1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/regulator/active-semi,act8945a.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Active-semi ACT8945a regulator
8
9 maintainers:
10 - Paul Cercueil <paul@crapouillou.net>
11
12 properties:
13 compatible:
14 const: active-semi,act8945a
15
16 reg:
17 maxItems: 1
18
19 system-power-controller:
20 description:
21 Indicates that the ACT8945a is responsible for powering OFF
22 the system.
23 type: boolean
24
25 active-semi,vsel-high:
26 description:
27 Indicates the VSEL pin is high. If this property is missing,
28 the VSEL pin is assumed to be low.
29 type: boolean
30
31 regulators:
32 type: object
33 additionalProperties: false
34
35 properties:
36 REG_DCDC1:
37 type: object
38 $ref: /schemas/regulator/regulator.yaml#
39 unevaluatedProperties: false
40
41 properties:
42 vp1-supply:
43 description: Handle to the VP1 input supply
44
45 REG_DCDC2:
46 type: object
47 $ref: /schemas/regulator/regulator.yaml#
48 unevaluatedProperties: false
49
50 properties:
51 vp2-supply:
52 description: Handle to the VP2 input supply
53
54 REG_DCDC3:
55 type: object
56 $ref: /schemas/regulator/regulator.yaml#
57 unevaluatedProperties: false
58
59 properties:
60 vp3-supply:
61 description: Handle to the VP3 input supply
62
63 patternProperties:
64 "^REG_LDO[1-2]$":
65 type: object
66 $ref: /schemas/regulator/regulator.yaml#
67 unevaluatedProperties: false
68
69 properties:
70 inl45-supply:
71 description: Handle to the INL45 input supply
72
73 "^REG_LDO[3-4]$":
74 type: object
75 $ref: /schemas/regulator/regulator.yaml#
76 unevaluatedProperties: false
77
78 properties:
79 inl67-supply:
80 description: Handle to the INL67 input supply
81
82 charger:
83 type: object
84 additionalProperties: false
85
86 properties:
87 compatible:
88 const: active-semi,act8945a-charger
89
90 interrupts:
91 maxItems: 1
92
93 active-semi,chglev-gpios:
94 description: CGHLEV GPIO
95 maxItems: 1
96
97 active-semi,lbo-gpios:
98 description: LBO GPIO
99 maxItems: 1
100
101 active-semi,input-voltage-threshold-microvolt:
102 description: Input voltage threshold
103 maxItems: 1
104
105 active-semi,precondition-timeout:
106 description: Precondition timeout
107 $ref: /schemas/types.yaml#/definitions/uint32
108
109 active-semi,total-timeout:
110 description: Total timeout
111 $ref: /schemas/types.yaml#/definitions/uint32
112
113 required:
114 - compatible
115 - interrupts
116
117 additionalProperties: false
118
119 required:
120 - reg
121 - compatible
122 - regulators
123
124 examples:
125 - |
126 #include <dt-bindings/gpio/gpio.h>
127 #include <dt-bindings/interrupt-controller/irq.h>
128 #include <dt-bindings/mfd/atmel-flexcom.h>
129 #include <dt-bindings/regulator/active-semi,8945a-regulator.h>
130
131 i2c {
132 #address-cells = <1>;
133 #size-cells = <0>;
134
135 pmic@5b {
136 compatible = "active-semi,act8945a";
137 reg = <0x5b>;
138 active-semi,vsel-high;
139
140 regulators {
141 REG_DCDC1 {
142 regulator-name = "VDD_1V35";
143 regulator-min-microvolt = <1350000>;
144 regulator-max-microvolt = <1350000>;
145 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
146 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
147 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
148 regulator-always-on;
149
150 regulator-state-mem {
151 regulator-on-in-suspend;
152 regulator-suspend-min-microvolt = <1400000>;
153 regulator-suspend-max-microvolt = <1400000>;
154 regulator-changeable-in-suspend;
155 regulator-mode = <ACT8945A_REGULATOR_MODE_LOWPOWER>;
156 };
157 };
158
159 REG_DCDC2 {
160 regulator-name = "VDD_1V2";
161 regulator-min-microvolt = <1100000>;
162 regulator-max-microvolt = <1300000>;
163 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
164 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
165 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
166 regulator-always-on;
167
168 regulator-state-mem {
169 regulator-off-in-suspend;
170 };
171 };
172
173 REG_DCDC3 {
174 regulator-name = "VDD_3V3";
175 regulator-min-microvolt = <3300000>;
176 regulator-max-microvolt = <3300000>;
177 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
178 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
179 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
180 regulator-always-on;
181
182 regulator-state-mem {
183 regulator-off-in-suspend;
184 };
185 };
186
187 REG_LDO1 {
188 regulator-name = "VDD_FUSE";
189 regulator-min-microvolt = <2500000>;
190 regulator-max-microvolt = <2500000>;
191 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
192 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
193 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
194 regulator-always-on;
195
196 regulator-state-mem {
197 regulator-off-in-suspend;
198 };
199 };
200
201 REG_LDO2 {
202 regulator-name = "VDD_3V3_LP";
203 regulator-min-microvolt = <3300000>;
204 regulator-max-microvolt = <3300000>;
205 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
206 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
207 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
208 regulator-always-on;
209
210 regulator-state-mem {
211 regulator-off-in-suspend;
212 };
213 };
214
215 REG_LDO3 {
216 regulator-name = "VDD_LED";
217 regulator-min-microvolt = <3300000>;
218 regulator-max-microvolt = <3300000>;
219 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
220 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
221 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
222 regulator-always-on;
223
224 regulator-state-mem {
225 regulator-off-in-suspend;
226 };
227 };
228
229 REG_LDO4 {
230 regulator-name = "VDD_SDHC_1V8";
231 regulator-min-microvolt = <1800000>;
232 regulator-max-microvolt = <1800000>;
233 regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
234 <ACT8945A_REGULATOR_MODE_LOWPOWER>;
235 regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
236 regulator-always-on;
237
238 regulator-state-mem {
239 regulator-off-in-suspend;
240 };
241 };
242 };
243
244 charger {
245 compatible = "active-semi,act8945a-charger";
246 pinctrl-names = "default";
247 pinctrl-0 = <&pinctrl_charger_chglev &pinctrl_charger_lbo &pinctrl_charger_irq>;
248 interrupt-parent = <&pioA>;
249 interrupts = <45 IRQ_TYPE_EDGE_RISING>;
250
251 active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
252 active-semi,lbo-gpios = <&pioA 72 GPIO_ACTIVE_LOW>;
253 active-semi,input-voltage-threshold-microvolt = <6600>;
254 active-semi,precondition-timeout = <40>;
255 active-semi,total-timeout = <3>;
256 };
257 };
258 };
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