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Merge commit 'b8c93646fd5c' into omap-for-v4.3/fixes
[deliverable/linux.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,
152 23, 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 &&
419 offset <= AB9540_INT_GPIO54R)
420 ab8500->mask[index + 1] &= ~mask;
421 else if (offset == AB8540_INT_GPIO43R ||
422 offset == AB8540_INT_GPIO44R)
423 /* Here the falling IRQ is one bit lower */
424 ab8500->mask[index] &= ~(mask << 1);
425 else
426 ab8500->mask[index] &= ~mask;
427 } else {
428 /* Satisfies the case where type is not set. */
429 ab8500->mask[index] &= ~mask;
430 }
431 }
432
433 static int ab8500_irq_set_type(struct irq_data *data, unsigned int type)
434 {
435 return 0;
436 }
437
438 static struct irq_chip ab8500_irq_chip = {
439 .name = "ab8500",
440 .irq_bus_lock = ab8500_irq_lock,
441 .irq_bus_sync_unlock = ab8500_irq_sync_unlock,
442 .irq_mask = ab8500_irq_mask,
443 .irq_disable = ab8500_irq_mask,
444 .irq_unmask = ab8500_irq_unmask,
445 .irq_set_type = ab8500_irq_set_type,
446 };
447
448 static void update_latch_offset(u8 *offset, int i)
449 {
450 /* Fix inconsistent ITFromLatch25 bit mapping... */
451 if (unlikely(*offset == 17))
452 *offset = 24;
453 /* Fix inconsistent ab8540 bit mapping... */
454 if (unlikely(*offset == 16))
455 *offset = 25;
456 if ((i == 3) && (*offset >= 24))
457 *offset += 2;
458 }
459
460 static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
461 int latch_offset, u8 latch_val)
462 {
463 int int_bit, line, i;
464
465 for (i = 0; i < ab8500->mask_size; i++)
466 if (ab8500->irq_reg_offset[i] == latch_offset)
467 break;
468
469 if (i >= ab8500->mask_size) {
470 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n",
471 latch_offset);
472 return -ENXIO;
473 }
474
475 /* ignore masked out interrupts */
476 latch_val &= ~ab8500->mask[i];
477
478 while (latch_val) {
479 int_bit = __ffs(latch_val);
480 line = (i << 3) + int_bit;
481 latch_val &= ~(1 << int_bit);
482
483 /*
484 * This handles the falling edge hwirqs from the GPIO
485 * lines. Route them back to the line registered for the
486 * rising IRQ, as this is merely a flag for the same IRQ
487 * in linux terms.
488 */
489 if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F)
490 line -= 16;
491 if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F)
492 line -= 8;
493 if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
494 line += 1;
495
496 handle_nested_irq(irq_create_mapping(ab8500->domain, line));
497 }
498
499 return 0;
500 }
501
502 static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500,
503 int hier_offset, u8 hier_val)
504 {
505 int latch_bit, status;
506 u8 latch_offset, latch_val;
507
508 do {
509 latch_bit = __ffs(hier_val);
510 latch_offset = (hier_offset << 3) + latch_bit;
511
512 update_latch_offset(&latch_offset, hier_offset);
513
514 status = get_register_interruptible(ab8500,
515 AB8500_INTERRUPT,
516 AB8500_IT_LATCH1_REG + latch_offset,
517 &latch_val);
518 if (status < 0 || latch_val == 0)
519 goto discard;
520
521 status = ab8500_handle_hierarchical_line(ab8500,
522 latch_offset, latch_val);
523 if (status < 0)
524 return status;
525 discard:
526 hier_val &= ~(1 << latch_bit);
527 } while (hier_val);
528
529 return 0;
530 }
531
532 static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
533 {
534 struct ab8500 *ab8500 = dev;
535 u8 i;
536
537 dev_vdbg(ab8500->dev, "interrupt\n");
538
539 /* Hierarchical interrupt version */
540 for (i = 0; i < (ab8500->it_latchhier_num); i++) {
541 int status;
542 u8 hier_val;
543
544 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
545 AB8500_IT_LATCHHIER1_REG + i, &hier_val);
546 if (status < 0 || hier_val == 0)
547 continue;
548
549 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val);
550 if (status < 0)
551 break;
552 }
553 return IRQ_HANDLED;
554 }
555
556 static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
557 irq_hw_number_t hwirq)
558 {
559 struct ab8500 *ab8500 = d->host_data;
560
561 if (!ab8500)
562 return -EINVAL;
563
564 irq_set_chip_data(virq, ab8500);
