1 # SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/qcom/qcom,dcc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Data Capture and Compare
8
9 maintainers:
10 - Souradeep Chowdhury <quic_schowdhu@quicinc.com>
11
12 description: |
13 DCC (Data Capture and Compare) is a DMA engine which is used to save
14 configuration data or system memory contents during catastrophic failure
15 or SW trigger. DCC is used to capture and store data for debugging purpose
16
17 properties:
18 compatible:
19 items:
20 - enum:
21 - qcom,sm8150-dcc
22 - qcom,sc7280-dcc
23 - qcom,sc7180-dcc
24 - qcom,sdm845-dcc
25 - const: qcom,dcc
26
27 reg:
28 items:
29 - description: DCC base
30 - description: DCC RAM base
31
32 required:
33 - compatible
34 - reg
35
36 additionalProperties: false
37
38 examples:
39 - |
40 dma@10a2000{
41 compatible = "qcom,sm8150-dcc", "qcom,dcc";
42 reg = <0x010a2000 0x1000>,
43 <0x010ad000 0x2000>;
44 };
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