Version:  2.0.40 2.2.26 2.4.37 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16

Linux/drivers/mfd/ab8500-core.c

  1 /*
  2  * Copyright (C) ST-Ericsson SA 2010
  3  *
  4  * License Terms: GNU General Public License v2
  5  * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
  6  * Author: Rabin Vincent <rabin.vincent@stericsson.com>
  7  * Author: Mattias Wallin <mattias.wallin@stericsson.com>
  8  */
  9 
 10 #include <linux/kernel.h>
 11 #include <linux/slab.h>
 12 #include <linux/init.h>
 13 #include <linux/irq.h>
 14 #include <linux/irqdomain.h>
 15 #include <linux/delay.h>
 16 #include <linux/interrupt.h>
 17 #include <linux/module.h>
 18 #include <linux/platform_device.h>
 19 #include <linux/mfd/core.h>
 20 #include <linux/mfd/abx500.h>
 21 #include <linux/mfd/abx500/ab8500.h>
 22 #include <linux/mfd/abx500/ab8500-bm.h>
 23 #include <linux/mfd/dbx500-prcmu.h>
 24 #include <linux/regulator/ab8500.h>
 25 #include <linux/of.h>
 26 #include <linux/of_device.h>
 27 
 28 /*
 29  * Interrupt register offsets
 30  * Bank : 0x0E
 31  */
 32 #define AB8500_IT_SOURCE1_REG           0x00
 33 #define AB8500_IT_SOURCE2_REG           0x01
 34 #define AB8500_IT_SOURCE3_REG           0x02
 35 #define AB8500_IT_SOURCE4_REG           0x03
 36 #define AB8500_IT_SOURCE5_REG           0x04
 37 #define AB8500_IT_SOURCE6_REG           0x05
 38 #define AB8500_IT_SOURCE7_REG           0x06
 39 #define AB8500_IT_SOURCE8_REG           0x07
 40 #define AB9540_IT_SOURCE13_REG          0x0C
 41 #define AB8500_IT_SOURCE19_REG          0x12
 42 #define AB8500_IT_SOURCE20_REG          0x13
 43 #define AB8500_IT_SOURCE21_REG          0x14
 44 #define AB8500_IT_SOURCE22_REG          0x15
 45 #define AB8500_IT_SOURCE23_REG          0x16
 46 #define AB8500_IT_SOURCE24_REG          0x17
 47 
 48 /*
 49  * latch registers
 50  */
 51 #define AB8500_IT_LATCH1_REG            0x20
 52 #define AB8500_IT_LATCH2_REG            0x21
 53 #define AB8500_IT_LATCH3_REG            0x22
 54 #define AB8500_IT_LATCH4_REG            0x23
 55 #define AB8500_IT_LATCH5_REG            0x24
 56 #define AB8500_IT_LATCH6_REG            0x25
 57 #define AB8500_IT_LATCH7_REG            0x26
 58 #define AB8500_IT_LATCH8_REG            0x27
 59 #define AB8500_IT_LATCH9_REG            0x28
 60 #define AB8500_IT_LATCH10_REG           0x29
 61 #define AB8500_IT_LATCH12_REG           0x2B
 62 #define AB9540_IT_LATCH13_REG           0x2C
 63 #define AB8500_IT_LATCH19_REG           0x32
 64 #define AB8500_IT_LATCH20_REG           0x33
 65 #define AB8500_IT_LATCH21_REG           0x34
 66 #define AB8500_IT_LATCH22_REG           0x35
 67 #define AB8500_IT_LATCH23_REG           0x36
 68 #define AB8500_IT_LATCH24_REG           0x37
 69 
 70 /*
 71  * mask registers
 72  */
 73 
 74 #define AB8500_IT_MASK1_REG             0x40
 75 #define AB8500_IT_MASK2_REG             0x41
 76 #define AB8500_IT_MASK3_REG             0x42
 77 #define AB8500_IT_MASK4_REG             0x43
 78 #define AB8500_IT_MASK5_REG             0x44
 79 #define AB8500_IT_MASK6_REG             0x45
 80 #define AB8500_IT_MASK7_REG             0x46
 81 #define AB8500_IT_MASK8_REG             0x47
 82 #define AB8500_IT_MASK9_REG             0x48
 83 #define AB8500_IT_MASK10_REG            0x49
 84 #define AB8500_IT_MASK11_REG            0x4A
 85 #define AB8500_IT_MASK12_REG            0x4B
 86 #define AB8500_IT_MASK13_REG            0x4C
 87 #define AB8500_IT_MASK14_REG            0x4D
 88 #define AB8500_IT_MASK15_REG            0x4E
 89 #define AB8500_IT_MASK16_REG            0x4F
 90 #define AB8500_IT_MASK17_REG            0x50
 91 #define AB8500_IT_MASK18_REG            0x51
 92 #define AB8500_IT_MASK19_REG            0x52
 93 #define AB8500_IT_MASK20_REG            0x53
 94 #define AB8500_IT_MASK21_REG            0x54
 95 #define AB8500_IT_MASK22_REG            0x55
 96 #define AB8500_IT_MASK23_REG            0x56
 97 #define AB8500_IT_MASK24_REG            0x57
 98 #define AB8500_IT_MASK25_REG            0x58
 99 
100 /*
101  * latch hierarchy registers
102  */
103 #define AB8500_IT_LATCHHIER1_REG        0x60
104 #define AB8500_IT_LATCHHIER2_REG        0x61
105 #define AB8500_IT_LATCHHIER3_REG        0x62
106 #define AB8540_IT_LATCHHIER4_REG        0x63
107 
108 #define AB8500_IT_LATCHHIER_NUM         3
109 #define AB8540_IT_LATCHHIER_NUM         4
110 
111 #define AB8500_REV_REG                  0x80
112 #define AB8500_IC_NAME_REG              0x82
113 #define AB8500_SWITCH_OFF_STATUS        0x00
114 
115 #define AB8500_TURN_ON_STATUS           0x00
116 #define AB8505_TURN_ON_STATUS_2 0x04
117 
118 #define AB8500_CH_USBCH_STAT1_REG       0x02
119 #define VBUS_DET_DBNC100                0x02
120 #define VBUS_DET_DBNC1                  0x01
121 
122 static DEFINE_SPINLOCK(on_stat_lock);
123 static u8 turn_on_stat_mask = 0xFF;
124 static u8 turn_on_stat_set;
125 static bool no_bm; /* No battery management */
126 module_param(no_bm, bool, S_IRUGO);
127 
128 #define AB9540_MODEM_CTRL2_REG                  0x23
129 #define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT        BIT(2)
130 
131 /*
132  * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
133  * numbers are indexed into this array with (num / 8). The interupts are
134  * defined in linux/mfd/ab8500.h
135  *
136  * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
137  * offset 0.
138  */
139 /* AB8500 support */
140 static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
141         0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
142 };
143 
144 /* AB9540 / AB8505 support */
145 static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = {
146         0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23
147 };
148 
149 /* AB8540 support */
150 static const int ab8540_irq_regoffset[AB8540_NUM_IRQ_REGS] = {
151         0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23,
152         25, 26, 27, 28, 29, 30, 31,
153 };
154 
155 static const char ab8500_version_str[][7] = {
156         [AB8500_VERSION_AB8500] = "AB8500",
157         [AB8500_VERSION_AB8505] = "AB8505",
158         [AB8500_VERSION_AB9540] = "AB9540",
159         [AB8500_VERSION_AB8540] = "AB8540",
160 };
161 
162 static int ab8500_prcmu_write(struct ab8500 *ab8500, u16 addr, u8 data)
163 {
164         int ret;
165 
166         ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
167         if (ret < 0)
168                 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
169         return ret;
170 }
171 
172 static int ab8500_prcmu_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask,
173         u8 data)
174 {
175         int ret;
176 
177         ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data,
178                 &mask, 1);
179         if (ret < 0)
180                 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
181         return ret;
182 }
183 
184 static int ab8500_prcmu_read(struct ab8500 *ab8500, u16 addr)
185 {
186         int ret;
187         u8 data;
188 
189         ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
190         if (ret < 0) {
191                 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
192                 return ret;
193         }
194         return (int)data;
195 }
196 
197 static int ab8500_get_chip_id(struct device *dev)
198 {
199         struct ab8500 *ab8500;
200 
201         if (!dev)
202                 return -EINVAL;
203         ab8500 = dev_get_drvdata(dev->parent);
204         return ab8500 ? (int)ab8500->chip_id : -EINVAL;
205 }
206 
207 static int set_register_interruptible(struct ab8500 *ab8500, u8 bank,
208         u8 reg, u8 data)
209 {
210         int ret;
211         /*
212          * Put the u8 bank and u8 register together into a an u16.