565 irq_set_chip_and_handler(virq, &ab8500_irq_chip,
566 handle_simple_irq);
567 irq_set_nested_thread(virq, 1);
568 irq_set_noprobe(virq);
569
570 return 0;
571 }
572
573 static const struct irq_domain_ops ab8500_irq_ops = {
574 .map = ab8500_irq_map,
575 .xlate = irq_domain_xlate_twocell,
576 };
577
578 static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
579 {
580 int num_irqs;
581
582 if (is_ab8540(ab8500))
583 num_irqs = AB8540_NR_IRQS;
584 else if (is_ab9540(ab8500))
585 num_irqs = AB9540_NR_IRQS;
586 else if (is_ab8505(ab8500))
587 num_irqs = AB8505_NR_IRQS;
588 else
589 num_irqs = AB8500_NR_IRQS;
590
591 /* If ->irq_base is zero this will give a linear mapping */
592 ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
593 num_irqs, 0,
594 &ab8500_irq_ops, ab8500);
595
596 if (!ab8500->domain) {
597 dev_err(ab8500->dev, "Failed to create irqdomain\n");
598 return -ENOSYS;
599 }
600
601 return 0;
602 }
603
604 int ab8500_suspend(struct ab8500 *ab8500)
605 {
606 if (atomic_read(&ab8500->transfer_ongoing))
607 return -EINVAL;
608
609 return 0;
610 }
611
612 static struct resource ab8500_gpadc_resources[] = {
613 {
614 .name = "HW_CONV_END",
615 .start = AB8500_INT_GP_HW_ADC_CONV_END,
616 .end = AB8500_INT_GP_HW_ADC_CONV_END,
617 .flags = IORESOURCE_IRQ,
618 },
619 {
620 .name = "SW_CONV_END",
621 .start = AB8500_INT_GP_SW_ADC_CONV_END,
622 .end = AB8500_INT_GP_SW_ADC_CONV_END,
623 .flags = IORESOURCE_IRQ,
624 },
625 };
626
627 static struct resource ab8505_gpadc_resources[] = {
628 {
629 .name = "SW_CONV_END",
630 .start = AB8500_INT_GP_SW_ADC_CONV_END,
631 .end = AB8500_INT_GP_SW_ADC_CONV_END,
632 .flags = IORESOURCE_IRQ,
633 },
634 };
635
636 static struct resource ab8500_rtc_resources[] = {
637 {
638 .name = "60S",
639 .start = AB8500_INT_RTC_60S,
640 .end = AB8500_INT_RTC_60S,
641 .flags = IORESOURCE_IRQ,
642 },
643 {
644 .name = "ALARM",
645 .start = AB8500_INT_RTC_ALARM,
646 .end = AB8500_INT_RTC_ALARM,
647 .flags = IORESOURCE_IRQ,
648 },
649 };
650
651 static struct resource ab8540_rtc_resources[] = {
652 {
653 .name = "1S",
654 .start = AB8540_INT_RTC_1S,
655 .end = AB8540_INT_RTC_1S,
656 .flags = IORESOURCE_IRQ,
657 },
658 {
659 .name = "ALARM",
660 .start = AB8500_INT_RTC_ALARM,
661 .end = AB8500_INT_RTC_ALARM,
662 .flags = IORESOURCE_IRQ,
663 },
664 };
665
666 static struct resource ab8500_poweronkey_db_resources[] = {
667 {
668 .name = "ONKEY_DBF",
669 .start = AB8500_INT_PON_KEY1DB_F,
670 .end = AB8500_INT_PON_KEY1DB_F,
671 .flags = IORESOURCE_IRQ,
672 },
673 {
674 .name = "ONKEY_DBR",
675 .start = AB8500_INT_PON_KEY1DB_R,
676 .end = AB8500_INT_PON_KEY1DB_R,
677 .flags = IORESOURCE_IRQ,
678 },
679 };
680
681 static struct resource ab8500_av_acc_detect_resources[] = {
682 {
683 .name = "ACC_DETECT_1DB_F",
684 .start = AB8500_INT_ACC_DETECT_1DB_F,
685 .end = AB8500_INT_ACC_DETECT_1DB_F,
686 .flags = IORESOURCE_IRQ,
687 },
688 {
689 .name = "ACC_DETECT_1DB_R",
690 .start = AB8500_INT_ACC_DETECT_1DB_R,
691 .end = AB8500_INT_ACC_DETECT_1DB_R,
692 .flags = IORESOURCE_IRQ,
693 },
694 {
695 .name = "ACC_DETECT_21DB_F",
696 .start = AB8500_INT_ACC_DETECT_21DB_F,
697 .end = AB8500_INT_ACC_DETECT_21DB_F,
698 .flags = IORESOURCE_IRQ,
699 },
700 {
701 .name = "ACC_DETECT_21DB_R",
702 .start = AB8500_INT_ACC_DETECT_21DB_R,
703 .end = AB8500_INT_ACC_DETECT_21DB_R,
704 .flags = IORESOURCE_IRQ,
705 },
706 {
707 .name = "ACC_DETECT_22DB_F",
708 .start = AB8500_INT_ACC_DETECT_22DB_F,
709 .end = AB8500_INT_ACC_DETECT_22DB_F,
710 .flags = IORESOURCE_IRQ,
711 },
712 {
713 .name = "ACC_DETECT_22DB_R",
714 .start = AB8500_INT_ACC_DETECT_22DB_R,
715 .end = AB8500_INT_ACC_DETECT_22DB_R,
716 .flags = IORESOURCE_IRQ,
717 },
718 };
719
720 static struct resource ab8500_charger_resources[] = {
721 {
722 .name = "MAIN_CH_UNPLUG_DET",
723 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
724 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
725 .flags = IORESOURCE_IRQ,
726 },
727 {
728 .name = "MAIN_CHARGE_PLUG_DET",
729 .start = AB8500_INT_MAIN_CH_PLUG_DET,
730 .end = AB8500_INT_MAIN_CH_PLUG_DET,
731 .flags = IORESOURCE_IRQ,
