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Date:   Wed, 25 Oct 2023 10:53:21 +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 v2 1/8] dt-bindings: arm: Add support for CMB element size

Add property "qcom,cmb-elem-size" to support CMB(Continuous
Multi-Bit) element for TPDM. The associated aggregator will read
this size before it is enabled. CMB element size currently only
supports 32-bit and 64-bit.

Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
---
 .../bindings/arm/qcom,coresight-tpdm.yaml          | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index 61ddc3b..f9a2025 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -52,6 +52,14 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint8
     enum: [32, 64]
 
+  qcom,cmb-element-size:
+    description:
+      Specifies the CMB(Continuous Multi-Bit) element size supported by
+      the monitor. The associated aggregator will read this size before it
+      is enabled. CMB element size currently only supports 32-bit and 64-bit.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    enum: [8, 32, 64]
+
   qcom,dsb-msrs-num:
     description:
       Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
@@ -110,4 +118,23 @@ examples:
       };
     };
 
+    tpdm@...9000 {
+      compatible = "qcom,coresight-tpdm", "arm,primecell";
+      reg = <0x06c29000 0x1000>;
+      reg-names = "tpdm-base";
+
+      qcom,cmb-element-size = /bits/ 8 <64>;
+
+      clocks = <&aoss_qmp>;
+      clock-names = "apb_pclk";
+
+      out-ports {
+        port {
+          tpdm_ipcc_out_funnel_center: endpoint {
+            remote-endpoint =
+              <&funnel_center_in_tpdm_ipcc>;
+          };
+        };
+      };
+    };
 ...
-- 
2.7.4

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