1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/maxim,max14577.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 description: |
13 This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
14 Integrated Circuit (MUIC).
15
16 The Maxim MAX14577 is a MicroUSB and Companion Power Management IC which
17 includes voltage safeout regulators, charger and MicroUSB management IC.
18
19 The Maxim MAX77836 is a MicroUSB and Companion Power Management IC which
20 includes voltage safeout and LDO regulators, charger, fuel-gauge and MicroUSB
21 management IC.
22
23 properties:
24 compatible:
25 enum:
26 - maxim,max14577
27 - maxim,max77836
28
29 interrupts:
30 maxItems: 1
31
32 reg:
33 maxItems: 1
34
35 wakeup-source: true
36
37 charger:
38 $ref: /schemas/power/supply/maxim,max14577.yaml
39
40 extcon:
41 type: object
42 additionalProperties: false
43 properties:
44 compatible:
45 enum:
46 - maxim,max14577-muic
47 - maxim,max77836-muic
48
49 required:
50 - compatible
51
52 regulators:
53 $ref: /schemas/regulator/maxim,max14577.yaml
54
55 required:
56 - compatible
57 - interrupts
58 - reg
59 - charger
60
61 allOf:
62 - if:
63 properties:
64 compatible:
65 contains:
66 const: maxim,max14577
67 then:
68 properties:
69 charger:
70 properties:
71 compatible:
72 const: maxim,max14577-charger
73 extcon:
74 properties:
75 compatible:
76 const: maxim,max14577-muic
77 regulator:
78 properties:
79 compatible:
80 const: maxim,max14577-regulator
81 else:
82 properties:
83 charger:
84 properties:
85 compatible:
86 const: maxim,max77836-charger
87 extcon:
88 properties:
89 compatible:
90 const: maxim,max77836-muic
91 regulator:
92 properties:
93 compatible:
94 const: maxim,max77836-regulator
95
96 additionalProperties: false
97
98 examples:
99 - |
100 #include <dt-bindings/interrupt-controller/irq.h>
101
102 i2c {
103 #address-cells = <1>;
104 #size-cells = <0>;
105
106 pmic@25 {
107 compatible = "maxim,max14577";
108 reg = <0x25>;
109 interrupt-parent = <&gpx1>;
110 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
111
112 extcon {
113 compatible = "maxim,max14577-muic";
114 };
115
116 regulators {
117 compatible = "maxim,max14577-regulator";
118
119 SAFEOUT {
120 regulator-name = "SAFEOUT";
121 };
122
123 CHARGER {
124 regulator-name = "CHARGER";
125 regulator-min-microamp = <90000>;
126 regulator-max-microamp = <950000>;
127 regulator-boot-on;
128 };
129 };
130
131 charger {
132 compatible = "maxim,max14577-charger";
133
134 maxim,constant-uvolt = <4350000>;
135 maxim,fast-charge-uamp = <450000>;
136 maxim,eoc-uamp = <50000>;
137 maxim,ovp-uvolt = <6500000>;
138 };
139 };
140 };
141
142 - |
143 #include <dt-bindings/interrupt-controller/irq.h>
144
145 i2c {
146 #address-cells = <1>;
147 #size-cells = <0>;
148
149 pmic@25 {
150 compatible = "maxim,max77836";
151 interrupt-parent = <&gpx1>;
152 interrupts = <5 IRQ_TYPE_NONE>;
153 reg = <0x25>;
154 wakeup-source;
155
156 extcon {
157 compatible = "maxim,max77836-muic";
158 };
159
160 regulators {
161 compatible = "maxim,max77836-regulator";
162
163 SAFEOUT {
164 regulator-name = "SAFEOUT";
165 };
166
167 CHARGER {
168 regulator-name = "CHARGER";
169 regulator-min-microamp = <45000>;
170 regulator-max-microamp = <475000>;
171 regulator-boot-on;
172 };
173
174 LDO1 {
175 regulator-name = "MOT_2.7V";
176 regulator-min-microvolt = <1100000>;
177 regulator-max-microvolt = <2700000>;
178 };
179
180 LDO2 {
181 regulator-name = "UNUSED_LDO2";
182 regulator-min-microvolt = <800000>;
183 regulator-max-microvolt = <3950000>;
184 };
185 };
186
187 charger {
188 compatible = "maxim,max77836-charger";
189
190 maxim,constant-uvolt = <4350000>;
191 maxim,fast-charge-uamp = <225000>;
192 maxim,eoc-uamp = <7500>;
193 maxim,ovp-uvolt = <6500000>;
194 };
195 };
196 };
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