diff mbox series

[v6,02/13] dt-bindings: arm: Add support for DSB element size

Message ID 1687246361-23607-3-git-send-email-quic_taozha@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Add support to configure TPDM DSB subunit | expand

Commit Message

Tao Zhang June 20, 2023, 7:32 a.m. UTC
Add property "qcom,dsb-elem-size" to support DSB(Discrete Single
Bit) element for TPDM. The associated aggregator will read this
size before it is enabled. DSB element size currently only
supports 32-bit and 64-bit.

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

Comments

Rob Herring (Arm) June 22, 2023, 1:47 a.m. UTC | #1
On Tue, 20 Jun 2023 15:32:30 +0800, Tao Zhang wrote:
> Add property "qcom,dsb-elem-size" to support DSB(Discrete Single
> Bit) element for TPDM. The associated aggregator will read this
> size before it is enabled. DSB element size currently only
> supports 32-bit and 64-bit.
> 
> Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
> ---
>  Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
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 5c08342..931ee8f 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -44,6 +44,14 @@  properties:
     minItems: 1
     maxItems: 2
 
+  qcom,dsb-element-size:
+    description:
+      Specifies the DSB(Discrete Single Bit) element size supported by
+      the monitor. The associated aggregator will read this size before it
+      is enabled. DSB element size currently only supports 32-bit and 64-bit.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    enum: [32, 64]
+
   clocks:
     maxItems: 1
 
@@ -77,6 +85,8 @@  examples:
       compatible = "qcom,coresight-tpdm", "arm,primecell";
       reg = <0x0684c000 0x1000>;
 
+      qcom,dsb-element-size = /bits/ 8 <32>;
+
       clocks = <&aoss_qmp>;
       clock-names = "apb_pclk";