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14#include <linux/module.h>
15#include <linux/slab.h>
16#include <linux/err.h>
17#include <linux/platform_device.h>
18#include <linux/regulator/driver.h>
19#include <linux/gpio.h>
20#include <linux/mfd/lp8788.h>
21
22
23#define LP8788_EN_LDO_A 0x0D
24#define LP8788_EN_LDO_B 0x0E
25#define LP8788_EN_LDO_C 0x0F
26#define LP8788_EN_SEL 0x10
27#define LP8788_DLDO1_VOUT 0x2E
28#define LP8788_DLDO2_VOUT 0x2F
29#define LP8788_DLDO3_VOUT 0x30
30#define LP8788_DLDO4_VOUT 0x31
31#define LP8788_DLDO5_VOUT 0x32
32#define LP8788_DLDO6_VOUT 0x33
33#define LP8788_DLDO7_VOUT 0x34
34#define LP8788_DLDO8_VOUT 0x35
35#define LP8788_DLDO9_VOUT 0x36
36#define LP8788_DLDO10_VOUT 0x37
37#define LP8788_DLDO11_VOUT 0x38
38#define LP8788_DLDO12_VOUT 0x39
39#define LP8788_ALDO1_VOUT 0x3A
40#define LP8788_ALDO2_VOUT 0x3B
41#define LP8788_ALDO3_VOUT 0x3C
42#define LP8788_ALDO4_VOUT 0x3D
43#define LP8788_ALDO5_VOUT 0x3E
44#define LP8788_ALDO6_VOUT 0x3F
45#define LP8788_ALDO7_VOUT 0x40
46#define LP8788_ALDO8_VOUT 0x41
47#define LP8788_ALDO9_VOUT 0x42
48#define LP8788_ALDO10_VOUT 0x43
49#define LP8788_DLDO1_TIMESTEP 0x44
50
51
52#define LP8788_EN_DLDO1_M BIT(0)
53#define LP8788_EN_DLDO2_M BIT(1)
54#define LP8788_EN_DLDO3_M BIT(2)
55#define LP8788_EN_DLDO4_M BIT(3)
56#define LP8788_EN_DLDO5_M BIT(4)
57#define LP8788_EN_DLDO6_M BIT(5)
58#define LP8788_EN_DLDO7_M BIT(6)
59#define LP8788_EN_DLDO8_M BIT(7)
60#define LP8788_EN_DLDO9_M BIT(0)
61#define LP8788_EN_DLDO10_M BIT(1)
62#define LP8788_EN_DLDO11_M BIT(2)
63#define LP8788_EN_DLDO12_M BIT(3)
64#define LP8788_EN_ALDO1_M BIT(4)
65#define LP8788_EN_ALDO2_M BIT(5)
66#define LP8788_EN_ALDO3_M BIT(6)
67#define LP8788_EN_ALDO4_M BIT(7)
68#define LP8788_EN_ALDO5_M BIT(0)
69#define LP8788_EN_ALDO6_M BIT(1)
70#define LP8788_EN_ALDO7_M BIT(2)
71#define LP8788_EN_ALDO8_M BIT(3)
72#define LP8788_EN_ALDO9_M BIT(4)
73#define LP8788_EN_ALDO10_M BIT(5)
74#define LP8788_EN_SEL_DLDO911_M BIT(0)
75#define LP8788_EN_SEL_DLDO7_M BIT(1)
76#define LP8788_EN_SEL_ALDO7_M BIT(2)
77#define LP8788_EN_SEL_ALDO5_M BIT(3)
78#define LP8788_EN_SEL_ALDO234_M BIT(4)
79#define LP8788_EN_SEL_ALDO1_M BIT(5)
80#define LP8788_VOUT_5BIT_M 0x1F
81#define LP8788_VOUT_4BIT_M 0x0F
82#define LP8788_VOUT_3BIT_M 0x07
83#define LP8788_VOUT_1BIT_M 0x01
84#define LP8788_STARTUP_TIME_M 0xF8
85#define LP8788_STARTUP_TIME_S 3
86
87#define ENABLE_TIME_USEC 32
88#define ENABLE GPIOF_OUT_INIT_HIGH
89#define DISABLE GPIOF_OUT_INIT_LOW
90
91enum lp8788_ldo_id {
92 DLDO1,
93 DLDO2,
94 DLDO3,
95 DLDO4,
96 DLDO5,
97 DLDO6,
98 DLDO7,
99 DLDO8,
100 DLDO9,
101 DLDO10,
102 DLDO11,
103 DLDO12,
104 ALDO1,
105 ALDO2,
106 ALDO3,
107 ALDO4,
108 ALDO5,
109 ALDO6,
110 ALDO7,
111 ALDO8,
112 ALDO9,
113 ALDO10,
114};
115
116struct lp8788_ldo {
117 struct lp8788 *lp;
118 struct regulator_desc *desc;
119 struct regulator_dev *regulator;
