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

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Date:   Thu, 8 Sep 2022 16:44:57 +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 1/9] dt-bindings: arm: Add support for DSB element

Add property "qcom,dsb-elem-size" to support DSB 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 eb9bfc5..1bb3fdf 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -40,6 +40,13 @@ 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-array
+
   clocks:
     maxItems: 1
 
@@ -82,6 +89,8 @@ 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