cw1200: drop useless LIST_HEAD
[linux-2.6-block.git] / drivers / regulator / qcom_smd-regulator.c
1 /*
2  * Copyright (c) 2015, Sony Mobile Communications AB.
3  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 and
7  * only version 2 as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14
15 #include <linux/module.h>
16 #include <linux/of.h>
17 #include <linux/of_device.h>
18 #include <linux/platform_device.h>
19 #include <linux/regulator/driver.h>
20 #include <linux/soc/qcom/smd-rpm.h>
21
22 struct qcom_rpm_reg {
23         struct device *dev;
24
25         struct qcom_smd_rpm *rpm;
26
27         u32 type;
28         u32 id;
29
30         struct regulator_desc desc;
31
32         int is_enabled;
33         int uV;
34 };
35
36 struct rpm_regulator_req {
37         __le32 key;
38         __le32 nbytes;
39         __le32 value;
40 };
41
42 #define RPM_KEY_SWEN    0x6e657773 /* "swen" */
43 #define RPM_KEY_UV      0x00007675 /* "uv" */
44 #define RPM_KEY_MA      0x0000616d /* "ma" */
45
46 static int rpm_reg_write_active(struct qcom_rpm_reg *vreg,
47                                 struct rpm_regulator_req *req,
48                                 size_t size)
49 {
50         return qcom_rpm_smd_write(vreg->rpm,
51                                   QCOM_SMD_RPM_ACTIVE_STATE,
52                                   vreg->type,
53                                   vreg->id,
54                                   req, size);
55 }
56
57 static int rpm_reg_enable(struct regulator_dev *rdev)
58 {
59         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
60         struct rpm_regulator_req req;
61         int ret;
62
63         req.key = cpu_to_le32(RPM_KEY_SWEN);
64         req.nbytes = cpu_to_le32(sizeof(u32));
65         req.value = cpu_to_le32(1);
66
67         ret = rpm_reg_write_active(vreg, &req, sizeof(req));
68         if (!ret)
69                 vreg->is_enabled = 1;
70
71         return ret;
72 }
73
74 static int rpm_reg_is_enabled(struct regulator_dev *rdev)
75 {
76         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
77
78         return vreg->is_enabled;
79 }
80
81 static int rpm_reg_disable(struct regulator_dev *rdev)
82 {
83         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
84         struct rpm_regulator_req req;
85         int ret;
86
87         req.key = cpu_to_le32(RPM_KEY_SWEN);
88         req.nbytes = cpu_to_le32(sizeof(u32));
89         req.value = 0;
90
91         ret = rpm_reg_write_active(vreg, &req, sizeof(req));
92         if (!ret)
93                 vreg->is_enabled = 0;
94
95         return ret;
96 }
97
98 static int rpm_reg_get_voltage(struct regulator_dev *rdev)
99 {
100         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
101
102         return vreg->uV;
103 }
104
105 static int rpm_reg_set_voltage(struct regulator_dev *rdev,
106                                int min_uV,
107                                int max_uV,
108                                unsigned *selector)
109 {
110         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
111         struct rpm_regulator_req req;
112         int ret = 0;
113
114         req.key = cpu_to_le32(RPM_KEY_UV);
115         req.nbytes = cpu_to_le32(sizeof(u32));
116         req.value = cpu_to_le32(min_uV);
117
118         ret = rpm_reg_write_active(vreg, &req, sizeof(req));
119         if (!ret)
120                 vreg->uV = min_uV;
121
122         return ret;
123 }
124
125 static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA)
126 {
127         struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
128         struct rpm_regulator_req req;
129
130         req.key = cpu_to_le32(RPM_KEY_MA);
131         req.nbytes = cpu_to_le32(sizeof(u32));
132         req.value = cpu_to_le32(load_uA / 1000);
133
134         return rpm_reg_write_active(vreg, &req, sizeof(req));
135 }
136
137 static const struct regulator_ops rpm_smps_ldo_ops = {
138         .enable = rpm_reg_enable,
139         .disable = rpm_reg_disable,
140         .is_enabled = rpm_reg_is_enabled,
141         .list_voltage = regulator_list_voltage_linear_range,
142
143         .get_voltage = rpm_reg_get_voltage,
144         .set_voltage = rpm_reg_set_voltage,
145
146         .set_load = rpm_reg_set_load,
147 };
148
149 static const struct regulator_ops rpm_smps_ldo_ops_fixed = {
150         .enable = rpm_reg_enable,
151         .disable = rpm_reg_disable,
152         .is_enabled = rpm_reg_is_enabled,
153
154         .get_voltage = rpm_reg_get_voltage,
155         .set_voltage = rpm_reg_set_voltage,
156
157         .set_load = rpm_reg_set_load,
158 };
159
160 static const struct regulator_ops rpm_switch_ops = {
161         .enable = rpm_reg_enable,
162         .disable = rpm_reg_disable,