120 struct lp8788_ldo_enable_pin *en_pin;
121};
122
123
124static const int lp8788_dldo1239_vtbl[] = {
125 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000,
126 2600000, 2700000, 2800000, 2900000, 3000000, 2850000, 2850000, 2850000,
127 2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000,
128 2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000,
129};
130
131
132static const int lp8788_dldo4_vtbl[] = { 1800000, 3000000 };
133
134
135static const int lp8788_dldo578_aldo6_vtbl[] = {
136 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000,
137 2600000, 2700000, 2800000, 2900000, 3000000, 3000000, 3000000, 3000000,
138};
139
140
141static const int lp8788_dldo6_vtbl[] = {
142 3000000, 3100000, 3200000, 3300000, 3400000, 3500000, 3600000, 3600000,
143};
144
145
146static const int lp8788_dldo1011_vtbl[] = {
147 1100000, 1150000, 1200000, 1250000, 1300000, 1350000, 1400000, 1450000,
148 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000,
149};
150
151
152static const int lp8788_aldo1_vtbl[] = { 1800000, 2850000 };
153
154
155static const int lp8788_aldo7_vtbl[] = {
156 1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1800000,
157};
158
159static int lp8788_ldo_enable_time(struct regulator_dev *rdev)
160{
161 struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
162 enum lp8788_ldo_id id = rdev_get_id(rdev);
163 u8 val, addr = LP8788_DLDO1_TIMESTEP + id;
164
165 if (lp8788_read_byte(ldo->lp, addr, &val))
166 return -EINVAL;
167
168 val = (val & LP8788_STARTUP_TIME_M) >> LP8788_STARTUP_TIME_S;
169
170 return ENABLE_TIME_USEC * val;
171}
172
173static struct regulator_ops lp8788_ldo_voltage_table_ops = {
174 .list_voltage = regulator_list_voltage_table,
175 .set_voltage_sel = regulator_set_voltage_sel_regmap,
176 .get_voltage_sel = regulator_get_voltage_sel_regmap,
177 .enable = regulator_enable_regmap,
178 .disable = regulator_disable_regmap,
179 .is_enabled = regulator_is_enabled_regmap,
180 .enable_time = lp8788_ldo_enable_time,
181};
182
183static struct regulator_ops lp8788_ldo_voltage_fixed_ops = {
184 .list_voltage = regulator_list_voltage_linear,
185 .enable = regulator_enable_regmap,
186 .disable = regulator_disable_regmap,
187 .is_enabled = regulator_is_enabled_regmap,
188 .enable_time = lp8788_ldo_enable_time,
189};
190
191static struct regulator_desc lp8788_dldo_desc[] = {
192 {
193 .name = "dldo1",
194 .id = DLDO1,
195 .ops = &lp8788_ldo_voltage_table_ops,
196 .n_voltages = ARRAY_SIZE(lp8788_dldo1239_vtbl),
197 .volt_table = lp8788_dldo1239_vtbl,
198 .type = REGULATOR_VOLTAGE,
199 .owner = THIS_MODULE,
200 .vsel_reg = LP8788_DLDO1_VOUT,
201 .vsel_mask = LP8788_VOUT_5BIT_M,
202 .enable_reg = LP8788_EN_LDO_A,
203 .enable_mask = LP8788_EN_DLDO1_M,
204 },
205 {
206 .name = "dldo2",
207 .id = DLDO2,
208 .ops = &lp8788_ldo_voltage_table_ops,
209 .n_voltages = ARRAY_SIZE(lp8788_dldo1239_vtbl),
