1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/ti,twl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Texas Instruments TWL family
8
9 maintainers:
10 - Andreas Kemnade <andreas@kemnade.info>
11
12 description: |
13 The TWLs are Integrated Power Management Chips.
14 Some version might contain much more analog function like
15 USB transceiver or Audio amplifier.
16 These chips are connected to an i2c bus.
17
18 allOf:
19 - if:
20 properties:
21 compatible:
22 contains:
23 const: ti,twl4030
24 then:
25 patternProperties:
26 "^regulator-":
27 properties:
28 compatible:
29 enum:
30 - ti,twl4030-vaux1
31 - ti,twl4030-vaux2
32 - ti,twl4030-vaux3
33 - ti,twl4030-vaux4
34 - ti,twl4030-vmmc1
35 - ti,twl4030-vmmc2
36 - ti,twl4030-vpll1
37 - ti,twl4030-vpll2
38 - ti,twl4030-vsim
39 - ti,twl4030-vdac
40 - ti,twl4030-vintana2
41 - ti,twl4030-vio
42 - ti,twl4030-vdd1
43 - ti,twl4030-vdd2
44 - ti,twl4030-vintana1
45 - ti,twl4030-vintdig
46 - ti,twl4030-vusb1v5
47 - ti,twl4030-vusb1v8
48 - ti,twl4030-vusb3v1
49 ti,retain-on-reset: false
50
51 properties:
52 madc:
53 type: object
54 $ref: /schemas/iio/adc/ti,twl4030-madc.yaml
55 unevaluatedProperties: false
56
57 bci:
58 type: object
59 $ref: /schemas/power/supply/twl4030-charger.yaml
60 unevaluatedProperties: false
61
62 pwrbutton:
63 type: object
64 additionalProperties: false
65 properties:
66 compatible:
67 const: ti,twl4030-pwrbutton
68 interrupts:
69 items:
70 - items:
71 const: 8
72
73 watchdog:
74 type: object
75 additionalProperties: false
76 properties:
77 compatible:
78 const: ti,twl4030-wdt
79 - if:
80 properties:
81 compatible:
82 contains:
83 const: ti,twl6030
84 then:
85 patternProperties:
86 "^regulator-":
87 properties:
88 compatible:
89 enum:
90 - ti,twl6030-vaux1
91 - ti,twl6030-vaux2
92 - ti,twl6030-vaux3
93 - ti,twl6030-vmmc
94 - ti,twl6030-vpp
95 - ti,twl6030-vusim
96 - ti,twl6030-vana
97 - ti,twl6030-vcxio
98 - ti,twl6030-vdac
99 - ti,twl6030-vusb
100 - ti,twl6030-v1v8
101 - ti,twl6030-v2v1
102 - ti,twl6030-vdd1
103 - ti,twl6030-vdd2
104 - ti,twl6030-vdd3
105 regulator-initial-mode: false
106
107 properties:
108 gpadc:
109 type: object
110 properties:
111 compatible:
112 const: ti,twl6030-gpadc
113 - if:
114 properties:
115 compatible:
116 contains:
117 const: ti,twl6032
118 then:
119 patternProperties:
120 "^regulator-":
121 properties:
122 compatible:
123 enum:
124 - ti,twl6032-ldo1
125 - ti,twl6032-ldo2
126 - ti,twl6032-ldo3
127 - ti,twl6032-ldo4
128 - ti,twl6032-ldo5
129 - ti,twl6032-ldo6
130 - ti,twl6032-ldo7
131 - ti,twl6032-ldoln
132 - ti,twl6032-ldousb
133 - ti,twl6032-smps3
134 - ti,twl6032-smps4
135 - ti,twl6032-vio
136 regulator-initial-mode: false
137
138 properties:
139 gpadc:
140 type: object
141 properties:
142 compatible:
143 const: ti,twl6032-gpadc
144
145 properties:
146 compatible:
147 description:
148 TWL4030 for integrated power-management/audio CODEC device used in OMAP3
149 based boards
150 TWL6030/32 for integrated power-management used in OMAP4 based boards
151 enum:
152 - ti,twl4030
153 - ti,twl6030
154 - ti,twl6032
155
156 reg:
157 maxItems: 1
