Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / 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(ab8500->irq_base + 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(NULL,
595 num_irqs, ab8500->irq_base,
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 ab8500_poweronkey_db_resources[] = {
654 {
655 .name = "ONKEY_DBF",
656 .start = AB8500_INT_PON_KEY1DB_F,
657 .end = AB8500_INT_PON_KEY1DB_F,
658 .flags = IORESOURCE_IRQ,
659 },
660 {
661 .name = "ONKEY_DBR",
662 .start = AB8500_INT_PON_KEY1DB_R,
663 .end = AB8500_INT_PON_KEY1DB_R,
664 .flags = IORESOURCE_IRQ,
665 },
666 };
667
668 static struct resource ab8500_av_acc_detect_resources[] = {
669 {
670 .name = "ACC_DETECT_1DB_F",
671 .start = AB8500_INT_ACC_DETECT_1DB_F,
672 .end = AB8500_INT_ACC_DETECT_1DB_F,
673 .flags = IORESOURCE_IRQ,
674 },
675 {
676 .name = "ACC_DETECT_1DB_R",
677 .start = AB8500_INT_ACC_DETECT_1DB_R,
678 .end = AB8500_INT_ACC_DETECT_1DB_R,
679 .flags = IORESOURCE_IRQ,
680 },
681 {
682 .name = "ACC_DETECT_21DB_F",
683 .start = AB8500_INT_ACC_DETECT_21DB_F,
684 .end = AB8500_INT_ACC_DETECT_21DB_F,
685 .flags = IORESOURCE_IRQ,
686 },
687 {
688 .name = "ACC_DETECT_21DB_R",
689 .start = AB8500_INT_ACC_DETECT_21DB_R,
690 .end = AB8500_INT_ACC_DETECT_21DB_R,
691 .flags = IORESOURCE_IRQ,
692 },
693 {
694 .name = "ACC_DETECT_22DB_F",
695 .start = AB8500_INT_ACC_DETECT_22DB_F,
696 .end = AB8500_INT_ACC_DETECT_22DB_F,
697 .flags = IORESOURCE_IRQ,
698 },
699 {
700 .name = "ACC_DETECT_22DB_R",
701 .start = AB8500_INT_ACC_DETECT_22DB_R,
702 .end = AB8500_INT_ACC_DETECT_22DB_R,
703 .flags = IORESOURCE_IRQ,
704 },
705 };
706
707 static struct resource ab8500_charger_resources[] = {
708 {
709 .name = "MAIN_CH_UNPLUG_DET",
710 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
711 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
712 .flags = IORESOURCE_IRQ,
713 },
714 {
715 .name = "MAIN_CHARGE_PLUG_DET",
716 .start = AB8500_INT_MAIN_CH_PLUG_DET,
717 .end = AB8500_INT_MAIN_CH_PLUG_DET,
718 .flags = IORESOURCE_IRQ,
719 },
720 {
721 .name = "VBUS_DET_R",
722 .start = AB8500_INT_VBUS_DET_R,
723 .end = AB8500_INT_VBUS_DET_R,
724 .flags = IORESOURCE_IRQ,
725 },
726 {
727 .name = "VBUS_DET_F",
728 .start = AB8500_INT_VBUS_DET_F,
729 .end = AB8500_INT_VBUS_DET_F,
730 .flags = IORESOURCE_IRQ,
731 },
732 {
733 .name = "USB_LINK_STATUS",
734 .start = AB8500_INT_USB_LINK_STATUS,
735 .end = AB8500_INT_USB_LINK_STATUS,
736 .flags = IORESOURCE_IRQ,
737 },
738 {
739 .name = "VBUS_OVV",
740 .start = AB8500_INT_VBUS_OVV,
741 .end = AB8500_INT_VBUS_OVV,
742 .flags = IORESOURCE_IRQ,
743 },
744 {
745 .name = "USB_CH_TH_PROT_R",
746 .start = AB8500_INT_USB_CH_TH_PROT_R,
747 .end = AB8500_INT_USB_CH_TH_PROT_R,
748 .flags = IORESOURCE_IRQ,
749 },
750 {
751 .name = "USB_CH_TH_PROT_F",
752 .start = AB8500_INT_USB_CH_TH_PROT_F,
753 .end = AB8500_INT_USB_CH_TH_PROT_F,
754 .flags = IORESOURCE_IRQ,
755 },
756 {
757 .name = "MAIN_EXT_CH_NOT_OK",
758 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
759 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
760 .flags = IORESOURCE_IRQ,
761 },
762 {
763 .name = "MAIN_CH_TH_PROT_R",
764 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
765 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
766 .flags = IORESOURCE_IRQ,
767 },
768 {
769 .name = "MAIN_CH_TH_PROT_F",
770 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
771 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
772 .flags = IORESOURCE_IRQ,
773 },
774 {
775 .name = "USB_CHARGER_NOT_OKR",
776 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
777 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
778 .flags = IORESOURCE_IRQ,
779 },
780 {
781 .name = "CH_WD_EXP",
782 .start = AB8500_INT_CH_WD_EXP,
783 .end = AB8500_INT_CH_WD_EXP,
784 .flags = IORESOURCE_IRQ,
785 },
786 {
787 .name = "VBUS_CH_DROP_END",
788 .start = AB8500_INT_VBUS_CH_DROP_END,
789 .end = AB8500_INT_VBUS_CH_DROP_END,
790 .flags = IORESOURCE_IRQ,