213          * The bank on higher 8 bits and register in lower 8 bits.
214          * */
215         u16 addr = ((u16)bank) << 8 | reg;
216 
217         dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data);
218 
219         mutex_lock(&ab8500->lock);
220 
221         ret = ab8500->write(ab8500, addr, data);
222         if (ret < 0)
223                 dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
224                         addr, ret);
225         mutex_unlock(&ab8500->lock);
226 
227         return ret;
228 }
229 
230 static int ab8500_set_register(struct device *dev, u8 bank,
231         u8 reg, u8 value)
232 {
233         int ret;
234         struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
235 
236         atomic_inc(&ab8500->transfer_ongoing);
237         ret = set_register_interruptible(ab8500, bank, reg, value);
238         atomic_dec(&ab8500->transfer_ongoing);
239         return ret;
240 }
241 
242 static int get_register_interruptible(struct ab8500 *ab8500, u8 bank,
243         u8 reg, u8 *value)
244 {
245         int ret;
246         /* put the u8 bank and u8 reg together into a an u16.
247          * bank on higher 8 bits and reg in lower */
248         u16 addr = ((u16)bank) << 8 | reg;
249 
250         mutex_lock(&ab8500->lock);
251 
252         ret = ab8500->read(ab8500, addr);
253         if (ret < 0)
254                 dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
255                         addr, ret);
256         else
257                 *value = ret;
258 
259         mutex_unlock(&ab8500->lock);
260         dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
261 
262         return ret;
263 }
264 
265 static int ab8500_get_register(struct device *dev, u8 bank,
266         u8 reg, u8 *value)
267 {
268         int ret;
269         struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
270 
271         atomic_inc(&ab8500->transfer_ongoing);
272         ret = get_register_interruptible(ab8500, bank, reg, value);
273         atomic_dec(&ab8500->transfer_ongoing);
274         return ret;
275 }
276 
277 static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank,
278         u8 reg, u8 bitmask, u8 bitvalues)
279 {
280         int ret;
281         /* put the u8 bank and u8 reg together into a an u16.
282          * bank on higher 8 bits and reg in lower */
283         u16 addr = ((u16)bank) << 8 | reg;
284 
285         mutex_lock(&ab8500->lock);
286 
287         if (ab8500->write_masked == NULL) {
288                 u8 data;
289 
290                 ret = ab8500->read(ab8500, addr);
291                 if (ret < 0) {
292                         dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
293                                 addr, ret);
294                         goto out;
295                 }
296 
297                 data = (u8)ret;
298                 data = (~bitmask & data) | (bitmask & bitvalues);
299 
300                 ret = ab8500->write(ab8500, addr, data);
301                 if (ret < 0)
302                         dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
303                                 addr, ret);
304 
305                 dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr,
306                         data);
307                 goto out;
308         }
309         ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues);
310         if (ret < 0)
311                 dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr,
312                         ret);
313 out:
314         mutex_unlock(&ab8500->lock);
315         return ret;
316 }
317 
318 static int ab8500_mask_and_set_register(struct device *dev,
319         u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
320 {
321         int ret;
322         struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
323 
324         atomic_inc(&ab8500->transfer_ongoing);
325         ret= mask_and_set_register_interruptible(ab8500, bank, reg,
326                                                  bitmask, bitvalues);
327         atomic_dec(&ab8500->transfer_ongoing);
328         return ret;
329 }
330 
331 static struct abx500_ops ab8500_ops = {
332         .get_chip_id = ab8500_get_chip_id,
333         .get_register = ab8500_get_register,
334         .set_register = ab8500_set_register,
335         .get_register_page = NULL,
336         .set_register_page = NULL,
337         .mask_and_set_register = ab8500_mask_and_set_register,
338         .event_registers_startup_state_get = NULL,
339         .startup_irq_enabled = NULL,
340         .dump_all_banks = ab8500_dump_all_banks,
341 };
342 
343 static void ab8500_irq_lock(struct irq_data *data)
344 {
345         struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
346 
347         mutex_lock(&ab8500->irq_lock);
348         atomic_inc(&ab8500->transfer_ongoing);
349 }
350 
351 static void ab8500_irq_sync_unlock(struct irq_data *data)
352 {
353         struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
354         int i;
355 
356         for (i = 0; i < ab8500->mask_size; i++) {
357                 u8 old = ab8500->oldmask[i];
358                 u8 new = ab8500->mask[i];
359                 int reg;
360 
361                 if (new == old)
362                         continue;
363 
364                 /*
365                  * Interrupt register 12 doesn't exist prior to AB8500 version
366                  * 2.0
367                  */
368                 if (ab8500->irq_reg_offset[i] == 11 &&
369                         is_ab8500_1p1_or_earlier(ab8500))
370                         continue;
371 
372                 if (ab8500->irq_reg_offset[i] < 0)
373                         continue;
374 
375                 ab8500->oldmask[i] = new;
376 
377                 reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i];
378                 set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new);
379         }
380         atomic_dec(&ab8500->transfer_ongoing);
381         mutex_unlock(&ab8500->irq_lock);
382 }
383 
384 static void ab8500_irq_mask(struct irq_data *data)
385 {
386         struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
387         int offset = data->hwirq;
388         int index = offset / 8;
389         int mask = 1 << (offset % 8);
390 
391         ab8500->mask[index] |= mask;
392 
393         /* The AB8500 GPIOs have two interrupts each (rising & falling). */
394         if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R)
395                 ab8500->mask[index + 2] |= mask;
396         if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)
397                 ab8500->mask[index + 1] |= mask;
398         if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)
399                 /* Here the falling IRQ is one bit lower */
400                 ab8500->mask[index] |= (mask << 1);
401 }
402 
403 static void ab8500_irq_unmask(struct irq_data *data)
404 {
405         struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
406         unsigned int type = irqd_get_trigger_type(data);
407         int offset = data->hwirq;
408         int index = offset / 8;
409         int mask = 1 << (offset % 8);
410 
411         if (type & IRQ_TYPE_EDGE_RISING)
412                 ab8500->mask[index] &= ~mask;
413 
414         /* The AB8500 GPIOs have two interrupts each (rising & falling). */
415         if (type & IRQ_TYPE_EDGE_FALLING) {
416                 if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R)
417                         ab8500->mask[index + 2] &= ~mask;
418                 else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)
419                         ab8500->mask[index + 1] &= ~mask;
420                 else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)
421                         /* Here the falling IRQ is one bit lower */
422                         ab8500->mask[index] &= ~(mask << 1);
423                 else
424                         ab8500->mask[index] &= ~mask;
425         } else {
426                 /* Satisfies the case where type is not set. */
427                 ab8500->mask[index] &= ~mask;
428         }
429 }
430 
431 static int ab8500_irq_set_type(struct irq_data *data, unsigned int type)
432 {
433         return 0;
434 }
435 
436 static struct irq_chip ab8500_irq_chip = {
437         .name                   = "ab8500",
438         .irq_bus_lock           = ab8500_irq_lock,
439         .irq_bus_sync_unlock    = ab8500_irq_sync_unlock,
440         .irq_mask               = ab8500_irq_mask,
441         .irq_disable            = ab8500_irq_mask,
442         .irq_unmask             = ab8500_irq_unmask,
443         .irq_set_type           = ab8500_irq_set_type,
444 };
445 
446 static void update_latch_offset(u8 *offset, int i)
447 {
448         /* Fix inconsistent ITFromLatch25 bit mapping... */
449         if (unlikely(*offset == 17))
450                         *offset = 24;
451         /* Fix inconsistent ab8540 bit mapping... */
452         if (unlikely(*offset == 16))
453                         *offset = 25;
454         if ((i==3) && (*offset >= 24))
455                         *offset += 2;
456 }
457 
458 static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
459                                         int latch_offset, u8 latch_val)
460 {
461         int int_bit, line, i;
462 
463         for (i = 0; i < ab8500->mask_size; i++)
464                 if (ab8500->irq_reg_offset[i] == latch_offset)
465                         break;
466 
467         if (i >= ab8500->mask_size) {
468                 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n",
469                                 latch_offset);
470                 return -ENXIO;
471         }
472 
473         /* ignore masked out interrupts */
474         latch_val &= ~ab8500->mask[i];
475 
476         while (latch_val) {
477                 int_bit = __ffs(latch_val);
478                 line = (i << 3) + int_bit;
479                 latch_val &= ~(1 << int_bit);
480 
481                 /*
482                  * This handles the falling edge hwirqs from the GPIO
483                  * lines. Route them back to the line registered for the
484                  * rising IRQ, as this is merely a flag for the same IRQ
485                  * in linux terms.