163         .is_enabled = rpm_reg_is_enabled,
164 };
165
166 static const struct regulator_ops rpm_bob_ops = {
167         .enable = rpm_reg_enable,
168         .disable = rpm_reg_disable,
169         .is_enabled = rpm_reg_is_enabled,
170
171         .get_voltage = rpm_reg_get_voltage,
172         .set_voltage = rpm_reg_set_voltage,
173 };
174
175 static const struct regulator_desc pma8084_hfsmps = {
176         .linear_ranges = (struct regulator_linear_range[]) {
177                 REGULATOR_LINEAR_RANGE(375000,  0,  95, 12500),
178                 REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
179         },
180         .n_linear_ranges = 2,
181         .n_voltages = 159,
182         .ops = &rpm_smps_ldo_ops,
183 };
184
185 static const struct regulator_desc pma8084_ftsmps = {
186         .linear_ranges = (struct regulator_linear_range[]) {
187                 REGULATOR_LINEAR_RANGE(350000,  0, 184, 5000),
188                 REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000),
189         },
190         .n_linear_ranges = 2,
191         .n_voltages = 262,
192         .ops = &rpm_smps_ldo_ops,
193 };
194
195 static const struct regulator_desc pma8084_pldo = {
196         .linear_ranges = (struct regulator_linear_range[]) {
197                 REGULATOR_LINEAR_RANGE( 750000,  0,  63, 12500),
198                 REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
199                 REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
200         },
201         .n_linear_ranges = 3,
202         .n_voltages = 164,
203         .ops = &rpm_smps_ldo_ops,
204 };
205
206 static const struct regulator_desc pma8084_nldo = {
207         .linear_ranges = (struct regulator_linear_range[]) {
208                 REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
209         },
210         .n_linear_ranges = 1,
211         .n_voltages = 64,
212         .ops = &rpm_smps_ldo_ops,
213 };
214
215 static const struct regulator_desc pma8084_switch = {
216         .ops = &rpm_switch_ops,
217 };
218
219 static const struct regulator_desc pm8x41_hfsmps = {
220         .linear_ranges = (struct regulator_linear_range[]) {
221                 REGULATOR_LINEAR_RANGE( 375000,  0,  95, 12500),
222                 REGULATOR_LINEAR_RANGE(1575000, 96, 158, 25000),
223         },
224         .n_linear_ranges = 2,
225         .n_voltages = 159,
226         .ops = &rpm_smps_ldo_ops,
227 };
228
229 static const struct regulator_desc pm8841_ftsmps = {
230         .linear_ranges = (struct regulator_linear_range[]) {
231                 REGULATOR_LINEAR_RANGE(350000,  0, 184, 5000),
232                 REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000),
233         },
234         .n_linear_ranges = 2,
235         .n_voltages = 262,
236         .ops = &rpm_smps_ldo_ops,
237 };
238
239 static const struct regulator_desc pm8941_boost = {
240         .linear_ranges = (struct regulator_linear_range[]) {
241                 REGULATOR_LINEAR_RANGE(4000000, 0, 30, 50000),
242         },
243         .n_linear_ranges = 1,
244         .n_voltages = 31,
245         .ops = &rpm_smps_ldo_ops,
246 };
247
248 static const struct regulator_desc pm8941_pldo = {
249         .linear_ranges = (struct regulator_linear_range[]) {
250                 REGULATOR_LINEAR_RANGE( 750000,  0,  63, 12500),
251                 REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
252                 REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
253         },
254         .n_linear_ranges = 3,
255         .n_voltages = 164,
256         .ops = &rpm_smps_ldo_ops,
257 };
258
259 static const struct regulator_desc pm8941_nldo = {
260         .linear_ranges = (struct regulator_linear_range[]) {
261                 REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
262         },
263         .n_linear_ranges = 1,
264         .n_voltages = 64,
265         .ops = &rpm_smps_ldo_ops,
266 };
267
268 static const struct regulator_desc pm8941_lnldo = {
269         .fixed_uV = 1740000,
270         .n_voltages = 1,
271         .ops = &rpm_smps_ldo_ops_fixed,
272 };
273
274 static const struct regulator_desc pm8941_switch = {
275         .ops = &rpm_switch_ops,
276 };
277
278 static const struct regulator_desc pm8916_pldo = {
279         .linear_ranges = (struct regulator_linear_range[]) {
280                 REGULATOR_LINEAR_RANGE(750000, 0, 208, 12500),
281         },
282         .n_linear_ranges = 1,
283         .n_voltages = 209,
284         .ops = &rpm_smps_ldo_ops,
285 };
286
287 static const struct regulator_desc pm8916_nldo = {
288         .linear_ranges = (struct regulator_linear_range[]) {
289                 REGULATOR_LINEAR_RANGE(375000, 0, 93, 12500),
290         },
291         .n_linear_ranges = 1,
