1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sram/qcom,imem.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm IMEM memory region
8
9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11
12 description:
13 Qualcomm IMEM is dedicated memory region for various debug features and DMA
14 transactions.
15
16 properties:
17 compatible:
18 items:
19 - enum:
20 - qcom,apq8064-imem
21 - qcom,msm8974-imem
22 - qcom,qcs404-imem
23 - qcom,sc7180-imem
24 - qcom,sc7280-imem
25 - qcom,sdm630-imem
26 - qcom,sdm845-imem
27 - qcom,sdx55-imem
28 - const: syscon
29 - const: simple-mfd
30
31 reg:
32 maxItems: 1
33
34 ranges: true
35
36 '#address-cells':
37 const: 1
38
39 '#size-cells':
40 const: 1
41
42 reboot-mode:
43 $ref: /schemas/power/reset/syscon-reboot-mode.yaml#
44
45 patternProperties:
46 "^pil-reloc@[0-9a-f]+$":
47 $ref: /schemas/remoteproc/qcom,pil-info.yaml#
48 description: Peripheral image loader relocation region
49
50 required:
51 - compatible
52 - reg
53
54 additionalProperties: false
55
56 examples:
57 - |
58 soc {
59 #address-cells = <2>;
60 #size-cells = <2>;
61
62 sram@146bf000 {
63 compatible = "qcom,sdm845-imem", "syscon", "simple-mfd";
64 reg = <0 0x146bf000 0 0x1000>;
65 ranges = <0 0 0x146bf000 0x1000>;
66
67 #address-cells = <1>;
68 #size-cells = <1>;
69
70 pil-reloc@94c {
71 compatible = "qcom,pil-reloc-info";
72 reg = <0x94c 0xc8>;
73 };
74 };
75 };
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