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

Tao Zhang
2023-03-23T06:06:17Z

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@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