732 },
733 {
734 .name = "VBUS_DET_R",
735 .start = AB8500_INT_VBUS_DET_R,
736 .end = AB8500_INT_VBUS_DET_R,
737 .flags = IORESOURCE_IRQ,
738 },
739 {
740 .name = "VBUS_DET_F",
741 .start = AB8500_INT_VBUS_DET_F,
742 .end = AB8500_INT_VBUS_DET_F,
743 .flags = IORESOURCE_IRQ,
744 },
745 {
746 .name = "USB_LINK_STATUS",
747 .start = AB8500_INT_USB_LINK_STATUS,
748 .end = AB8500_INT_USB_LINK_STATUS,
749 .flags = IORESOURCE_IRQ,
750 },
751 {
752 .name = "VBUS_OVV",
753 .start = AB8500_INT_VBUS_OVV,
754 .end = AB8500_INT_VBUS_OVV,
755 .flags = IORESOURCE_IRQ,
756 },
757 {
758 .name = "USB_CH_TH_PROT_R",
759 .start = AB8500_INT_USB_CH_TH_PROT_R,
760 .end = AB8500_INT_USB_CH_TH_PROT_R,
761 .flags = IORESOURCE_IRQ,
762 },
763 {
764 .name = "USB_CH_TH_PROT_F",
765 .start = AB8500_INT_USB_CH_TH_PROT_F,
766 .end = AB8500_INT_USB_CH_TH_PROT_F,
767 .flags = IORESOURCE_IRQ,
768 },
769 {
770 .name = "MAIN_EXT_CH_NOT_OK",
771 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
772 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
773 .flags = IORESOURCE_IRQ,
774 },
775 {
776 .name = "MAIN_CH_TH_PROT_R",
777 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
778 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
779 .flags = IORESOURCE_IRQ,
780 },
781 {
782 .name = "MAIN_CH_TH_PROT_F",
783 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
784 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
785 .flags = IORESOURCE_IRQ,
786 },
787 {
788 .name = "USB_CHARGER_NOT_OKR",
789 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
790 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
791 .flags = IORESOURCE_IRQ,
792 },
793 {
794 .name = "CH_WD_EXP",
795 .start = AB8500_INT_CH_WD_EXP,
796 .end = AB8500_INT_CH_WD_EXP,
797 .flags = IORESOURCE_IRQ,
798 },
799 {
800 .name = "VBUS_CH_DROP_END",
801 .start = AB8500_INT_VBUS_CH_DROP_END,
802 .end = AB8500_INT_VBUS_CH_DROP_END,
803 .flags = IORESOURCE_IRQ,
804 },
805 };
806
807 static struct resource ab8500_btemp_resources[] = {
808 {
809 .name = "BAT_CTRL_INDB",
810 .start = AB8500_INT_BAT_CTRL_INDB,
811 .end = AB8500_INT_BAT_CTRL_INDB,
812 .flags = IORESOURCE_IRQ,
813 },
814 {
815 .name = "BTEMP_LOW",
816 .start = AB8500_INT_BTEMP_LOW,
817 .end = AB8500_INT_BTEMP_LOW,
818 .flags = IORESOURCE_IRQ,
819 },
820 {
821 .name = "BTEMP_HIGH",
822 .start = AB8500_INT_BTEMP_HIGH,
823 .end = AB8500_INT_BTEMP_HIGH,
824 .flags = IORESOURCE_IRQ,
825 },
826 {
827 .name = "BTEMP_LOW_MEDIUM",
828 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
829 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
830 .flags = IORESOURCE_IRQ,
831 },
832 {
833 .name = "BTEMP_MEDIUM_HIGH",
834 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
835 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
836 .flags = IORESOURCE_IRQ,
837 },
838 };
839
840 static struct resource ab8500_fg_resources[] = {
841 {
842 .name = "NCONV_ACCU",
843 .start = AB8500_INT_CCN_CONV_ACC,
844 .end = AB8500_INT_CCN_CONV_ACC,
845 .flags = IORESOURCE_IRQ,
846 },
847 {
848 .name = "BATT_OVV",
849 .start = AB8500_INT_BATT_OVV,
850 .end = AB8500_INT_BATT_OVV,
851 .flags = IORESOURCE_IRQ,
852 },
853 {
854 .name = "LOW_BAT_F",
855 .start = AB8500_INT_LOW_BAT_F,
856 .end = AB8500_INT_LOW_BAT_F,
857 .flags = IORESOURCE_IRQ,
858 },
859 {
860 .name = "LOW_BAT_R",
861 .start = AB8500_INT_LOW_BAT_R,
862 .end = AB8500_INT_LOW_BAT_R,
863 .flags = IORESOURCE_IRQ,
864 },
865 {
866 .name = "CC_INT_CALIB",
867 .start = AB8500_INT_CC_INT_CALIB,
868 .end = AB8500_INT_CC_INT_CALIB,
869 .flags = IORESOURCE_IRQ,
870 },
871 {
872 .name = "CCEOC",
873 .start = AB8500_INT_CCEOC,
874 .end = AB8500_INT_CCEOC,
875 .flags = IORESOURCE_IRQ,
876 },
877 };
878
879 static struct resource ab8500_chargalg_resources[] = {};
880
881 #ifdef CONFIG_DEBUG_FS
882 static struct resource ab8500_debug_resources[] = {
883 {
884 .name = "IRQ_AB8500",
885 /*
886 * Number will be filled in. NOTE: this is deliberately
887 * not flagged as an IRQ in ordet to avoid remapping using
888 * the irqdomain in the MFD core, so that this IRQ passes
889 * unremapped to the debug code.