486                  */
487                 if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F)
488                         line -= 16;
489                 if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F)
490                         line -= 8;
491                 if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
492                         line += 1;
493 
494                 handle_nested_irq(irq_create_mapping(ab8500->domain, line));
495         }
496 
497         return 0;
498 }
499 
500 static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500,
501                                         int hier_offset, u8 hier_val)
502 {
503         int latch_bit, status;
504         u8 latch_offset, latch_val;
505 
506         do {
507                 latch_bit = __ffs(hier_val);
508                 latch_offset = (hier_offset << 3) + latch_bit;
509 
510                 update_latch_offset(&latch_offset, hier_offset);
511 
512                 status = get_register_interruptible(ab8500,
513                                 AB8500_INTERRUPT,
514                                 AB8500_IT_LATCH1_REG + latch_offset,
515                                 &latch_val);
516                 if (status < 0 || latch_val == 0)
517                         goto discard;
518 
519                 status = ab8500_handle_hierarchical_line(ab8500,
520                                 latch_offset, latch_val);
521                 if (status < 0)
522                         return status;
523 discard:
524                 hier_val &= ~(1 << latch_bit);
525         } while (hier_val);
526 
527         return 0;
528 }
529 
530 static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
531 {
532         struct ab8500 *ab8500 = dev;
533         u8 i;
534 
535         dev_vdbg(ab8500->dev, "interrupt\n");
536 
537         /*  Hierarchical interrupt version */
538         for (i = 0; i < (ab8500->it_latchhier_num); i++) {
539                 int status;
540                 u8 hier_val;
541 
542                 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
543                         AB8500_IT_LATCHHIER1_REG + i, &hier_val);
544                 if (status < 0 || hier_val == 0)
545                         continue;
546 
547                 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val);
548                 if (status < 0)
549                         break;
550         }
551         return IRQ_HANDLED;
552 }
553 
554 static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
555                                 irq_hw_number_t hwirq)
556 {
557         struct ab8500 *ab8500 = d->host_data;
558 
559         if (!ab8500)
560                 return -EINVAL;
561 
562         irq_set_chip_data(virq, ab8500);
563         irq_set_chip_and_handler(virq, &ab8500_irq_chip,
564                                 handle_simple_irq);
565         irq_set_nested_thread(virq, 1);
566 #ifdef CONFIG_ARM
567         set_irq_flags(virq, IRQF_VALID);
568 #else
569         irq_set_noprobe(virq);
570 #endif
571 
572         return 0;
573 }
574 
575 static struct irq_domain_ops ab8500_irq_ops = {
576         .map    = ab8500_irq_map,
577         .xlate  = irq_domain_xlate_twocell,
578 };
579 
580 static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
581 {
582         int num_irqs;
583 
584         if (is_ab8540(ab8500))
585                 num_irqs = AB8540_NR_IRQS;
586         else if (is_ab9540(ab8500))
587                 num_irqs = AB9540_NR_IRQS;
588         else if (is_ab8505(ab8500))
589                 num_irqs = AB8505_NR_IRQS;
590         else
591                 num_irqs = AB8500_NR_IRQS;
592 
593         /* If ->irq_base is zero this will give a linear mapping */
594         ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
595                         num_irqs, 0,
596                         &ab8500_irq_ops, ab8500);
597 
598         if (!ab8500->domain) {
599                 dev_err(ab8500->dev, "Failed to create irqdomain\n");
600                 return -ENOSYS;
601         }
602 
603         return 0;
604 }
605 
606 int ab8500_suspend(struct ab8500 *ab8500)
607 {
608         if (atomic_read(&ab8500->transfer_ongoing))
609                 return -EINVAL;
610         else
611                 return 0;
612 }
613 
614 static struct resource ab8500_gpadc_resources[] = {
615         {
616                 .name   = "HW_CONV_END",
617                 .start  = AB8500_INT_GP_HW_ADC_CONV_END,
618                 .end    = AB8500_INT_GP_HW_ADC_CONV_END,
619                 .flags  = IORESOURCE_IRQ,
620         },
621         {
622                 .name   = "SW_CONV_END",
623                 .start  = AB8500_INT_GP_SW_ADC_CONV_END,
624                 .end    = AB8500_INT_GP_SW_ADC_CONV_END,
625                 .flags  = IORESOURCE_IRQ,
626         },
627 };
628 
629 static struct resource ab8505_gpadc_resources[] = {
630         {
631                 .name   = "SW_CONV_END",
632                 .start  = AB8500_INT_GP_SW_ADC_CONV_END,
633                 .end    = AB8500_INT_GP_SW_ADC_CONV_END,
634                 .flags  = IORESOURCE_IRQ,
635         },
636 };
637 
638 static struct resource ab8500_rtc_resources[] = {
639         {
640                 .name   = "60S",
641                 .start  = AB8500_INT_RTC_60S,
642                 .end    = AB8500_INT_RTC_60S,
643                 .flags  = IORESOURCE_IRQ,
644         },
645         {
646                 .name   = "ALARM",
647                 .start  = AB8500_INT_RTC_ALARM,
648                 .end    = AB8500_INT_RTC_ALARM,
649                 .flags  = IORESOURCE_IRQ,
650         },
651 };
652 
653 static struct resource ab8540_rtc_resources[] = {
654         {
655                 .name   = "1S",
656                 .start  = AB8540_INT_RTC_1S,
657                 .end    = AB8540_INT_RTC_1S,
658                 .flags  = IORESOURCE_IRQ,
659         },
660         {
661                 .name   = "ALARM",
662                 .start  = AB8500_INT_RTC_ALARM,
663                 .end    = AB8500_INT_RTC_ALARM,
664                 .flags  = IORESOURCE_IRQ,
665         },
666 };
667 
668 static struct resource ab8500_poweronkey_db_resources[] = {
669         {
670                 .name   = "ONKEY_DBF",
671                 .start  = AB8500_INT_PON_KEY1DB_F,
672                 .end    = AB8500_INT_PON_KEY1DB_F,
673                 .flags  = IORESOURCE_IRQ,
674         },
675         {
676                 .name   = "ONKEY_DBR",
677                 .start  = AB8500_INT_PON_KEY1DB_R,
678                 .end    = AB8500_INT_PON_KEY1DB_R,
679                 .flags  = IORESOURCE_IRQ,
680         },
681 };
682 
683 static struct resource ab8500_av_acc_detect_resources[] = {
684         {
685                .name = "ACC_DETECT_1DB_F",
686                .start = AB8500_INT_ACC_DETECT_1DB_F,
687                .end = AB8500_INT_ACC_DETECT_1DB_F,
688                .flags = IORESOURCE_IRQ,
689         },
690         {
691                .name = "ACC_DETECT_1DB_R",
692                .start = AB8500_INT_ACC_DETECT_1DB_R,
693                .end = AB8500_INT_ACC_DETECT_1DB_R,
694                .flags = IORESOURCE_IRQ,
695         },
696         {
697                .name = "ACC_DETECT_21DB_F",
698                .start = AB8500_INT_ACC_DETECT_21DB_F,
699                .end = AB8500_INT_ACC_DETECT_21DB_F,
