[PATCH v2 1/9] dt-bindings: arm: Add support for DSB element

[Tao Zhang]

Add property "qcom,dsb-elem-size" to support DSB(Discrete Single
Bit) element for TPDA. Specifies the DSB element size supported
by each monitor connected to the aggregator on each port. Should
be specified in pairs (port, dsb element size).

Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
Signed-off-by: Tao Zhang <taozha@xxxxxxxxxxxxxxxx>
---
 .../bindings/arm/qcom,coresight-tpda.yaml          | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
index 2ec9b5b..298db7f 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -58,6 +58,26 @@ properties:
     minItems: 1
     maxItems: 2
 
+  qcom,dsb-element-size:
+    description: |
+      Specifies the DSB(Discrete Single Bit) element size supported by
+      each monitor connected to the aggregator on each port. Should be
+      specified in pairs <port, dsb element size>.
+
+      Note: The maximum value of the port number depends on how many
+      input ports the current TPDA has. DSB element size currently only
+      supports 32-bit and 64-bit.
+    $ref: /schemas/types.yaml#/definitions/uint32-matrix
+    items:
+      items:
+        - description: |
+            "port" indicates TPDA input port number
+          minimum: 0
+        - description: |
+            "dsb element size" indicates dsb element size
+          minimum: 0
+          maximum: 64
+
   clocks:
     maxItems: 1
 
@@ -100,6 +120,8 @@ examples:
        compatible = "qcom,coresight-tpda", "arm,primecell";
        reg = <0x6004000 0x1000>;
 
+       qcom,dsb-element-size = <0 32>;
+
        clocks = <&aoss_qmp>;
        clock-names = "apb_pclk";
 
-- 
2.7.4