890 */
891 },
892 {
893 .name = "IRQ_FIRST",
894 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
895 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
896 .flags = IORESOURCE_IRQ,
897 },
898 {
899 .name = "IRQ_LAST",
900 .start = AB8500_INT_XTAL32K_KO,
901 .end = AB8500_INT_XTAL32K_KO,
902 .flags = IORESOURCE_IRQ,
903 },
904 };
905 #endif
906
907 static struct resource ab8500_usb_resources[] = {
908 {
909 .name = "ID_WAKEUP_R",
910 .start = AB8500_INT_ID_WAKEUP_R,
911 .end = AB8500_INT_ID_WAKEUP_R,
912 .flags = IORESOURCE_IRQ,
913 },
914 {
915 .name = "ID_WAKEUP_F",
916 .start = AB8500_INT_ID_WAKEUP_F,
917 .end = AB8500_INT_ID_WAKEUP_F,
918 .flags = IORESOURCE_IRQ,
919 },
920 {
921 .name = "VBUS_DET_F",
922 .start = AB8500_INT_VBUS_DET_F,
923 .end = AB8500_INT_VBUS_DET_F,
924 .flags = IORESOURCE_IRQ,
925 },
926 {
927 .name = "VBUS_DET_R",
928 .start = AB8500_INT_VBUS_DET_R,
929 .end = AB8500_INT_VBUS_DET_R,
930 .flags = IORESOURCE_IRQ,
931 },
932 {
933 .name = "USB_LINK_STATUS",
934 .start = AB8500_INT_USB_LINK_STATUS,
935 .end = AB8500_INT_USB_LINK_STATUS,
936 .flags = IORESOURCE_IRQ,
937 },
938 {
939 .name = "USB_ADP_PROBE_PLUG",
940 .start = AB8500_INT_ADP_PROBE_PLUG,
941 .end = AB8500_INT_ADP_PROBE_PLUG,
942 .flags = IORESOURCE_IRQ,
943 },
944 {
945 .name = "USB_ADP_PROBE_UNPLUG",
946 .start = AB8500_INT_ADP_PROBE_UNPLUG,
947 .end = AB8500_INT_ADP_PROBE_UNPLUG,
948 .flags = IORESOURCE_IRQ,
949 },
950 };
951
952 static struct resource ab8505_iddet_resources[] = {
953 {
954 .name = "KeyDeglitch",
955 .start = AB8505_INT_KEYDEGLITCH,
956 .end = AB8505_INT_KEYDEGLITCH,
957 .flags = IORESOURCE_IRQ,
958 },
959 {
960 .name = "KP",
961 .start = AB8505_INT_KP,
962 .end = AB8505_INT_KP,
963 .flags = IORESOURCE_IRQ,
964 },
965 {
966 .name = "IKP",
967 .start = AB8505_INT_IKP,
968 .end = AB8505_INT_IKP,
969 .flags = IORESOURCE_IRQ,
970 },
971 {
972 .name = "IKR",
973 .start = AB8505_INT_IKR,
974 .end = AB8505_INT_IKR,
975 .flags = IORESOURCE_IRQ,
976 },
977 {
978 .name = "KeyStuck",
979 .start = AB8505_INT_KEYSTUCK,
980 .end = AB8505_INT_KEYSTUCK,
981 .flags = IORESOURCE_IRQ,
982 },
983 {
984 .name = "VBUS_DET_R",
985 .start = AB8500_INT_VBUS_DET_R,
986 .end = AB8500_INT_VBUS_DET_R,
987 .flags = IORESOURCE_IRQ,
988 },
989 {
990 .name = "VBUS_DET_F",
991 .start = AB8500_INT_VBUS_DET_F,
992 .end = AB8500_INT_VBUS_DET_F,
993 .flags = IORESOURCE_IRQ,
994 },
995 {
996 .name = "ID_DET_PLUGR",
997 .start = AB8500_INT_ID_DET_PLUGR,
998 .end = AB8500_INT_ID_DET_PLUGR,
999 .flags = IORESOURCE_IRQ,
1000 },
1001 {
1002 .name = "ID_DET_PLUGF",
1003 .start = AB8500_INT_ID_DET_PLUGF,
1004 .end = AB8500_INT_ID_DET_PLUGF,
1005 .flags = IORESOURCE_IRQ,
1006 },
1007 };
1008
1009 static struct resource ab8500_temp_resources[] = {
1010 {
1011 .name = "ABX500_TEMP_WARM",
1012 .start = AB8500_INT_TEMP_WARM,
1013 .end = AB8500_INT_TEMP_WARM,
1014 .flags = IORESOURCE_IRQ,
1015 },
1016 };
1017
1018 static const struct mfd_cell ab8500_bm_devs[] = {
1019 {
1020 .name = "ab8500-charger",
1021 .of_compatible = "stericsson,ab8500-charger",
1022 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1023 .resources = ab8500_charger_resources,
1024 .platform_data = &ab8500_bm_data,
1025 .pdata_size = sizeof(ab8500_bm_data),
1026 },
1027 {
1028 .name = "ab8500-btemp",
1029 .of_compatible = "stericsson,ab8500-btemp",
1030 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1031 .resources = ab8500_btemp_resources,
1032 .platform_data = &ab8500_bm_data,
1033 .pdata_size = sizeof(ab8500_bm_data),
1034 },
1035 {
1036 .name = "ab8500-fg",
1037 .of_compatible = "stericsson,ab8500-fg",
1038 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1039 .resources = ab8500_fg_resources,
1040 .platform_data = &ab8500_bm_data,
1041 .pdata_size = sizeof(ab8500_bm_data),
1042 },
1043 {
1044 .name = "ab8500-chargalg",
1045 .of_compatible = "stericsson,ab8500-chargalg",
1046 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1047 .resources = ab8500_chargalg_resources,
1048 .platform_data = &ab8500_bm_data,
1049 .pdata_size = sizeof(ab8500_bm_data),
1050 },
1051 };
1052
1053 static const struct mfd_cell ab8500_devs[] = {
1054 #ifdef CONFIG_DEBUG_FS
1055 {
1056 .name = "ab8500-debug",
1057 .of_compatible = "stericsson,ab8500-debug",
1058 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1059 .resources = ab8500_debug_resources,
1060 },
1061 #endif
1062 {
1063 .name = "ab8500-sysctrl",
1064 .of_compatible = "stericsson,ab8500-sysctrl",
1065 },
1066 {
1067 .name = "ab8500-ext-regulator",
1068 .of_compatible = "stericsson,ab8500-ext-regulator",
1069 },
1070 {
1071 .name = "ab8500-regulator",
1072 .of_compatible = "stericsson,ab8500-regulator",
1073 },
1074 {
1075 .name = "abx500-clk",