791 },
792 };
793
794 static struct resource ab8500_btemp_resources[] = {
795 {
796 .name = "BAT_CTRL_INDB",
797 .start = AB8500_INT_BAT_CTRL_INDB,
798 .end = AB8500_INT_BAT_CTRL_INDB,
799 .flags = IORESOURCE_IRQ,
800 },
801 {
802 .name = "BTEMP_LOW",
803 .start = AB8500_INT_BTEMP_LOW,
804 .end = AB8500_INT_BTEMP_LOW,
805 .flags = IORESOURCE_IRQ,
806 },
807 {
808 .name = "BTEMP_HIGH",
809 .start = AB8500_INT_BTEMP_HIGH,
810 .end = AB8500_INT_BTEMP_HIGH,
811 .flags = IORESOURCE_IRQ,
812 },
813 {
814 .name = "BTEMP_LOW_MEDIUM",
815 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
816 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
817 .flags = IORESOURCE_IRQ,
818 },
819 {
820 .name = "BTEMP_MEDIUM_HIGH",
821 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
822 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
823 .flags = IORESOURCE_IRQ,
824 },
825 };
826
827 static struct resource ab8500_fg_resources[] = {
828 {
829 .name = "NCONV_ACCU",
830 .start = AB8500_INT_CCN_CONV_ACC,
831 .end = AB8500_INT_CCN_CONV_ACC,
832 .flags = IORESOURCE_IRQ,
833 },
834 {
835 .name = "BATT_OVV",
836 .start = AB8500_INT_BATT_OVV,
837 .end = AB8500_INT_BATT_OVV,
838 .flags = IORESOURCE_IRQ,
839 },
840 {
841 .name = "LOW_BAT_F",
842 .start = AB8500_INT_LOW_BAT_F,
843 .end = AB8500_INT_LOW_BAT_F,
844 .flags = IORESOURCE_IRQ,
845 },
846 {
847 .name = "LOW_BAT_R",
848 .start = AB8500_INT_LOW_BAT_R,
849 .end = AB8500_INT_LOW_BAT_R,
850 .flags = IORESOURCE_IRQ,
851 },
852 {
853 .name = "CC_INT_CALIB",
854 .start = AB8500_INT_CC_INT_CALIB,
855 .end = AB8500_INT_CC_INT_CALIB,
856 .flags = IORESOURCE_IRQ,
857 },
858 {
859 .name = "CCEOC",
860 .start = AB8500_INT_CCEOC,
861 .end = AB8500_INT_CCEOC,
862 .flags = IORESOURCE_IRQ,
863 },
864 };
865
866 static struct resource ab8500_chargalg_resources[] = {};
867
868 #ifdef CONFIG_DEBUG_FS
869 static struct resource ab8500_debug_resources[] = {
870 {
871 .name = "IRQ_FIRST",
872 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
873 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
874 .flags = IORESOURCE_IRQ,
875 },
876 {
877 .name = "IRQ_LAST",
878 .start = AB8500_INT_XTAL32K_KO,
879 .end = AB8500_INT_XTAL32K_KO,
880 .flags = IORESOURCE_IRQ,
881 },
882 };
883 #endif
884
885 static struct resource ab8500_usb_resources[] = {
886 {
887 .name = "ID_WAKEUP_R",
888 .start = AB8500_INT_ID_WAKEUP_R,
889 .end = AB8500_INT_ID_WAKEUP_R,
890 .flags = IORESOURCE_IRQ,
891 },
892 {
893 .name = "ID_WAKEUP_F",
894 .start = AB8500_INT_ID_WAKEUP_F,
895 .end = AB8500_INT_ID_WAKEUP_F,
896 .flags = IORESOURCE_IRQ,
897 },
898 {
899 .name = "VBUS_DET_F",
900 .start = AB8500_INT_VBUS_DET_F,
901 .end = AB8500_INT_VBUS_DET_F,
902 .flags = IORESOURCE_IRQ,
903 },
904 {
905 .name = "VBUS_DET_R",
906 .start = AB8500_INT_VBUS_DET_R,
907 .end = AB8500_INT_VBUS_DET_R,
908 .flags = IORESOURCE_IRQ,
909 },
910 {
911 .name = "USB_LINK_STATUS",
912 .start = AB8500_INT_USB_LINK_STATUS,
913 .end = AB8500_INT_USB_LINK_STATUS,
914 .flags = IORESOURCE_IRQ,
915 },
916 {
917 .name = "USB_ADP_PROBE_PLUG",
918 .start = AB8500_INT_ADP_PROBE_PLUG,
919 .end = AB8500_INT_ADP_PROBE_PLUG,
920 .flags = IORESOURCE_IRQ,
921 },
922 {
923 .name = "USB_ADP_PROBE_UNPLUG",
924 .start = AB8500_INT_ADP_PROBE_UNPLUG,
925 .end = AB8500_INT_ADP_PROBE_UNPLUG,
926 .flags = IORESOURCE_IRQ,
927 },
928 };
929
930 static struct resource ab8505_iddet_resources[] = {
931 {
932 .name = "KeyDeglitch",
933 .start = AB8505_INT_KEYDEGLITCH,
934 .end = AB8505_INT_KEYDEGLITCH,
935 .flags = IORESOURCE_IRQ,
936 },
937 {
938 .name = "KP",
939 .start = AB8505_INT_KP,
940 .end = AB8505_INT_KP,
941 .flags = IORESOURCE_IRQ,
942 },
943 {
944 .name = "IKP",
945 .start = AB8505_INT_IKP,
946 .end = AB8505_INT_IKP,
947 .flags = IORESOURCE_IRQ,
948 },
949 {
950 .name = "IKR",
951 .start = AB8505_INT_IKR,
952 .end = AB8505_INT_IKR,
953 .flags = IORESOURCE_IRQ,
954 },
955 {
956 .name = "KeyStuck",
957 .start = AB8505_INT_KEYSTUCK,
