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Linux 4.1.16
[linux/fpc-iii.git] / drivers / mfd / ab8500-core.c
blobc80a2925f8e5f0df52131e88ab380fac44097ea7
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 #ifdef CONFIG_ARM
569 set_irq_flags(virq, IRQF_VALID);
570 #else
571 irq_set_noprobe(virq);
572 #endif
573
574 return 0;
575 }
576
577 static struct irq_domain_ops ab8500_irq_ops = {
578 .map = ab8500_irq_map,
579 .xlate = irq_domain_xlate_twocell,
580 };
581
582 static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
583 {
584 int num_irqs;
585
586 if (is_ab8540(ab8500))
587 num_irqs = AB8540_NR_IRQS;
588 else if (is_ab9540(ab8500))
589 num_irqs = AB9540_NR_IRQS;
590 else if (is_ab8505(ab8500))
591 num_irqs = AB8505_NR_IRQS;
592 else
593 num_irqs = AB8500_NR_IRQS;
594
595 /* If ->irq_base is zero this will give a linear mapping */
596 ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
597 num_irqs, 0,
598 &ab8500_irq_ops, ab8500);
599
600 if (!ab8500->domain) {
601 dev_err(ab8500->dev, "Failed to create irqdomain\n");
602 return -ENOSYS;
603 }
604
605 return 0;
606 }
607
608 int ab8500_suspend(struct ab8500 *ab8500)
609 {
610 if (atomic_read(&ab8500->transfer_ongoing))
611 return -EINVAL;
612
613 return 0;
614 }
615
616 static struct resource ab8500_gpadc_resources[] = {
617 {
618 .name = "HW_CONV_END",
619 .start = AB8500_INT_GP_HW_ADC_CONV_END,
620 .end = AB8500_INT_GP_HW_ADC_CONV_END,
621 .flags = IORESOURCE_IRQ,
622 },
623 {
624 .name = "SW_CONV_END",
625 .start = AB8500_INT_GP_SW_ADC_CONV_END,
626 .end = AB8500_INT_GP_SW_ADC_CONV_END,
627 .flags = IORESOURCE_IRQ,
628 },
629 };
630
631 static struct resource ab8505_gpadc_resources[] = {
632 {
633 .name = "SW_CONV_END",
634 .start = AB8500_INT_GP_SW_ADC_CONV_END,
635 .end = AB8500_INT_GP_SW_ADC_CONV_END,
636 .flags = IORESOURCE_IRQ,
637 },
638 };
639
640 static struct resource ab8500_rtc_resources[] = {
641 {
642 .name = "60S",
643 .start = AB8500_INT_RTC_60S,
644 .end = AB8500_INT_RTC_60S,
645 .flags = IORESOURCE_IRQ,
646 },
647 {
648 .name = "ALARM",
649 .start = AB8500_INT_RTC_ALARM,
650 .end = AB8500_INT_RTC_ALARM,
651 .flags = IORESOURCE_IRQ,
652 },
653 };
654
655 static struct resource ab8540_rtc_resources[] = {
656 {
657 .name = "1S",
658 .start = AB8540_INT_RTC_1S,
659 .end = AB8540_INT_RTC_1S,
660 .flags = IORESOURCE_IRQ,
661 },
662 {
663 .name = "ALARM",
664 .start = AB8500_INT_RTC_ALARM,
665 .end = AB8500_INT_RTC_ALARM,
666 .flags = IORESOURCE_IRQ,
667 },
668 };
669
670 static struct resource ab8500_poweronkey_db_resources[] = {
671 {
672 .name = "ONKEY_DBF",
673 .start = AB8500_INT_PON_KEY1DB_F,
674 .end = AB8500_INT_PON_KEY1DB_F,
675 .flags = IORESOURCE_IRQ,
676 },
677 {
678 .name = "ONKEY_DBR",
679 .start = AB8500_INT_PON_KEY1DB_R,
680 .end = AB8500_INT_PON_KEY1DB_R,