1076 .of_compatible = "stericsson,abx500-clk",
1077 },
1078 {
1079 .name = "ab8500-gpadc",
1080 .of_compatible = "stericsson,ab8500-gpadc",
1081 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1082 .resources = ab8500_gpadc_resources,
1083 },
1084 {
1085 .name = "ab8500-rtc",
1086 .of_compatible = "stericsson,ab8500-rtc",
1087 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1088 .resources = ab8500_rtc_resources,
1089 },
1090 {
1091 .name = "ab8500-acc-det",
1092 .of_compatible = "stericsson,ab8500-acc-det",
1093 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1094 .resources = ab8500_av_acc_detect_resources,
1095 },
1096 {
1097
1098 .name = "ab8500-poweron-key",
1099 .of_compatible = "stericsson,ab8500-poweron-key",
1100 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1101 .resources = ab8500_poweronkey_db_resources,
1102 },
1103 {
1104 .name = "ab8500-pwm",
1105 .of_compatible = "stericsson,ab8500-pwm",
1106 .id = 1,
1107 },
1108 {
1109 .name = "ab8500-pwm",
1110 .of_compatible = "stericsson,ab8500-pwm",
1111 .id = 2,
1112 },
1113 {
1114 .name = "ab8500-pwm",
1115 .of_compatible = "stericsson,ab8500-pwm",
1116 .id = 3,
1117 },
1118 {
1119 .name = "ab8500-denc",
1120 .of_compatible = "stericsson,ab8500-denc",
1121 },
1122 {
1123 .name = "pinctrl-ab8500",
1124 .of_compatible = "stericsson,ab8500-gpio",
1125 },
1126 {
1127 .name = "abx500-temp",
1128 .of_compatible = "stericsson,abx500-temp",
1129 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1130 .resources = ab8500_temp_resources,
1131 },
1132 {
1133 .name = "ab8500-usb",
1134 .of_compatible = "stericsson,ab8500-usb",
1135 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1136 .resources = ab8500_usb_resources,
1137 },
1138 {
1139 .name = "ab8500-codec",
1140 .of_compatible = "stericsson,ab8500-codec",
1141 },
1142 };
1143
1144 static const struct mfd_cell ab9540_devs[] = {
1145 #ifdef CONFIG_DEBUG_FS
1146 {
1147 .name = "ab8500-debug",
1148 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1149 .resources = ab8500_debug_resources,
1150 },
1151 #endif
1152 {
1153 .name = "ab8500-sysctrl",
1154 },
1155 {
1156 .name = "ab8500-ext-regulator",
1157 },
1158 {
1159 .name = "ab8500-regulator",
1160 },
1161 {
1162 .name = "abx500-clk",
1163 .of_compatible = "stericsson,abx500-clk",
1164 },
1165 {
1166 .name = "ab8500-gpadc",
1167 .of_compatible = "stericsson,ab8500-gpadc",
1168 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1169 .resources = ab8500_gpadc_resources,
1170 },
1171 {
1172 .name = "ab8500-rtc",
1173 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1174 .resources = ab8500_rtc_resources,
1175 },
1176 {
1177 .name = "ab8500-acc-det",
1178 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1179 .resources = ab8500_av_acc_detect_resources,
1180 },
1181 {
1182 .name = "ab8500-poweron-key",
1183 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1184 .resources = ab8500_poweronkey_db_resources,
1185 },
1186 {
1187 .name = "ab8500-pwm",
1188 .id = 1,
1189 },
1190 {
1191 .name = "abx500-temp",
1192 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1193 .resources = ab8500_temp_resources,
1194 },
1195 {
1196 .name = "pinctrl-ab9540",
1197 .of_compatible = "stericsson,ab9540-gpio",
1198 },
1199 {
1200 .name = "ab9540-usb",
1201 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1202 .resources = ab8500_usb_resources,
1203 },
1204 {
1205 .name = "ab9540-codec",
1206 },
1207 {
1208 .name = "ab-iddet",
1209 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1210 .resources = ab8505_iddet_resources,
1211 },
1212 };
1213
1214 /* Device list for ab8505 */
1215 static const struct mfd_cell ab8505_devs[] = {
1216 #ifdef CONFIG_DEBUG_FS
1217 {
1218 .name = "ab8500-debug",
1219 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1220 .resources = ab8500_debug_resources,
1221 },
1222 #endif
1223 {
1224 .name = "ab8500-sysctrl",
1225 },
1226 {
1227 .name = "ab8500-regulator",
1228 },
1229 {
1230 .name = "abx500-clk",
1231 .of_compatible = "stericsson,abx500-clk",
1232 },
1233 {
1234 .name = "ab8500-gpadc",
1235 .of_compatible = "stericsson,ab8500-gpadc",
1236 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1237 .resources = ab8505_gpadc_resources,
1238 },
1239 {
1240 .name = "ab8500-rtc",
1241 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1242 .resources = ab8500_rtc_resources,
1243 },
1244 {
1245 .name = "ab8500-acc-det",
1246 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1247 .resources = ab8500_av_acc_detect_resources,
1248 },
1249 {
1250 .name = "ab8500-poweron-key",
1251 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1252 .resources = ab8500_poweronkey_db_resources,
1253 },
1254 {
1255 .name = "ab8500-pwm",
1256 .id = 1,
1257 },
1258 {