958 .end = AB8505_INT_KEYSTUCK,
959 .flags = IORESOURCE_IRQ,
960 },
961 {
962 .name = "VBUS_DET_R",
963 .start = AB8500_INT_VBUS_DET_R,
964 .end = AB8500_INT_VBUS_DET_R,
965 .flags = IORESOURCE_IRQ,
966 },
967 {
968 .name = "VBUS_DET_F",
969 .start = AB8500_INT_VBUS_DET_F,
970 .end = AB8500_INT_VBUS_DET_F,
971 .flags = IORESOURCE_IRQ,
972 },
973 {
974 .name = "ID_DET_PLUGR",
975 .start = AB8500_INT_ID_DET_PLUGR,
976 .end = AB8500_INT_ID_DET_PLUGR,
977 .flags = IORESOURCE_IRQ,
978 },
979 {
980 .name = "ID_DET_PLUGF",
981 .start = AB8500_INT_ID_DET_PLUGF,
982 .end = AB8500_INT_ID_DET_PLUGF,
983 .flags = IORESOURCE_IRQ,
984 },
985 };
986
987 static struct resource ab8500_temp_resources[] = {
988 {
989 .name = "ABX500_TEMP_WARM",
990 .start = AB8500_INT_TEMP_WARM,
991 .end = AB8500_INT_TEMP_WARM,
992 .flags = IORESOURCE_IRQ,
993 },
994 };
995
996 static struct mfd_cell ab8500_bm_devs[] = {
997 {
998 .name = "ab8500-charger",
999 .of_compatible = "stericsson,ab8500-charger",
1000 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1001 .resources = ab8500_charger_resources,
1002 .platform_data = &ab8500_bm_data,
1003 .pdata_size = sizeof(ab8500_bm_data),
1004 },
1005 {
1006 .name = "ab8500-btemp",
1007 .of_compatible = "stericsson,ab8500-btemp",
1008 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1009 .resources = ab8500_btemp_resources,
1010 .platform_data = &ab8500_bm_data,
1011 .pdata_size = sizeof(ab8500_bm_data),
1012 },
1013 {
1014 .name = "ab8500-fg",
1015 .of_compatible = "stericsson,ab8500-fg",
1016 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1017 .resources = ab8500_fg_resources,
1018 .platform_data = &ab8500_bm_data,
1019 .pdata_size = sizeof(ab8500_bm_data),
1020 },
1021 {
1022 .name = "ab8500-chargalg",
1023 .of_compatible = "stericsson,ab8500-chargalg",
1024 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1025 .resources = ab8500_chargalg_resources,
1026 .platform_data = &ab8500_bm_data,
1027 .pdata_size = sizeof(ab8500_bm_data),
1028 },
1029 };
1030
1031 static struct mfd_cell ab8500_devs[] = {
1032 #ifdef CONFIG_DEBUG_FS
1033 {
1034 .name = "ab8500-debug",
1035 .of_compatible = "stericsson,ab8500-debug",
1036 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1037 .resources = ab8500_debug_resources,
1038 },
1039 #endif
1040 {
1041 .name = "ab8500-sysctrl",
1042 .of_compatible = "stericsson,ab8500-sysctrl",
1043 },
1044 {
1045 .name = "ab8500-regulator",
1046 .of_compatible = "stericsson,ab8500-regulator",
1047 },
1048 {
1049 .name = "abx500-clk",
1050 .of_compatible = "stericsson,abx500-clk",
1051 },
1052 {
1053 .name = "ab8500-gpadc",
1054 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1055 .resources = ab8500_gpadc_resources,
1056 },
1057 {
1058 .name = "ab8500-rtc",
1059 .of_compatible = "stericsson,ab8500-rtc",
1060 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1061 .resources = ab8500_rtc_resources,
1062 },
1063 {
1064 .name = "ab8500-acc-det",
1065 .of_compatible = "stericsson,ab8500-acc-det",
1066 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1067 .resources = ab8500_av_acc_detect_resources,
1068 },
1069 {
1070
1071 .name = "ab8500-poweron-key",
1072 .of_compatible = "stericsson,ab8500-poweron-key",
1073 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1074 .resources = ab8500_poweronkey_db_resources,
1075 },
1076 {
1077 .name = "ab8500-pwm",
1078 .of_compatible = "stericsson,ab8500-pwm",
1079 .id = 1,
1080 },
1081 {
1082 .name = "ab8500-pwm",
1083 .of_compatible = "stericsson,ab8500-pwm",
1084 .id = 2,
1085 },
1086 {
1087 .name = "ab8500-pwm",
1088 .of_compatible = "stericsson,ab8500-pwm",
1089 .id = 3,
1090 },
1091 {
1092 .name = "ab8500-leds",
1093 .of_compatible = "stericsson,ab8500-leds",
1094 },
1095 {
1096 .name = "ab8500-denc",
1097 .of_compatible = "stericsson,ab8500-denc",
1098 },
1099 {
1100 .name = "ab8500-gpio",
1101 .of_compatible = "stericsson,ab8500-gpio",
1102 },
1103 {
1104 .name = "abx500-temp",
