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1/*
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>
14#include <linux/i2c.h>
15#include <linux/platform_device.h>
16#include <linux/regulator/driver.h>
17#include <linux/regulator/machine.h>
18#include <linux/mfd/88pm860x.h>
19
20struct pm8607_regulator_info {
21 struct regulator_desc desc;
22 struct pm860x_chip *chip;
23 struct regulator_dev *regulator;
24 struct i2c_client *i2c;
25
26 unsigned int *vol_table;
27 unsigned int *vol_suspend;
28
29 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
39static 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};
49
50static 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};
212
213static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
214{
215 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
216 int ret = -EINVAL;
217
218 if (info->vol_table && (index < (1 << info->vol_nbits))) {
219 ret = info->vol_table[index];
220 if (info->slope_double)
221 ret <<= 1;
222 }
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);
229 int i, ret = -ENOENT;
230
231 if (info->slope_double) {
232 min_uV = min_uV >> 1;
233 max_uV = max_uV >> 1;
234 }
235 if (info->vol_table) {
236 for (i = 0; i < (1 << 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 }
244 }
245 }
246 if (ret < 0)
247 pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
248 return ret;
249}
250
251static int pm8607_set_voltage(struct regulator_dev *rdev,
252 int min_uV, int max_uV, unsigned *selector)
253{
254 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
255 uint8_t val, mask;
256 int ret;
257
258 if (min_uV > max_uV) {
259 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 *selector = ret;
267 val = (uint8_t)(ret << info->vol_shift);
268 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
269
270 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
271 if (ret)
272 return ret;
273 switch (info->desc.id) {
274 case PM8607_ID_BUCK1:
275 case PM8607_ID_BUCK3:
276 ret = pm860x_set_bits(info->i2c, info->update_reg,
277 1 << info->update_bit,
278 1 << info->update_bit);
279 break;
280 }
281 return ret;
282}
283
284static int pm8607_get_voltage(struct regulator_dev *rdev)
285{
286 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
287 uint8_t val, mask;
288 int ret;
289
290 ret = pm860x_reg_read(info->i2c, info->vol_reg);
291 if (ret < 0)
292 return ret;
293
294 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
295 val = ((unsigned char)ret & mask) >> info->vol_shift;
296
297 return pm8607_list_voltage(rdev, val);
298}
299
300static int pm8607_enable(struct regulator_dev *rdev)
301{
302 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
303
304 return pm860x_set_bits(info->i2c, info->enable_reg,
305 1 << info->enable_bit,
306 1 << info->enable_bit);
307}
308
309static int pm8607_disable(struct regulator_dev *rdev)
310{
311 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
312
313 return pm860x_set_bits(info->i2c, info->enable_reg,
314 1 << info->enable_bit, 0);
315}
316
317static int pm8607_is_enabled(struct regulator_dev *rdev)
318{
319 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
320 int ret;
321
322 ret = pm860x_reg_read(info->i2c, info->enable_reg);
323 if (ret < 0)
324 return ret;
325
326 return !!((unsigned char)ret & (1 << info->enable_bit));
327}
328
329static struct regulator_ops pm8607_regulator_ops = {
330 .set_voltage = pm8607_set_voltage,
331 .get_voltage = pm8607_get_voltage,
332 .enable = pm8607_enable,
333 .disable = pm8607_disable,
334 .is_enabled = pm8607_is_enabled,
335};
336
337#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \
338{ \
339 .desc = { \
340 .name = #vreg, \
341 .ops = &pm8607_regulator_ops, \
342 .type = REGULATOR_VOLTAGE, \
343 .id = PM8607_ID_##vreg, \
344 .owner = THIS_MODULE, \
345 }, \
346 .vol_reg = PM8607_##vreg, \
347 .vol_shift = (0), \
348 .vol_nbits = (nbits), \
349 .update_reg = PM8607_##ureg, \
350 .update_bit = (ubit), \
351 .enable_reg = PM8607_##ereg, \
352 .enable_bit = (ebit), \
353 .slope_double = (0), \
354 .vol_table = (unsigned int *)&vreg##_table, \
355 .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
356}
357
358#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \
359{ \
360 .desc = { \
361 .name = "LDO" #_id, \
362 .ops = &pm8607_regulator_ops, \
363 .type = REGULATOR_VOLTAGE, \
364 .id = PM8607_ID_LDO##_id, \
365 .owner = THIS_MODULE, \
366 }, \
367 .vol_reg = PM8607_##vreg, \
368 .vol_shift = (shift), \
369 .vol_nbits = (nbits), \
370 .enable_reg = PM8607_##ereg, \
371 .enable_bit = (ebit), \
372 .slope_double = (0), \
373 .vol_table = (unsigned int *)&LDO##_id##_table, \
374 .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
375}
376
377static struct pm8607_regulator_info pm8607_regulator_info[] = {
378 PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
379 PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
380 PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
381
382 PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3),
383 PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4),
384 PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5),
385 PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6),