292         .n_voltages = 94,
293         .ops = &rpm_smps_ldo_ops,
294 };
295
296 static const struct regulator_desc pm8916_buck_lvo_smps = {
297         .linear_ranges = (struct regulator_linear_range[]) {
298                 REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500),
299                 REGULATOR_LINEAR_RANGE(750000, 96, 127, 25000),
300         },
301         .n_linear_ranges = 2,
302         .n_voltages = 128,
303         .ops = &rpm_smps_ldo_ops,
304 };
305
306 static const struct regulator_desc pm8916_buck_hvo_smps = {
307         .linear_ranges = (struct regulator_linear_range[]) {
308                 REGULATOR_LINEAR_RANGE(1550000, 0, 31, 25000),
309         },
310         .n_linear_ranges = 1,
311         .n_voltages = 32,
312         .ops = &rpm_smps_ldo_ops,
313 };
314
315 static const struct regulator_desc pm8994_hfsmps = {
316         .linear_ranges = (struct regulator_linear_range[]) {
317                 REGULATOR_LINEAR_RANGE( 375000,  0,  95, 12500),
318                 REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
319         },
320         .n_linear_ranges = 2,
321         .n_voltages = 159,
322         .ops = &rpm_smps_ldo_ops,
323 };
324
325 static const struct regulator_desc pm8994_ftsmps = {
326         .linear_ranges = (struct regulator_linear_range[]) {
327                 REGULATOR_LINEAR_RANGE(350000,  0, 199, 5000),
328                 REGULATOR_LINEAR_RANGE(700000, 200, 349, 10000),
329         },
330         .n_linear_ranges = 2,
331         .n_voltages = 350,
332         .ops = &rpm_smps_ldo_ops,
333 };
334
335 static const struct regulator_desc pm8994_nldo = {
336         .linear_ranges = (struct regulator_linear_range[]) {
337                 REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
338         },
339         .n_linear_ranges = 1,
340         .n_voltages = 64,
341         .ops = &rpm_smps_ldo_ops,
342 };
343
344 static const struct regulator_desc pm8994_pldo = {
345         .linear_ranges = (struct regulator_linear_range[]) {
346                 REGULATOR_LINEAR_RANGE( 750000,  0,  63, 12500),
347                 REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
348                 REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
349         },
350         .n_linear_ranges = 3,
351         .n_voltages = 164,
352         .ops = &rpm_smps_ldo_ops,
353 };
354
355 static const struct regulator_desc pm8994_switch = {
356         .ops = &rpm_switch_ops,
357 };
358
359 static const struct regulator_desc pm8994_lnldo = {
360         .fixed_uV = 1740000,
361         .n_voltages = 1,
362         .ops = &rpm_smps_ldo_ops_fixed,
363 };
364
365 static const struct regulator_desc pm8998_ftsmps = {
366         .linear_ranges = (struct regulator_linear_range[]) {
367                 REGULATOR_LINEAR_RANGE(320000, 0, 258, 4000),
368         },
369         .n_linear_ranges = 1,
370         .n_voltages = 259,
371         .ops = &rpm_smps_ldo_ops,
372 };
373
374 static const struct regulator_desc pm8998_hfsmps = {
375         .linear_ranges = (struct regulator_linear_range[]) {
376                 REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
377         },
378         .n_linear_ranges = 1,
379         .n_voltages = 216,
380         .ops = &rpm_smps_ldo_ops,
381 };
382
383 static const struct regulator_desc pm8998_nldo = {
384         .linear_ranges = (struct regulator_linear_range[]) {
385                 REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
386         },
387         .n_linear_ranges = 1,
388         .n_voltages = 128,
389         .ops = &rpm_smps_ldo_ops,
390 };
391
392 static const struct regulator_desc pm8998_pldo = {
393         .linear_ranges = (struct regulator_linear_range[]) {
394                 REGULATOR_LINEAR_RANGE(1664000, 0, 255, 8000),
395         },
396         .n_linear_ranges = 1,
397         .n_voltages = 256,
398         .ops = &rpm_smps_ldo_ops,
399 };
400
401 static const struct regulator_desc pm8998_pldo_lv = {
402         .linear_ranges = (struct regulator_linear_range[]) {
403                 REGULATOR_LINEAR_RANGE(1256000, 0, 127, 8000),
404         },
405         .n_linear_ranges = 1,
406         .n_voltages = 128,
407         .ops = &rpm_smps_ldo_ops,
408 };
409
410 static const struct regulator_desc pm8998_switch = {
411         .ops = &rpm_switch_ops,
412 };
413
414 static const struct regulator_desc pmi8998_bob = {
415         .linear_ranges = (struct regulator_linear_range[]) {
416                 REGULATOR_LINEAR_RANGE(1824000, 0, 83, 32000),
417         },
418         .n_linear_ranges = 1,
419         .n_voltages = 84,
420         .ops = &rpm_bob_ops,
421 };
422
423 static const struct regulator_desc pms405_hfsmps3 = {
424         .linear_ranges = (struct regulator_linear_range[]) {