1105 .of_compatible = "stericsson,abx500-temp",
1106 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1107 .resources = ab8500_temp_resources,
1108 },
1109 {
1110 .name = "ab8500-usb",
1111 .of_compatible = "stericsson,ab8500-usb",
1112 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1113 .resources = ab8500_usb_resources,
1114 },
1115 {
1116 .name = "ab8500-codec",
1117 },
1118 };
1119
1120 static struct mfd_cell ab9540_devs[] = {
1121 #ifdef CONFIG_DEBUG_FS
1122 {
1123 .name = "ab8500-debug",
1124 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1125 .resources = ab8500_debug_resources,
1126 },
1127 #endif
1128 {
1129 .name = "ab8500-sysctrl",
1130 },
1131 {
1132 .name = "ab8500-regulator",
1133 },
1134 {
1135 .name = "abx500-clk",
1136 .of_compatible = "stericsson,abx500-clk",
1137 },
1138 {
1139 .name = "ab8500-gpadc",
1140 .of_compatible = "stericsson,ab8500-gpadc",
1141 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1142 .resources = ab8500_gpadc_resources,
1143 },
1144 {
1145 .name = "ab8500-rtc",
1146 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1147 .resources = ab8500_rtc_resources,
1148 },
1149 {
1150 .name = "ab8500-acc-det",
1151 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1152 .resources = ab8500_av_acc_detect_resources,
1153 },
1154 {
1155 .name = "ab8500-poweron-key",
1156 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1157 .resources = ab8500_poweronkey_db_resources,
1158 },
1159 {
1160 .name = "ab8500-pwm",
1161 .id = 1,
1162 },
1163 {
1164 .name = "ab8500-leds",
1165 },
1166 {
1167 .name = "abx500-temp",
1168 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1169 .resources = ab8500_temp_resources,
1170 },
1171 {
1172 .name = "pinctrl-ab9540",
1173 .of_compatible = "stericsson,ab9540-gpio",
1174 },
1175 {
1176 .name = "ab9540-usb",
1177 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1178 .resources = ab8500_usb_resources,
1179 },
1180 {
1181 .name = "ab9540-codec",
1182 },
1183 {
1184 .name = "ab-iddet",
1185 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1186 .resources = ab8505_iddet_resources,
1187 },
1188 };
1189
1190 /* Device list for ab8505 */
1191 static struct mfd_cell ab8505_devs[] = {
1192 #ifdef CONFIG_DEBUG_FS
1193 {
1194 .name = "ab8500-debug",
1195 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1196 .resources = ab8500_debug_resources,
1197 },
1198 #endif
1199 {
1200 .name = "ab8500-sysctrl",
1201 },
1202 {
1203 .name = "ab8500-regulator",
1204 },
1205 {
1206 .name = "abx500-clk",
1207 .of_compatible = "stericsson,abx500-clk",
1208 },
1209 {
1210 .name = "ab8500-gpadc",
1211 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1212 .resources = ab8505_gpadc_resources,
1213 },
1214 {
1215 .name = "ab8500-rtc",
1216 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1217 .resources = ab8500_rtc_resources,
1218 },
1219 {
1220 .name = "ab8500-acc-det",
1221 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1222 .resources = ab8500_av_acc_detect_resources,
1223 },
1224 {
1225 .name = "ab8500-poweron-key",
1226 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1227 .resources = ab8500_poweronkey_db_resources,
1228 },
1229 {
1230 .name = "ab8500-pwm",
1231 .id = 1,
1232 },
1233 {
1234 .name = "ab8500-leds",
1235 },
1236 {
1237 .name = "ab8500-gpio",
1238 },
1239 {
1240 .name = "ab8500-usb",
1241 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1242 .resources = ab8500_usb_resources,
1243 },
1244 {
1245 .name = "ab8500-codec",
1246 },
1247 {
1248 .name = "ab-iddet",
1249 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1250 .resources = ab8505_iddet_resources,
1251 },
1252 };
1253
1254 static struct mfd_cell ab8540_devs[] = {
1255 #ifdef CONFIG_DEBUG_FS
1256 {
1257 .name = "ab8500-debug",
1258 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1259 .resources = ab8500_debug_resources,
1260 },
1261 #endif
1262 {
1263 .name = "ab8500-sysctrl",
1264 },
1265 {
1266 .name = "ab8500-regulator",
1267 },
1268 {