158
159 interrupts:
160 maxItems: 1
161
162 interrupt-controller: true
163
164 system-power-controller: true
165
166 "#interrupt-cells":
167 const: 1
168
169 "#clock-cells":
170 const: 1
171
172 rtc:
173 type: object
174 additionalProperties: false
175 properties:
176 compatible:
177 const: ti,twl4030-rtc
178 interrupts:
179 maxItems: 1
180
181 patternProperties:
182 "^regulator-":
183 type: object
184 unevaluatedProperties: false
185 $ref: /schemas/regulator/regulator.yaml
186 properties:
187 compatible: true
188 regulator-initial-mode:
189 enum:
190 - 0x08 # Sleep mode, the nominal output voltage is maintained
191 # with low power consumption with low load current capability
192 - 0x0e # Active mode, the regulator can deliver its nominal output
193 # voltage with full-load current capability
194 ti,retain-on-reset:
195 description:
196 Does not turn off the supplies during warm
197 reset. Could be needed for VMMC, as TWL6030
198 reset sequence for this signal does not comply
199 with the SD specification.
200 type: boolean
201
202 unevaluatedProperties: false
203
204 required:
205 - compatible
206 - reg
207 - interrupts
208 - interrupt-controller
209 - "#interrupt-cells"
210
211 examples:
212 - |
213 i2c {
214 #address-cells = <1>;
215 #size-cells = <0>;
216
217 pmic@48 {
218 compatible = "ti,twl6030";
219 reg = <0x48>;
220 interrupts = <39>; /* IRQ_SYS_1N cascaded to gic */
221 interrupt-parent = <&gic>;
222 interrupt-controller;
223 #interrupt-cells = <1>;
224
225 gpadc {
226 compatible = "ti,twl6030-gpadc";
227 interrupts = <6>;
228 #io-channel-cells = <1>;
229 };
230
231 rtc {
232 compatible = "ti,twl4030-rtc";
233 interrupts = <8>;
234 };
235
236 regulator-vaux1 {
237 compatible = "ti,twl6030-vaux1";
238 regulator-min-microvolt = <1000000>;
239 regulator-max-microvolt = <3000000>;
240 };
241
242 regulator-vmmc1 {
243 compatible = "ti,twl6030-vmmc";
244 ti,retain-on-reset;
245 };
246 };
247 };
248
249 - |
250 i2c {
251 #address-cells = <1>;
252 #size-cells = <0>;
253
254 pmic@48 {
255 compatible = "ti,twl4030";
256 reg = <0x48>;
257 interrupts = <7>; /* SYS_NIRQ cascaded to intc */
258 interrupt-parent = <&intc>;
259 interrupt-controller;
260 #interrupt-cells = <1>;
261
262 bci {
263 compatible = "ti,twl4030-bci";
264 interrupts = <9>, <2>;
265 bci3v1-supply = <&vusb3v1>;
266 io-channels = <&twl_madc 11>;
267 io-channel-names = "vac";
268 };
269
270 twl_madc: madc {
271 compatible = "ti,twl4030-madc";
272 interrupts = <3>;
273 #io-channel-cells = <1>;
274 };
275
276 pwrbutton {
277 compatible = "ti,twl4030-pwrbutton";
278 interrupts = <8>;
279 };
280
281 rtc {
282 compatible = "ti,twl4030-rtc";
283 interrupts = <11>;
284 };
285
286 regulator-vaux1 {
287 compatible = "ti,twl4030-vaux1";
288 regulator-min-microvolt = <1000000>;
289 regulator-max-microvolt = <3000000>;
290 regulator-initial-mode = <0xe>;
291 };
292
293 vusb3v1: regulator-vusb3v1 {
294 compatible = "ti,twl4030-vusb3v1";
295 };
296
297 watchdog {
298 compatible = "ti,twl4030-wdt";
299 };
300 };
301 };
302 ...
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