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