681 .flags = IORESOURCE_IRQ,
682 },
683 };
684
685 static struct resource ab8500_av_acc_detect_resources[] = {
686 {
687 .name = "ACC_DETECT_1DB_F",
688 .start = AB8500_INT_ACC_DETECT_1DB_F,
689 .end = AB8500_INT_ACC_DETECT_1DB_F,
690 .flags = IORESOURCE_IRQ,
691 },
692 {
693 .name = "ACC_DETECT_1DB_R",
694 .start = AB8500_INT_ACC_DETECT_1DB_R,
695 .end = AB8500_INT_ACC_DETECT_1DB_R,
696 .flags = IORESOURCE_IRQ,
697 },
698 {
699 .name = "ACC_DETECT_21DB_F",
700 .start = AB8500_INT_ACC_DETECT_21DB_F,
701 .end = AB8500_INT_ACC_DETECT_21DB_F,
702 .flags = IORESOURCE_IRQ,
703 },
704 {
705 .name = "ACC_DETECT_21DB_R",
706 .start = AB8500_INT_ACC_DETECT_21DB_R,
707 .end = AB8500_INT_ACC_DETECT_21DB_R,
708 .flags = IORESOURCE_IRQ,
709 },
710 {
711 .name = "ACC_DETECT_22DB_F",
712 .start = AB8500_INT_ACC_DETECT_22DB_F,
713 .end = AB8500_INT_ACC_DETECT_22DB_F,
714 .flags = IORESOURCE_IRQ,
715 },
716 {
717 .name = "ACC_DETECT_22DB_R",
718 .start = AB8500_INT_ACC_DETECT_22DB_R,
719 .end = AB8500_INT_ACC_DETECT_22DB_R,
720 .flags = IORESOURCE_IRQ,
721 },
722 };
723
724 static struct resource ab8500_charger_resources[] = {
725 {
726 .name = "MAIN_CH_UNPLUG_DET",
727 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
728 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
729 .flags = IORESOURCE_IRQ,
730 },
731 {
732 .name = "MAIN_CHARGE_PLUG_DET",
733 .start = AB8500_INT_MAIN_CH_PLUG_DET,
734 .end = AB8500_INT_MAIN_CH_PLUG_DET,
735 .flags = IORESOURCE_IRQ,
736 },
737 {
738 .name = "VBUS_DET_R",
739 .start = AB8500_INT_VBUS_DET_R,
740 .end = AB8500_INT_VBUS_DET_R,
741 .flags = IORESOURCE_IRQ,
742 },
743 {
744 .name = "VBUS_DET_F",
745 .start = AB8500_INT_VBUS_DET_F,
746 .end = AB8500_INT_VBUS_DET_F,
747 .flags = IORESOURCE_IRQ,
748 },
749 {
750 .name = "USB_LINK_STATUS",
751 .start = AB8500_INT_USB_LINK_STATUS,
752 .end = AB8500_INT_USB_LINK_STATUS,
753 .flags = IORESOURCE_IRQ,
754 },
755 {
756 .name = "VBUS_OVV",
757 .start = AB8500_INT_VBUS_OVV,
758 .end = AB8500_INT_VBUS_OVV,
759 .flags = IORESOURCE_IRQ,
760 },
761 {
762 .name = "USB_CH_TH_PROT_R",
763 .start = AB8500_INT_USB_CH_TH_PROT_R,
764 .end = AB8500_INT_USB_CH_TH_PROT_R,
765 .flags = IORESOURCE_IRQ,
766 },
767 {
768 .name = "USB_CH_TH_PROT_F",
769 .start = AB8500_INT_USB_CH_TH_PROT_F,
770 .end = AB8500_INT_USB_CH_TH_PROT_F,
771 .flags = IORESOURCE_IRQ,
772 },
773 {
774 .name = "MAIN_EXT_CH_NOT_OK",
775 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
776 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
777 .flags = IORESOURCE_IRQ,
778 },
779 {
780 .name = "MAIN_CH_TH_PROT_R",
781 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
782 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
783 .flags = IORESOURCE_IRQ,
784 },
785 {
786 .name = "MAIN_CH_TH_PROT_F",
