1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/thermal/sprd-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Spreadtrum thermal sensor controller
8
9 maintainers:
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
13
14 $ref: thermal-sensor.yaml#
15
16 properties:
17 compatible:
18 const: sprd,ums512-thermal
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 maxItems: 1
25
26 clock-names:
27 items:
28 - const: enable
29
30 nvmem-cells:
31 maxItems: 2
32 description:
33 Reference to nvmem nodes for the calibration data.
34
35 nvmem-cell-names:
36 items:
37 - const: thm_sign_cal
38 - const: thm_ratio_cal
39
40 "#thermal-sensor-cells":
41 const: 1
42
43 "#address-cells":
44 const: 1
45
46 "#size-cells":
47 const: 0
48
49 patternProperties:
50 "^([a-z]*-)?sensor(-section)?@[0-9]+$":
51 type: object
52 description:
53 Represent one thermal sensor.
54
55 properties:
56 reg:
57 description: Specify the sensor id.
58 maxItems: 1
59
60 nvmem-cells:
61 maxItems: 1
62 description:
63 Reference to an nvmem node for the calibration data.
64
65 nvmem-cell-names:
66 const: sen_delta_cal
67
68 required:
69 - reg
70 - nvmem-cells
71 - nvmem-cell-names
72
73 additionalProperties: false
74
75 required:
76 - compatible
77 - reg
78 - clocks
79 - clock-names
80 - nvmem-cells
81 - nvmem-cell-names
82 - "#address-cells"
83 - "#size-cells"
84
85 unevaluatedProperties: false
86
87 examples:
88 - |
89 thermal@32200000 {
90 compatible = "sprd,ums512-thermal";
91 reg = <0x32200000 0x10000>;
92 clock-names = "enable";
93 clocks = <&aonapb_gate 32>;
94 #thermal-sensor-cells = <1>;
95 nvmem-cells = <&thm0_sign>, <&thm0_ratio>;
96 nvmem-cell-names = "thm_sign_cal", "thm_ratio_cal";
97 #address-cells = <1>;
98 #size-cells = <0>;
99
100 prometheus-sensor@0 {
101 reg = <0>;
102 nvmem-cells = <&thm0_sen0>;
103 nvmem-cell-names = "sen_delta_cal";
104 };
105
106 ank-sensor@1 {
107 reg = <1>;
108 nvmem-cells = <&thm0_sen1>;
109 nvmem-cell-names = "sen_delta_cal";
110 };
111 };
112 ...
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