1269 .name = "abx500-clk",
1270 .of_compatible = "stericsson,abx500-clk",
1271 },
1272 {
1273 .name = "ab8500-gpadc",
1274 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1275 .resources = ab8505_gpadc_resources,
1276 },
1277 {
1278 .name = "ab8500-rtc",
1279 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1280 .resources = ab8500_rtc_resources,
1281 },
1282 {
1283 .name = "ab8500-acc-det",
1284 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1285 .resources = ab8500_av_acc_detect_resources,
1286 },
1287 {
1288 .name = "ab8500-poweron-key",
1289 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1290 .resources = ab8500_poweronkey_db_resources,
1291 },
1292 {
1293 .name = "ab8500-pwm",
1294 .id = 1,
1295 },
1296 {
1297 .name = "ab8500-leds",
1298 },
1299 {
1300 .name = "abx500-temp",
1301 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1302 .resources = ab8500_temp_resources,
1303 },
1304 {
1305 .name = "ab8500-gpio",
1306 },
1307 {
1308 .name = "ab8540-usb",
1309 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1310 .resources = ab8500_usb_resources,
1311 },
1312 {
1313 .name = "ab8540-codec",
1314 },
1315 {
1316 .name = "ab-iddet",
1317 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1318 .resources = ab8505_iddet_resources,
1319 },
1320 };
1321
1322 static ssize_t show_chip_id(struct device *dev,
1323 struct device_attribute *attr, char *buf)
1324 {
1325 struct ab8500 *ab8500;
1326
1327 ab8500 = dev_get_drvdata(dev);
1328
1329 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1330 }
1331
1332 /*
1333 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1334 * 0x01 Swoff bit programming
1335 * 0x02 Thermal protection activation
1336 * 0x04 Vbat lower then BattOk falling threshold
1337 * 0x08 Watchdog expired
1338 * 0x10 Non presence of 32kHz clock
1339 * 0x20 Battery level lower than power on reset threshold
1340 * 0x40 Power on key 1 pressed longer than 10 seconds
1341 * 0x80 DB8500 thermal shutdown
1342 */
1343 static ssize_t show_switch_off_status(struct device *dev,
1344 struct device_attribute *attr, char *buf)
1345 {
1346 int ret;
1347 u8 value;
1348 struct ab8500 *ab8500;
1349
1350 ab8500 = dev_get_drvdata(dev);
1351 ret = get_register_interruptible(ab8500, AB8500_RTC,
1352 AB8500_SWITCH_OFF_STATUS, &value);
1353 if (ret < 0)
1354 return ret;
1355 return sprintf(buf, "%#x\n", value);
1356 }
1357
1358 /* use mask and set to override the register turn_on_stat value */
1359 void ab8500_override_turn_on_stat(u8 mask, u8 set)
1360 {
1361 spin_lock(&on_stat_lock);
1362 turn_on_stat_mask = mask;
1363 turn_on_stat_set = set;
1364 spin_unlock(&on_stat_lock);
1365 }
1366
1367 /*
1368 * ab8500 has turned on due to (TURN_ON_STATUS):
1369 * 0x01 PORnVbat
1370 * 0x02 PonKey1dbF
1371 * 0x04 PonKey2dbF
1372 * 0x08 RTCAlarm
1373 * 0x10 MainChDet
1374 * 0x20 VbusDet
1375 * 0x40 UsbIDDetect
1376 * 0x80 Reserved
1377 */
1378 static ssize_t show_turn_on_status(struct device *dev,
1379 struct device_attribute *attr, char *buf)
1380 {
1381 int ret;
1382 u8 value;
1383 struct ab8500 *ab8500;
1384
1385 ab8500 = dev_get_drvdata(dev);
1386 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1387 AB8500_TURN_ON_STATUS, &value);
1388 if (ret < 0)
1389 return ret;
1390
1391 /*
1392 * In L9540, turn_on_status register is not updated correctly if
1393 * the device is rebooted with AC/USB charger connected. Due to
1394 * this, the device boots android instead of entering into charge
1395 * only mode. Read the AC/USB status register to detect the charger
1396 * presence and update the turn on status manually.
1397 */
1398 if (is_ab9540(ab8500)) {
1399 spin_lock(&on_stat_lock);
1400 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1401 spin_unlock(&on_stat_lock);
1402 }
1403
1404 return sprintf(buf, "%#x\n", value);
1405 }
1406
1407 static ssize_t show_turn_on_status_2(struct device *dev,
1408 struct device_attribute *attr, char *buf)
1409 {
1410 int ret;
1411 u8 value;
