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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MT6331 Regulator from MediaTek Integrated
8
9 maintainers:
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
11
12 description: |
13 The MT6331 PMIC provides 6 BUCK and 21 LDO (Low Dropout) regulators
14 and nodes are named according to the regulator type:
15 buck-<name> and ldo-<name>.
16 MT6331 regulators node should be sub node of the MT6397 MFD node.
17
18 patternProperties:
19 "^buck-v(core2|io18|dvfs11|dvfs12|dvfs13|dvfs14)$":
20 type: object
21 $ref: regulator.yaml#
22
23 properties:
24 regulator-name:
25 pattern: "^v(core2|io18|dvfs11|dvfs12|dvfs13|dvfs14)$"
26
27 unevaluatedProperties: false
28
29 "^ldo-v(avdd32aud|auxa32)$":
30 type: object
31 $ref: regulator.yaml#
32
33 properties:
34 regulator-name:
35 pattern: "^v(avdd32aud|auxa32)$"
36
37 unevaluatedProperties: false
38
39 "^ldo-v(dig18|emc33|ibr|mc|mch|mipi|rtc|sram|usb10)$":
40 type: object
41 $ref: regulator.yaml#
42
43 properties:
44 regulator-name:
45 pattern: "^v(dig18|emc33|ibr|mc|mch|mipi|rtc|sram|usb10)$"
46
47 unevaluatedProperties: false
48
49 "^ldo-vcam(a|af|d|io)$":
50 type: object
51 $ref: regulator.yaml#
52
53 properties:
54 regulator-name:
55 pattern: "^vcam(a|af|d|io)$"
56
57 unevaluatedProperties: false
58
59 "^ldo-vtcxo[12]$":
60 type: object
61 $ref: regulator.yaml#
62
63 properties:
64 regulator-name:
65 pattern: "^vtcxo[12]$"
66
67 required:
68 - regulator-name
69
70 unevaluatedProperties: false
71
72 "^ldo-vgp[1234]$":
73 type: object
74 $ref: regulator.yaml#
75
76 properties:
77 regulator-name:
78 pattern: "^vgp[12]$"
79
80 required:
81 - regulator-name
82
83 unevaluatedProperties: false
84
85 additionalProperties: false
86
87 examples:
88 - |
89 pmic {
90 regulators {
91 mt6331_vdvfs11_reg: buck-vdvfs11 {
92 regulator-name = "vdvfs11";
93 regulator-min-microvolt = <700000>;
94 regulator-max-microvolt = <1493750>;
95 regulator-ramp-delay = <12500>;
96 regulator-enable-ramp-delay = <1>;
97 regulator-allowed-modes = <0 1>;
98 };
99 mt6331_vdvfs12_reg: buck-vdvfs12 {
100 regulator-name = "vdvfs12";
101 regulator-min-microvolt = <700000>;
102 regulator-max-microvolt = <1493750>;
103 regulator-ramp-delay = <12500>;
104 regulator-enable-ramp-delay = <1>;
105 regulator-allowed-modes = <0 1>;
106 };
107 mt6331_vdvfs13_reg: buck-vdvfs13 {
108 regulator-name = "vdvfs13";
109 regulator-min-microvolt = <700000>;
110 regulator-max-microvolt = <1493750>;
111 regulator-ramp-delay = <12500>;
112 regulator-enable-ramp-delay = <1>;
113 regulator-allowed-modes = <0 1>;
114 };
115 mt6331_vdvfs14_reg: buck-vdvfs14 {
116 regulator-name = "vdvfs14";
117 regulator-min-microvolt = <700000>;
118 regulator-max-microvolt = <1493750>;
119 regulator-ramp-delay = <12500>;
120 regulator-enable-ramp-delay = <1>;
121 regulator-allowed-modes = <0 1>;
122 };
123 mt6331_vcore2_reg: buck-vcore2 {
124 regulator-name = "vcore2";
125 regulator-min-microvolt = <700000>;
126 regulator-max-microvolt = <1493750>;
127 regulator-ramp-delay = <12500>;
128 regulator-enable-ramp-delay = <1>;
129 regulator-allowed-modes = <0 1>;
130 };
131 mt6331_vio18_reg: buck-vio18 {
132 regulator-name = "vio18";
133 regulator-min-microvolt = <1800000>;
134 regulator-max-microvolt = <1800000>;
135 regulator-ramp-delay = <12500>;
136 regulator-enable-ramp-delay = <0>;
137 regulator-allowed-modes = <0 1>;
138 };
139 mt6331_vtcxo1_reg: ldo-vtcxo1 {
140 regulator-name = "vtcxo1";
141 regulator-min-microvolt = <2800000>;
142 regulator-max-microvolt = <2800000>;
143 regulator-always-on;
144 regulator-boot-on;
145 };
146 mt6331_vtcxo2_reg: ldo-vtcxo2 {
147 regulator-name = "vtcxo2";
148 regulator-min-microvolt = <2800000>;
