linux-kernel - [PATCH 3/4] dt-bindings: arm: qcom,coresight-tpdm: Mark tpda input port number

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Message-ID: <1711009927-17873-4-git-send-email-quic_taozha@quicinc.com>
Date: Thu, 21 Mar 2024 16:32:06 +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 3/4] dt-bindings: arm: qcom,coresight-tpdm: Mark tpda input port number

Since the funnel supports multi-port output scenario, multiple
TPDMs may be connected to one TPDA. Add a new property
"qcom,tpda-input-port" to mark the input port number of the TPDA
in the device tree, TPDA driver can find out the right TPDM it needs
to search according to this new mark property.

Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
---
 .../devicetree/bindings/arm/qcom,coresight-tpdm.yaml      | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index 8eec07d9d454..383c0f5a658b 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -77,6 +77,12 @@ properties:
     minimum: 0
     maximum: 32
 
+  qcom,tpda-input-port:
+    description:
+      Specifies the number of the input port on the corresponding TPDA.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+
   clocks:
     maxItems: 1
 
@@ -112,6 +118,7 @@ examples:
 
       qcom,dsb-element-bits = <32>;
       qcom,dsb-msrs-num = <16>;
+      qcom,tpda-input-port = <0>;
 
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";
@@ -132,6 +139,7 @@ examples:
 
       qcom,cmb-element-bits = <64>;
       qcom,cmb-msrs-num = <32>;
+      qcom,tpda-input-port = <4>;
 
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";
-- 
2.17.1