1412 struct ab8500 *ab8500;
1413
1414 ab8500 = dev_get_drvdata(dev);
1415 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1416 AB8505_TURN_ON_STATUS_2, &value);
1417 if (ret < 0)
1418 return ret;
1419 return sprintf(buf, "%#x\n", (value & 0x1));
1420 }
1421
1422 static ssize_t show_ab9540_dbbrstn(struct device *dev,
1423 struct device_attribute *attr, char *buf)
1424 {
1425 struct ab8500 *ab8500;
1426 int ret;
1427 u8 value;
1428
1429 ab8500 = dev_get_drvdata(dev);
1430
1431 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1432 AB9540_MODEM_CTRL2_REG, &value);
1433 if (ret < 0)
1434 return ret;
1435
1436 return sprintf(buf, "%d\n",
1437 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1438 }
1439
1440 static ssize_t store_ab9540_dbbrstn(struct device *dev,
1441 struct device_attribute *attr, const char *buf, size_t count)
1442 {
1443 struct ab8500 *ab8500;
1444 int ret = count;
1445 int err;
1446 u8 bitvalues;
1447
1448 ab8500 = dev_get_drvdata(dev);
1449
1450 if (count > 0) {
1451 switch (buf[0]) {
1452 case '0':
1453 bitvalues = 0;
1454 break;
1455 case '1':
1456 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1457 break;
1458 default:
1459 goto exit;
1460 }
1461
1462 err = mask_and_set_register_interruptible(ab8500,
1463 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1464 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1465 if (err)
1466 dev_info(ab8500->dev,
1467 "Failed to set DBBRSTN %c, err %#x\n",
1468 buf[0], err);
1469 }
1470
1471 exit:
1472 return ret;
1473 }
1474
1475 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
1476 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
1477 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
1478 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
1479 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1480 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
1481
1482 static struct attribute *ab8500_sysfs_entries[] = {
1483 &dev_attr_chip_id.attr,
1484 &dev_attr_switch_off_status.attr,
1485 &dev_attr_turn_on_status.attr,
1486 NULL,
1487 };
1488
1489 static struct attribute *ab8505_sysfs_entries[] = {
1490 &dev_attr_turn_on_status_2.attr,
1491 NULL,
1492 };
1493
1494 static struct attribute *ab9540_sysfs_entries[] = {
1495 &dev_attr_chip_id.attr,
1496 &dev_attr_switch_off_status.attr,
1497 &dev_attr_turn_on_status.attr,
1498 &dev_attr_dbbrstn.attr,
1499 NULL,
1500 };
1501
1502 static struct attribute_group ab8500_attr_group = {
1503 .attrs = ab8500_sysfs_entries,
1504 };
1505
1506 static struct attribute_group ab8505_attr_group = {
1507 .attrs = ab8505_sysfs_entries,
1508 };
1509
1510 static struct attribute_group ab9540_attr_group = {
1511 .attrs = ab9540_sysfs_entries,
1512 };
1513
1514 static int ab8500_probe(struct platform_device *pdev)
1515 {
1516 static char *switch_off_status[] = {
1517 "Swoff bit programming",
1518 "Thermal protection activation",
1519 "Vbat lower then BattOk falling threshold",
1520 "Watchdog expired",
1521 "Non presence of 32kHz clock",
1522 "Battery level lower than power on reset threshold",
1523 "Power on key 1 pressed longer than 10 seconds",
1524 "DB8500 thermal shutdown"};
1525 static char *turn_on_status[] = {
1526 "Battery rising (Vbat)",
1527 "Power On Key 1 dbF",
1528 "Power On Key 2 dbF",
1529 "RTC Alarm",
1530 "Main Charger Detect",
1531 "Vbus Detect (USB)",
1532 "USB ID Detect",
1533 "UART Factory Mode Detect"};
1534 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1535 const struct platform_device_id *platid = platform_get_device_id(pdev);
1536 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1537 struct device_node *np = pdev->dev.of_node;
1538 struct ab8500 *ab8500;
1539 struct resource *resource;
1540 int ret;
1541 int i;
1542 u8 value;
1543
1544 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);
1545 if (!ab8500)
1546 return -ENOMEM;
1547
1548 if (plat)
1549 ab8500->irq_base = plat->irq_base;
1550
1551 ab8500->dev = &pdev->dev;
1552
