linux-kernel - [PATCH v4 1/3] dt-bindings: arm: Add arm,trace-id for coresight dummy source

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Message-ID: <20240729071414.5410-2-quic_jinlmao@quicinc.com>
Date: Mon, 29 Jul 2024 00:14:09 -0700
From: Mao Jinlong <quic_jinlmao@...cinc.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach
	<mike.leach@...aro.org>, James Clark <james.clark@....com>,
        Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Mao Jinlong <quic_jinlmao@...cinc.com>,
        "Alexander
 Shishkin" <alexander.shishkin@...ux.intel.com>
CC: <coresight@...ts.linaro.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>
Subject: [PATCH v4 1/3] dt-bindings: arm: Add arm,trace-id for coresight dummy source

Some dummy source HW has static trace id which cannot be changed via
software programming. Add arm,trace-id for static id support to
coresight dummy source.

Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../devicetree/bindings/arm/arm,coresight-dummy-source.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
index 6745b4cc8f1c..ecf3ba9cdd22 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
@@ -38,6 +38,12 @@ properties:
     enum:
       - arm,coresight-dummy-source
 
+  arm,static-trace-id:
+    description: If dummy source needs static id support, use this to set trace id.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1
+    maximum: 111
+
   out-ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
-- 
2.41.0