1259 .name = "pinctrl-ab8505",
1260 },
1261 {
1262 .name = "ab8500-usb",
1263 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1264 .resources = ab8500_usb_resources,
1265 },
1266 {
1267 .name = "ab8500-codec",
1268 },
1269 {
1270 .name = "ab-iddet",
1271 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1272 .resources = ab8505_iddet_resources,
1273 },
1274 };
1275
1276 static const struct mfd_cell ab8540_devs[] = {
1277 #ifdef CONFIG_DEBUG_FS
1278 {
1279 .name = "ab8500-debug",
1280 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1281 .resources = ab8500_debug_resources,
1282 },
1283 #endif
1284 {
1285 .name = "ab8500-sysctrl",
1286 },
1287 {
1288 .name = "ab8500-ext-regulator",
1289 },
1290 {
1291 .name = "ab8500-regulator",
1292 },
1293 {
1294 .name = "abx500-clk",
1295 .of_compatible = "stericsson,abx500-clk",
1296 },
1297 {
1298 .name = "ab8500-gpadc",
1299 .of_compatible = "stericsson,ab8500-gpadc",
1300 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1301 .resources = ab8505_gpadc_resources,
1302 },
1303 {
1304 .name = "ab8500-acc-det",
1305 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1306 .resources = ab8500_av_acc_detect_resources,
1307 },
1308 {
1309 .name = "ab8500-poweron-key",
1310 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1311 .resources = ab8500_poweronkey_db_resources,
1312 },
1313 {
1314 .name = "ab8500-pwm",
1315 .id = 1,
1316 },
1317 {
1318 .name = "abx500-temp",
1319 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1320 .resources = ab8500_temp_resources,
1321 },
1322 {
1323 .name = "pinctrl-ab8540",
1324 },
1325 {
1326 .name = "ab8540-usb",
1327 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1328 .resources = ab8500_usb_resources,
1329 },
1330 {
1331 .name = "ab8540-codec",
1332 },
1333 {
1334 .name = "ab-iddet",
1335 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1336 .resources = ab8505_iddet_resources,
1337 },
1338 };
1339
1340 static const struct mfd_cell ab8540_cut1_devs[] = {
1341 {
1342 .name = "ab8500-rtc",
1343 .of_compatible = "stericsson,ab8500-rtc",
1344 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1345 .resources = ab8500_rtc_resources,
1346 },
1347 };
1348
1349 static const struct mfd_cell ab8540_cut2_devs[] = {
1350 {
1351 .name = "ab8540-rtc",
1352 .of_compatible = "stericsson,ab8540-rtc",
1353 .num_resources = ARRAY_SIZE(ab8540_rtc_resources),
1354 .resources = ab8540_rtc_resources,
1355 },
1356 };
1357
1358 static ssize_t show_chip_id(struct device *dev,
1359 struct device_attribute *attr, char *buf)
1360 {
1361 struct ab8500 *ab8500;
1362
1363 ab8500 = dev_get_drvdata(dev);
1364
1365 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1366 }
1367
1368 /*
1369 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1370 * 0x01 Swoff bit programming
1371 * 0x02 Thermal protection activation
1372 * 0x04 Vbat lower then BattOk falling threshold
1373 * 0x08 Watchdog expired
1374 * 0x10 Non presence of 32kHz clock
1375 * 0x20 Battery level lower than power on reset threshold
1376 * 0x40 Power on key 1 pressed longer than 10 seconds
1377 * 0x80 DB8500 thermal shutdown
1378 */
1379 static ssize_t show_switch_off_status(struct device *dev,
1380 struct device_attribute *attr, char *buf)
1381 {
1382 int ret;
1383 u8 value;
1384 struct ab8500 *ab8500;
1385
1386 ab8500 = dev_get_drvdata(dev);
1387 ret = get_register_interruptible(ab8500, AB8500_RTC,
1388 AB8500_SWITCH_OFF_STATUS, &value);
1389 if (ret < 0)
1390 return ret;
1391 return sprintf(buf, "%#x\n", value);
1392 }
1393
1394 /* use mask and set to override the register turn_on_stat value */
1395 void ab8500_override_turn_on_stat(u8 mask, u8 set)
1396 {
1397 spin_lock(&on_stat_lock);
1398 turn_on_stat_mask = mask;
1399 turn_on_stat_set = set;
1400 spin_unlock(&on_stat_lock);
1401 }
1402
1403 /*
1404 * ab8500 has turned on due to (TURN_ON_STATUS):
1405 * 0x01 PORnVbat
1406 * 0x02 PonKey1dbF
1407 * 0x04 PonKey2dbF
1408 * 0x08 RTCAlarm
1409 * 0x10 MainChDet
1410 * 0x20 VbusDet
1411 * 0x40 UsbIDDetect
1412 * 0x80 Reserved
1413 */
1414 static ssize_t show_turn_on_status(struct device *dev,
1415 struct device_attribute *attr, char *buf)
1416 {
1417 int ret;
1418 u8 value;
1419 struct ab8500 *ab8500;
1420
1421 ab8500 = dev_get_drvdata(dev);
1422 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1423 AB8500_TURN_ON_STATUS, &value);
1424 if (ret < 0)
1425 return ret;
1426
1427 /*
1428 * In L9540, turn_on_status register is not updated correctly if
1429 * the device is rebooted with AC/USB charger connected. Due to
1430 * this, the device boots android instead of entering into charge
1431 * only mode. Read the AC/USB status register to detect the charger
1432 * presence and update the turn on status manually.
