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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/mediatek,mt6331-regulator.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MT6331 Regulator from MediaTek Integrated
8
9maintainers:
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
11
12description: |
13 The MT6331 PMIC provides 6 BUCK and 21 LDO (Low Dropout) regulators
14 and nodes are named according to the regulator type:
15 buck-<name> and ldo-<name>.
16 MT6331 regulators node should be sub node of the MT6397 MFD node.
17
18properties:
19 compatible:
20 const: mediatek,mt6331-regulator
21
22patternProperties:
23 "^buck-v(core2|io18|dvfs11|dvfs12|dvfs13|dvfs14)$":
24 type: object
25 $ref: regulator.yaml#
26
27 properties:
28 regulator-name:
29 pattern: "^v(core2|io18|dvfs11|dvfs12|dvfs13|dvfs14)$"
30
31 unevaluatedProperties: false
32
33 "^ldo-(avdd32aud|vauxa32)$":
34 type: object
35 $ref: regulator.yaml#
36
37 properties:
38 regulator-name:
39 pattern: "^(avdd32_aud|vauxa32)$"
40
41 unevaluatedProperties: false
42
43 "^ldo-v(dig18|emc33|ibr|mc|mch|mipi|rtc|sim1|sim2|sram|usb10)$":
44 type: object
45 $ref: regulator.yaml#
46
47 properties:
48 regulator-name:
49 pattern: "^v(dig18|emc33|ibr|mc|mch|mipi|rtc|sim1|sim2|sram|usb)$"
50
51 unevaluatedProperties: false
52
53 "^ldo-vcam(a|af|d|io)$":
54 type: object
55 $ref: regulator.yaml#
56
57 properties:
58 regulator-name:
59 pattern: "^vcam(a|_af|d|io)$"
60
61 unevaluatedProperties: false
62
63 "^ldo-vtcxo[12]$":
64 type: object
65 $ref: regulator.yaml#
66
67 properties:
68 regulator-name:
69 pattern: "^vtcxo[12]$"
70
71 required:
72 - regulator-name
73
74 unevaluatedProperties: false
75
76 "^ldo-vgp[1234]$":
77 type: object
78 $ref: regulator.yaml#
79
80 properties:
81 regulator-name:
82 pattern: "^vgp[1234]$"
83
84 required:
85 - regulator-name
86
87 unevaluatedProperties: false
88
89required:
90 - compatible
91
92additionalProperties: false
93
94examples:
95 - |
96 pmic {
97 regulators {
98 mt6331_vdvfs11_reg: buck-vdvfs11 {
99 regulator-name = "vdvfs11";
100 regulator-min-microvolt = <700000>;
101 regulator-max-microvolt = <1493750>;
102 regulator-ramp-delay = <12500>;
103 regulator-enable-ramp-delay = <1>;
104 regulator-allowed-modes = <0 1>;
105 };
106 mt6331_vdvfs12_reg: buck-vdvfs12 {
107 regulator-name = "vdvfs12";
108 regulator-min-microvolt = <700000>;
109 regulator-max-microvolt = <1493750>;
110 regulator-ramp-delay = <12500>;
111 regulator-enable-ramp-delay = <1>;
112 regulator-allowed-modes = <0 1>;
113 };
114 mt6331_vdvfs13_reg: buck-vdvfs13 {
115 regulator-name = "vdvfs13";
116 regulator-min-microvolt = <700000>;
117 regulator-max-microvolt = <1493750>;
118 regulator-ramp-delay = <12500>;
119 regulator-enable-ramp-delay = <1>;
120 regulator-allowed-modes = <0 1>;
121 };
122 mt6331_vdvfs14_reg: buck-vdvfs14 {
123 regulator-name = "vdvfs14";
124 regulator-min-microvolt = <700000>;
125 regulator-max-microvolt = <1493750>;
126 regulator-ramp-delay = <12500>;
127 regulator-enable-ramp-delay = <1>;
128 regulator-allowed-modes = <0 1>;
129 };
130 mt6331_vcore2_reg: buck-vcore2 {
131 regulator-name = "vcore2";
132 regulator-min-microvolt = <700000>;
133 regulator-max-microvolt = <1493750>;
134 regulator-ramp-delay = <12500>;
135 regulator-enable-ramp-delay = <1>;
136 regulator-allowed-modes = <0 1>;
137 };
138 mt6331_vio18_reg: buck-vio18 {
139 regulator-name = "vio18";
140 regulator-min-microvolt = <1800000>;
141 regulator-max-microvolt = <1800000>;
142 regulator-ramp-delay = <12500>;
143 regulator-enable-ramp-delay = <0>;
144 regulator-allowed-modes = <0 1>;
145 };
146 mt6331_vtcxo1_reg: ldo-vtcxo1 {
147 regulator-name = "vtcxo1";
148 regulator-min-microvolt = <2800000>;
149 regulator-max-microvolt = <2800000>;
150 regulator-always-on;
151 regulator-boot-on;