210 .volt_table = lp8788_dldo1239_vtbl,
211 .type = REGULATOR_VOLTAGE,
212 .owner = THIS_MODULE,
213 .vsel_reg = LP8788_DLDO2_VOUT,
214 .vsel_mask = LP8788_VOUT_5BIT_M,
215 .enable_reg = LP8788_EN_LDO_A,
216 .enable_mask = LP8788_EN_DLDO2_M,
217 },
218 {
219 .name = "dldo3",
220 .id = DLDO3,
221 .ops = &lp8788_ldo_voltage_table_ops,
222 .n_voltages = ARRAY_SIZE(lp8788_dldo1239_vtbl),
223 .volt_table = lp8788_dldo1239_vtbl,
224 .type = REGULATOR_VOLTAGE,
225 .owner = THIS_MODULE,
226 .vsel_reg = LP8788_DLDO3_VOUT,
227 .vsel_mask = LP8788_VOUT_5BIT_M,
228 .enable_reg = LP8788_EN_LDO_A,
229 .enable_mask = LP8788_EN_DLDO3_M,
230 },
231 {
232 .name = "dldo4",
233 .id = DLDO4,
234 .ops = &lp8788_ldo_voltage_table_ops,
235 .n_voltages = ARRAY_SIZE(lp8788_dldo4_vtbl),
236 .volt_table = lp8788_dldo4_vtbl,
237 .type = REGULATOR_VOLTAGE,
238 .owner = THIS_MODULE,
239 .vsel_reg = LP8788_DLDO4_VOUT,
240 .vsel_mask = LP8788_VOUT_1BIT_M,
241 .enable_reg = LP8788_EN_LDO_A,
242 .enable_mask = LP8788_EN_DLDO4_M,
243 },
244 {
245 .name = "dldo5",
246 .id = DLDO5,
247 .ops = &lp8788_ldo_voltage_table_ops,
248 .n_voltages = ARRAY_SIZE(lp8788_dldo578_aldo6_vtbl),
249 .volt_table = lp8788_dldo578_aldo6_vtbl,
250 .type = REGULATOR_VOLTAGE,
251 .owner = THIS_MODULE,
252 .vsel_reg = LP8788_DLDO5_VOUT,
253 .vsel_mask = LP8788_VOUT_4BIT_M,
254 .enable_reg = LP8788_EN_LDO_A,
255 .enable_mask = LP8788_EN_DLDO5_M,
256 },
257 {
258 .name = "dldo6",
259 .id = DLDO6,
260 .ops = &lp8788_ldo_voltage_table_ops,
261 .n_voltages = ARRAY_SIZE(lp8788_dldo6_vtbl),
262 .volt_table = lp8788_dldo6_vtbl,
263 .type = REGULATOR_VOLTAGE,
264 .owner = THIS_MODULE,
265 .vsel_reg = LP8788_DLDO6_VOUT,
266 .vsel_mask = LP8788_VOUT_3BIT_M,
267 .enable_reg = LP8788_EN_LDO_A,
268 .enable_mask = LP8788_EN_DLDO6_M,
269 },
270 {
271 .name = "dldo7",
272 .id = DLDO7,
273 .ops = &lp8788_ldo_voltage_table_ops,
274 .n_voltages = ARRAY_SIZE(lp8788_dldo578_aldo6_vtbl),
275 .volt_table = lp8788_dldo578_aldo6_vtbl,
276 .type = REGULATOR_VOLTAGE,
277 .owner = THIS_MODULE,
278 .vsel_reg = LP8788_DLDO7_VOUT,
279 .vsel_mask = LP8788_VOUT_4BIT_M,
280 .enable_reg = LP8788_EN_LDO_A,
281 .enable_mask = LP8788_EN_DLDO7_M,
282 },
283 {
284 .name = "dldo8",
285 .id = DLDO8,
286 .ops = &lp8788_ldo_voltage_table_ops,
287 .n_voltages = ARRAY_SIZE(lp8788_dldo578_aldo6_vtbl),
288 .volt_table = lp8788_dldo578_aldo6_vtbl,
289 .type = REGULATOR_VOLTAGE,
290 .owner = THIS_MODULE,
291 .vsel_reg = LP8788_DLDO8_VOUT,
292 .vsel_mask = LP8788_VOUT_4BIT_M,
293 .enable_reg = LP8788_EN_LDO_A,
294 .enable_mask = LP8788_EN_DLDO8_M,
295 },
296 {
297 .name = "dldo9",
298 .id = DLDO9,
299 .ops = &lp8788_ldo_voltage_table_ops,
300 .n_voltages = ARRAY_SIZE(lp8788_dldo1239_vtbl),
301 .volt_table = lp8788_dldo1239_vtbl,
302 .type = REGULATOR_VOLTAGE,
303 .owner = THIS_MODULE,
304 .vsel_reg = LP8788_DLDO9_VOUT,
