[PATCH v4 1/4] dt-bindings: arm: qcom,coresight-static-replicator: Add property for source filtering

[Suzuki K Poulose]

On 24/10/2024 07:53, Tao Zhang wrote:
> The is some "magic" hard coded filtering in the replicators,
> which only passes through trace from a particular "source". Add
> a new property "filter-src" to label a phandle to the coresight
> trace source device matching the hard coded filtering for the port.

As mentioned in here in v3 review :

https://lkml.org/lkml/2024/8/21/597

Please do not use "src", expand it to "source"

Rest looks fine.

Suzuki

> 
> Signed-off-by: Tao Zhang <quic_taozha at quicinc.com>
> ---
>   .../arm/arm,coresight-static-replicator.yaml  | 19 ++++++++++++++++++-
>   1 file changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> index 1892a091ac35..0d258c79eb94 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> @@ -45,7 +45,22 @@ properties:
>       patternProperties:
>         '^port@[01]$':
>           description: Output connections to CoreSight Trace bus
> -        $ref: /schemas/graph.yaml#/properties/port
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +
> +        properties:
> +          endpoint:
> +            $ref: /schemas/graph.yaml#/$defs/endpoint-base
> +            unevaluatedProperties: false
> +
> +            properties:
> +              filter-src:
> +                $ref: /schemas/types.yaml#/definitions/phandle
> +                description:
> +                  phandle to the coresight trace source device matching the
> +                  hard coded filtering for this port
> +
> +              remote-endpoint: true
>   
>   required:
>     - compatible
> @@ -72,6 +87,7 @@ examples:
>                   reg = <0>;
>                   replicator_out_port0: endpoint {
>                       remote-endpoint = <&etb_in_port>;
> +                    filter-src = <&tpdm_video>;
>                   };
>               };
>   
> @@ -79,6 +95,7 @@ examples:
>                   reg = <1>;
>                   replicator_out_port1: endpoint {
>                       remote-endpoint = <&tpiu_in_port>;
> +                    filter-src = <&tpdm_mdss>;
>                   };
>               };
>           };