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Haojian Zhuangbe0e2d32009-10-08 02:03:57 -04001/*
2 * Regulators driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/err.h>
Haojian Zhuang53dbab72010-01-08 06:01:24 -050014#include <linux/i2c.h>
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040015#include <linux/platform_device.h>
16#include <linux/regulator/driver.h>
17#include <linux/regulator/machine.h>
Haojian Zhuang53dbab72010-01-08 06:01:24 -050018#include <linux/mfd/88pm860x.h>
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040019
20struct pm8607_regulator_info {
21 struct regulator_desc desc;
Haojian Zhuang53dbab72010-01-08 06:01:24 -050022 struct pm860x_chip *chip;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040023 struct regulator_dev *regulator;
Haojian Zhuang53dbab72010-01-08 06:01:24 -050024 struct i2c_client *i2c;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040025
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -040026 unsigned int *vol_table;
27 unsigned int *vol_suspend;
28
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040029 int vol_reg;
30 int vol_shift;
31 int vol_nbits;
32 int update_reg;
33 int update_bit;
34 int enable_reg;
35 int enable_bit;
36 int slope_double;
37};
38
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -040039static const unsigned int BUCK1_table[] = {
40 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
41 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
42 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
43 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
44 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
45 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
46 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
47 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
48};
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -040049
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -040050static const unsigned int BUCK1_suspend_table[] = {
51 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
52 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
53 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
54 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
55 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
56 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
57 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
58 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
59};
60
61static const unsigned int BUCK2_table[] = {
62 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
63 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
64 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
65 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
66 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
67 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
68 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
69 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
70};
71
72static const unsigned int BUCK2_suspend_table[] = {
73 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
74 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
75 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
76 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
77 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
78 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
79 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
80 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
81};
82
83static const unsigned int BUCK3_table[] = {
84 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
85 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
86 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
87 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
88 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
89 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
90 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
91 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
92};
93
94static const unsigned int BUCK3_suspend_table[] = {
95 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
96 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
97 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
98 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
99 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
100 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
101 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
102 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
103};
104
105static const unsigned int LDO1_table[] = {
106 1800000, 1200000, 2800000, 0,
107};
108
109static const unsigned int LDO1_suspend_table[] = {
110 1800000, 1200000, 0, 0,
111};
112
113static const unsigned int LDO2_table[] = {
114 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
115};
116
117static const unsigned int LDO2_suspend_table[] = {
118 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
119};
120
121static const unsigned int LDO3_table[] = {
122 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
123};
124
125static const unsigned int LDO3_suspend_table[] = {
126 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
127};
128
129static const unsigned int LDO4_table[] = {
130 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
131};
132
133static const unsigned int LDO4_suspend_table[] = {
134 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
135};
136
137static const unsigned int LDO5_table[] = {
138 2900000, 3000000, 3100000, 3300000,
139};
140
141static const unsigned int LDO5_suspend_table[] = {
142 2900000, 0, 0, 0,
143};
144
145static const unsigned int LDO6_table[] = {
146 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
147};
148
149static const unsigned int LDO6_suspend_table[] = {
150 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
151};
152
153static const unsigned int LDO7_table[] = {
154 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
155};
156
157static const unsigned int LDO7_suspend_table[] = {