305 .vsel_mask = LP8788_VOUT_5BIT_M,
306 .enable_reg = LP8788_EN_LDO_B,
307 .enable_mask = LP8788_EN_DLDO9_M,
308 },
309 {
310 .name = "dldo10",
311 .id = DLDO10,
312 .ops = &lp8788_ldo_voltage_table_ops,
313 .n_voltages = ARRAY_SIZE(lp8788_dldo1011_vtbl),
314 .volt_table = lp8788_dldo1011_vtbl,
315 .type = REGULATOR_VOLTAGE,
316 .owner = THIS_MODULE,
317 .vsel_reg = LP8788_DLDO10_VOUT,
318 .vsel_mask = LP8788_VOUT_4BIT_M,
319 .enable_reg = LP8788_EN_LDO_B,
320 .enable_mask = LP8788_EN_DLDO10_M,
321 },
322 {
323 .name = "dldo11",
324 .id = DLDO11,
325 .ops = &lp8788_ldo_voltage_table_ops,
326 .n_voltages = ARRAY_SIZE(lp8788_dldo1011_vtbl),
327 .volt_table = lp8788_dldo1011_vtbl,
328 .type = REGULATOR_VOLTAGE,
329 .owner = THIS_MODULE,
330 .vsel_reg = LP8788_DLDO11_VOUT,
331 .vsel_mask = LP8788_VOUT_4BIT_M,
332 .enable_reg = LP8788_EN_LDO_B,
333 .enable_mask = LP8788_EN_DLDO11_M,
334 },
335 {
336 .name = "dldo12",
337 .id = DLDO12,
338 .ops = &lp8788_ldo_voltage_fixed_ops,
339 .n_voltages = 1,
340 .type = REGULATOR_VOLTAGE,
341 .owner = THIS_MODULE,
342 .enable_reg = LP8788_EN_LDO_B,
343 .enable_mask = LP8788_EN_DLDO12_M,
344 .min_uV = 2500000,
345 },
346};
347
348static struct regulator_desc lp8788_aldo_desc[] = {
349 {
350 .name = "aldo1",
351 .id = ALDO1,
352 .ops = &lp8788_ldo_voltage_table_ops,
353 .n_voltages = ARRAY_SIZE(lp8788_aldo1_vtbl),
354 .volt_table = lp8788_aldo1_vtbl,
355 .type = REGULATOR_VOLTAGE,
356 .owner = THIS_MODULE,
357 .vsel_reg = LP8788_ALDO1_VOUT,
358 .vsel_mask = LP8788_VOUT_1BIT_M,
359 .enable_reg = LP8788_EN_LDO_B,
360 .enable_mask = LP8788_EN_ALDO1_M,
361 },
362 {
363 .name = "aldo2",
364 .id = ALDO2,
365 .ops = &lp8788_ldo_voltage_fixed_ops,
366 .n_voltages = 1,
367 .type = REGULATOR_VOLTAGE,
368 .owner = THIS_MODULE,
369 .enable_reg = LP8788_EN_LDO_B,
370 .enable_mask = LP8788_EN_ALDO2_M,
371 .min_uV = 2850000,
372 },
373 {
374 .name = "aldo3",
375 .id = ALDO3,
376 .ops = &lp8788_ldo_voltage_fixed_ops,
377 .n_voltages = 1,
378 .type = REGULATOR_VOLTAGE,
379 .owner = THIS_MODULE,
380 .enable_reg = LP8788_EN_LDO_B,
381 .enable_mask = LP8788_EN_ALDO3_M,
382 .min_uV = 2850000,
383 },
384 {
385 .name = "aldo4",
386 .id = ALDO4,
387 .ops = &lp8788_ldo_voltage_fixed_ops,
388 .n_voltages = 1,
389 .type = REGULATOR_VOLTAGE,
390 .owner = THIS_MODULE,
391 .enable_reg = LP8788_EN_LDO_B,
392 .enable_mask = LP8788_EN_ALDO4_M,
393 .min_uV = 2850000,
394 },
395 {
396 .name = "aldo5",
397 .id = ALDO5,
398 .ops = &lp8788_ldo_voltage_fixed_ops,
399 .n_voltages = 1,
400 .type = REGULATOR_VOLTAGE,
401 .owner = THIS_MODULE,
402 .enable_reg = LP8788_EN_LDO_C,
403 .enable_mask = LP8788_EN_ALDO5_M,
404 .min_uV = 2850000,
405 },
406 {
407 .name = "aldo6",
408 .id = ALDO6,
409 .ops = &lp8788_ldo_voltage_table_ops,
410 .n_voltages = ARRAY_SIZE(lp8788_dldo578_aldo6_vtbl),
411 .volt_table = lp8788_dldo578_aldo6_vtbl,