700                .flags = IORESOURCE_IRQ,
701         },
702         {
703                .name = "ACC_DETECT_21DB_R",
704                .start = AB8500_INT_ACC_DETECT_21DB_R,
705                .end = AB8500_INT_ACC_DETECT_21DB_R,
706                .flags = IORESOURCE_IRQ,
707         },
708         {
709                .name = "ACC_DETECT_22DB_F",
710                .start = AB8500_INT_ACC_DETECT_22DB_F,
711                .end = AB8500_INT_ACC_DETECT_22DB_F,
712                .flags = IORESOURCE_IRQ,
713         },
714         {
715                .name = "ACC_DETECT_22DB_R",
716                .start = AB8500_INT_ACC_DETECT_22DB_R,
717                .end = AB8500_INT_ACC_DETECT_22DB_R,
718                .flags = IORESOURCE_IRQ,
719         },
720 };
721 
722 static struct resource ab8500_charger_resources[] = {
723         {
724                 .name = "MAIN_CH_UNPLUG_DET",
725                 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
726                 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
727                 .flags = IORESOURCE_IRQ,
728         },
729         {
730                 .name = "MAIN_CHARGE_PLUG_DET",
731                 .start = AB8500_INT_MAIN_CH_PLUG_DET,
732                 .end = AB8500_INT_MAIN_CH_PLUG_DET,
733                 .flags = IORESOURCE_IRQ,
734         },
735         {
736                 .name = "VBUS_DET_R",
737                 .start = AB8500_INT_VBUS_DET_R,
738                 .end = AB8500_INT_VBUS_DET_R,
739                 .flags = IORESOURCE_IRQ,
740         },
741         {
742                 .name = "VBUS_DET_F",
743                 .start = AB8500_INT_VBUS_DET_F,
744                 .end = AB8500_INT_VBUS_DET_F,
745                 .flags = IORESOURCE_IRQ,
746         },
747         {
748                 .name = "USB_LINK_STATUS",
749                 .start = AB8500_INT_USB_LINK_STATUS,
750                 .end = AB8500_INT_USB_LINK_STATUS,
751                 .flags = IORESOURCE_IRQ,
752         },
753         {
754                 .name = "VBUS_OVV",
755                 .start = AB8500_INT_VBUS_OVV,
756                 .end = AB8500_INT_VBUS_OVV,
757                 .flags = IORESOURCE_IRQ,
758         },
759         {
760                 .name = "USB_CH_TH_PROT_R",
761                 .start = AB8500_INT_USB_CH_TH_PROT_R,
762                 .end = AB8500_INT_USB_CH_TH_PROT_R,
763                 .flags = IORESOURCE_IRQ,
764         },
765         {
766                 .name = "USB_CH_TH_PROT_F",
767                 .start = AB8500_INT_USB_CH_TH_PROT_F,
768                 .end = AB8500_INT_USB_CH_TH_PROT_F,
769                 .flags = IORESOURCE_IRQ,
770         },
771         {
772                 .name = "MAIN_EXT_CH_NOT_OK",
773                 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
774                 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
775                 .flags = IORESOURCE_IRQ,
776         },
777         {
778                 .name = "MAIN_CH_TH_PROT_R",
779                 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
780                 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
781                 .flags = IORESOURCE_IRQ,
782         },
783         {
784                 .name = "MAIN_CH_TH_PROT_F",
785                 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
786                 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
787                 .flags = IORESOURCE_IRQ,
788         },
789         {
790                 .name = "USB_CHARGER_NOT_OKR",
791                 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
792                 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
793                 .flags = IORESOURCE_IRQ,
794         },
795         {
796                 .name = "CH_WD_EXP",
797                 .start = AB8500_INT_CH_WD_EXP,
798                 .end = AB8500_INT_CH_WD_EXP,
799                 .flags = IORESOURCE_IRQ,
800         },
801         {
802                 .name = "VBUS_CH_DROP_END",
803                 .start = AB8500_INT_VBUS_CH_DROP_END,
804                 .end = AB8500_INT_VBUS_CH_DROP_END,
805                 .flags = IORESOURCE_IRQ,
806         },
807 };
808 
809 static struct resource ab8500_btemp_resources[] = {
810         {
811                 .name = "BAT_CTRL_INDB",
812                 .start = AB8500_INT_BAT_CTRL_INDB,
813                 .end = AB8500_INT_BAT_CTRL_INDB,
814                 .flags = IORESOURCE_IRQ,
815         },
816         {
817                 .name = "BTEMP_LOW",
818                 .start = AB8500_INT_BTEMP_LOW,
819                 .end = AB8500_INT_BTEMP_LOW,
820                 .flags = IORESOURCE_IRQ,
821         },
822         {
823                 .name = "BTEMP_HIGH",
824                 .start = AB8500_INT_BTEMP_HIGH,
825                 .end = AB8500_INT_BTEMP_HIGH,
826                 .flags = IORESOURCE_IRQ,
827         },
828         {
829                 .name = "BTEMP_LOW_MEDIUM",
830                 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
831                 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
832                 .flags = IORESOURCE_IRQ,
833         },
834         {
835                 .name = "BTEMP_MEDIUM_HIGH",
836                 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
837                 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
838                 .flags = IORESOURCE_IRQ,
839         },
840 };
841 
842 static struct resource ab8500_fg_resources[] = {
843         {
844                 .name = "NCONV_ACCU",
845                 .start = AB8500_INT_CCN_CONV_ACC,
846                 .end = AB8500_INT_CCN_CONV_ACC,
847                 .flags = IORESOURCE_IRQ,
848         },
849         {
850                 .name = "BATT_OVV",
851                 .start = AB8500_INT_BATT_OVV,
852                 .end = AB8500_INT_BATT_OVV,
853                 .flags = IORESOURCE_IRQ,
854         },
855         {
856                 .name = "LOW_BAT_F",
857                 .start = AB8500_INT_LOW_BAT_F,
858                 .end = AB8500_INT_LOW_BAT_F,
859                 .flags = IORESOURCE_IRQ,
860         },
861         {
862                 .name = "LOW_BAT_R",
863                 .start = AB8500_INT_LOW_BAT_R,
864                 .end = AB8500_INT_LOW_BAT_R,
865                 .flags = IORESOURCE_IRQ,
866         },
867         {
868                 .name = "CC_INT_CALIB",
869                 .start = AB8500_INT_CC_INT_CALIB,
870                 .end = AB8500_INT_CC_INT_CALIB,
871                 .flags = IORESOURCE_IRQ,
872         },
873         {
874                 .name = "CCEOC",
875                 .start = AB8500_INT_CCEOC,
876                 .end = AB8500_INT_CCEOC,
877                 .flags = IORESOURCE_IRQ,
878         },
879 };
880 
881 static struct resource ab8500_chargalg_resources[] = {};
882 
883 #ifdef CONFIG_DEBUG_FS
884 static struct resource ab8500_debug_resources[] = {
885         {
886                 .name   = "IRQ_AB8500",
887                 /*
888                  * Number will be filled in. NOTE: this is deliberately
889                  * not flagged as an IRQ in ordet to avoid remapping using
890                  * the irqdomain in the MFD core, so that this IRQ passes
891                  * unremapped to the debug code.
