linux-kernel - [PATCH v1 1/9] dt-bindings: arm: Add support for DSB element

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Message-ID: <1669018873-4718-2-git-send-email-quic_taozha@quicinc.com>
Date:   Mon, 21 Nov 2022 16:21:05 +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>,
        Hao Zhang <quic_hazha@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <bjorn.andersson@...aro.org>
Subject: [PATCH v1 1/9] dt-bindings: arm: Add support for DSB element

Add property "qcom,dsb-elem-size" to support DSB(Discrete Single
Bit) element for TPDA. Specifies the DSB element size supported
by each monitor connected to the aggregator on each port. Should
be specified in pairs (port, dsb element size).

Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
---
 Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
index c46ddea..e3b58b5 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -58,6 +58,13 @@ properties:
     minItems: 1
     maxItems: 2
 
+  qcom,dsb-elem-size:
+    description: |
+      Specifies the DSB element size supported by each monitor
+      connected to the aggregator on each port. Should be specified
+      in pairs (port, dsb element size).
+    $ref: /schemas/types.yaml#/definitions/uint32-matrix
+
   clocks:
     maxItems: 1
 
@@ -100,6 +107,8 @@ examples:
        compatible = "qcom,coresight-tpda", "arm,primecell";
        reg = <0x6004000 0x1000>;
 
+       qcom,dsb-elem-size = <0 32>;
+
        clocks = <&aoss_qmp>;
        clock-names = "apb_pclk";
 
-- 
2.7.4