMB element size

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On 21/11/2023 02:24, Tao Zhang wrote:
> Add property "qcom,cmb-elem-size" to support CMB(Continuous
> Multi-Bit) element for TPDM. The associated aggregator will read
> this size before it is enabled. CMB element size currently only
> supports 32-bit and 64-bit.
> 
> Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
> Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx>
> ---
>  .../bindings/arm/qcom,coresight-tpdm.yaml     | 28 +++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> index 61ddc3b5b247..0d9fe01a8b15 100644
> --- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
> @@ -52,6 +52,15 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/uint8
>      enum: [32, 64]
>  
> +  qcom,cmb-element-size:
> +    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 only supports 8-bit, 32-bit
> +      and 64-bit.
> +    $ref: /schemas/types.yaml#/definitions/uint8
> +    enum: [8, 32, 64]
> +
>    qcom,dsb-msrs-num:
>      description:
>        Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
> @@ -110,4 +119,23 @@ examples:
>        };
>      };
>  
> +    tpdm@6c29000 {
> +      compatible = "qcom,coresight-tpdm", "arm,primecell";
> +      reg = <0x06c29000 0x1000>;
> +      reg-names = "tpdm-base";

I think this one gives this error:

 $ make dt_binding_check DT_SCHEMA_FILES=arm/qcom,coresight

 DTC_CHK Documentation/devicetree/bindings/arm/qcom,coresight-
  tpdm.example.dtb
 qcom,coresight-tpdm.example.dtb: tpdm@6c29000: 'reg-names' does not
  match any of the regexes: 'pinctrl-[0-9]+'
        from schema $id: http://devicetree.org/schemas
        /arm/qcom,coresight-tpdm.yaml#

> +
> +      qcom,cmb-element-size = /bits/ 8 <64>;
> +
> +      clocks = <&aoss_qmp>;
> +      clock-names = "apb_pclk";
> +
> +      out-ports {
> +        port {
> +          tpdm_ipcc_out_funnel_center: endpoint {
> +            remote-endpoint =
> +              <&funnel_center_in_tpdm_ipcc>;
> +          };
> +        };
> +      };
> +    };
>  ...




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