787 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
788 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
789 .flags = IORESOURCE_IRQ,
790 },
791 {
792 .name = "USB_CHARGER_NOT_OKR",
793 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
794 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
795 .flags = IORESOURCE_IRQ,
796 },
797 {
798 .name = "CH_WD_EXP",
799 .start = AB8500_INT_CH_WD_EXP,
800 .end = AB8500_INT_CH_WD_EXP,
801 .flags = IORESOURCE_IRQ,
802 },
803 {
804 .name = "VBUS_CH_DROP_END",
805 .start = AB8500_INT_VBUS_CH_DROP_END,
806 .end = AB8500_INT_VBUS_CH_DROP_END,
807 .flags = IORESOURCE_IRQ,
808 },
809 };
810
811 static struct resource ab8500_btemp_resources[] = {
812 {
813 .name = "BAT_CTRL_INDB",
814 .start = AB8500_INT_BAT_CTRL_INDB,
815 .end = AB8500_INT_BAT_CTRL_INDB,
816 .flags = IORESOURCE_IRQ,
817 },
818 {
819 .name = "BTEMP_LOW",
820 .start = AB8500_INT_BTEMP_LOW,
821 .end = AB8500_INT_BTEMP_LOW,
822 .flags = IORESOURCE_IRQ,
823 },
824 {
825 .name = "BTEMP_HIGH",
826 .start = AB8500_INT_BTEMP_HIGH,
827 .end = AB8500_INT_BTEMP_HIGH,
828 .flags = IORESOURCE_IRQ,
829 },
830 {
831 .name = "BTEMP_LOW_MEDIUM",
832 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
833 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
834 .flags = IORESOURCE_IRQ,
835 },
836 {
837 .name = "BTEMP_MEDIUM_HIGH",
838 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
839 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
840 .flags = IORESOURCE_IRQ,
841 },
842 };
843
844 static struct resource ab8500_fg_resources[] = {
845 {
846 .name = "NCONV_ACCU",
847 .start = AB8500_INT_CCN_CONV_ACC,
848 .end = AB8500_INT_CCN_CONV_ACC,
849 .flags = IORESOURCE_IRQ,
850 },
851 {
852 .name = "BATT_OVV",
853 .start = AB8500_INT_BATT_OVV,
854 .end = AB8500_INT_BATT_OVV,
855 .flags = IORESOURCE_IRQ,
856 },
857 {
858 .name = "LOW_BAT_F",
859 .start = AB8500_INT_LOW_BAT_F,
860 .end = AB8500_INT_LOW_BAT_F,
861 .flags = IORESOURCE_IRQ,
862 },
863 {
864 .name = "LOW_BAT_R",
865 .start = AB8500_INT_LOW_BAT_R,
866 .end = AB8500_INT_LOW_BAT_R,
867 .flags = IORESOURCE_IRQ,
868 },
869 {
870 .name = "CC_INT_CALIB",
871 .start = AB8500_INT_CC_INT_CALIB,
872 .end = AB8500_INT_CC_INT_CALIB,
873 .flags = IORESOURCE_IRQ,
874 },
875 {
876 .name = "CCEOC",
877 .start = AB8500_INT_CCEOC,
878 .end = AB8500_INT_CCEOC,
879 .flags = IORESOURCE_IRQ,
880 },
881 };
882
883 static struct resource ab8500_chargalg_resources[] = {};
884
885 #ifdef CONFIG_DEBUG_FS
886 static struct resource ab8500_debug_resources[] = {
887 {
888 .name = "IRQ_AB8500",
889 /*
890 * Number will be filled in. NOTE: this is deliberately
891 * not flagged as an IRQ in ordet to avoid remapping using
892 * the irqdomain in the MFD core, so that this IRQ passes
893 * unremapped to the debug code.