892                  */
893         },
894         {
895                 .name   = "IRQ_FIRST",
896                 .start  = AB8500_INT_MAIN_EXT_CH_NOT_OK,
897                 .end    = AB8500_INT_MAIN_EXT_CH_NOT_OK,
898                 .flags  = IORESOURCE_IRQ,
899         },
900         {
901                 .name   = "IRQ_LAST",
902                 .start  = AB8500_INT_XTAL32K_KO,
903                 .end    = AB8500_INT_XTAL32K_KO,
904                 .flags  = IORESOURCE_IRQ,
905         },
906 };
907 #endif
908 
909 static struct resource ab8500_usb_resources[] = {
910         {
911                 .name = "ID_WAKEUP_R",
912                 .start = AB8500_INT_ID_WAKEUP_R,
913                 .end = AB8500_INT_ID_WAKEUP_R,
914                 .flags = IORESOURCE_IRQ,
915         },
916         {
917                 .name = "ID_WAKEUP_F",
918                 .start = AB8500_INT_ID_WAKEUP_F,
919                 .end = AB8500_INT_ID_WAKEUP_F,
920                 .flags = IORESOURCE_IRQ,
921         },
922         {
923                 .name = "VBUS_DET_F",
924                 .start = AB8500_INT_VBUS_DET_F,
925                 .end = AB8500_INT_VBUS_DET_F,
926                 .flags = IORESOURCE_IRQ,
927         },
928         {
929                 .name = "VBUS_DET_R",
930                 .start = AB8500_INT_VBUS_DET_R,
931                 .end = AB8500_INT_VBUS_DET_R,
932                 .flags = IORESOURCE_IRQ,
933         },
934         {
935                 .name = "USB_LINK_STATUS",
936                 .start = AB8500_INT_USB_LINK_STATUS,
937                 .end = AB8500_INT_USB_LINK_STATUS,
938                 .flags = IORESOURCE_IRQ,
939         },
940         {
941                 .name = "USB_ADP_PROBE_PLUG",
942                 .start = AB8500_INT_ADP_PROBE_PLUG,
943                 .end = AB8500_INT_ADP_PROBE_PLUG,
944                 .flags = IORESOURCE_IRQ,
945         },
946         {
947                 .name = "USB_ADP_PROBE_UNPLUG",
948                 .start = AB8500_INT_ADP_PROBE_UNPLUG,
949                 .end = AB8500_INT_ADP_PROBE_UNPLUG,
950                 .flags = IORESOURCE_IRQ,
951         },
952 };
953 
954 static struct resource ab8505_iddet_resources[] = {
955         {
956                 .name  = "KeyDeglitch",
957                 .start = AB8505_INT_KEYDEGLITCH,
958                 .end   = AB8505_INT_KEYDEGLITCH,
959                 .flags = IORESOURCE_IRQ,
960         },
961         {
962                 .name  = "KP",
963                 .start = AB8505_INT_KP,
964                 .end   = AB8505_INT_KP,
965                 .flags = IORESOURCE_IRQ,
966         },
967         {
968                 .name  = "IKP",
969                 .start = AB8505_INT_IKP,
970                 .end   = AB8505_INT_IKP,
971                 .flags = IORESOURCE_IRQ,
972         },
973         {
974                 .name  = "IKR",
975                 .start = AB8505_INT_IKR,
976                 .end   = AB8505_INT_IKR,
977                 .flags = IORESOURCE_IRQ,
978         },
979         {
980                 .name  = "KeyStuck",
981                 .start = AB8505_INT_KEYSTUCK,
982                 .end   = AB8505_INT_KEYSTUCK,
983                 .flags = IORESOURCE_IRQ,
984         },
985         {
986                 .name = "VBUS_DET_R",
987                 .start = AB8500_INT_VBUS_DET_R,
988                 .end = AB8500_INT_VBUS_DET_R,
989                 .flags = IORESOURCE_IRQ,
990         },
991         {
992                 .name = "VBUS_DET_F",
993                 .start = AB8500_INT_VBUS_DET_F,
994                 .end = AB8500_INT_VBUS_DET_F,
995                 .flags = IORESOURCE_IRQ,
996         },
997         {
998                 .name = "ID_DET_PLUGR",
999                 .start = AB8500_INT_ID_DET_PLUGR,
1000                 .end = AB8500_INT_ID_DET_PLUGR,
1001                 .flags = IORESOURCE_IRQ,
1002         },
1003         {
1004                 .name = "ID_DET_PLUGF",
1005                 .start = AB8500_INT_ID_DET_PLUGF,
1006                 .end = AB8500_INT_ID_DET_PLUGF,
1007                 .flags = IORESOURCE_IRQ,
1008         },
1009 };
1010 
1011 static struct resource ab8500_temp_resources[] = {
1012         {
1013                 .name  = "ABX500_TEMP_WARM",
1014                 .start = AB8500_INT_TEMP_WARM,
1015                 .end   = AB8500_INT_TEMP_WARM,
1016                 .flags = IORESOURCE_IRQ,
1017         },
1018 };
1019 
1020 static const struct mfd_cell ab8500_bm_devs[] = {
1021         {
1022                 .name = "ab8500-charger",
1023                 .of_compatible = "stericsson,ab8500-charger",
1024                 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1025                 .resources = ab8500_charger_resources,
1026                 .platform_data = &ab8500_bm_data,
1027                 .pdata_size = sizeof(ab8500_bm_data),
1028         },
1029         {
1030                 .name = "ab8500-btemp",
1031                 .of_compatible = "stericsson,ab8500-btemp",
1032                 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1033                 .resources = ab8500_btemp_resources,
1034                 .platform_data = &ab8500_bm_data,
1035                 .pdata_size = sizeof(ab8500_bm_data),
1036         },
1037         {
1038                 .name = "ab8500-fg",
1039                 .of_compatible = "stericsson,ab8500-fg",
1040                 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1041                 .resources = ab8500_fg_resources,
1042                 .platform_data = &ab8500_bm_data,
1043                 .pdata_size = sizeof(ab8500_bm_data),
1044         },
1045         {
1046                 .name = "ab8500-chargalg",
1047                 .of_compatible = "stericsson,ab8500-chargalg",
1048                 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1049                 .resources = ab8500_chargalg_resources,
1050                 .platform_data = &ab8500_bm_data,
1051                 .pdata_size = sizeof(ab8500_bm_data),
1052         },
1053 };
1054 
1055 static const struct mfd_cell ab8500_devs[] = {
1056 #ifdef CONFIG_DEBUG_FS
1057         {
1058                 .name = "ab8500-debug",
1059                 .of_compatible = "stericsson,ab8500-debug",
1060                 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1061                 .resources = ab8500_debug_resources,
1062         },
1063 #endif
1064         {
1065                 .name = "ab8500-sysctrl",
1066                 .of_compatible = "stericsson,ab8500-sysctrl",
1067         },
1068         {
1069                 .name = "ab8500-ext-regulator",
1070                 .of_compatible = "stericsson,ab8500-ext-regulator",
1071         },
1072         {
1073                 .name = "ab8500-regulator",
1074                 .of_compatible = "stericsson,ab8500-regulator",
1075         },
1076         {
1077                 .name = "abx500-clk",
1078                 .of_compatible = "stericsson,abx500-clk",
1079         },
1080         {
1081                 .name = "ab8500-gpadc",
1082                 .of_compatible = "stericsson,ab8500-gpadc",
1083                 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1084                 .resources = ab8500_gpadc_resources,
1085         },
1086         {
1087                 .name = "ab8500-rtc",
1088                 .of_compatible = "stericsson,ab8500-rtc",
1089                 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1090                 .resources = ab8500_rtc_resources,
1091         },
1092         {
1093                 .name = "ab8500-acc-det",
1094                 .of_compatible = "stericsson,ab8500-acc-det",
1095                 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1096                 .resources = ab8500_av_acc_detect_resources,
1097         },
1098         {
1099 
1100                 .name = "ab8500-poweron-key",
1101                 .of_compatible = "stericsson,ab8500-poweron-key",
1102                 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1103                 .resources = ab8500_poweronkey_db_resources,
1104         },
1105         {
1106                 .name = "ab8500-pwm",
1107                 .of_compatible = "stericsson,ab8500-pwm",
1108                 .id = 1,
1109         },
1110         {
1111                 .name = "ab8500-pwm",
1112                 .of_compatible = "stericsson,ab8500-pwm",
1113                 .id = 2,
1114         },
1115         {
1116                 .name = "ab8500-pwm",
1117                 .of_compatible = "stericsson,ab8500-pwm",
1118                 .id = 3,
1119         },
1120         {
1121                 .name = "ab8500-denc",
1122                 .of_compatible = "stericsson,ab8500-denc",
1123         },
1124         {
1125                 .name = "pinctrl-ab8500",
1126                 .of_compatible = "stericsson,ab8500-gpio",
1127         },
1128         {
1129                 .name = "abx500-temp",
1130                 .of_compatible = "stericsson,abx500-temp",
1131                 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1132                 .resources = ab8500_temp_resources,
1133         },
1134         {
1135                 .name = "ab8500-usb",
1136                 .of_compatible = "stericsson,ab8500-usb",
1137                 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1138                 .resources = ab8500_usb_resources,
1139         },
1140         {
1141                 .name = "ab8500-codec",
1142                 .of_compatible = "stericsson,ab8500-codec",
1143         },
1144 };
1145 
1146 static const struct mfd_cell ab9540_devs[] = {
1147 #ifdef CONFIG_DEBUG_FS
1148         {
1149                 .name = "ab8500-debug",
1150                 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1151                 .resources = ab8500_debug_resources,
1152         },
1153 #endif
1154         {
1155                 .name = "ab8500-sysctrl",
1156         },
