On 24/10/2024 10:14, Suzuki K Poulose wrote:
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"
Just to confirm, this is only for the "bindings" string, not for the
variables used in the patches.
Suzuki
Rest looks fine.
Suzuki
Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
---
.../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>;
};
};
};