425                 REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
426         },
427         .n_linear_ranges = 1,
428         .n_voltages = 216,
429         .ops = &rpm_smps_ldo_ops,
430 };
431
432 static const struct regulator_desc pms405_nldo300 = {
433         .linear_ranges = (struct regulator_linear_range[]) {
434                 REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
435         },
436         .n_linear_ranges = 1,
437         .n_voltages = 128,
438         .ops = &rpm_smps_ldo_ops,
439 };
440
441 static const struct regulator_desc pms405_nldo1200 = {
442         .linear_ranges = (struct regulator_linear_range[]) {
443                 REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
444         },
445         .n_linear_ranges = 1,
446         .n_voltages = 128,
447         .ops = &rpm_smps_ldo_ops,
448 };
449
450 static const struct regulator_desc pms405_pldo50 = {
451         .linear_ranges = (struct regulator_linear_range[]) {
452                 REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000),
453         },
454         .n_linear_ranges = 1,
455         .n_voltages = 129,
456         .ops = &rpm_smps_ldo_ops,
457 };
458
459 static const struct regulator_desc pms405_pldo150 = {
460         .linear_ranges = (struct regulator_linear_range[]) {
461                 REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000),
462         },
463         .n_linear_ranges = 1,
464         .n_voltages = 129,
465         .ops = &rpm_smps_ldo_ops,
466 };
467
468 static const struct regulator_desc pms405_pldo600 = {
469         .linear_ranges = (struct regulator_linear_range[]) {
470                 REGULATOR_LINEAR_RANGE(1256000, 0, 98, 8000),
471         },
472         .n_linear_ranges = 1,
473         .n_voltages = 99,
474         .ops = &rpm_smps_ldo_ops,
475 };
476
477 struct rpm_regulator_data {
478         const char *name;
479         u32 type;
480         u32 id;
481         const struct regulator_desc *desc;
482         const char *supply;
483 };
484
485 static const struct rpm_regulator_data rpm_pm8841_regulators[] = {
486         { "s1", QCOM_SMD_RPM_SMPB, 1, &pm8x41_hfsmps, "vdd_s1" },
487         { "s2", QCOM_SMD_RPM_SMPB, 2, &pm8841_ftsmps, "vdd_s2" },
488         { "s3", QCOM_SMD_RPM_SMPB, 3, &pm8x41_hfsmps, "vdd_s3" },
489         { "s4", QCOM_SMD_RPM_SMPB, 4, &pm8841_ftsmps, "vdd_s4" },
490         { "s5", QCOM_SMD_RPM_SMPB, 5, &pm8841_ftsmps, "vdd_s5" },
491         { "s6", QCOM_SMD_RPM_SMPB, 6, &pm8841_ftsmps, "vdd_s6" },
492         { "s7", QCOM_SMD_RPM_SMPB, 7, &pm8841_ftsmps, "vdd_s7" },
493         { "s8", QCOM_SMD_RPM_SMPB, 8, &pm8841_ftsmps, "vdd_s8" },
494         {}
495 };
496
497 static const struct rpm_regulator_data rpm_pm8916_regulators[] = {
498         { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8916_buck_lvo_smps, "vdd_s1" },
499         { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8916_buck_lvo_smps, "vdd_s2" },
500         { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8916_buck_lvo_smps, "vdd_s3" },
501         { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8916_buck_hvo_smps, "vdd_s4" },
502         { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8916_nldo, "vdd_l1_l2_l3" },
503         { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8916_nldo, "vdd_l1_l2_l3" },
504         { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8916_nldo, "vdd_l1_l2_l3" },
505         { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8916_pldo, "vdd_l4_l5_l6" },
506         { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8916_pldo, "vdd_l4_l5_l6" },
507         { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8916_pldo, "vdd_l4_l5_l6" },
508         { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8916_pldo, "vdd_l7" },
509         { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" },
510         { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" },
511         { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
512         { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
513         { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
514         { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
515         { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
516         { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
517         { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
518         { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
519         { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"},
520         {}
521 };
522
523 static const struct rpm_regulator_data rpm_pm8941_regulators[] = {
524         { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8x41_hfsmps, "vdd_s1" },
