[PATCH v2 7/8] dt-bindings: arm: Add support for TPDM CMB MSR register

Tao Zhang quic_taozha at quicinc.com
Tue Oct 24 19:53:27 PDT 2023


Add property "qcom,cmb_msr_num" to support CMB MSR(mux select register)
for TPDM. It specifies the number of CMB MSR registers supported by
the TDPM.

Signed-off-by: Tao Zhang <quic_taozha at quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao at quicinc.com>
---
 Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index f9a2025..a586b80a 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -69,6 +69,15 @@ properties:
     minimum: 0
     maximum: 32
 
+  qcom,cmb-msrs-num:
+    description:
+      Specifies the number of CMB MSR(mux select register) registers supported
+      by the monitor. If this property is not configured or set to 0, it means
+      this TPDM doesn't support CMB MSR.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 32
+
   clocks:
     maxItems: 1
 
@@ -124,6 +133,7 @@ examples:
       reg-names = "tpdm-base";
 
       qcom,cmb-element-size = /bits/ 8 <64>;
+      qcom,cmb-msrs-num = <32>;
 
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";
-- 
2.7.4




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