1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/mfd/ams,as3 4 $id: http://devicetree.org/schemas/mfd/ams,as3711.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Austria MicroSystems AS3711 Quad Buck H 7 title: Austria MicroSystems AS3711 Quad Buck High Current PMIC with Charger
8 8
9 maintainers: 9 maintainers:
10 - Guennadi Liakhovetski <guennadi.liakhovetsk 10 - Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
11 11
12 description: 12 description:
13 AS3711 is an I2C PMIC from Austria MicroSyst 13 AS3711 is an I2C PMIC from Austria MicroSystems with multiple DC/DC and LDO
14 power supplies, a battery charger and an RTC 14 power supplies, a battery charger and an RTC. So far only bindings for the
15 two step-up DC/DC converters are defined. 15 two step-up DC/DC converters are defined.
16 16
17 properties: 17 properties:
18 compatible: 18 compatible:
19 const: ams,as3711 19 const: ams,as3711
20 20
21 reg: 21 reg:
22 maxItems: 1 22 maxItems: 1
23 23
24 backlight: 24 backlight:
25 description: 25 description:
26 Step-up converter configuration, to be u 26 Step-up converter configuration, to be used as a backlight source
27 type: object 27 type: object
28 additionalProperties: false 28 additionalProperties: false
29 properties: 29 properties:
30 compatible: 30 compatible:
31 const: ams,as3711-bl 31 const: ams,as3711-bl
32 32
33 su1-dev: 33 su1-dev:
34 description: Framebuffer phandle for t 34 description: Framebuffer phandle for the first step-up converter
35 $ref: /schemas/types.yaml#/definitions 35 $ref: /schemas/types.yaml#/definitions/phandle
36 36
37 su1-max-uA: 37 su1-max-uA:
38 description: Maximum current for the f 38 description: Maximum current for the first step-up converter
39 $ref: /schemas/types.yaml#/definitions 39 $ref: /schemas/types.yaml#/definitions/uint32
40 40
41 su2-dev: 41 su2-dev:
42 description: Framebuffer phandle for t 42 description: Framebuffer phandle for the second step-up converter
43 $ref: /schemas/types.yaml#/definitions 43 $ref: /schemas/types.yaml#/definitions/phandle
44 44
45 su2-max-uA: 45 su2-max-uA:
46 description: Maximum current for the s 46 description: Maximum current for the second step-up converter
47 $ref: /schemas/types.yaml#/definitions 47 $ref: /schemas/types.yaml#/definitions/uint32
48 48
49 su2-feedback-voltage: 49 su2-feedback-voltage:
50 description: Second step-up converter 50 description: Second step-up converter uses voltage feedback
51 type: boolean 51 type: boolean
52 52
53 su2-feedback-curr1: 53 su2-feedback-curr1:
54 description: 54 description:
55 Second step-up converter uses CURR1 55 Second step-up converter uses CURR1 input for current feedback
56 type: boolean 56 type: boolean
57 57
58 su2-feedback-curr2: 58 su2-feedback-curr2:
59 description: 59 description:
60 Second step-up converter uses CURR2 60 Second step-up converter uses CURR2 input for current feedback
61 type: boolean 61 type: boolean
62 62
63 su2-feedback-curr3: 63 su2-feedback-curr3:
64 description: 64 description:
65 Second step-up converter uses CURR3 65 Second step-up converter uses CURR3 input for current feedback
66 type: boolean 66 type: boolean
67 67
68 su2-feedback-curr-auto: 68 su2-feedback-curr-auto:
69 description: 69 description:
70 Second step-up converter uses automa 70 Second step-up converter uses automatic current feedback selection