412 .type = REGULATOR_VOLTAGE,
413 .owner = THIS_MODULE,
414 .vsel_reg = LP8788_ALDO6_VOUT,
415 .vsel_mask = LP8788_VOUT_4BIT_M,
416 .enable_reg = LP8788_EN_LDO_C,
417 .enable_mask = LP8788_EN_ALDO6_M,
418 },
419 {
420 .name = "aldo7",
421 .id = ALDO7,
422 .ops = &lp8788_ldo_voltage_table_ops,
423 .n_voltages = ARRAY_SIZE(lp8788_aldo7_vtbl),
424 .volt_table = lp8788_aldo7_vtbl,
425 .type = REGULATOR_VOLTAGE,
426 .owner = THIS_MODULE,
427 .vsel_reg = LP8788_ALDO7_VOUT,
428 .vsel_mask = LP8788_VOUT_3BIT_M,
429 .enable_reg = LP8788_EN_LDO_C,
430 .enable_mask = LP8788_EN_ALDO7_M,
431 },
432 {
433 .name = "aldo8",
434 .id = ALDO8,
435 .ops = &lp8788_ldo_voltage_fixed_ops,
436 .n_voltages = 1,
437 .type = REGULATOR_VOLTAGE,
438 .owner = THIS_MODULE,
439 .enable_reg = LP8788_EN_LDO_C,
440 .enable_mask = LP8788_EN_ALDO8_M,
441 .min_uV = 2500000,
442 },
443 {
444 .name = "aldo9",
445 .id = ALDO9,
446 .ops = &lp8788_ldo_voltage_fixed_ops,
447 .n_voltages = 1,
448 .type = REGULATOR_VOLTAGE,
449 .owner = THIS_MODULE,
450 .enable_reg = LP8788_EN_LDO_C,
451 .enable_mask = LP8788_EN_ALDO9_M,
452 .min_uV = 2500000,
453 },
454 {
455 .name = "aldo10",
456 .id = ALDO10,
457 .ops = &lp8788_ldo_voltage_fixed_ops,
458 .n_voltages = 1,
459 .type = REGULATOR_VOLTAGE,
460 .owner = THIS_MODULE,
461 .enable_reg = LP8788_EN_LDO_C,
462 .enable_mask = LP8788_EN_ALDO10_M,
463 .min_uV = 1100000,
464 },
465};
466
467static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
468 struct lp8788_ldo *ldo,
469 enum lp8788_ldo_id id)
470{
471 struct lp8788 *lp = ldo->lp;
472 struct lp8788_platform_data *pdata = lp->pdata;
473 enum lp8788_ext_ldo_en_id enable_id;
474 u8 en_mask[] = {
475 [EN_ALDO1] = LP8788_EN_SEL_ALDO1_M,
476 [EN_ALDO234] = LP8788_EN_SEL_ALDO234_M,
477 [EN_ALDO5] = LP8788_EN_SEL_ALDO5_M,
478 [EN_ALDO7] = LP8788_EN_SEL_ALDO7_M,
479 [EN_DLDO7] = LP8788_EN_SEL_DLDO7_M,
480 [EN_DLDO911] = LP8788_EN_SEL_DLDO911_M,
481 };
482
483 switch (id) {
484 case DLDO7:
485 enable_id = EN_DLDO7;
486 break;
487 case DLDO9:
488 case DLDO11:
489 enable_id = EN_DLDO911;
490 break;
491 case ALDO1:
492 enable_id = EN_ALDO1;
493 break;
494 case ALDO2 ... ALDO4:
495 enable_id = EN_ALDO234;
496 break;
497 case ALDO5:
498 enable_id = EN_ALDO5;
499 break;
500 case ALDO7:
501 enable_id = EN_ALDO7;
502 break;
503 default:
504 return 0;
505 }
506
507
508 if (!pdata || !pdata->ldo_pin || !pdata->ldo_pin[enable_id])
509 goto set_default_ldo_enable_mode;
510
511 ldo->en_pin = pdata->ldo_pin[enable_id];
512 return 0;
513
514set_default_ldo_enable_mode:
515 return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id], 0);
516}
517
518static int lp8788_dldo_probe(struct platform_device *pdev)
519{
520 struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
521 int id = pdev->id;
522 struct lp8788_ldo *ldo;
523 struct regulator_config cfg = { };
524 struct regulator_dev *rdev;
525 int ret;