386 PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7),
387 PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0),
388 PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1),
389 PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2),
390 PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3),
391 PM8607_LDO(10, LDO10, 0, 3, SUPPLIES_EN12, 4),
392 PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5),
393 PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0),
394 PM8607_LDO(14, LDO14, 0, 4, SUPPLIES_EN12, 6),
395};
396
397static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
398{
399 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
400 struct pm8607_regulator_info *info = NULL;
401 struct regulator_init_data *pdata = pdev->dev.platform_data;
402 struct resource *res;
403 int i;
404
405 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
406 if (res == NULL) {
407 dev_err(&pdev->dev, "No I/O resource!\n");
408 return -EINVAL;
409 }
410 for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
411 info = &pm8607_regulator_info[i];
412 if (info->desc.id == res->start)
413 break;
414 }
415 if ((i < 0) || (i > PM8607_ID_RG_MAX)) {
416 dev_err(&pdev->dev, "Failed to find regulator %llu\n",
417 (unsigned long long)res->start);
418 return -EINVAL;
419 }
420 info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
421 info->chip = chip;
422
423 /* check DVC ramp slope double */
424 if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
425 info->slope_double = 1;
426
427 /* replace driver_data with info */
428 info->regulator = regulator_register(&info->desc, &pdev->dev,
429 pdata, info);
430 if (IS_ERR(info->regulator)) {
431 dev_err(&pdev->dev, "failed to register regulator %s\n",
432 info->desc.name);
433 return PTR_ERR(info->regulator);
434 }
435
436 platform_set_drvdata(pdev, info);
437 return 0;
438}
439
440static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
441{
442 struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
443
444 platform_set_drvdata(pdev, NULL);
445 regulator_unregister(info->regulator);
446 return 0;
447}
448
449static struct platform_driver pm8607_regulator_driver = {
450 .driver = {
451 .name = "88pm860x-regulator",
452 .owner = THIS_MODULE,
453 },
454 .probe = pm8607_regulator_probe,
455 .remove = __devexit_p(pm8607_regulator_remove),
456};
457
458static int __init pm8607_regulator_init(void)
459{
460 return platform_driver_register(&pm8607_regulator_driver);
461}
462subsys_initcall(pm8607_regulator_init);
463
464static void __exit pm8607_regulator_exit(void)
465{
466 platform_driver_unregister(&pm8607_regulator_driver);
467}
468module_exit(pm8607_regulator_exit);
469
470MODULE_LICENSE("GPL");
471MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
472MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
473MODULE_ALIAS("platform:88pm8607-regulator");
1/*
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>
14#include <linux/i2c.h>
15#include <linux/platform_device.h>
16#include <linux/regulator/driver.h>
17#include <linux/regulator/machine.h>
18#include <linux/mfd/88pm860x.h>
19#include <linux/module.h>
20
21struct pm8607_regulator_info {
22 struct regulator_desc desc;
23 struct pm860x_chip *chip;
24 struct regulator_dev *regulator;
25 struct i2c_client *i2c;
26
27 unsigned int *vol_table;
28 unsigned int *vol_suspend;
29
30 int update_reg;
31 int update_bit;
32 int slope_double;
33};
34
35static const unsigned int BUCK1_table[] = {
36 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
37 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
38 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
39 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
40 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
41 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
42 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
43 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
44};
45
46static const unsigned int BUCK1_suspend_table[] = {
47 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
48 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
49 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
50 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
51 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
52 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
53 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
54 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
55};
56
57static const unsigned int BUCK2_table[] = {
58 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
59 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
60 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
61 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
62 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
63 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
64 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
65 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
66};
67
68static const unsigned int BUCK2_suspend_table[] = {
69 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
70 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
71 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
72 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
73 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