1553 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1554 if (!resource)
1555 return -ENODEV;
1556
1557 ab8500->irq = resource->start;
1558
1559 ab8500->read = ab8500_prcmu_read;
1560 ab8500->write = ab8500_prcmu_write;
1561 ab8500->write_masked = ab8500_prcmu_write_masked;
1562
1563 mutex_init(&ab8500->lock);
1564 mutex_init(&ab8500->irq_lock);
1565 atomic_set(&ab8500->transfer_ongoing, 0);
1566
1567 platform_set_drvdata(pdev, ab8500);
1568
1569 if (platid)
1570 version = platid->driver_data;
1571
1572 if (version != AB8500_VERSION_UNDEFINED)
1573 ab8500->version = version;
1574 else {
1575 ret = get_register_interruptible(ab8500, AB8500_MISC,
1576 AB8500_IC_NAME_REG, &value);
1577 if (ret < 0)
1578 return ret;
1579
1580 ab8500->version = value;
1581 }
1582
1583 ret = get_register_interruptible(ab8500, AB8500_MISC,
1584 AB8500_REV_REG, &value);
1585 if (ret < 0)
1586 return ret;
1587
1588 ab8500->chip_id = value;
1589
1590 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1591 ab8500_version_str[ab8500->version],
1592 ab8500->chip_id >> 4,
1593 ab8500->chip_id & 0x0F);
1594
1595 /* Configure AB8540 */
1596 if (is_ab8540(ab8500)) {
1597 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1598 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1599 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
1600 }/* Configure AB8500 or AB9540 IRQ */
1601 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
1602 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1603 ab8500->irq_reg_offset = ab9540_irq_regoffset;
1604 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1605 } else {
1606 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1607 ab8500->irq_reg_offset = ab8500_irq_regoffset;
1608 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1609 }
1610 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1611 if (!ab8500->mask)
1612 return -ENOMEM;
1613 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1614 if (!ab8500->oldmask)
1615 return -ENOMEM;
1616
1617 /*
1618 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1619 * 0x01 Swoff bit programming
1620 * 0x02 Thermal protection activation
1621 * 0x04 Vbat lower then BattOk falling threshold
1622 * 0x08 Watchdog expired
1623 * 0x10 Non presence of 32kHz clock
1624 * 0x20 Battery level lower than power on reset threshold
1625 * 0x40 Power on key 1 pressed longer than 10 seconds
1626 * 0x80 DB8500 thermal shutdown
1627 */
1628
1629 ret = get_register_interruptible(ab8500, AB8500_RTC,
1630 AB8500_SWITCH_OFF_STATUS, &value);
1631 if (ret < 0)
1632 return ret;
1633 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1634
1635 if (value) {
1636 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1637 if (value & 1)
1638 printk(KERN_CONT " \"%s\"",
1639 switch_off_status[i]);
1640 value = value >> 1;
1641
1642 }
1643 printk(KERN_CONT "\n");
1644 } else {
1645 printk(KERN_CONT " None\n");
1646 }
1647 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1648 AB8500_TURN_ON_STATUS, &value);
1649 if (ret < 0)
1650 return ret;
1651 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1652
1653 if (value) {
1654 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1655 if (value & 1)
1656 printk("\"%s\" ", turn_on_status[i]);
1657 value = value >> 1;
1658 }
1659 printk("\n");
1660 } else {
1661 printk("None\n");
1662 }
1663
1664 if (plat && plat->init)
1665 plat->init(ab8500);
1666
1667 if (is_ab9540(ab8500)) {
1668 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1669 AB8500_CH_USBCH_STAT1_REG, &value);
1670 if (ret < 0)
1671 return ret;
1672 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1673 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1674 AB8500_VBUS_DET);
1675 }
1676
1677 /* Clear and mask all interrupts */
1678 for (i = 0; i < ab8500->mask_size; i++) {
1679 /*
1680 * Interrupt register 12 doesn't exist prior to AB8500 version
1681 * 2.0
1682 */
1683 if (ab8500->irq_reg_offset[i] == 11 &&
1684 is_ab8500_1p1_or_earlier(ab8500))
