1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/maxim,max77693.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim MAX77693 MicroUSB and Companion Power Management IC
8
9 maintainers:
10 - Chanwoo Choi <cw00.choi@samsung.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
12
13 description: |
14 This is a part of device tree bindings for Maxim MAX77693 MicroUSB
15 Integrated Circuit (MUIC).
16
17 The Maxim MAX77693 is a MicroUSB and Companion Power Management IC which
18 includes voltage current regulators, charger, LED/flash, haptic motor driver
19 and MicroUSB management IC.
20
21 properties:
22 compatible:
23 const: maxim,max77693
24
25 interrupts:
26 maxItems: 1
27
28 reg:
29 maxItems: 1
30
31 charger:
32 $ref: /schemas/power/supply/maxim,max77693.yaml
33
34 led:
35 $ref: /schemas/leds/maxim,max77693.yaml
36
37 max77693-muic:
38 type: object
39 additionalProperties: false
40 deprecated: true
41
42 properties:
43 compatible:
44 const: maxim,max77693-muic
45
46 required:
47 - compatible
48
49 muic:
50 type: object
51 additionalProperties: false
52
53 properties:
54 compatible:
55 const: maxim,max77693-muic
56
57 connector:
58 $ref: /schemas/connector/usb-connector.yaml#
59 unevaluatedProperties: false
60
61 required:
62 - compatible
63
64 motor-driver:
65 type: object
66 additionalProperties: false
67
68 properties:
69 compatible:
70 const: maxim,max77693-haptic
71
72 haptic-supply:
73 description: Power supply to the haptic motor
74
75 pwms:
76 maxItems: 1
77
78 required:
79 - compatible
80 - haptic-supply
81 - pwms
82
83 regulators:
84 $ref: /schemas/regulator/maxim,max77693.yaml
85 description:
86 List of child nodes that specify the regulators.
87
88 required:
89 - compatible
90 - interrupts
91 - reg
92
93 additionalProperties: false
94
95 examples:
96 - |
97 #include <dt-bindings/interrupt-controller/irq.h>
98 #include <dt-bindings/leds/common.h>
99
100 i2c {
101 #address-cells = <1>;
102 #size-cells = <0>;
103
104 pmic@66 {
105 compatible = "maxim,max77693";
106 reg = <0x66>;
107 interrupt-parent = <&gpx1>;
108 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
109
110 regulators {
111 ESAFEOUT1 {
112 regulator-name = "ESAFEOUT1";
113 };
114
115 ESAFEOUT2 {
116 regulator-name = "ESAFEOUT2";
117 };
118
119 CHARGER {
120 regulator-name = "CHARGER";
121 regulator-min-microamp = <60000>;
122 regulator-max-microamp = <2580000>;
123 };
124 };
125
126 muic {
127 compatible = "maxim,max77693-muic";
128
129 connector {
130 compatible = "samsung,usb-connector-11pin",
131 "usb-b-connector";
132 label = "micro-USB";
133 type = "micro";
134
135 ports {
136 #address-cells = <1>;
137 #size-cells = <0>;
138
139 port@0 {
140 reg = <0>;
141
142 muic_to_usb: endpoint {
143 remote-endpoint = <&usb_to_muic>;
144 };
145 };
146
147 port@3 {
148 reg = <3>;
149
150 muic_to_mhl: endpoint {
151 remote-endpoint = <&mhl_to_muic>;
152 };
153 };
154 };
155 };
156 };
157
158 motor-driver {
159 compatible = "maxim,max77693-haptic";
160 haptic-supply = <&ldo26_reg>;
161 pwms = <&pwm 0 38022 0>;
162 };
163
164 charger {
165 compatible = "maxim,max77693-charger";
166
167 maxim,constant-microvolt = <4350000>;
168 maxim,min-system-microvolt = <3600000>;
169 maxim,thermal-regulation-celsius = <100>;
170 maxim,battery-overcurrent-microamp = <3500000>;
171 maxim,charge-input-threshold-microvolt = <4300000>;
172 };
173
174 led {
175 compatible = "maxim,max77693-led";
176 maxim,boost-mode = <LEDS_BOOST_FIXED>;
177 maxim,boost-mvout = <5000>;
178 maxim,mvsys-min = <2400>;
179
180 flash-led {
181 label = "max77693-flash";
182 function = LED_FUNCTION_FLASH;
183 color = <LED_COLOR_ID_WHITE>;
184 led-sources = <0>, <1>;
185 led-max-microamp = <500000>;
186 flash-max-microamp = <1250000>;
187 flash-max-timeout-us = <1000000>;
188 };
189 };
190 };
191 };
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