linux-kernel - [PATCH 1/4] dt-bindings: arm: qcom,coresight-funnel: Add label for multi-ouput

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Date: Thu, 21 Mar 2024 16:32:04 +0800
From: Tao Zhang <quic_taozha@...cinc.com>
To: Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose
	<suzuki.poulose@....com>,
        Alexander Shishkin
	<alexander.shishkin@...ux.intel.com>,
        Konrad Dybcio <konradybcio@...il.com>,
        Mike Leach <mike.leach@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC: Tao Zhang <quic_taozha@...cinc.com>,
        Jinlong Mao
	<quic_jinlmao@...cinc.com>, Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>,
        <coresight@...ts.linaro.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Trilok Soni
	<quic_tsoni@...cinc.com>,
        Song Chai <quic_songchai@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <andersson@...nel.org>
Subject: [PATCH 1/4] dt-bindings: arm: qcom,coresight-funnel: Add label for multi-ouput

Add new property "label" to label the source corresponding to the
output connection. When the funnel supports multi-output, this
property needs to be introduced to mark which source component a
certain output connection corresponds to.

Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
---
 .../arm/arm,coresight-dynamic-funnel.yaml     | 34 ++++++++++++++++---
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
index 44a1041cb0fc..cde62c286d29 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
@@ -66,13 +66,39 @@ properties:
         $ref: /schemas/graph.yaml#/properties/port
 
   out-ports:
-    $ref: /schemas/graph.yaml#/properties/ports
-    additionalProperties: false
-
+    type: object
     properties:
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
       port:
+        type: object
+
+    patternProperties:
+      '^port(@[0-7])?$':
+        type: object
         description: Output connection to CoreSight Trace bus
-        $ref: /schemas/graph.yaml#/properties/port
+
+        patternProperties:
+          "^endpoint(@[0-9a-f]+)?$":
+            type: object
+            properties:
+              remote-endpoint:
+                description: |
+                  phandle to an 'endpoint' subnode of a remote device node.
+                  $ref: /schemas/types.yaml#/definitions/phandle
+              label:
+                description: Label the source corresponding to the output connection
+                $ref: /schemas/types.yaml#/definitions/string
+    oneOf:
+      - required:
+          - port
+      - required:
+          - "#address-cells"
+          - "#size-cells"
 
 required:
   - compatible
-- 
2.17.1