894 */
895 },
896 {
897 .name = "IRQ_FIRST",
898 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
899 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
900 .flags = IORESOURCE_IRQ,
901 },
902 {
903 .name = "IRQ_LAST",
904 .start = AB8500_INT_XTAL32K_KO,
905 .end = AB8500_INT_XTAL32K_KO,
906 .flags = IORESOURCE_IRQ,
907 },
908 };
909 #endif
910
911 static struct resource ab8500_usb_resources[] = {
912 {
913 .name = "ID_WAKEUP_R",
914 .start = AB8500_INT_ID_WAKEUP_R,
915 .end = AB8500_INT_ID_WAKEUP_R,
916 .flags = IORESOURCE_IRQ,
917 },
918 {
919 .name = "ID_WAKEUP_F",
920 .start = AB8500_INT_ID_WAKEUP_F,
921 .end = AB8500_INT_ID_WAKEUP_F,
922 .flags = IORESOURCE_IRQ,
923 },
924 {
925 .name = "VBUS_DET_F",
926 .start = AB8500_INT_VBUS_DET_F,
927 .end = AB8500_INT_VBUS_DET_F,
928 .flags = IORESOURCE_IRQ,
929 },
930 {
931 .name = "VBUS_DET_R",
932 .start = AB8500_INT_VBUS_DET_R,
933 .end = AB8500_INT_VBUS_DET_R,
934 .flags = IORESOURCE_IRQ,
935 },
936 {
937 .name = "USB_LINK_STATUS",
938 .start = AB8500_INT_USB_LINK_STATUS,
939 .end = AB8500_INT_USB_LINK_STATUS,
940 .flags = IORESOURCE_IRQ,
941 },
942 {
943 .name = "USB_ADP_PROBE_PLUG",
944 .start = AB8500_INT_ADP_PROBE_PLUG,
945 .end = AB8500_INT_ADP_PROBE_PLUG,
946 .flags = IORESOURCE_IRQ,
947 },
948 {
949 .name = "USB_ADP_PROBE_UNPLUG",
950 .start = AB8500_INT_ADP_PROBE_UNPLUG,
951 .end = AB8500_INT_ADP_PROBE_UNPLUG,
952 .flags = IORESOURCE_IRQ,
953 },
954 };
955
956 static struct resource ab8505_iddet_resources[] = {
957 {
958 .name = "KeyDeglitch",
959 .start = AB8505_INT_KEYDEGLITCH,
960 .end = AB8505_INT_KEYDEGLITCH,
961 .flags = IORESOURCE_IRQ,
962 },
963 {
964 .name = "KP",
965 .start = AB8505_INT_KP,
966 .end = AB8505_INT_KP,
967 .flags = IORESOURCE_IRQ,
968 },
969 {
970 .name = "IKP",
971 .start = AB8505_INT_IKP,
972 .end = AB8505_INT_IKP,
973 .flags = IORESOURCE_IRQ,
974 },
975 {
976 .name = "IKR",
977 .start = AB8505_INT_IKR,
978 .end = AB8505_INT_IKR,
979 .flags = IORESOURCE_IRQ,
980 },
981 {
982 .name = "KeyStuck",
983 .start = AB8505_INT_KEYSTUCK,
984 .end = AB8505_INT_KEYSTUCK,
985 .flags = IORESOURCE_IRQ,
986 },
987 {
988 .name = "VBUS_DET_R",
989 .start = AB8500_INT_VBUS_DET_R,
990 .end = AB8500_INT_VBUS_DET_R,
991 .flags = IORESOURCE_IRQ,
992 },
993 {
994 .name = "VBUS_DET_F",
995 .start = AB8500_INT_VBUS_DET_F,
996 .end = AB8500_INT_VBUS_DET_F,
997 .flags = IORESOURCE_IRQ,
998 },
999 {
1000 .name = "ID_DET_PLUGR",
1001 .start = AB8500_INT_ID_DET_PLUGR,
1002 .end = AB8500_INT_ID_DET_PLUGR,
1003 .flags = IORESOURCE_IRQ,
1004 },
1005 {
1006 .name = "ID_DET_PLUGF",
1007 .start = AB8500_INT_ID_DET_PLUGF,
1008 .end = AB8500_INT_ID_DET_PLUGF,
1009 .flags = IORESOURCE_IRQ,
1010 },
1011 };
1012
1013 static struct resource ab8500_temp_resources[] = {
1014 {
1015 .name = "ABX500_TEMP_WARM",
1016 .start = AB8500_INT_TEMP_WARM,
1017 .end = AB8500_INT_TEMP_WARM,
1018 .flags = IORESOURCE_IRQ,
1019 },
1020 };
1021
1022 static const struct mfd_cell ab8500_bm_devs[] = {
1023 {
1024 .name = "ab8500-charger",