71 type: boolean 71 type: boolean
72 72
73 su2-fbprot-lx-sd4: 73 su2-fbprot-lx-sd4:
74 description: 74 description:
75 Second step-up converter uses LX_SD4 75 Second step-up converter uses LX_SD4 for over-voltage protection
76 type: boolean 76 type: boolean
77 77
78 su2-fbprot-gpio2: 78 su2-fbprot-gpio2:
79 description: 79 description:
80 Second step-up converter uses GPIO2 80 Second step-up converter uses GPIO2 for over-voltage protection
81 type: boolean 81 type: boolean
82 82
83 su2-fbprot-gpio3: 83 su2-fbprot-gpio3:
84 description: 84 description:
85 Second step-up converter uses GPIO3 85 Second step-up converter uses GPIO3 for over-voltage protection
86 type: boolean 86 type: boolean
87 87
88 su2-fbprot-gpio4: 88 su2-fbprot-gpio4:
89 description: 89 description:
90 Second step-up converter uses GPIO4 90 Second step-up converter uses GPIO4 for over-voltage protection
91 type: boolean 91 type: boolean
92 92
93 su2-auto-curr1: 93 su2-auto-curr1:
94 description: 94 description:
95 Second step-up converter uses CURR1 95 Second step-up converter uses CURR1 input for automatic current
96 feedback 96 feedback
97 type: boolean 97 type: boolean
98 98
99 su2-auto-curr2: 99 su2-auto-curr2:
100 description: 100 description:
101 Second step-up converter uses CURR2 101 Second step-up converter uses CURR2 input for automatic current
102 feedback 102 feedback
103 type: boolean 103 type: boolean
104 104
105 su2-auto-curr3: 105 su2-auto-curr3:
106 description: 106 description:
107 Second step-up converter uses CURR3 107 Second step-up converter uses CURR3 input for automatic current
108 feedback 108 feedback
109 type: boolean 109 type: boolean
110 110
111 required: 111 required:
112 - compatible 112 - compatible
113 113
114 dependentRequired: 114 dependentRequired:
115 # To use the SU1 converter as a backligh 115 # To use the SU1 converter as a backlight source the following two
116 # properties must be provided: 116 # properties must be provided:
117 su1-dev: [ su1-max-uA ] 117 su1-dev: [ su1-max-uA ]
118 su1-max-uA: [ su1-dev ] 118 su1-max-uA: [ su1-dev ]
119 119
120 # To use the SU2 converter as a backligh 120 # To use the SU2 converter as a backlight source the following two
121 # properties must be provided: 121 # properties must be provided:
122 su2-dev: [ su2-max-uA ] 122 su2-dev: [ su2-max-uA ]
123 su2-max-uA: [ su2-dev ] 123 su2-max-uA: [ su2-dev ]
124 124
125 su2-feedback-voltage: [ su2-dev ] 125 su2-feedback-voltage: [ su2-dev ]
126 su2-feedback-curr1: [ su2-dev ] 126 su2-feedback-curr1: [ su2-dev ]
127 su2-feedback-curr2: [ su2-dev ] 127 su2-feedback-curr2: [ su2-dev ]
128 su2-feedback-curr3: [ su2-dev ] 128 su2-feedback-curr3: [ su2-dev ]
129 su2-feedback-curr-auto: [ su2-dev ] 129 su2-feedback-curr-auto: [ su2-dev ]
130 su2-fbprot-lx-sd4: [ su2-dev ] 130 su2-fbprot-lx-sd4: [ su2-dev ]
131 su2-fbprot-gpio2: [ su2-dev ] 131 su2-fbprot-gpio2: [ su2-dev ]
132 su2-fbprot-gpio3: [ su2-dev ] 132 su2-fbprot-gpio3: [ su2-dev ]
133 su2-fbprot-gpio4: [ su2-dev ] 133 su2-fbprot-gpio4: [ su2-dev ]
134 su2-auto-curr1: [ su2-feedback-curr-auto 134 su2-auto-curr1: [ su2-feedback-curr-auto ]
135 su2-auto-curr2: [ su2-feedback-curr-auto 135 su2-auto-curr2: [ su2-feedback-curr-auto ]
136 su2-auto-curr3: [ su2-feedback-curr-auto 136 su2-auto-curr3: [ su2-feedback-curr-auto ]
