diff mbox series

[v9,12/13] dt-bindings: arm: Add support for DSB MSR register

Message ID 1694670204-11515-13-git-send-email-quic_taozha@quicinc.com
State Accepted
Commit 8e05f86f07a0359584ceb2715fedcc4daf29d898
Headers show
Series Add support to configure TPDM DSB subunit | expand

Commit Message

Tao Zhang Sept. 14, 2023, 5:43 a.m. UTC 
Add property "qcom,dsb-msrs-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@quicinc.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index e19fc37..61ddc3b 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -52,6 +52,15 @@  properties:
     $ref: /schemas/types.yaml#/definitions/uint8
     enum: [32, 64]
 
+  qcom,dsb-msrs-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
 
@@ -86,6 +95,7 @@  examples:
       reg = <0x0684c000 0x1000>;
 
       qcom,dsb-element-size = /bits/ 8 <32>;
+      qcom,dsb-msrs-num = <16>;
 
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";