[V22,1/3] dt-bindings: misc: qcom,dcc: Add the dtschema

Commit Message

Souradeep Chowdhury April 18, 2023, 3:22 p.m. UTC

Add the device tree bindings for Data Capture and Compare(DCC).

Signed-off-by: Souradeep Chowdhury <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Reviewed-by: Bjorn Andersson <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
---
 .../devicetree/bindings/misc/qcom,dcc.yaml         | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/qcom,dcc.yaml

Patch

diff --git a/Documentation/devicetree/bindings/misc/qcom,dcc.yaml b/Documentation/devicetree/bindings/misc/qcom,dcc.yaml
new file mode 100644
index 0000000..055f3cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/qcom,dcc.yaml
@@ -0,0 +1,44 @@ 
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/qcom,dcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Data Capture and Compare
+
+maintainers:
+  - Souradeep Chowdhury <[e-mail]>
+
+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
+          - qcom,sc7280-dcc
+          - qcom,sc7180-dcc
+          - qcom,sdm845-dcc
+      - const: qcom,dcc
+
+  reg:
+    items:
+      - description: DCC base
+      - description: DCC RAM base
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    dma@10a2000{
+        compatible = "qcom,sm8150-dcc", "qcom,dcc";
+        reg = <0x010a2000 0x1000>,
+              <0x010ad000 0x2000>;
+    };