linux-kernel - [PATCH V0 1/6] dt-bindings: Added the yaml bindings for DCC

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Date:   Wed, 17 Feb 2021 12:18:22 +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,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Souradeep Chowdhury <schowdhu@...eaurora.org>
Subject: [PATCH V0 1/6] dt-bindings: Added the yaml bindings for DCC

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

Signed-off-by: Souradeep Chowdhury <schowdhu@...eaurora.org>
---
 .../devicetree/bindings/arm/msm/qcom,dcc.yaml      | 49 ++++++++++++++++++++++
 1 file changed, 49 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..8f09578
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
@@ -0,0 +1,49 @@
+# 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
+    - const: qcom,dcc
+
+  reg:
+    items:
+      - description: DCC base register region
+      - description: DCC RAM base register region
+
+  reg-names:
+    items:
+      - const: dcc-base
+      - const: dcc-ram-base
+
+required:
+  - compatible
+  - reg
+  - reg-names
+
+additionalProperties: false
+
+examples:
+  - |
+    dcc@...a2000{
+                compatible = "qcom,sm8150-dcc";
+                reg = <0 0x010a2000 0  0x1000>,
+                      <0 0x010ae000 0  0x2000>;
+                reg-names = "dcc-base", "dcc-ram-base";
+    };
-- 
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