1433 */
1434 if (is_ab9540(ab8500)) {
1435 spin_lock(&on_stat_lock);
1436 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1437 spin_unlock(&on_stat_lock);
1438 }
1439
1440 return sprintf(buf, "%#x\n", value);
1441 }
1442
1443 static ssize_t show_turn_on_status_2(struct device *dev,
1444 struct device_attribute *attr, char *buf)
1445 {
1446 int ret;
1447 u8 value;
1448 struct ab8500 *ab8500;
1449
1450 ab8500 = dev_get_drvdata(dev);
1451 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1452 AB8505_TURN_ON_STATUS_2, &value);
1453 if (ret < 0)
1454 return ret;
1455 return sprintf(buf, "%#x\n", (value & 0x1));
1456 }
1457
1458 static ssize_t show_ab9540_dbbrstn(struct device *dev,
1459 struct device_attribute *attr, char *buf)
1460 {
1461 struct ab8500 *ab8500;
1462 int ret;
1463 u8 value;
1464
1465 ab8500 = dev_get_drvdata(dev);
1466
1467 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1468 AB9540_MODEM_CTRL2_REG, &value);
1469 if (ret < 0)
1470 return ret;
1471
1472 return sprintf(buf, "%d\n",
1473 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1474 }
1475
1476 static ssize_t store_ab9540_dbbrstn(struct device *dev,
1477 struct device_attribute *attr, const char *buf, size_t count)
1478 {
1479 struct ab8500 *ab8500;
1480 int ret = count;
1481 int err;
1482 u8 bitvalues;
1483
1484 ab8500 = dev_get_drvdata(dev);
1485
1486 if (count > 0) {
1487 switch (buf[0]) {
1488 case '0':
1489 bitvalues = 0;
1490 break;
1491 case '1':
1492 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1493 break;
1494 default:
1495 goto exit;
1496 }
1497
1498 err = mask_and_set_register_interruptible(ab8500,
1499 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1500 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1501 if (err)
1502 dev_info(ab8500->dev,
1503 "Failed to set DBBRSTN %c, err %#x\n",
1504 buf[0], err);
1505 }
1506
1507 exit:
1508 return ret;
1509 }
1510
1511 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
1512 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
1513 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
1514 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
1515 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1516 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
1517
1518 static struct attribute *ab8500_sysfs_entries[] = {
1519 &dev_attr_chip_id.attr,
1520 &dev_attr_switch_off_status.attr,
1521 &dev_attr_turn_on_status.attr,
1522 NULL,
1523 };
1524
1525 static struct attribute *ab8505_sysfs_entries[] = {
1526 &dev_attr_turn_on_status_2.attr,
1527 NULL,
1528 };
1529
1530 static struct attribute *ab9540_sysfs_entries[] = {
1531 &dev_attr_chip_id.attr,
1532 &dev_attr_switch_off_status.attr,
1533 &dev_attr_turn_on_status.attr,
1534 &dev_attr_dbbrstn.attr,
1535 NULL,
1536 };
1537
1538 static struct attribute_group ab8500_attr_group = {
1539 .attrs = ab8500_sysfs_entries,
1540 };
1541
1542 static struct attribute_group ab8505_attr_group = {
1543 .attrs = ab8505_sysfs_entries,
1544 };
1545
1546 static struct attribute_group ab9540_attr_group = {
1547 .attrs = ab9540_sysfs_entries,
1548 };
1549
1550 static int ab8500_probe(struct platform_device *pdev)
1551 {
1552 static const char *switch_off_status[] = {
1553 "Swoff bit programming",
1554 "Thermal protection activation",
1555 "Vbat lower then BattOk falling threshold",
1556 "Watchdog expired",
1557 "Non presence of 32kHz clock",
1558 "Battery level lower than power on reset threshold",
1559 "Power on key 1 pressed longer than 10 seconds",
1560 "DB8500 thermal shutdown"};
1561 static const char *turn_on_status[] = {
1562 "Battery rising (Vbat)",
1563 "Power On Key 1 dbF",
1564 "Power On Key 2 dbF",
1565 "RTC Alarm",
1566 "Main Charger Detect",
1567 "Vbus Detect (USB)",
1568 "USB ID Detect",
1569 "UART Factory Mode Detect"};
1570 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1571 const struct platform_device_id *platid = platform_get_device_id(pdev);
1572 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1573 struct device_node *np = pdev->dev.of_node;
1574 struct ab8500 *ab8500;
1575 struct resource *resource;
1576 int ret;
1577 int i;
1578 u8 value;
1579
1580 ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL);
1581 if (!ab8500)
1582 return -ENOMEM;
1583
1584 ab8500->dev = &pdev->dev;
1585
1586 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1587 if (!resource) {
1588 dev_err(&pdev->dev, "no IRQ resource\n");
1589 return -ENODEV;
1590 }
1591
1592 ab8500->irq = resource->start;
1593
1594 ab8500->read = ab8500_prcmu_read;
1595 ab8500->write = ab8500_prcmu_write;
1596 ab8500->write_masked = ab8500_prcmu_write_masked;
1597
1598 mutex_init(&ab8500->lock);
1599 mutex_init(&ab8500->irq_lock);
1600 atomic_set(&ab8500->transfer_ongoing, 0);
1601
1602 platform_set_drvdata(pdev, ab8500);
1603
1604 if (platid)
1605 version = platid->driver_data;
1606
1607 if (version != AB8500_VERSION_UNDEFINED)
1608 ab8500->version = version;
1609 else {
1610 ret = get_register_interruptible(ab8500, AB8500_MISC,
1611 AB8500_IC_NAME_REG, &value);
1612 if (ret < 0) {
1613 dev_err(&pdev->dev, "could not probe HW\n");
1614 return ret;
1615 }
1616
1617 ab8500->version = value;
1618 }
1619
1620 ret = get_register_interruptible(ab8500, AB8500_MISC,
1621 AB8500_REV_REG, &value);
1622 if (ret < 0)
1623 return ret;
1624
1625 ab8500->chip_id = value;
1626
1627 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1628 ab8500_version_str[ab8500->version],
1629 ab8500->chip_id >> 4,
1630 ab8500->chip_id & 0x0F);
1631
1632 /* Configure AB8540 */
1633 if (is_ab8540(ab8500)) {
1634 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1635 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1636 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
1637 } /* Configure AB8500 or AB9540 IRQ */
1638 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
1639 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1640 ab8500->irq_reg_offset = ab9540_irq_regoffset;
1641 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1642 } else {
