1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/power/supply/maxim,max17042.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim 17042 fuel gauge series
8
9 maintainers:
10 - Sebastian Reichel <sre@kernel.org>
11
12 allOf:
13 - $ref: power-supply.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - maxim,max17042
19 - maxim,max17047
20 - maxim,max17050
21 - maxim,max17055
22 - maxim,max77849-battery
23
24 reg:
25 maxItems: 1
26
27 interrupts:
28 maxItems: 1
29 description: |
30 The ALRT pin, an open-drain interrupt.
31
32 maxim,rsns-microohm:
33 $ref: /schemas/types.yaml#/definitions/uint32
34 description: |
35 Resistance of rsns resistor in micro Ohms (datasheet-recommended value is 10000).
36 Defining this property enables current-sense functionality.
37
38 maxim,cold-temp:
39 $ref: /schemas/types.yaml#/definitions/uint32
40 description: |
41 Temperature threshold to report battery as cold (in tenths of degree Celsius).
42 Default is not to report cold events.
43
44 maxim,over-heat-temp:
45 $ref: /schemas/types.yaml#/definitions/uint32
46 description: |
47 Temperature threshold to report battery as over heated (in tenths of degree Celsius).
48 Default is not to report over heating events.
49
50 maxim,dead-volt:
51 $ref: /schemas/types.yaml#/definitions/uint32
52 description: |
53 Voltage threshold to report battery as dead (in mV).
54 Default is not to report dead battery events.
55
56 maxim,over-volt:
57 $ref: /schemas/types.yaml#/definitions/uint32
58 description: |
59 Voltage threshold to report battery as over voltage (in mV).
60 Default is not to report over-voltage events.
61
62 power-supplies: true
63
64 required:
65 - compatible
66 - reg
67
68 additionalProperties: false
69
70 examples:
71 - |
72 i2c {
73 #address-cells = <1>;
74 #size-cells = <0>;
75
76 battery@36 {
77 compatible = "maxim,max17042";
78 reg = <0x36>;
79 maxim,rsns-microohm = <10000>;
80 maxim,over-heat-temp = <600>;
81 maxim,over-volt = <4300>;
82 };
83 };
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