1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4
5 $id: http://devicetree.org/schemas/hwmon/adi,adm1275.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Analog Devices ADM1075/ADM127x/ADM1281/ADM129x digital power monitors
9
10 maintainers:
11 - Krzysztof Kozlowski <krzk@kernel.org>
12
13 description: |
14 The ADM1293 and ADM1294 are high accuracy integrated digital power monitors
15 that offer digital current, voltage, and power monitoring using an on-chip,
16 12-bit analog-to-digital converter (ADC), communicated through a PMBus
17 compliant I2C interface.
18
19 Datasheets:
20 https://www.analog.com/en/products/adm1294.html
21
22 properties:
23 compatible:
24 enum:
25 - adi,adm1075
26 - adi,adm1272
27 - adi,adm1275
28 - adi,adm1276
29 - adi,adm1278
30 - adi,adm1281
31 - adi,adm1293
32 - adi,adm1294
33
34 reg:
35 maxItems: 1
36
37 adi,volt-curr-sample-average:
38 description: |
39 Number of samples to be used to report voltage and current values.
40 $ref: /schemas/types.yaml#/definitions/uint32
41 enum: [1, 2, 4, 8, 16, 32, 64, 128]
42
43 adi,power-sample-average:
44 description: |
45 Number of samples to be used to report power values.
46 $ref: /schemas/types.yaml#/definitions/uint32
47 enum: [1, 2, 4, 8, 16, 32, 64, 128]
48
49 allOf:
50 - $ref: hwmon-common.yaml#
51 - if:
52 properties:
53 compatible:
54 contains:
55 enum:
56 - adi,adm1075
57 - adi,adm1276
58 then:
59 properties:
60 adi,volt-curr-sample-average:
61 default: 128
62 adi,power-sample-average: false
63
64 - if:
65 properties:
66 compatible:
67 contains:
68 enum:
69 - adi,adm1275
70 then:
71 properties:
72 adi,volt-curr-sample-average:
73 default: 16
74 adi,power-sample-average: false
75
76 - if:
77 properties:
78 compatible:
79 contains:
80 enum:
81 - adi,adm1272
82 then:
83 properties:
84 adi,volt-curr-sample-average:
85 default: 128
86 adi,power-sample-average:
87 default: 128
88
89 - if:
90 properties:
91 compatible:
92 contains:
93 enum:
94 - adi,adm1278
95 - adi,adm1281
96 - adi,adm1293
97 - adi,adm1294
98 then:
99 properties:
100 adi,volt-curr-sample-average:
101 default: 128
102 adi,power-sample-average:
103 default: 1
104
105 required:
106 - compatible
107 - reg
108
109 unevaluatedProperties: false
110
111 examples:
112 - |
113 i2c {
114 #address-cells = <1>;
115 #size-cells = <0>;
116
117 power-sensor@10 {
118 compatible = "adi,adm1272";
119 reg = <0x10>;
120 shunt-resistor-micro-ohms = <500>;
121 adi,volt-curr-sample-average = <128>;
122 adi,power-sample-average = <128>;
123 };
124 };
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