74 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
75 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
76 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
77};
78
79static const unsigned int BUCK3_table[] = {
80 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
81 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
82 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
83 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
84 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
85 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
86 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
87 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
88};
89
90static const unsigned int BUCK3_suspend_table[] = {
91 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
92 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
93 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
94 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
95 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
96 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
97 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
98 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
99};
100
101static const unsigned int LDO1_table[] = {
102 1800000, 1200000, 2800000, 0,
103};
104
105static const unsigned int LDO1_suspend_table[] = {
106 1800000, 1200000, 0, 0,
107};
108
109static const unsigned int LDO2_table[] = {
110 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
111};
112
113static const unsigned int LDO2_suspend_table[] = {
114 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
115};
116
117static const unsigned int LDO3_table[] = {
118 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
119};
120
121static const unsigned int LDO3_suspend_table[] = {
122 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
123};
124
125static const unsigned int LDO4_table[] = {
126 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
127};
128
129static const unsigned int LDO4_suspend_table[] = {
130 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
131};
132
133static const unsigned int LDO5_table[] = {
134 2900000, 3000000, 3100000, 3300000,
135};
136
137static const unsigned int LDO5_suspend_table[] = {
138 2900000, 0, 0, 0,
139};
140
141static const unsigned int LDO6_table[] = {
142 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
143};
144
145static const unsigned int LDO6_suspend_table[] = {
146 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
147};
148
149static const unsigned int LDO7_table[] = {
150 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
151};
152
153static const unsigned int LDO7_suspend_table[] = {
154 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
155};
156
157static const unsigned int LDO8_table[] = {
158 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
159};
160
161static const unsigned int LDO8_suspend_table[] = {
162 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
163};
164
165static const unsigned int LDO9_table[] = {
166 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
167};
168
169static const unsigned int LDO9_suspend_table[] = {
170 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
171};
172
173static const unsigned int LDO10_table[] = {
174 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
175 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
176};
177
178static const unsigned int LDO10_suspend_table[] = {
179 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
180 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
181};
182
183static const unsigned int LDO12_table[] = {
184 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
185 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
186};
187
188static const unsigned int LDO12_suspend_table[] = {
189 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
190 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
191};
192
193static const unsigned int LDO13_table[] = {
194 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
195};
196
197static const unsigned int LDO13_suspend_table[] = {
198 0,
199};
200
201static const unsigned int LDO14_table[] = {
202 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
203};
204
205static const unsigned int LDO14_suspend_table[] = {
206 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
207};
208
209static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
210{
211 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
212 int ret = -EINVAL;
213
214 if (info->vol_table && (index < rdev->desc->n_voltages)) {
215 ret = info->vol_table[index];
216 if (info->slope_double)
217 ret <<= 1;
218 }
219 return ret;
220}
221
222static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
223{
224 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
225 uint8_t val;
226 int ret;
227
228 val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
229
230 ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
231 rdev->desc->vsel_mask, val);
232 if (ret)
233 return ret;
234 switch (info->desc.id) {
235 case PM8607_ID_BUCK1:
236 case PM8607_ID_BUCK3:
237 ret = pm860x_set_bits(info->i2c, info->update_reg,
238 1 << info->update_bit,
239 1 << info->update_bit);