1025 .of_compatible = "stericsson,ab8500-charger",
1026 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1027 .resources = ab8500_charger_resources,
1028 .platform_data = &ab8500_bm_data,
1029 .pdata_size = sizeof(ab8500_bm_data),
1030 },
1031 {
1032 .name = "ab8500-btemp",
1033 .of_compatible = "stericsson,ab8500-btemp",
1034 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1035 .resources = ab8500_btemp_resources,
1036 .platform_data = &ab8500_bm_data,
1037 .pdata_size = sizeof(ab8500_bm_data),
1038 },
1039 {
1040 .name = "ab8500-fg",
1041 .of_compatible = "stericsson,ab8500-fg",
1042 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1043 .resources = ab8500_fg_resources,
1044 .platform_data = &ab8500_bm_data,
1045 .pdata_size = sizeof(ab8500_bm_data),
1046 },
1047 {
1048 .name = "ab8500-chargalg",
1049 .of_compatible = "stericsson,ab8500-chargalg",
1050 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1051 .resources = ab8500_chargalg_resources,
1052 .platform_data = &ab8500_bm_data,
1053 .pdata_size = sizeof(ab8500_bm_data),
1054 },
1055 };
1056
1057 static const struct mfd_cell ab8500_devs[] = {
1058 #ifdef CONFIG_DEBUG_FS
1059 {
1060 .name = "ab8500-debug",
1061 .of_compatible = "stericsson,ab8500-debug",
1062 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1063 .resources = ab8500_debug_resources,
1064 },
1065 #endif
1066 {
1067 .name = "ab8500-sysctrl",
1068 .of_compatible = "stericsson,ab8500-sysctrl",
1069 },
1070 {
1071 .name = "ab8500-ext-regulator",
1072 .of_compatible = "stericsson,ab8500-ext-regulator",
1073 },
1074 {
1075 .name = "ab8500-regulator",
1076 .of_compatible = "stericsson,ab8500-regulator",
1077 },
1078 {
1079 .name = "abx500-clk",
1080 .of_compatible = "stericsson,abx500-clk",
1081 },
1082 {
1083 .name = "ab8500-gpadc",
1084 .of_compatible = "stericsson,ab8500-gpadc",
1085 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1086 .resources = ab8500_gpadc_resources,
1087 },
1088 {
1089 .name = "ab8500-rtc",
1090 .of_compatible = "stericsson,ab8500-rtc",
1091 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1092 .resources = ab8500_rtc_resources,
1093 },
1094 {
1095 .name = "ab8500-acc-det",
1096 .of_compatible = "stericsson,ab8500-acc-det",
1097 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1098 .resources = ab8500_av_acc_detect_resources,
1099 },
1100 {
1101
1102 .name = "ab8500-poweron-key",
1103 .of_compatible = "stericsson,ab8500-poweron-key",
1104 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1105 .resources = ab8500_poweronkey_db_resources,
1106 },
1107 {
1108 .name = "ab8500-pwm",
1109 .of_compatible = "stericsson,ab8500-pwm",
1110 .id = 1,
1111 },
1112 {
1113 .name = "ab8500-pwm",
1114 .of_compatible = "stericsson,ab8500-pwm",
1115 .id = 2,
1116 },
1117 {
1118 .name = "ab8500-pwm",
1119 .of_compatible = "stericsson,ab8500-pwm",
1120 .id = 3,
1121 },
1122 {
1123 .name = "ab8500-denc",
1124 .of_compatible = "stericsson,ab8500-denc",
1125 },
1126 {
1127 .name = "pinctrl-ab8500",
1128 .of_compatible = "stericsson,ab8500-gpio",