1157         {
1158                 .name = "ab8500-ext-regulator",
1159         },
1160         {
1161                 .name = "ab8500-regulator",
1162         },
1163         {
1164                 .name = "abx500-clk",
1165                 .of_compatible = "stericsson,abx500-clk",
1166         },
1167         {
1168                 .name = "ab8500-gpadc",
1169                 .of_compatible = "stericsson,ab8500-gpadc",
1170                 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1171                 .resources = ab8500_gpadc_resources,
1172         },
1173         {
1174                 .name = "ab8500-rtc",
1175                 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1176                 .resources = ab8500_rtc_resources,
1177         },
1178         {
1179                 .name = "ab8500-acc-det",
1180                 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1181                 .resources = ab8500_av_acc_detect_resources,
1182         },
1183         {
1184                 .name = "ab8500-poweron-key",
1185                 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1186                 .resources = ab8500_poweronkey_db_resources,
1187         },
1188         {
1189                 .name = "ab8500-pwm",
1190                 .id = 1,
1191         },
1192         {
1193                 .name = "abx500-temp",
1194                 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1195                 .resources = ab8500_temp_resources,
1196         },
1197         {
1198                 .name = "pinctrl-ab9540",
1199                 .of_compatible = "stericsson,ab9540-gpio",
1200         },
1201         {
1202                 .name = "ab9540-usb",
1203                 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1204                 .resources = ab8500_usb_resources,
1205         },
1206         {
1207                 .name = "ab9540-codec",
1208         },
1209         {
1210                 .name = "ab-iddet",
1211                 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1212                 .resources = ab8505_iddet_resources,
1213         },
1214 };
1215 
1216 /* Device list for ab8505  */
1217 static const struct mfd_cell ab8505_devs[] = {
1218 #ifdef CONFIG_DEBUG_FS
1219         {
1220                 .name = "ab8500-debug",
1221                 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1222                 .resources = ab8500_debug_resources,
1223         },
1224 #endif
1225         {
1226                 .name = "ab8500-sysctrl",
1227         },
1228         {
1229                 .name = "ab8500-regulator",
1230         },
1231         {
1232                 .name = "abx500-clk",
1233                 .of_compatible = "stericsson,abx500-clk",
1234         },
1235         {
1236                 .name = "ab8500-gpadc",
1237                 .of_compatible = "stericsson,ab8500-gpadc",
1238                 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1239                 .resources = ab8505_gpadc_resources,
1240         },
1241         {
1242                 .name = "ab8500-rtc",
1243                 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1244                 .resources = ab8500_rtc_resources,
1245         },
1246         {
1247                 .name = "ab8500-acc-det",
1248                 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1249                 .resources = ab8500_av_acc_detect_resources,
1250         },
1251         {
1252                 .name = "ab8500-poweron-key",
1253                 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1254                 .resources = ab8500_poweronkey_db_resources,
1255         },
1256         {
1257                 .name = "ab8500-pwm",
1258                 .id = 1,
1259         },
1260         {
1261                 .name = "pinctrl-ab8505",
1262         },
1263         {
1264                 .name = "ab8500-usb",
1265                 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1266                 .resources = ab8500_usb_resources,
1267         },
1268         {
1269                 .name = "ab8500-codec",
1270         },
1271         {
1272                 .name = "ab-iddet",
1273                 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1274                 .resources = ab8505_iddet_resources,
1275         },
1276 };
1277 
1278 static const struct mfd_cell ab8540_devs[] = {
1279 #ifdef CONFIG_DEBUG_FS
1280         {
1281                 .name = "ab8500-debug",
1282                 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1283                 .resources = ab8500_debug_resources,
1284         },
1285 #endif
1286         {
1287                 .name = "ab8500-sysctrl",
1288         },
1289         {
1290                 .name = "ab8500-ext-regulator",
1291         },
1292         {
1293                 .name = "ab8500-regulator",
1294         },
1295         {
1296                 .name = "abx500-clk",
1297                 .of_compatible = "stericsson,abx500-clk",
1298         },
1299         {
1300                 .name = "ab8500-gpadc",
1301                 .of_compatible = "stericsson,ab8500-gpadc",
1302                 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1303                 .resources = ab8505_gpadc_resources,
1304         },
1305         {
1306                 .name = "ab8500-acc-det",
1307                 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1308                 .resources = ab8500_av_acc_detect_resources,
1309         },
1310         {
1311                 .name = "ab8500-poweron-key",
1312                 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1313                 .resources = ab8500_poweronkey_db_resources,
1314         },
1315         {
1316                 .name = "ab8500-pwm",
1317                 .id = 1,
1318         },
1319         {
1320                 .name = "abx500-temp",
1321                 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1322                 .resources = ab8500_temp_resources,
1323         },
1324         {
1325                 .name = "pinctrl-ab8540",
1326         },
1327         {
1328                 .name = "ab8540-usb",
1329                 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1330                 .resources = ab8500_usb_resources,
1331         },
1332         {
1333                 .name = "ab8540-codec",
1334         },
1335         {
1336                 .name = "ab-iddet",
1337                 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1338                 .resources = ab8505_iddet_resources,
1339         },
1340 };
1341 
1342 static const struct mfd_cell ab8540_cut1_devs[] = {
1343         {
1344                 .name = "ab8500-rtc",
1345                 .of_compatible = "stericsson,ab8500-rtc",
1346                 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1347                 .resources = ab8500_rtc_resources,
1348         },
1349 };
1350 
1351 static const struct mfd_cell ab8540_cut2_devs[] = {
1352         {
1353                 .name = "ab8540-rtc",
1354                 .of_compatible = "stericsson,ab8540-rtc",
1355                 .num_resources = ARRAY_SIZE(ab8540_rtc_resources),
1356                 .resources = ab8540_rtc_resources,
1357         },
1358 };
1359 
1360 static ssize_t show_chip_id(struct device *dev,
1361                                 struct device_attribute *attr, char *buf)
1362 {
1363         struct ab8500 *ab8500;
1364 
1365         ab8500 = dev_get_drvdata(dev);
1366 
1367         return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1368 }
1369 
1370 /*
1371  * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1372  * 0x01 Swoff bit programming
1373  * 0x02 Thermal protection activation
1374  * 0x04 Vbat lower then BattOk falling threshold
1375  * 0x08 Watchdog expired
1376  * 0x10 Non presence of 32kHz clock
1377  * 0x20 Battery level lower than power on reset threshold
1378  * 0x40 Power on key 1 pressed longer than 10 seconds
1379  * 0x80 DB8500 thermal shutdown
1380  */
1381 static ssize_t show_switch_off_status(struct device *dev,
1382                                 struct device_attribute *attr, char *buf)
1383 {
1384         int ret;
1385         u8 value;
1386         struct ab8500 *ab8500;
1387 
1388         ab8500 = dev_get_drvdata(dev);
1389         ret = get_register_interruptible(ab8500, AB8500_RTC,
1390                 AB8500_SWITCH_OFF_STATUS, &value);
1391         if (ret < 0)
1392                 return ret;
1393         return sprintf(buf, "%#x\n", value);
1394 }
1395 
1396 /* use mask and set to override the register turn_on_stat value */
1397 void ab8500_override_turn_on_stat(u8 mask, u8 set)
1398 {
1399         spin_lock(&on_stat_lock);
1400         turn_on_stat_mask = mask;
1401         turn_on_stat_set = set;
1402         spin_unlock(&on_stat_lock);
1403 }
1404 
1405 /*
1406  * ab8500 has turned on due to (TURN_ON_STATUS):
1407  * 0x01 PORnVbat
1408  * 0x02 PonKey1dbF
1409  * 0x04 PonKey2dbF
1410  * 0x08 RTCAlarm
1411  * 0x10 MainChDet
1412  * 0x20 VbusDet
1413  * 0x40 UsbIDDetect
1414  * 0x80 Reserved
1415  */
1416 static ssize_t show_turn_on_status(struct device *dev,
1417                                 struct device_attribute *attr, char *buf)
1418 {
1419         int ret;
1420         u8 value;
1421         struct ab8500 *ab8500;
1422 
1423         ab8500 = dev_get_drvdata(dev);
1424         ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1425                 AB8500_TURN_ON_STATUS, &value);
1426         if (ret < 0)
1427                 return ret;
1428 
1429         /*
1430          * In L9540, turn_on_status register is not updated correctly if
1431          * the device is rebooted with AC/USB charger connected. Due to
1432          * this, the device boots android instead of entering into charge
1433          * only mode. Read the AC/USB status register to detect the charger
1434          * presence and update the turn on status manually.