1685 continue;
1686
1687 if (ab8500->irq_reg_offset[i] < 0)
1688 continue;
1689
1690 get_register_interruptible(ab8500, AB8500_INTERRUPT,
1691 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
1692 &value);
1693 set_register_interruptible(ab8500, AB8500_INTERRUPT,
1694 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
1695 }
1696
1697 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1698 if (ret)
1699 return ret;
1700
1701 for (i = 0; i < ab8500->mask_size; i++)
1702 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1703
1704 ret = ab8500_irq_init(ab8500, np);
1705 if (ret)
1706 return ret;
1707
1708 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1709 ab8500_hierarchical_irq,
1710 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1711 "ab8500", ab8500);
1712 if (ret)
1713 return ret;
1714
1715 if (is_ab9540(ab8500))
1716 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1717 ARRAY_SIZE(ab9540_devs), NULL,
1718 ab8500->irq_base, ab8500->domain);
1719 else if (is_ab8540(ab8500))
1720 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1721 ARRAY_SIZE(ab8540_devs), NULL,
1722 ab8500->irq_base, ab8500->domain);
1723 else if (is_ab8505(ab8500))
1724 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1725 ARRAY_SIZE(ab8505_devs), NULL,
1726 ab8500->irq_base, ab8500->domain);
1727 else
1728 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1729 ARRAY_SIZE(ab8500_devs), NULL,
1730 ab8500->irq_base, ab8500->domain);
1731 if (ret)
1732 return ret;
1733
1734 if (!no_bm) {
1735 /* Add battery management devices */
1736 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1737 ARRAY_SIZE(ab8500_bm_devs), NULL,
1738 ab8500->irq_base, ab8500->domain);
1739 if (ret)
1740 dev_err(ab8500->dev, "error adding bm devices\n");
1741 }
1742
1743 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1744 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1745 ret = sysfs_create_group(&ab8500->dev->kobj,
1746 &ab9540_attr_group);
1747 else
1748 ret = sysfs_create_group(&ab8500->dev->kobj,
1749 &ab8500_attr_group);
1750
1751 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1752 ab8500->chip_id >= AB8500_CUT2P0)
1753 ret = sysfs_create_group(&ab8500->dev->kobj,
1754 &ab8505_attr_group);
1755
1756 if (ret)
1757 dev_err(ab8500->dev, "error creating sysfs entries\n");
1758
1759 return ret;
1760 }
1761
1762 static int ab8500_remove(struct platform_device *pdev)
1763 {
1764 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1765
1766 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1767 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1768 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1769 else
1770 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
1771
1772 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1773 ab8500->chip_id >= AB8500_CUT2P0)
1774 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1775
1776 mfd_remove_devices(ab8500->dev);
1777
1778 return 0;
1779 }
1780
1781 static const struct platform_device_id ab8500_id[] = {
1782 { "ab8500-core", AB8500_VERSION_AB8500 },
1783 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1784 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1785 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1786 { }
1787 };
1788
1789 static struct platform_driver ab8500_core_driver = {
1790 .driver = {
1791 .name = "ab8500-core",
1792 .owner = THIS_MODULE,
1793 },
1794 .probe = ab8500_probe,
1795 .remove = ab8500_remove,
1796 .id_table = ab8500_id,
1797 };
1798
1799 static int __init ab8500_core_init(void)
1800 {
1801 return platform_driver_register(&ab8500_core_driver);
1802 }
1803
1804 static void __exit ab8500_core_exit(void)
1805 {
1806 platform_driver_unregister(&ab8500_core_driver);
1807 }
1808 core_initcall(ab8500_core_init);
1809 module_exit(ab8500_core_exit);
1810
1811 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
1812 MODULE_DESCRIPTION("AB8500 MFD core");
1813 MODULE_LICENSE("GPL v2");