158 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
159};
160
161static const unsigned int LDO8_table[] = {
162 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
163};
164
165static const unsigned int LDO8_suspend_table[] = {
166 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
167};
168
169static const unsigned int LDO9_table[] = {
170 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
171};
172
173static const unsigned int LDO9_suspend_table[] = {
174 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
175};
176
177static const unsigned int LDO10_table[] = {
178 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
179 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
180};
181
182static const unsigned int LDO10_suspend_table[] = {
183 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
184 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
185};
186
187static const unsigned int LDO12_table[] = {
188 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
189 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
190};
191
192static const unsigned int LDO12_suspend_table[] = {
193 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
194 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
195};
196
197static const unsigned int LDO13_table[] = {
198 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, 0,
199};
200
201static const unsigned int LDO13_suspend_table[] = {
202 0,
203};
204
205static const unsigned int LDO14_table[] = {
206 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
207};
208
209static const unsigned int LDO14_suspend_table[] = {
210 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
211};
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400212
213static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
214{
215 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400216 int ret = -EINVAL;
217
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400218 if (info->vol_table && (index < (2 << info->vol_nbits))) {
219 ret = info->vol_table[index];
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400220 if (info->slope_double)
221 ret <<= 1;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400222 }
223 return ret;
224}
225
226static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
227{
228 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400229 int i, ret = -ENOENT;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400230
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400231 if (info->slope_double) {
232 min_uV = min_uV >> 1;
233 max_uV = max_uV >> 1;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400234 }
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400235 if (info->vol_table) {
236 for (i = 0; i < (2 << info->vol_nbits); i++) {
237 if (!info->vol_table[i])
238 break;
239 if ((min_uV <= info->vol_table[i])
240 && (max_uV >= info->vol_table[i])) {
241 ret = i;
242 break;
243 }
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400244 }
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400245 }
246 if (ret < 0)
247 pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
248 return ret;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400249}
250
251static int pm8607_set_voltage(struct regulator_dev *rdev,
252 int min_uV, int max_uV)
253{
254 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400255 uint8_t val, mask;
256 int ret;
257
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400258 if (min_uV > max_uV) {
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400259 pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
260 return -EINVAL;
261 }
262
263 ret = choose_voltage(rdev, min_uV, max_uV);
264 if (ret < 0)
265 return -EINVAL;
266 val = (uint8_t)(ret << info->vol_shift);
267 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
268
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500269 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400270 if (ret)
271 return ret;
272 switch (info->desc.id) {
273 case PM8607_ID_BUCK1:
274 case PM8607_ID_BUCK3:
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500275 ret = pm860x_set_bits(info->i2c, info->update_reg,
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400276 1 << info->update_bit,
277 1 << info->update_bit);
278 break;
279 }
280 return ret;
281}
282
283static int pm8607_get_voltage(struct regulator_dev *rdev)
284{
285 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400286 uint8_t val, mask;
287 int ret;
288
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500289 ret = pm860x_reg_read(info->i2c, info->vol_reg);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400290 if (ret < 0)
291 return ret;
292
293 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
294 val = ((unsigned char)ret & mask) >> info->vol_shift;
295
296 return pm8607_list_voltage(rdev, val);
297}
298
299static int pm8607_enable(struct regulator_dev *rdev)
300{
301 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400302
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500303 return pm860x_set_bits(info->i2c, info->enable_reg,
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400304 1 << info->enable_bit,
305 1 << info->enable_bit);
306}
307
308static int pm8607_disable(struct regulator_dev *rdev)
309{
310 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400311
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500312 return pm860x_set_bits(info->i2c, info->enable_reg,
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400313 1 << info->enable_bit, 0);
314}
315
316static int pm8607_is_enabled(struct regulator_dev *rdev)
317{
318 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400319 int ret;
320
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500321 ret = pm860x_reg_read(info->i2c, info->enable_reg);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400322 if (ret < 0)
323 return ret;
324
325 return !!((unsigned char)ret & (1 << info->enable_bit));
326}