240 break;
241 }
242 return ret;
243}
244
245static struct regulator_ops pm8607_regulator_ops = {
246 .list_voltage = pm8607_list_voltage,
247 .set_voltage_sel = pm8607_set_voltage_sel,
248 .get_voltage_sel = regulator_get_voltage_sel_regmap,
249 .enable = regulator_enable_regmap,
250 .disable = regulator_disable_regmap,
251 .is_enabled = regulator_is_enabled_regmap,
252};
253
254#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
255{ \
256 .desc = { \
257 .name = #vreg, \
258 .ops = &pm8607_regulator_ops, \
259 .type = REGULATOR_VOLTAGE, \
260 .id = PM8607_ID_##vreg, \
261 .owner = THIS_MODULE, \
262 .n_voltages = ARRAY_SIZE(vreg##_table), \
263 .vsel_reg = PM8607_##vreg, \
264 .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
265 .enable_reg = PM8607_##ereg, \
266 .enable_mask = 1 << (ebit), \
267 }, \
268 .update_reg = PM8607_##ureg, \
269 .update_bit = (ubit), \
270 .slope_double = (0), \
271 .vol_table = (unsigned int *)&vreg##_table, \
272 .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
273}
274
275#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
276{ \
277 .desc = { \
278 .name = "LDO" #_id, \
279 .ops = &pm8607_regulator_ops, \
280 .type = REGULATOR_VOLTAGE, \
281 .id = PM8607_ID_LDO##_id, \
282 .owner = THIS_MODULE, \
283 .n_voltages = ARRAY_SIZE(LDO##_id##_table), \
284 .vsel_reg = PM8607_##vreg, \
285 .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
286 .enable_reg = PM8607_##ereg, \
287 .enable_mask = 1 << (ebit), \
288 }, \
289 .slope_double = (0), \
290 .vol_table = (unsigned int *)&LDO##_id##_table, \
291 .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
292}
293
294static struct pm8607_regulator_info pm8607_regulator_info[] = {
295 PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
296 PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
297 PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
298
299 PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
300 PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
301 PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
302 PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
303 PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
304 PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
305 PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
306 PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
307 PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
308 PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
309 PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
310 PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
311 PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
312};
313
314static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
315{
316 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
317 struct pm8607_regulator_info *info = NULL;
318 struct regulator_init_data *pdata = pdev->dev.platform_data;
319 struct regulator_config config = { };
320 struct resource *res;
321 int i;
322
323 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
324 if (res == NULL) {
325 dev_err(&pdev->dev, "No I/O resource!\n");
326 return -EINVAL;
327 }
328 for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
329 info = &pm8607_regulator_info[i];
330 if (info->desc.id == res->start)
331 break;
332 }
333 if (i == ARRAY_SIZE(pm8607_regulator_info)) {
334 dev_err(&pdev->dev, "Failed to find regulator %llu\n",
335 (unsigned long long)res->start);
336 return -EINVAL;
337 }
338 info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
339 info->chip = chip;
340
341 /* check DVC ramp slope double */
342 if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
343 info->slope_double = 1;
344
345 config.dev = &pdev->dev;
346 config.init_data = pdata;
347 config.driver_data = info;
348
349 if (chip->id == CHIP_PM8607)
350 config.regmap = chip->regmap;
351 else
352 config.regmap = chip->regmap_companion;
353
354 /* replace driver_data with info */
355 info->regulator = regulator_register(&info->desc, &config);
356 if (IS_ERR(info->regulator)) {
357 dev_err(&pdev->dev, "failed to register regulator %s\n",
358 info->desc.name);
359 return PTR_ERR(info->regulator);
360 }
361
362 platform_set_drvdata(pdev, info);
363 return 0;
364}
365
366static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
367{
368 struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
369
370 platform_set_drvdata(pdev, NULL);
371 regulator_unregister(info->regulator);
372 return 0;
373}
374
375static struct platform_driver pm8607_regulator_driver = {
376 .driver = {
377 .name = "88pm860x-regulator",
378 .owner = THIS_MODULE,
379 },
380 .probe = pm8607_regulator_probe,
381 .remove = __devexit_p(pm8607_regulator_remove),
382};
383
384static int __init pm8607_regulator_init(void)
385{
386 return platform_driver_register(&pm8607_regulator_driver);
387}
388subsys_initcall(pm8607_regulator_init);
389
390static void __exit pm8607_regulator_exit(void)
391{
392 platform_driver_unregister(&pm8607_regulator_driver);
393}
394module_exit(pm8607_regulator_exit);
395
396MODULE_LICENSE("GPL");
397MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
398MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
399MODULE_ALIAS("platform:88pm8607-regulator");