152 };
153 mt6331_vtcxo2_reg: ldo-vtcxo2 {
154 regulator-name = "vtcxo2";
155 regulator-min-microvolt = <2800000>;
156 regulator-max-microvolt = <2800000>;
157 regulator-always-on;
158 regulator-boot-on;
159 };
160 mt6331_avdd32_aud_reg: ldo-avdd32aud {
161 regulator-name = "avdd32_aud";
162 regulator-min-microvolt = <2800000>;
163 regulator-max-microvolt = <3200000>;
164 };
165 mt6331_vauxa32_reg: ldo-vauxa32 {
166 regulator-name = "vauxa32";
167 regulator-min-microvolt = <2800000>;
168 regulator-max-microvolt = <3200000>;
169 };
170 mt6331_vcama_reg: ldo-vcama {
171 regulator-name = "vcama";
172 regulator-min-microvolt = <1500000>;
173 regulator-max-microvolt = <2800000>;
174 regulator-always-on;
175 };
176 mt6331_vio28_reg: ldo-vio28 {
177 regulator-name = "vio28";
178 regulator-min-microvolt = <2800000>;
179 regulator-max-microvolt = <2800000>;
180 regulator-always-on;
181 regulator-boot-on;
182 };
183 mt6331_vcamaf_reg: ldo-vcamaf {
184 regulator-name = "vcam_af";
185 regulator-min-microvolt = <1200000>;
186 regulator-max-microvolt = <3300000>;
187 };
188 mt6331_vmc_reg: ldo-vmc {
189 regulator-name = "vmc";
190 regulator-min-microvolt = <1800000>;
191 regulator-max-microvolt = <3300000>;
192 };
193 mt6331_vmch_reg: ldo-vmch {
194 regulator-name = "vmch";
195 regulator-min-microvolt = <3000000>;
196 regulator-max-microvolt = <3300000>;
197 };
198 mt6331_vemc33_reg: ldo-vemc33 {
199 regulator-name = "vemc33";
200 regulator-min-microvolt = <3300000>;
201 regulator-max-microvolt = <3300000>;
202 };
203 mt6331_vgp1_reg: ldo-vgp1 {
204 regulator-name = "vgp1";
205 regulator-min-microvolt = <1200000>;
206 regulator-max-microvolt = <3300000>;
207 };
208 mt6331_vsim1_reg: ldo-vsim1 {
209 regulator-name = "vsim1";
210 regulator-min-microvolt = <1700000>;
211 regulator-max-microvolt = <3100000>;
212 };
213 mt6331_vsim2_reg: ldo-vsim2 {
214 regulator-name = "vsim2";
215 regulator-min-microvolt = <1700000>;
216 regulator-max-microvolt = <3100000>;
217 };
218 mt6331_vmipi_reg: ldo-vmipi {
219 regulator-name = "vmipi";
220 regulator-min-microvolt = <1200000>;
221 regulator-max-microvolt = <3300000>;
222 };
223 mt6331_vibr_reg: ldo-vibr {
224 regulator-name = "vibr";
225 regulator-min-microvolt = <1200000>;
226 regulator-max-microvolt = <3300000>;
227 };
228 mt6331_vgp4_reg: ldo-vgp4 {
229 regulator-name = "vgp4";
230 regulator-min-microvolt = <1600000>;
231 regulator-max-microvolt = <2200000>;
232 };
233 mt6331_vcamd_reg: ldo-vcamd {
234 regulator-name = "vcamd";
235 regulator-min-microvolt = <900000>;
236 regulator-max-microvolt = <1500000>;
237 };
238 mt6331_vusb10_reg: ldo-vusb10 {
239 regulator-name = "vusb";
240 regulator-min-microvolt = <1000000>;
241 regulator-max-microvolt = <1300000>;
242 regulator-boot-on;
243 };
244 mt6331_vcamio_reg: ldo-vcamio {
245 regulator-name = "vcam_io";
246 regulator-min-microvolt = <1200000>;
247 regulator-max-microvolt = <1800000>;
248 };
249 mt6331_vsram_reg: ldo-vsram {
250 regulator-name = "vsram";
251 regulator-min-microvolt = <1012500>;
252 regulator-max-microvolt = <1012500>;
253 regulator-always-on;
254 regulator-boot-on;
255 };
256 mt6331_vgp2_reg: ldo-vgp2 {
257 regulator-name = "vgp2";
258 regulator-min-microvolt = <1100000>;
259 regulator-max-microvolt = <1500000>;
260 regulator-boot-on;
261 };
262 mt6331_vgp3_reg: ldo-vgp3 {
263 regulator-name = "vgp3";
264 regulator-min-microvolt = <1200000>;
265 regulator-max-microvolt = <1800000>;
266 };
267 mt6331_vrtc_reg: ldo-vrtc {
268 regulator-name = "vrtc";
269 regulator-min-microvolt = <2800000>;
270 regulator-max-microvolt = <2800000>;
271 regulator-always-on;
272 };
273 mt6331_vdig18_reg: ldo-vdig18 {
274 regulator-name = "dvdd18_dig";
275 regulator-min-microvolt = <1800000>;
276 regulator-max-microvolt = <1800000>;
277 };
278 };
279 };
280...