137 137
138 dependentSchemas: 138 dependentSchemas:
139 su2-dev: 139 su2-dev:
140 allOf: 140 allOf:
141 - oneOf: 141 - oneOf:
142 - required: 142 - required:
143 - su2-feedback-voltage 143 - su2-feedback-voltage
144 - required: 144 - required:
145 - su2-feedback-curr1 145 - su2-feedback-curr1
146 - required: 146 - required:
147 - su2-feedback-curr2 147 - su2-feedback-curr2
148 - required: 148 - required:
149 - su2-feedback-curr3 149 - su2-feedback-curr3
150 - required: 150 - required:
151 - su2-feedback-curr-auto 151 - su2-feedback-curr-auto
152 - oneOf: 152 - oneOf:
153 - required: 153 - required:
154 - su2-fbprot-lx-sd4 154 - su2-fbprot-lx-sd4
155 - required: 155 - required:
156 - su2-fbprot-gpio2 156 - su2-fbprot-gpio2
157 - required: 157 - required:
158 - su2-fbprot-gpio3 158 - su2-fbprot-gpio3
159 - required: 159 - required:
160 - su2-fbprot-gpio4 160 - su2-fbprot-gpio4
161 161
162 su2-feedback-curr-auto: 162 su2-feedback-curr-auto:
163 anyOf: 163 anyOf:
164 - required: 164 - required:
165 - su2-auto-curr1 165 - su2-auto-curr1
166 - required: 166 - required:
167 - su2-auto-curr2 167 - su2-auto-curr2
168 - required: 168 - required:
169 - su2-auto-curr3 169 - su2-auto-curr3
170 170
171 regulators: 171 regulators:
172 description: Other DC/DC and LDO supplies 172 description: Other DC/DC and LDO supplies
173 type: object 173 type: object
174 unevaluatedProperties: false 174 unevaluatedProperties: false
175 patternProperties: 175 patternProperties:
176 "^(sd[1-4]|ldo[1-8])$": 176 "^(sd[1-4]|ldo[1-8])$":
177 type: object 177 type: object
178 $ref: /schemas/regulator/regulator.yam 178 $ref: /schemas/regulator/regulator.yaml#
179 unevaluatedProperties: false 179 unevaluatedProperties: false
180 180
181 required: 181 required:
182 - compatible 182 - compatible
183 - reg 183 - reg
184 184
185 additionalProperties: false 185 additionalProperties: false
186 186
187 examples: 187 examples:
188 - | 188 - |
189 i2c { 189 i2c {
190 #address-cells = <1>; 190 #address-cells = <1>;
191 #size-cells = <0>; 191 #size-cells = <0>;
192 192
193 pmic@40 { 193 pmic@40 {
194 compatible = "ams,as3711"; 194 compatible = "ams,as3711";
195 reg = <0x40>; 195 reg = <0x40>;
196 196
197 regulators { 197 regulators {
198 sd4 { 198 sd4 {
199 regulator-name = "1.215V"; 199 regulator-name = "1.215V";
200 regulator-min-microvolt = 200 regulator-min-microvolt = <1215000>;
201 regulator-max-microvolt = 201 regulator-max-microvolt = <1235000>;
202 }; 202 };
203 ldo2 { 203 ldo2 {
204 regulator-name = "2.8V CPU 204 regulator-name = "2.8V CPU";
205 regulator-min-microvolt = 205 regulator-min-microvolt = <2800000>;
206 regulator-max-microvolt = 206 regulator-max-microvolt = <2800000>;
207 regulator-always-on; 207 regulator-always-on;
208 regulator-boot-on; 208 regulator-boot-on;
209 }; 209 };
210 }; 210 };
211 211
212 backlight { 212 backlight {
213 compatible = "ams,as3711-bl"; 213 compatible = "ams,as3711-bl";
214 su2-dev = <&lcdc>; 214 su2-dev = <&lcdc>;
215 su2-max-uA = <36000>; 215 su2-max-uA = <36000>;
216 su2-feedback-curr-auto; 216 su2-feedback-curr-auto;
217 su2-fbprot-gpio4; 217 su2-fbprot-gpio4;
218 su2-auto-curr1; 218 su2-auto-curr1;
219 su2-auto-curr2; 219 su2-auto-curr2;
220 su2-auto-curr3; 220 su2-auto-curr3;
221 }; 221 };
222 }; 222 };
223 }; 223 };
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