linux-kernel - [PATCH V25 1/3] dt-bindings: misc: qcom,dcc: Add the dtschema

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Message-ID: <1c657427d572cc4143e2787f473c59c293d09a71.1687945879.git.quic_schowdhu@quicinc.com>
Date:   Wed, 28 Jun 2023 15:53:30 +0530
From:   Souradeep Chowdhury <quic_schowdhu@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Alex Elder <elder@...e.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Sibi Sankar <quic_sibis@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Souradeep Chowdhury <quic_schowdhu@...cinc.com>
Subject: [PATCH V25 1/3] dt-bindings: misc: qcom,dcc: Add the dtschema

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

Signed-off-by: Souradeep Chowdhury <quic_schowdhu@...cinc.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Bjorn Andersson <andersson@...nel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/misc/qcom,dcc.yaml    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/qcom,dcc.yaml

diff --git a/Documentation/devicetree/bindings/misc/qcom,dcc.yaml b/Documentation/devicetree/bindings/misc/qcom,dcc.yaml
new file mode 100644
index 000000000000..572c10e7c2c8
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/qcom,dcc.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only 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 <quic_schowdhu@...cinc.com>
+
+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@...2000{
+        compatible = "qcom,sm8150-dcc", "qcom,dcc";
+        reg = <0x010a2000 0x1000>,
+              <0x010ad000 0x2000>;
+    };
-- 
2.17.1