[PATCH v3 10/11] dt-bindings: arm: Add support for DSB MSR register

[Tao Zhang]

Add property "qcom,dsb_msr_num" to support DSB(Discrete Single
Bit) MSR(mux select register) for TPDM. It specifies the number
of MSR registers supported by the DSB TDPM.

Signed-off-by: Tao Zhang <quic_taozha 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 d9b6b613..691c7ba 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -53,6 +53,15 @@ properties:
     minimum: 32
     maximum: 64
 
+  qcom,dsb_msr_num:
+    description:
+      Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
+      registers supported by the monitor. If this property is not configured
+      or set to 0, it means this DSB TPDM doesn't support MSR.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 32
+
   clocks:
     maxItems: 1
 
@@ -87,6 +96,7 @@ examples:
       reg = <0x0684c000 0x1000>;
 
       qcom,dsb-element-size = <32>;
+      qcom,dsb_msr_num = <16>;
 
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";
-- 
2.7.4