1435          */
1436         if (is_ab9540(ab8500)) {
1437                 spin_lock(&on_stat_lock);
1438                 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1439                 spin_unlock(&on_stat_lock);
1440         }
1441 
1442         return sprintf(buf, "%#x\n", value);
1443 }
1444 
1445 static ssize_t show_turn_on_status_2(struct device *dev,
1446                                 struct device_attribute *attr, char *buf)
1447 {
1448         int ret;
1449         u8 value;
1450         struct ab8500 *ab8500;
1451 
1452         ab8500 = dev_get_drvdata(dev);
1453         ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1454                 AB8505_TURN_ON_STATUS_2, &value);
1455         if (ret < 0)
1456                 return ret;
1457         return sprintf(buf, "%#x\n", (value & 0x1));
1458 }
1459 
1460 static ssize_t show_ab9540_dbbrstn(struct device *dev,
1461                                 struct device_attribute *attr, char *buf)
1462 {
1463         struct ab8500 *ab8500;
1464         int ret;
1465         u8 value;
1466 
1467         ab8500 = dev_get_drvdata(dev);
1468 
1469         ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1470                 AB9540_MODEM_CTRL2_REG, &value);
1471         if (ret < 0)
1472                 return ret;
1473 
1474         return sprintf(buf, "%d\n",
1475                         (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1476 }
1477 
1478 static ssize_t store_ab9540_dbbrstn(struct device *dev,
1479         struct device_attribute *attr, const char *buf, size_t count)
1480 {
1481         struct ab8500 *ab8500;
1482         int ret = count;
1483         int err;
1484         u8 bitvalues;
1485 
1486         ab8500 = dev_get_drvdata(dev);
1487 
1488         if (count > 0) {
1489                 switch (buf[0]) {
1490                 case '':
1491                         bitvalues = 0;
1492                         break;
1493                 case '1':
1494                         bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1495                         break;
1496                 default:
1497                         goto exit;
1498                 }
1499 
1500                 err = mask_and_set_register_interruptible(ab8500,
1501                         AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1502                         AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1503                 if (err)
1504                         dev_info(ab8500->dev,
1505                                 "Failed to set DBBRSTN %c, err %#x\n",
1506                                 buf[0], err);
1507         }
1508 
1509 exit:
1510         return ret;
1511 }
1512 
1513 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
1514 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
1515 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
1516 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
1517 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1518                         show_ab9540_dbbrstn, store_ab9540_dbbrstn);
1519 
1520 static struct attribute *ab8500_sysfs_entries[] = {
1521         &dev_attr_chip_id.attr,
1522         &dev_attr_switch_off_status.attr,
1523         &dev_attr_turn_on_status.attr,
1524         NULL,
1525 };
1526 
1527 static struct attribute *ab8505_sysfs_entries[] = {
1528         &dev_attr_turn_on_status_2.attr,
1529         NULL,
1530 };
1531 
1532 static struct attribute *ab9540_sysfs_entries[] = {
1533         &dev_attr_chip_id.attr,
1534         &dev_attr_switch_off_status.attr,
1535         &dev_attr_turn_on_status.attr,
1536         &dev_attr_dbbrstn.attr,
1537         NULL,
1538 };
1539 
1540 static struct attribute_group ab8500_attr_group = {
1541         .attrs  = ab8500_sysfs_entries,
1542 };
1543 
1544 static struct attribute_group ab8505_attr_group = {
1545         .attrs  = ab8505_sysfs_entries,
1546 };
1547 
1548 static struct attribute_group ab9540_attr_group = {
1549         .attrs  = ab9540_sysfs_entries,
1550 };
1551 
1552 static int ab8500_probe(struct platform_device *pdev)
1553 {
1554         static char *switch_off_status[] = {
1555                 "Swoff bit programming",
1556                 "Thermal protection activation",
1557                 "Vbat lower then BattOk falling threshold",
1558                 "Watchdog expired",
1559                 "Non presence of 32kHz clock",
1560                 "Battery level lower than power on reset threshold",
1561                 "Power on key 1 pressed longer than 10 seconds",
1562                 "DB8500 thermal shutdown"};
1563         static char *turn_on_status[] = {
1564                 "Battery rising (Vbat)",
1565                 "Power On Key 1 dbF",
1566                 "Power On Key 2 dbF",
1567                 "RTC Alarm",
1568                 "Main Charger Detect",
1569                 "Vbus Detect (USB)",
1570                 "USB ID Detect",
1571                 "UART Factory Mode Detect"};
1572         struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1573         const struct platform_device_id *platid = platform_get_device_id(pdev);
1574         enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1575         struct device_node *np = pdev->dev.of_node;
1576         struct ab8500 *ab8500;
1577         struct resource *resource;
1578         int ret;
1579         int i;
1580         u8 value;
1581 
1582         ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);
1583         if (!ab8500)
1584                 return -ENOMEM;
1585 
1586         ab8500->dev = &pdev->dev;
1587 
1588         resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1589         if (!resource) {
1590                 dev_err(&pdev->dev, "no IRQ resource\n");
1591                 return -ENODEV;
1592         }
1593 
1594         ab8500->irq = resource->start;
1595 
1596         ab8500->read = ab8500_prcmu_read;
1597         ab8500->write = ab8500_prcmu_write;
1598         ab8500->write_masked = ab8500_prcmu_write_masked;
1599 
1600         mutex_init(&ab8500->lock);
1601         mutex_init(&ab8500->irq_lock);
1602         atomic_set(&ab8500->transfer_ongoing, 0);
1603 
1604         platform_set_drvdata(pdev, ab8500);
1605 
1606         if (platid)
1607                 version = platid->driver_data;
1608 
1609         if (version != AB8500_VERSION_UNDEFINED)
1610                 ab8500->version = version;
1611         else {
1612                 ret = get_register_interruptible(ab8500, AB8500_MISC,
1613                         AB8500_IC_NAME_REG, &value);
1614                 if (ret < 0) {
1615                         dev_err(&pdev->dev, "could not probe HW\n");
1616                         return ret;
1617                 }
1618 
1619                 ab8500->version = value;
1620         }
1621 
1622         ret = get_register_interruptible(ab8500, AB8500_MISC,
1623                 AB8500_REV_REG, &value);
1624         if (ret < 0)
1625                 return ret;
1626 
1627         ab8500->chip_id = value;
1628 
1629         dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1630                         ab8500_version_str[ab8500->version],
1631                         ab8500->chip_id >> 4,
1632                         ab8500->chip_id & 0x0F);
1633 
1634         /* Configure AB8540 */
1635         if (is_ab8540(ab8500)) {
1636                 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1637                 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1638                 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
1639         }/* Configure AB8500 or AB9540 IRQ */
1640         else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
1641                 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1642                 ab8500->irq_reg_offset = ab9540_irq_regoffset;
1643                 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1644         } else {
1645                 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1646                 ab8500->irq_reg_offset = ab8500_irq_regoffset;
1647                 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1648         }
1649         ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1650         if (!ab8500->mask)
1651                 return -ENOMEM;
1652         ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1653         if (!ab8500->oldmask)
1654                 return -ENOMEM;
1655 
1656         /*
1657          * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1658          * 0x01 Swoff bit programming
1659          * 0x02 Thermal protection activation
1660          * 0x04 Vbat lower then BattOk falling threshold
1661          * 0x08 Watchdog expired
1662          * 0x10 Non presence of 32kHz clock
