1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/maxim,max8925.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MAX8925 PMIC from Maxim Integrated.
8
9 maintainers:
10 - Lee Jones <lee@kernel.org>
11
12 properties:
13 compatible:
14 const: maxim,max8925
15
16 reg:
17 maxItems: 1
18
19 interrupts:
20 maxItems: 1
21
22 interrupt-controller: true
23
24 "#interrupt-cells":
25 const: 1
26 description:
27 The cell is the IRQ number
28
29 maxim,tsc-irq:
30 description: second interrupt from max8925
31 $ref: /schemas/types.yaml#/definitions/uint32
32
33 regulators:
34 type: object
35
36 patternProperties:
37 "^SDV[1-3]$|^LDO[1-9]$|^LDO1[0-9]$|^LDO20$":
38 description: regulator configuration for SDV1-3 and LDO1-20
39 $ref: /schemas/regulator/regulator.yaml
40 unevaluatedProperties: false
41
42 additionalProperties: false
43
44 backlight:
45 type: object
46 properties:
47 maxim,max8925-dual-string:
48 description: set to 1 to support dual string
49 $ref: /schemas/types.yaml#/definitions/uint32
50 enum: [0, 1]
51 default: 0
52
53 additionalProperties: false
54
55 charger:
56 type: object
57 properties:
58 batt-detect:
59 description: set to 1 if battery detection via ID pin is supported
60 $ref: /schemas/types.yaml#/definitions/uint32
61 enum: [0, 1]
62 default: 0
63
64 topoff-threshold:
65 description: charging current in topoff mode, configures bits 5-6 in CHG_CNTL1
66 $ref: /schemas/types.yaml#/definitions/uint32
67 minimum: 0
68 maximum: 3
69 default: 0
70
71 fast-charge:
72 description: set charging current in fast mode, configures bits 0-3 in CHG_CNTL1
73 $ref: /schemas/types.yaml#/definitions/uint32
74 minimum: 0
75 maximum: 7
76 default: 0
77
78 no-temp-support:
79 description: set to 1 if temperature sensing is not supported
80 $ref: /schemas/types.yaml#/definitions/uint32
81 enum: [0, 1]
82 default: 0
83
84 no-insert-detect:
85 description: set to 1 if AC detection is not supported
86 $ref: /schemas/types.yaml#/definitions/uint32
87 enum: [0, 1]
88 default: 0
89
90 additionalProperties: false
91
92 required:
93 - compatible
94 - reg
95 - interrupts
96 - interrupt-controller
97 - "#interrupt-cells"
98 - regulators
99
100 additionalProperties: false
101
102 examples:
103 - |
104 i2c {
105 #address-cells = <1>;
106 #size-cells = <0>;
107
108 pmic@3c {
109 compatible = "maxim,max8925";
110 reg = <0x3c>;
111 interrupts = <1>;
112 interrupt-parent = <&intcmux4>;
113 interrupt-controller;
114 #interrupt-cells = <1>;
115 maxim,tsc-irq = <0>;
116
117 regulators {
118 SDV1 {
119 regulator-min-microvolt = <637500>;
120 regulator-max-microvolt = <1425000>;
121 regulator-boot-on;
122 regulator-always-on;
123 };
124
125 LDO1 {
126 regulator-min-microvolt = <750000>;
127 regulator-max-microvolt = <3900000>;
128 regulator-boot-on;
129 regulator-always-on;
130 };
131 };
132
133 backlight {
134 maxim,max8925-dual-string = <0>;
135 };
136
137 charger {
138 batt-detect = <0>;
139 topoff-threshold = <1>;
140 fast-charge = <7>;
141 no-temp-support = <0>;
142 no-insert-detect = <0>;
143 };
144 };
145 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.