The is some "magic" hard coded filtering in the replicators,
which only passes through trace from a particular "source". Add
a new property "filter-source" to label a phandle to the coresight
trace source device matching the hard coded filtering for the port.
Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
.../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..a6f793ea03b6 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-source:
+ $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-source = <&tpdm_video>;
};
};
@@ -79,6 +95,7 @@ examples:
reg = <1>;
replicator_out_port1: endpoint {
remote-endpoint = <&tpiu_in_port>;
+ filter-source = <&tpdm_mdss>;
};
};
};
--
2.17.1