525         { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8x41_hfsmps, "vdd_s2" },
526         { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8x41_hfsmps, "vdd_s3" },
527         { "s4", QCOM_SMD_RPM_BOOST, 1, &pm8941_boost },
528
529         { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8941_nldo, "vdd_l1_l3" },
530         { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8941_nldo, "vdd_l2_lvs1_2_3" },
531         { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8941_nldo, "vdd_l1_l3" },
532         { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8941_nldo, "vdd_l4_l11" },
533         { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8941_lnldo, "vdd_l5_l7" },
534         { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
535         { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8941_lnldo, "vdd_l5_l7" },
536         { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
537         { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
538         { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
539         { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8941_nldo, "vdd_l4_l11" },
540         { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
541         { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
542         { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
543         { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
544         { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
545         { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
546         { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
547         { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
548         { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
549         { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8941_pldo, "vdd_l21" },
550         { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
551         { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
552         { "l24", QCOM_SMD_RPM_LDOA, 24, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
553
554         { "lvs1", QCOM_SMD_RPM_VSA, 1, &pm8941_switch, "vdd_l2_lvs1_2_3" },
555         { "lvs2", QCOM_SMD_RPM_VSA, 2, &pm8941_switch, "vdd_l2_lvs1_2_3" },
556         { "lvs3", QCOM_SMD_RPM_VSA, 3, &pm8941_switch, "vdd_l2_lvs1_2_3" },
557
558         { "5vs1", QCOM_SMD_RPM_VSA, 4, &pm8941_switch, "vin_5vs" },
559         { "5vs2", QCOM_SMD_RPM_VSA, 5, &pm8941_switch, "vin_5vs" },
560
561         {}
562 };
563
564 static const struct rpm_regulator_data rpm_pma8084_regulators[] = {
565         { "s1", QCOM_SMD_RPM_SMPA, 1, &pma8084_ftsmps, "vdd_s1" },
566         { "s2", QCOM_SMD_RPM_SMPA, 2, &pma8084_ftsmps, "vdd_s2" },
567         { "s3", QCOM_SMD_RPM_SMPA, 3, &pma8084_hfsmps, "vdd_s3" },
568         { "s4", QCOM_SMD_RPM_SMPA, 4, &pma8084_hfsmps, "vdd_s4" },
569         { "s5", QCOM_SMD_RPM_SMPA, 5, &pma8084_hfsmps, "vdd_s5" },
570         { "s6", QCOM_SMD_RPM_SMPA, 6, &pma8084_ftsmps, "vdd_s6" },
571         { "s7", QCOM_SMD_RPM_SMPA, 7, &pma8084_ftsmps, "vdd_s7" },
572         { "s8", QCOM_SMD_RPM_SMPA, 8, &pma8084_ftsmps, "vdd_s8" },
573         { "s9", QCOM_SMD_RPM_SMPA, 9, &pma8084_ftsmps, "vdd_s9" },
574         { "s10", QCOM_SMD_RPM_SMPA, 10, &pma8084_ftsmps, "vdd_s10" },
575         { "s11", QCOM_SMD_RPM_SMPA, 11, &pma8084_ftsmps, "vdd_s11" },
576         { "s12", QCOM_SMD_RPM_SMPA, 12, &pma8084_ftsmps, "vdd_s12" },
577
578         { "l1", QCOM_SMD_RPM_LDOA, 1, &pma8084_nldo, "vdd_l1_l11" },
579         { "l2", QCOM_SMD_RPM_LDOA, 2, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
580         { "l3", QCOM_SMD_RPM_LDOA, 3, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
581         { "l4", QCOM_SMD_RPM_LDOA, 4, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
582         { "l5", QCOM_SMD_RPM_LDOA, 5, &pma8084_pldo, "vdd_l5_l7" },
583         { "l6", QCOM_SMD_RPM_LDOA, 6, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
584         { "l7", QCOM_SMD_RPM_LDOA, 7, &pma8084_pldo, "vdd_l5_l7" },
585         { "l8", QCOM_SMD_RPM_LDOA, 8, &pma8084_pldo, "vdd_l8" },
586         { "l9", QCOM_SMD_RPM_LDOA, 9, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
587         { "l10", QCOM_SMD_RPM_LDOA, 10, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
588         { "l11", QCOM_SMD_RPM_LDOA, 11, &pma8084_nldo, "vdd_l1_l11" },
589         { "l12", QCOM_SMD_RPM_LDOA, 12, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
590         { "l13", QCOM_SMD_RPM_LDOA, 13, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
591         { "l14", QCOM_SMD_RPM_LDOA, 14, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
592         { "l15", QCOM_SMD_RPM_LDOA, 15, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