1643 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1644 ab8500->irq_reg_offset = ab8500_irq_regoffset;
1645 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1646 }
1647 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1648 GFP_KERNEL);
1649 if (!ab8500->mask)
1650 return -ENOMEM;
1651 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1652 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 pr_cont(" \"%s\"", switch_off_status[i]);
1678 value = value >> 1;
1679
1680 }
1681 pr_cont("\n");
1682 } else {
1683 pr_cont(" None\n");
1684 }
1685 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1686 AB8500_TURN_ON_STATUS, &value);
1687 if (ret < 0)
1688 return ret;
1689 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1690
1691 if (value) {
1692 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1693 if (value & 1)
1694 pr_cont("\"%s\" ", turn_on_status[i]);
1695 value = value >> 1;
1696 }
1697 pr_cont("\n");
1698 } else {
1699 pr_cont("None\n");
1700 }
1701
1702 if (plat && plat->init)
1703 plat->init(ab8500);
1704
1705 if (is_ab9540(ab8500)) {
1706 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1707 AB8500_CH_USBCH_STAT1_REG, &value);
1708 if (ret < 0)
1709 return ret;
1710 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1711 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1712 AB8500_VBUS_DET);
1713 }
1714
1715 /* Clear and mask all interrupts */
1716 for (i = 0; i < ab8500->mask_size; i++) {
1717 /*
1718 * Interrupt register 12 doesn't exist prior to AB8500 version
1719 * 2.0
1720 */
1721 if (ab8500->irq_reg_offset[i] == 11 &&
1722 is_ab8500_1p1_or_earlier(ab8500))
1723 continue;
1724
1725 if (ab8500->irq_reg_offset[i] < 0)
1726 continue;
1727
1728 get_register_interruptible(ab8500, AB8500_INTERRUPT,
1729 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
1730 &value);
1731 set_register_interruptible(ab8500, AB8500_INTERRUPT,
1732 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
1733 }
1734
1735 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1736 if (ret)
1737 return ret;
1738
1739 for (i = 0; i < ab8500->mask_size; i++)
1740 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1741
1742 ret = ab8500_irq_init(ab8500, np);
1743 if (ret)
1744 return ret;
1745
1746 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1747 ab8500_hierarchical_irq,
1748 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1749 "ab8500", ab8500);
1750 if (ret)
1751 return ret;
1752
1753 #ifdef CONFIG_DEBUG_FS
1754 /* Pass to debugfs */
1755 ab8500_debug_resources[0].start = ab8500->irq;
1756 ab8500_debug_resources[0].end = ab8500->irq;
1757 #endif
1758
1759 if (is_ab9540(ab8500))
1760 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1761 ARRAY_SIZE(ab9540_devs), NULL,
1762 0, ab8500->domain);
1763 else if (is_ab8540(ab8500)) {
1764 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1765 ARRAY_SIZE(ab8540_devs), NULL,
1766 0, ab8500->domain);
1767 if (ret)
1768 return ret;
1769
1770 if (is_ab8540_1p2_or_earlier(ab8500))
1771 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
1772 ARRAY_SIZE(ab8540_cut1_devs), NULL,
1773 0, ab8500->domain);
1774 else /* ab8540 >= cut2 */
1775 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
1776 ARRAY_SIZE(ab8540_cut2_devs), NULL,
1777 0, ab8500->domain);
1778 } else if (is_ab8505(ab8500))
1779 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1780 ARRAY_SIZE(ab8505_devs), NULL,
1781 0, ab8500->domain);
1782 else
1783 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1784 ARRAY_SIZE(ab8500_devs), NULL,
1785 0, ab8500->domain);
1786 if (ret)
1787 return ret;
1788
1789 if (!no_bm) {
1790 /* Add battery management devices */
1791 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1792 ARRAY_SIZE(ab8500_bm_devs), NULL,
1793 0, ab8500->domain);
1794 if (ret)
1795 dev_err(ab8500->dev, "error adding bm devices\n");
1796 }
1797
1798 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1799 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1800 ret = sysfs_create_group(&ab8500->dev->kobj,
1801 &ab9540_attr_group);
1802 else
1803 ret = sysfs_create_group(&ab8500->dev->kobj,
1804 &ab8500_attr_group);
1805
1806 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1807 ab8500->chip_id >= AB8500_CUT2P0)
1808 ret = sysfs_create_group(&ab8500->dev->kobj,
1809 &ab8505_attr_group);
1810
1811 if (ret)
1812 dev_err(ab8500->dev, "error creating sysfs entries\n");
1813
1814 return ret;
1815 }
1816
1817 static int ab8500_remove(struct platform_device *pdev)
1818 {
1819 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1820
1821 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1822 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1823 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1824 else
1825 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
1826
1827 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1828 ab8500->chip_id >= AB8500_CUT2P0)
1829 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1830
1831 mfd_remove_devices(ab8500->dev);
1832
1833 return 0;
1834 }
1835
1836 static const struct platform_device_id ab8500_id[] = {
1837 { "ab8500-core", AB8500_VERSION_AB8500 },
1838 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1839 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1840 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1841 { }
1842 };
1843
1844 static struct platform_driver ab8500_core_driver = {
1845 .driver = {
1846 .name = "ab8500-core",
1847 },
1848 .probe = ab8500_probe,
1849 .remove = ab8500_remove,
1850 .id_table = ab8500_id,
1851 };
1852
1853 static int __init ab8500_core_init(void)
1854 {
1855 return platform_driver_register(&ab8500_core_driver);
1856 }
1857
1858 static void __exit ab8500_core_exit(void)
1859 {
1860 platform_driver_unregister(&ab8500_core_driver);
1861 }
1862 core_initcall(ab8500_core_init);
1863 module_exit(ab8500_core_exit);
1864
1865 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
1866 MODULE_DESCRIPTION("AB8500 MFD core");
1867 MODULE_LICENSE("GPL v2");
Linux kernel - Deliverables
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