1663          * 0x20 Battery level lower than power on reset threshold
1664          * 0x40 Power on key 1 pressed longer than 10 seconds
1665          * 0x80 DB8500 thermal shutdown
1666          */
1667 
1668         ret = get_register_interruptible(ab8500, AB8500_RTC,
1669                 AB8500_SWITCH_OFF_STATUS, &value);
1670         if (ret < 0)
1671                 return ret;
1672         dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1673 
1674         if (value) {
1675                 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1676                         if (value & 1)
1677                                 printk(KERN_CONT " \"%s\"",
1678                                        switch_off_status[i]);
1679                         value = value >> 1;
1680 
1681                 }
1682                 printk(KERN_CONT "\n");
1683         } else {
1684                 printk(KERN_CONT " None\n");
1685         }
1686         ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1687                 AB8500_TURN_ON_STATUS, &value);
1688         if (ret < 0)
1689                 return ret;
1690         dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1691 
1692         if (value) {
1693                 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1694                         if (value & 1)
1695                                 printk("\"%s\" ", turn_on_status[i]);
1696                         value = value >> 1;
1697                 }
1698                 printk("\n");
1699         } else {
1700                 printk("None\n");
1701         }
1702 
1703         if (plat && plat->init)
1704                 plat->init(ab8500);
1705 
1706         if (is_ab9540(ab8500)) {
1707                 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1708                         AB8500_CH_USBCH_STAT1_REG, &value);
1709                 if (ret < 0)
1710                         return ret;
1711                 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1712                         ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1713                                                      AB8500_VBUS_DET);
1714         }
1715 
1716         /* Clear and mask all interrupts */
1717         for (i = 0; i < ab8500->mask_size; i++) {
1718                 /*
1719                  * Interrupt register 12 doesn't exist prior to AB8500 version
1720                  * 2.0
1721                  */
1722                 if (ab8500->irq_reg_offset[i] == 11 &&
1723                                 is_ab8500_1p1_or_earlier(ab8500))
1724                         continue;
1725 
1726                 if (ab8500->irq_reg_offset[i] < 0)
1727                         continue;
1728 
1729                 get_register_interruptible(ab8500, AB8500_INTERRUPT,
1730                         AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
1731                         &value);
1732                 set_register_interruptible(ab8500, AB8500_INTERRUPT,
1733                         AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
1734         }
1735 
1736         ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1737         if (ret)
1738                 return ret;
1739 
1740         for (i = 0; i < ab8500->mask_size; i++)
1741                 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1742 
1743         ret = ab8500_irq_init(ab8500, np);
1744         if (ret)
1745                 return ret;
1746 
1747         ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1748                         ab8500_hierarchical_irq,
1749                         IRQF_ONESHOT | IRQF_NO_SUSPEND,
1750                         "ab8500", ab8500);
1751         if (ret)
1752                 return ret;
1753 
1754 #if CONFIG_DEBUG_FS
1755         /* Pass to debugfs */
1756         ab8500_debug_resources[0].start = ab8500->irq;
1757         ab8500_debug_resources[0].end = ab8500->irq;
1758 #endif
1759 
1760         if (is_ab9540(ab8500))
1761                 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1762                                 ARRAY_SIZE(ab9540_devs), NULL,
1763                                 0, ab8500->domain);
1764         else if (is_ab8540(ab8500)) {
1765                 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1766                               ARRAY_SIZE(ab8540_devs), NULL,
1767                               0, ab8500->domain);
1768                 if (ret)
1769                         return ret;
1770 
1771                 if (is_ab8540_1p2_or_earlier(ab8500))
1772                         ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
1773                               ARRAY_SIZE(ab8540_cut1_devs), NULL,
1774                               0, ab8500->domain);
1775                 else /* ab8540 >= cut2 */
1776                         ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
1777                               ARRAY_SIZE(ab8540_cut2_devs), NULL,
1778                               0, ab8500->domain);
1779         } else if (is_ab8505(ab8500))
1780                 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1781                               ARRAY_SIZE(ab8505_devs), NULL,
1782                               0, ab8500->domain);
1783         else
1784                 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1785                                 ARRAY_SIZE(ab8500_devs), NULL,
1786                                 0, ab8500->domain);
1787         if (ret)
1788                 return ret;
1789 
1790         if (!no_bm) {
1791                 /* Add battery management devices */
1792                 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1793                                       ARRAY_SIZE(ab8500_bm_devs), NULL,
1794                                       0, ab8500->domain);
1795                 if (ret)
1796                         dev_err(ab8500->dev, "error adding bm devices\n");
1797         }
1798 
1799         if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1800                         ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1801                 ret = sysfs_create_group(&ab8500->dev->kobj,
1802                                         &ab9540_attr_group);
1803         else
1804                 ret = sysfs_create_group(&ab8500->dev->kobj,
1805                                         &ab8500_attr_group);
1806 
1807         if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1808                         ab8500->chip_id >= AB8500_CUT2P0)
1809                 ret = sysfs_create_group(&ab8500->dev->kobj,
1810                                          &ab8505_attr_group);
1811 
1812         if (ret)
1813                 dev_err(ab8500->dev, "error creating sysfs entries\n");
1814 
1815         return ret;
1816 }
1817 
1818 static int ab8500_remove(struct platform_device *pdev)
1819 {
1820         struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1821 
1822         if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1823                         ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1824                 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1825         else
1826                 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
1827 
1828         if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1829                         ab8500->chip_id >= AB8500_CUT2P0)
1830                 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1831 
1832         mfd_remove_devices(ab8500->dev);
1833 
1834         return 0;
1835 }
1836 
1837 static const struct platform_device_id ab8500_id[] = {
1838         { "ab8500-core", AB8500_VERSION_AB8500 },
1839         { "ab8505-i2c", AB8500_VERSION_AB8505 },
1840         { "ab9540-i2c", AB8500_VERSION_AB9540 },
1841         { "ab8540-i2c", AB8500_VERSION_AB8540 },
1842         { }
1843 };
1844 
1845 static struct platform_driver ab8500_core_driver = {
1846         .driver = {
1847                 .name = "ab8500-core",
1848                 .owner = THIS_MODULE,
1849         },
1850         .probe  = ab8500_probe,
1851         .remove = ab8500_remove,
1852         .id_table = ab8500_id,
1853 };
1854 
1855 static int __init ab8500_core_init(void)
1856 {
1857         return platform_driver_register(&ab8500_core_driver);
1858 }
1859 
1860 static void __exit ab8500_core_exit(void)
1861 {
1862         platform_driver_unregister(&ab8500_core_driver);
1863 }
1864 core_initcall(ab8500_core_init);
1865 module_exit(ab8500_core_exit);
1866 
1867 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
1868 MODULE_DESCRIPTION("AB8500 MFD core");
1869 MODULE_LICENSE("GPL v2");
1870 

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