linux-kernel - [PATCH v2 1/2] dt-bindings: arm: Add qcom,inst-id for remote etm

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Message-ID: <20240807071054.12742-2-quic_jinlmao@quicinc.com>
Date: Wed, 7 Aug 2024 00:10:50 -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>,
        "Alexander
 Shishkin" <alexander.shishkin@...ux.intel.com>,
        Andy Gross
	<agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring
	<robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: Mao Jinlong <quic_jinlmao@...cinc.com>, <linux-kernel@...r.kernel.org>,
        <coresight@...ts.linaro.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH v2 1/2] dt-bindings: arm: Add qcom,inst-id for remote etm

qcom,inst-id is the instance id used by qmi API to communicate with
remote processor.

Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
---
 .../bindings/arm/qcom,coresight-remote-etm.yaml        | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
index 4fd5752978cd..a65121505c68 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
@@ -20,6 +20,13 @@ properties:
   compatible:
     const: qcom,coresight-remote-etm
 
+  qcom,inst-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      This id is used by qmi API to communicate with remote processor for
+      enabling and disabling remote etm. Each processor has its unique instance
+      id.
+
   out-ports:
     $ref: /schemas/graph.yaml#/properties/ports
     additionalProperties: false
@@ -31,6 +38,7 @@ properties:
 
 required:
   - compatible
+  - qcom,inst-id
   - out-ports
 
 additionalProperties: false
@@ -40,6 +48,8 @@ examples:
     etm {
         compatible = "qcom,coresight-remote-etm";
 
+        qcom,inst-id = <5>;
+
         out-ports {
             port {
                 modem_etm0_out_funnel_modem: endpoint {
-- 
2.41.0