327
328static struct regulator_ops pm8607_regulator_ops = {
329 .set_voltage = pm8607_set_voltage,
330 .get_voltage = pm8607_get_voltage,
331 .enable = pm8607_enable,
332 .disable = pm8607_disable,
333 .is_enabled = pm8607_is_enabled,
334};
335
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400336#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400337{ \
338 .desc = { \
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400339 .name = #vreg, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400340 .ops = &pm8607_regulator_ops, \
341 .type = REGULATOR_VOLTAGE, \
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400342 .id = PM8607_ID_##vreg, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400343 .owner = THIS_MODULE, \
344 }, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400345 .vol_reg = PM8607_##vreg, \
346 .vol_shift = (0), \
347 .vol_nbits = (nbits), \
348 .update_reg = PM8607_##ureg, \
349 .update_bit = (ubit), \
350 .enable_reg = PM8607_##ereg, \
351 .enable_bit = (ebit), \
352 .slope_double = (0), \
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400353 .vol_table = (unsigned int *)&vreg##_table, \
354 .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400355}
356
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400357#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400358{ \
359 .desc = { \
360 .name = "LDO" #_id, \
361 .ops = &pm8607_regulator_ops, \
362 .type = REGULATOR_VOLTAGE, \
363 .id = PM8607_ID_LDO##_id, \
364 .owner = THIS_MODULE, \
365 }, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400366 .vol_reg = PM8607_##vreg, \
367 .vol_shift = (shift), \
368 .vol_nbits = (nbits), \
369 .enable_reg = PM8607_##ereg, \
370 .enable_bit = (ebit), \
371 .slope_double = (0), \
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400372 .vol_table = (unsigned int *)&LDO##_id##_table, \
373 .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400374}
375
376static struct pm8607_regulator_info pm8607_regulator_info[] = {
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400377 PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
378 PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
379 PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400380
Haojian Zhuang9f79e9d2010-05-04 09:54:51 -0400381 PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3),
382 PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4),
383 PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5),
384 PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6),
385 PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7),
386 PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0),
387 PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1),
388 PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2),
389 PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3),
390 PM8607_LDO(10, LDO10, 0, 3, SUPPLIES_EN12, 4),
391 PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5),
392 PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0),
393 PM8607_LDO(14, LDO14, 0, 4, SUPPLIES_EN12, 6),
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400394};
395
396static inline struct pm8607_regulator_info *find_regulator_info(int id)
397{
398 struct pm8607_regulator_info *info;
399 int i;
400
401 for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
402 info = &pm8607_regulator_info[i];
403 if (info->desc.id == id)
404 return info;
405 }
406 return NULL;
407}
408
409static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
410{
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500411 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
412 struct pm860x_platform_data *pdata = chip->dev->platform_data;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400413 struct pm8607_regulator_info *info = NULL;
414
415 info = find_regulator_info(pdev->id);
416 if (info == NULL) {
417 dev_err(&pdev->dev, "invalid regulator ID specified\n");
418 return -EINVAL;
419 }
420
Haojian Zhuang53dbab72010-01-08 06:01:24 -0500421 info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400422 info->chip = chip;
423
424 info->regulator = regulator_register(&info->desc, &pdev->dev,
425 pdata->regulator[pdev->id], info);
426 if (IS_ERR(info->regulator)) {
427 dev_err(&pdev->dev, "failed to register regulator %s\n",
428 info->desc.name);
429 return PTR_ERR(info->regulator);
430 }
431
432 /* check DVC ramp slope double */
433 if (info->desc.id == PM8607_ID_BUCK3)
434 if (info->chip->buck3_double)
435 info->slope_double = 1;
436
437 platform_set_drvdata(pdev, info);
438 return 0;
439}
440
441static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
442{
443 struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
444
Haojian Zhuang192bbb92010-04-29 13:33:50 -0400445 platform_set_drvdata(pdev, NULL);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400446 regulator_unregister(info->regulator);
447 return 0;
448}
449
Haojian Zhuang192bbb92010-04-29 13:33:50 -0400450static struct platform_driver pm8607_regulator_driver = {
451 .driver = {
452 .name = "88pm860x-regulator",
453 .owner = THIS_MODULE,
454 },
455 .probe = pm8607_regulator_probe,
456 .remove = __devexit_p(pm8607_regulator_remove),
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400457};
458
459static int __init pm8607_regulator_init(void)
460{
Haojian Zhuang192bbb92010-04-29 13:33:50 -0400461 return platform_driver_register(&pm8607_regulator_driver);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400462}
463subsys_initcall(pm8607_regulator_init);
464
465static void __exit pm8607_regulator_exit(void)
466{
Haojian Zhuang192bbb92010-04-29 13:33:50 -0400467 platform_driver_unregister(&pm8607_regulator_driver);
Haojian Zhuangbe0e2d32009-10-08 02:03:57 -0400468}
469module_exit(pm8607_regulator_exit);
470
471MODULE_LICENSE("GPL");
472MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
473MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
474MODULE_ALIAS("platform:88pm8607-regulator");