[PATCH V4 1/4] dt-bindings: Added the yaml bindings for DCC

Souradeep Chowdhury
2021-05-03T16:19:53Z

Documentation for Data Capture and Compare(DCC) device tree bindings
in yaml format.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Souradeep Chowdhury <schowdhu@codeaurora.org>
---
.../devicetree/bindings/arm/msm/qcom,dcc.yaml | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml

diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
new file mode 100644
index 0000000..9714c97
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/msm/qcom,dcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Data Capture and Compare
+
+maintainers:
+ - Souradeep Chowdhury <schowdhu@codeaurora.org>
+
+description: |
+ DCC (Data Capture and Compare) is a DMA engine which is used to save
+ configuration data or system memory contents during catastrophic failure
+ or SW trigger. DCC is used to capture and store data for debugging purpose
+properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,sm8150-dcc
+ - const: qcom,dcc
+
+ reg:
+ items:
+ - description: DCC base register region
+ - description: DCC RAM base register region
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ dma@10a2000{
+ compatible = "qcom,sm8150-dcc","qcom,dcc";
+ reg = <0x010a2000 0x1000>,
+ <0x010ad000 0x2000>;
+ };