526
527 ldo = devm_kzalloc(&pdev->dev, sizeof(struct lp8788_ldo), GFP_KERNEL);
528 if (!ldo)
529 return -ENOMEM;
530
531 ldo->lp = lp;
532 ret = lp8788_config_ldo_enable_mode(pdev, ldo, id);
533 if (ret)
534 return ret;
535
536 if (ldo->en_pin) {
537 cfg.ena_gpio = ldo->en_pin->gpio;
538 cfg.ena_gpio_flags = ldo->en_pin->init_state;
539 }
540
541 cfg.dev = pdev->dev.parent;
542 cfg.init_data = lp->pdata ? lp->pdata->dldo_data[id] : NULL;
543 cfg.driver_data = ldo;
544 cfg.regmap = lp->regmap;
545
546 rdev = devm_regulator_register(&pdev->dev, &lp8788_dldo_desc[id], &cfg);
547 if (IS_ERR(rdev)) {
548 ret = PTR_ERR(rdev);
549 dev_err(&pdev->dev, "DLDO%d regulator register err = %d\n",
550 id + 1, ret);
551 return ret;
552 }
553
554 ldo->regulator = rdev;
555 platform_set_drvdata(pdev, ldo);
556
557 return 0;
558}
559
560static struct platform_driver lp8788_dldo_driver = {
561 .probe = lp8788_dldo_probe,
562 .driver = {
563 .name = LP8788_DEV_DLDO,
564 },
565};
566
567static int lp8788_aldo_probe(struct platform_device *pdev)
568{
569 struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
570 int id = pdev->id;
571 struct lp8788_ldo *ldo;
572 struct regulator_config cfg = { };
573 struct regulator_dev *rdev;
574 int ret;
575
576 ldo = devm_kzalloc(&pdev->dev, sizeof(struct lp8788_ldo), GFP_KERNEL);
577 if (!ldo)
578 return -ENOMEM;
579
580 ldo->lp = lp;
581 ret = lp8788_config_ldo_enable_mode(pdev, ldo, id + ALDO1);
582 if (ret)
583 return ret;
584
585 if (ldo->en_pin) {
586 cfg.ena_gpio = ldo->en_pin->gpio;
587 cfg.ena_gpio_flags = ldo->en_pin->init_state;
588 }
589
590 cfg.dev = pdev->dev.parent;
591 cfg.init_data = lp->pdata ? lp->pdata->aldo_data[id] : NULL;
592 cfg.driver_data = ldo;
593 cfg.regmap = lp->regmap;
594
595 rdev = devm_regulator_register(&pdev->dev, &lp8788_aldo_desc[id], &cfg);
596 if (IS_ERR(rdev)) {
597 ret = PTR_ERR(rdev);
598 dev_err(&pdev->dev, "ALDO%d regulator register err = %d\n",
599 id + 1, ret);
600 return ret;
601 }
602
603 ldo->regulator = rdev;
604 platform_set_drvdata(pdev, ldo);
605
606 return 0;
607}
608
609static struct platform_driver lp8788_aldo_driver = {
610 .probe = lp8788_aldo_probe,
611 .driver = {
612 .name = LP8788_DEV_ALDO,
613 },
614};
615
616static int __init lp8788_ldo_init(void)
617{
618 int ret;
619
620 ret = platform_driver_register(&lp8788_dldo_driver);
621 if (ret)
622 return ret;
623
624 return platform_driver_register(&lp8788_aldo_driver);
625}
626subsys_initcall(lp8788_ldo_init);
627
628static void __exit lp8788_ldo_exit(void)
629{
630 platform_driver_unregister(&lp8788_aldo_driver);
631 platform_driver_unregister(&lp8788_dldo_driver);
632}
633module_exit(lp8788_ldo_exit);
634
635MODULE_DESCRIPTION("TI LP8788 LDO Driver");
636MODULE_AUTHOR("Milo Kim");
637MODULE_LICENSE("GPL");
638MODULE_ALIAS("platform:lp8788-dldo");
639MODULE_ALIAS("platform:lp8788-aldo");
640