593         { "l16", QCOM_SMD_RPM_LDOA, 16, &pma8084_pldo, "vdd_l16_l25" },
594         { "l17", QCOM_SMD_RPM_LDOA, 17, &pma8084_pldo, "vdd_l17" },
595         { "l18", QCOM_SMD_RPM_LDOA, 18, &pma8084_pldo, "vdd_l18" },
596         { "l19", QCOM_SMD_RPM_LDOA, 19, &pma8084_pldo, "vdd_l19" },
597         { "l20", QCOM_SMD_RPM_LDOA, 20, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
598         { "l21", QCOM_SMD_RPM_LDOA, 21, &pma8084_pldo, "vdd_l21" },
599         { "l22", QCOM_SMD_RPM_LDOA, 22, &pma8084_pldo, "vdd_l22" },
600         { "l23", QCOM_SMD_RPM_LDOA, 23, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
601         { "l24", QCOM_SMD_RPM_LDOA, 24, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" },
602         { "l25", QCOM_SMD_RPM_LDOA, 25, &pma8084_pldo, "vdd_l16_l25" },
603         { "l26", QCOM_SMD_RPM_LDOA, 26, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
604         { "l27", QCOM_SMD_RPM_LDOA, 27, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
605
606         { "lvs1", QCOM_SMD_RPM_VSA, 1, &pma8084_switch },
607         { "lvs2", QCOM_SMD_RPM_VSA, 2, &pma8084_switch },
608         { "lvs3", QCOM_SMD_RPM_VSA, 3, &pma8084_switch },
609         { "lvs4", QCOM_SMD_RPM_VSA, 4, &pma8084_switch },
610         { "5vs1", QCOM_SMD_RPM_VSA, 5, &pma8084_switch },
611
612         {}
613 };
614
615 static const struct rpm_regulator_data rpm_pm8994_regulators[] = {
616         { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8994_ftsmps, "vdd_s1" },
617         { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8994_ftsmps, "vdd_s2" },
618         { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8994_hfsmps, "vdd_s3" },
619         { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8994_hfsmps, "vdd_s4" },
620         { "s5", QCOM_SMD_RPM_SMPA, 5, &pm8994_hfsmps, "vdd_s5" },
621         { "s6", QCOM_SMD_RPM_SMPA, 6, &pm8994_ftsmps, "vdd_s6" },
622         { "s7", QCOM_SMD_RPM_SMPA, 7, &pm8994_hfsmps, "vdd_s7" },
623         { "s8", QCOM_SMD_RPM_SMPA, 8, &pm8994_ftsmps, "vdd_s8" },
624         { "s9", QCOM_SMD_RPM_SMPA, 9, &pm8994_ftsmps, "vdd_s9" },
625         { "s10", QCOM_SMD_RPM_SMPA, 10, &pm8994_ftsmps, "vdd_s10" },
626         { "s11", QCOM_SMD_RPM_SMPA, 11, &pm8994_ftsmps, "vdd_s11" },
627         { "s12", QCOM_SMD_RPM_SMPA, 12, &pm8994_ftsmps, "vdd_s12" },
628         { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8994_nldo, "vdd_l1" },
629         { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8994_nldo, "vdd_l2_l26_l28" },
630         { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8994_nldo, "vdd_l3_l11" },
631         { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8994_nldo, "vdd_l4_l27_l31" },
632         { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8994_lnldo, "vdd_l5_l7" },
633         { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8994_pldo, "vdd_l6_l12_l32" },
634         { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8994_lnldo, "vdd_l5_l7" },
635         { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8994_pldo, "vdd_l8_l16_l30" },
636         { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8994_pldo, "vdd_l9_l10_l18_l22" },
637         { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8994_pldo, "vdd_l9_l10_l18_l22" },
638         { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8994_nldo, "vdd_l3_l11" },
639         { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8994_pldo, "vdd_l6_l12_l32" },
640         { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8994_pldo, "vdd_l13_l19_l23_l24" },
641         { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8994_pldo, "vdd_l14_l15" },
642         { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8994_pldo, "vdd_l14_l15" },
643         { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8994_pldo, "vdd_l8_l16_l30" },
644         { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8994_pldo, "vdd_l17_l29" },
645         { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8994_pldo, "vdd_l9_l10_l18_l22" },
646         { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8994_pldo, "vdd_l13_l19_l23_l24" },
647         { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8994_pldo, "vdd_l20_l21" },
648         { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8994_pldo, "vdd_l20_l21" },
649         { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8994_pldo, "vdd_l9_l10_l18_l22" },
650         { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8994_pldo, "vdd_l13_l19_l23_l24" },
651         { "l24", QCOM_SMD_RPM_LDOA, 24, &pm8994_pldo, "vdd_l13_l19_l23_l24" },
652         { "l25", QCOM_SMD_RPM_LDOA, 25, &pm8994_pldo, "vdd_l25" },