149 regulator-max-microvolt = <2800000>;
150 regulator-always-on;
151 regulator-boot-on;
152 };
153 mt6331_avdd32_aud_reg: ldo-avdd32aud {
154 regulator-name = "avdd32_aud";
155 regulator-min-microvolt = <2800000>;
156 regulator-max-microvolt = <3200000>;
157 };
158 mt6331_vauxa32_reg: ldo-vauxa32 {
159 regulator-name = "vauxa32";
160 regulator-min-microvolt = <2800000>;
161 regulator-max-microvolt = <3200000>;
162 };
163 mt6331_vcama_reg: ldo-vcama {
164 regulator-name = "vcama";
165 regulator-min-microvolt = <1500000>;
166 regulator-max-microvolt = <2800000>;
167 regulator-always-on;
168 };
169 mt6331_vio28_reg: ldo-vio28 {
170 regulator-name = "vio28";
171 regulator-min-microvolt = <2800000>;
172 regulator-max-microvolt = <2800000>;
173 regulator-always-on;
174 regulator-boot-on;
175 };
176 mt6331_vcamaf_reg: ldo-vcamaf {
177 regulator-name = "vcam_af";
178 regulator-min-microvolt = <1200000>;
179 regulator-max-microvolt = <3300000>;
180 };
181 mt6331_vmc_reg: ldo-vmc {
182 regulator-name = "vmc";
183 regulator-min-microvolt = <1800000>;
184 regulator-max-microvolt = <3300000>;
185 };
186 mt6331_vmch_reg: ldo-vmch {
187 regulator-name = "vmch";
188 regulator-min-microvolt = <3000000>;
189 regulator-max-microvolt = <3300000>;
190 };
191 mt6331_vemc33_reg: ldo-vemc33 {
192 regulator-name = "vemc33";
193 regulator-min-microvolt = <3300000>;
194 regulator-max-microvolt = <3300000>;
195 };
196 mt6331_vgp1_reg: ldo-vgp1 {
197 regulator-name = "vgp1";
198 regulator-min-microvolt = <1200000>;
199 regulator-max-microvolt = <3300000>;
200 };
201 mt6331_vsim1_reg: ldo-vsim1 {
202 regulator-name = "vsim1";
203 regulator-min-microvolt = <1700000>;
204 regulator-max-microvolt = <3100000>;
205 };
206 mt6331_vsim2_reg: ldo-vsim2 {
207 regulator-name = "vsim2";
208 regulator-min-microvolt = <1700000>;
209 regulator-max-microvolt = <3100000>;
210 };
211 mt6331_vmipi_reg: ldo-vmipi {
212 regulator-name = "vmipi";
213 regulator-min-microvolt = <1200000>;
214 regulator-max-microvolt = <3300000>;
215 };
216 mt6331_vibr_reg: ldo-vibr {
217 regulator-name = "vibr";
218 regulator-min-microvolt = <1200000>;
219 regulator-max-microvolt = <3300000>;
220 };
221 mt6331_vgp4_reg: ldo-vgp4 {
222 regulator-name = "vgp4";
223 regulator-min-microvolt = <1600000>;
224 regulator-max-microvolt = <2200000>;
225 };
226 mt6331_vcamd_reg: ldo-vcamd {
227 regulator-name = "vcamd";
228 regulator-min-microvolt = <900000>;
229 regulator-max-microvolt = <1500000>;
230 };
231 mt6331_vusb10_reg: ldo-vusb10 {
232 regulator-name = "vusb";
233 regulator-min-microvolt = <1000000>;
234 regulator-max-microvolt = <1300000>;
235 regulator-boot-on;
236 };
237 mt6331_vcamio_reg: ldo-vcamio {
238 regulator-name = "vcam_io";
239 regulator-min-microvolt = <1200000>;
240 regulator-max-microvolt = <1800000>;
241 };
242 mt6331_vsram_reg: ldo-vsram {
243 regulator-name = "vsram";
244 regulator-min-microvolt = <1012500>;
245 regulator-max-microvolt = <1012500>;
246 regulator-always-on;
247 regulator-boot-on;
248 };
249 mt6331_vgp2_reg: ldo-vgp2 {
250 regulator-name = "vgp2";
251 regulator-min-microvolt = <1100000>;
252 regulator-max-microvolt = <1500000>;
253 regulator-boot-on;
254 };
255 mt6331_vgp3_reg: ldo-vgp3 {
256 regulator-name = "vgp3";
257 regulator-min-microvolt = <1200000>;
258 regulator-max-microvolt = <1800000>;
259 };
260 mt6331_vrtc_reg: ldo-vrtc {
261 regulator-name = "vrtc";
262 regulator-min-microvolt = <2800000>;
263 regulator-max-microvolt = <2800000>;
264 regulator-always-on;
265 };
266 mt6331_vdig18_reg: ldo-vdig18 {
267 regulator-name = "dvdd18_dig";
268 regulator-min-microvolt = <1800000>;
269 regulator-max-microvolt = <1800000>;
270 };
271 };
272 };
273 ...
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