linux-kernel - [PATCH V6 1/7] dt-bindings: Added the yaml bindings for DCC

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Date:   Tue, 10 Aug 2021 23:24:37 +0530
From:   Souradeep Chowdhury <schowdhu@...eaurora.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>, vkoul@...nel.org,
        Souradeep Chowdhury <schowdhu@...eaurora.org>
Subject: [PATCH V6 1/7] dt-bindings: Added the yaml bindings for DCC

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

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Souradeep Chowdhury <schowdhu@...eaurora.org>
---
 .../devicetree/bindings/arm/msm/qcom,dcc.yaml      | 43 ++++++++++++++++++++++
 1 file changed, 43 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..b7a6619
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
@@ -0,0 +1,43 @@
+# 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@...eaurora.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
+          - qcom,sc7280-dcc
+          - qcom,sc7180-dcc
+          - qcom,sdm845-dcc
+      - const: qcom,dcc
+
+  reg:
+    items:
+      - description: DCC base register region
+      - description: DCC RAM base register region
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    dma@...2000{
+                compatible = "qcom,sm8150-dcc","qcom,dcc";
+                reg = <0x010a2000  0x1000>,
+                      <0x010ad000  0x2000>;
+    };
-- 
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