653         { "l26", QCOM_SMD_RPM_LDOA, 26, &pm8994_nldo, "vdd_l2_l26_l28" },
654         { "l27", QCOM_SMD_RPM_LDOA, 27, &pm8994_nldo, "vdd_l4_l27_l31" },
655         { "l28", QCOM_SMD_RPM_LDOA, 28, &pm8994_nldo, "vdd_l2_l26_l28" },
656         { "l29", QCOM_SMD_RPM_LDOA, 29, &pm8994_pldo, "vdd_l17_l29" },
657         { "l30", QCOM_SMD_RPM_LDOA, 30, &pm8994_pldo, "vdd_l8_l16_l30" },
658         { "l31", QCOM_SMD_RPM_LDOA, 31, &pm8994_nldo, "vdd_l4_l27_l31" },
659         { "l32", QCOM_SMD_RPM_LDOA, 32, &pm8994_pldo, "vdd_l6_l12_l32" },
660         { "lvs1", QCOM_SMD_RPM_VSA, 1, &pm8994_switch, "vdd_lvs1_2" },
661         { "lvs2", QCOM_SMD_RPM_VSA, 2, &pm8994_switch, "vdd_lvs1_2" },
662
663         {}
664 };
665
666 static const struct rpm_regulator_data rpm_pm8998_regulators[] = {
667         { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8998_ftsmps, "vdd_s1" },
668         { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8998_ftsmps, "vdd_s2" },
669         { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8998_hfsmps, "vdd_s3" },
670         { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8998_hfsmps, "vdd_s4" },
671         { "s5", QCOM_SMD_RPM_SMPA, 5, &pm8998_hfsmps, "vdd_s5" },
672         { "s6", QCOM_SMD_RPM_SMPA, 6, &pm8998_ftsmps, "vdd_s6" },
673         { "s7", QCOM_SMD_RPM_SMPA, 7, &pm8998_ftsmps, "vdd_s7" },
674         { "s8", QCOM_SMD_RPM_SMPA, 8, &pm8998_ftsmps, "vdd_s8" },
675         { "s9", QCOM_SMD_RPM_SMPA, 9, &pm8998_ftsmps, "vdd_s9" },
676         { "s10", QCOM_SMD_RPM_SMPA, 10, &pm8998_ftsmps, "vdd_s10" },
677         { "s11", QCOM_SMD_RPM_SMPA, 11, &pm8998_ftsmps, "vdd_s11" },
678         { "s12", QCOM_SMD_RPM_SMPA, 12, &pm8998_ftsmps, "vdd_s12" },
679         { "s13", QCOM_SMD_RPM_SMPA, 13, &pm8998_ftsmps, "vdd_s13" },
680         { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8998_nldo, "vdd_l1_l27" },
681         { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8998_nldo, "vdd_l2_l8_l17" },
682         { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8998_nldo, "vdd_l3_l11" },
683         { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8998_nldo, "vdd_l4_l5" },
684         { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8998_nldo, "vdd_l4_l5" },
685         { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8998_pldo, "vdd_l6" },
686         { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8998_pldo_lv, "vdd_l7_l12_l14_l15" },
687         { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8998_nldo, "vdd_l2_l8_l17" },
688         { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8998_pldo, "vdd_l9" },
689         { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8998_pldo, "vdd_l10_l23_l25" },
690         { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8998_nldo, "vdd_l3_l11" },
691         { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8998_pldo_lv, "vdd_l7_l12_l14_l15" },
692         { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8998_pldo, "vdd_l13_l19_l21" },
693         { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8998_pldo_lv, "vdd_l7_l12_l14_l15" },
694         { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8998_pldo_lv, "vdd_l7_l12_l14_l15" },
695         { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8998_pldo, "vdd_l16_l28" },
696         { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8998_nldo, "vdd_l2_l8_l17" },
697         { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8998_pldo, "vdd_l18_l22" },
698         { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8998_pldo, "vdd_l13_l19_l21" },
699         { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8998_pldo, "vdd_l20_l24" },
700         { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8998_pldo, "vdd_l13_l19_l21" },
701         { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8998_pldo, "vdd_l18_l22" },
702         { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8998_pldo, "vdd_l10_l23_l25" },
703         { "l24", QCOM_SMD_RPM_LDOA, 24, &pm8998_pldo, "vdd_l20_l24" },
704         { "l25", QCOM_SMD_RPM_LDOA, 25, &pm8998_pldo, "vdd_l10_l23_l25" },
705         { "l26", QCOM_SMD_RPM_LDOA, 26, &pm8998_nldo, "vdd_l26" },
706         { "l27", QCOM_SMD_RPM_LDOA, 27, &pm8998_nldo, "vdd_l1_l27" },
707         { "l28", QCOM_SMD_RPM_LDOA, 28, &pm8998_pldo, "vdd_l16_l28" },
708         { "lvs1", QCOM_SMD_RPM_VSA, 1, &pm8998_switch, "vdd_lvs1_lvs2" },
709         { "lvs2", QCOM_SMD_RPM_VSA, 2, &pm8998_switch, "vdd_lvs1_lvs2" },
710         {}
711 };
712
713 static const struct rpm_regulator_data rpm_pmi8998_regulators[] = {
714         { "bob", QCOM_SMD_RPM_BOBB, 1, &pmi8998_bob, "vdd_bob" },
715         {}
716 };
717
718 static const struct rpm_regulator_data rpm_pms405_regulators[] = {
719         { "s1", QCOM_SMD_RPM_SMPA, 1, &pms405_hfsmps3, "vdd_s1" },
720         { "s2", QCOM_SMD_RPM_SMPA, 2, &pms405_hfsmps3, "vdd_s2" },
721         { "s3", QCOM_SMD_RPM_SMPA, 3, &pms405_hfsmps3, "vdd_s3" },
722         { "s4", QCOM_SMD_RPM_SMPA, 4, &pms405_hfsmps3, "vdd_s4" },
723         { "s5", QCOM_SMD_RPM_SMPA, 5, &pms405_hfsmps3, "vdd_s5" },
724         { "l1", QCOM_SMD_RPM_LDOA, 1, &pms405_nldo1200, "vdd_l1_l2" },
725         { "l2", QCOM_SMD_RPM_LDOA, 2, &pms405_nldo1200, "vdd_l1_l2" },
726         { "l3", QCOM_SMD_RPM_LDOA, 3, &pms405_nldo1200, "vdd_l3_l8" },
727         { "l4", QCOM_SMD_RPM_LDOA, 4, &pms405_nldo300, "vdd_l4" },
728         { "l5", QCOM_SMD_RPM_LDOA, 5, &pms405_pldo600, "vdd_l5_l6" },
729         { "l6", QCOM_SMD_RPM_LDOA, 6, &pms405_pldo600, "vdd_l5_l6" },
730         { "l7", QCOM_SMD_RPM_LDOA, 7, &pms405_pldo150, "vdd_l7" },
731         { "l8", QCOM_SMD_RPM_LDOA, 8, &pms405_nldo1200, "vdd_l3_l8" },
732         { "l9", QCOM_SMD_RPM_LDOA, 9, &pms405_nldo1200, "vdd_l9" },
733         { "l10", QCOM_SMD_RPM_LDOA, 10, &pms405_pldo50, "vdd_l10_l11_l12_l13" },
734         { "l11", QCOM_SMD_RPM_LDOA, 11, &pms405_pldo150, "vdd_l10_l11_l12_l13" },
735         { "l12", QCOM_SMD_RPM_LDOA, 12, &pms405_pldo150, "vdd_l10_l11_l12_l13" },
736         { "l13", QCOM_SMD_RPM_LDOA, 13, &pms405_pldo150, "vdd_l10_l11_l12_l13" },
737         {}
738 };
739
740 static const struct of_device_id rpm_of_match[] = {
741         { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
742         { .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators },
743         { .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },
744         { .compatible = "qcom,rpm-pm8994-regulators", .data = &rpm_pm8994_regulators },
745         { .compatible = "qcom,rpm-pm8998-regulators", .data = &rpm_pm8998_regulators },
746         { .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators },
747         { .compatible = "qcom,rpm-pmi8998-regulators", .data = &rpm_pmi8998_regulators },
748         { .compatible = "qcom,rpm-pms405-regulators", .data = &rpm_pms405_regulators },
749         {}
750 };
751 MODULE_DEVICE_TABLE(of, rpm_of_match);
752
753 static int rpm_reg_probe(struct platform_device *pdev)
754 {
755         const struct rpm_regulator_data *reg;
756         const struct of_device_id *match;
757         struct regulator_config config = { };
758         struct regulator_dev *rdev;
759         struct qcom_rpm_reg *vreg;
760         struct qcom_smd_rpm *rpm;
761
762         rpm = dev_get_drvdata(pdev->dev.parent);
763         if (!rpm) {
764                 dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
765                 return -ENODEV;
766         }
767
768         match = of_match_device(rpm_of_match, &pdev->dev);
769         if (!match) {
770                 dev_err(&pdev->dev, "failed to match device\n");
771                 return -ENODEV;
772         }
773
774         for (reg = match->data; reg->name; reg++) {
775                 vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
776                 if (!vreg)
777                         return -ENOMEM;
778
779                 vreg->dev = &pdev->dev;
780                 vreg->type = reg->type;
781                 vreg->id = reg->id;
782                 vreg->rpm = rpm;
783
784                 memcpy(&vreg->desc, reg->desc, sizeof(vreg->desc));
785
786                 vreg->desc.id = -1;
787                 vreg->desc.owner = THIS_MODULE;
788                 vreg->desc.type = REGULATOR_VOLTAGE;
789                 vreg->desc.name = reg->name;
790                 vreg->desc.supply_name = reg->supply;
791                 vreg->desc.of_match = reg->name;
792
793                 config.dev = &pdev->dev;
794                 config.driver_data = vreg;
795                 rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
796                 if (IS_ERR(rdev)) {
797                         dev_err(&pdev->dev, "failed to register %s\n", reg->name);
798                         return PTR_ERR(rdev);
799                 }
800         }
801
802         return 0;
803 }
804
805 static struct platform_driver rpm_reg_driver = {
806         .probe = rpm_reg_probe,
807         .driver = {
808                 .name  = "qcom_rpm_smd_regulator",
809                 .of_match_table = rpm_of_match,
810         },
811 };
812
813 static int __init rpm_reg_init(void)
814 {
815         return platform_driver_register(&rpm_reg_driver);
816 }
817 subsys_initcall(rpm_reg_init);
818
819 static void __exit rpm_reg_exit(void)
820 {
821         platform_driver_unregister(&rpm_reg_driver);
822 }
823 module_exit(rpm_reg_exit)
824
825 MODULE_DESCRIPTION("Qualcomm RPM regulator driver");
826 MODULE_LICENSE("GPL v2");