1129 },
1130 {
1131 .name = "abx500-temp",
1132 .of_compatible = "stericsson,abx500-temp",
1133 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1134 .resources = ab8500_temp_resources,
1135 },
1136 {
1137 .name = "ab8500-usb",
1138 .of_compatible = "stericsson,ab8500-usb",
1139 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1140 .resources = ab8500_usb_resources,
1141 },
1142 {
1143 .name = "ab8500-codec",
1144 .of_compatible = "stericsson,ab8500-codec",
1145 },
1146 };
1147
1148 static const struct mfd_cell ab9540_devs[] = {
1149 #ifdef CONFIG_DEBUG_FS
1150 {
1151 .name = "ab8500-debug",
1152 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1153 .resources = ab8500_debug_resources,
1154 },
1155 #endif
1156 {
1157 .name = "ab8500-sysctrl",
1158 },
1159 {
1160 .name = "ab8500-ext-regulator",
1161 },
1162 {
1163 .name = "ab8500-regulator",
1164 },
1165 {
1166 .name = "abx500-clk",
1167 .of_compatible = "stericsson,abx500-clk",
1168 },
1169 {
1170 .name = "ab8500-gpadc",
1171 .of_compatible = "stericsson,ab8500-gpadc",
1172 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1173 .resources = ab8500_gpadc_resources,
1174 },
1175 {
1176 .name = "ab8500-rtc",
1177 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1178 .resources = ab8500_rtc_resources,
1179 },
1180 {
1181 .name = "ab8500-acc-det",
1182 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1183 .resources = ab8500_av_acc_detect_resources,
1184 },
1185 {
1186 .name = "ab8500-poweron-key",
1187 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1188 .resources = ab8500_poweronkey_db_resources,
1189 },
1190 {
1191 .name = "ab8500-pwm",
1192 .id = 1,
1193 },
1194 {
1195 .name = "abx500-temp",
1196 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1197 .resources = ab8500_temp_resources,
1198 },
1199 {
1200 .name = "pinctrl-ab9540",
1201 .of_compatible = "stericsson,ab9540-gpio",
1202 },
1203 {
1204 .name = "ab9540-usb",
1205 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1206 .resources = ab8500_usb_resources,
1207 },
1208 {
1209 .name = "ab9540-codec",
1210 },
1211 {
1212 .name = "ab-iddet",
1213 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1214 .resources = ab8505_iddet_resources,
1215 },
1216 };
1217
1218 /* Device list for ab8505 */
1219 static const struct mfd_cell ab8505_devs[] = {
1220 #ifdef CONFIG_DEBUG_FS
1221 {
1222 .name = "ab8500-debug",
1223 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1224 .resources = ab8500_debug_resources,
1225 },
1226 #endif
1227 {
1228 .name = "ab8500-sysctrl",
1229 },
1230 {
1231 .name = "ab8500-regulator",
1232 },
1233 {
1234 .name = "abx500-clk",
1235 .of_compatible = "stericsson,abx500-clk",
1236 },
1237 {
1238 .name = "ab8500-gpadc",
1239 .of_compatible = "stericsson,ab8500-gpadc",
1240 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1241 .resources = ab8505_gpadc_resources,
1242 },
1243 {
1244 .name = "ab8500-rtc",
1245 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1246 .resources = ab8500_rtc_resources,
1247 },
1248 {
1249 .name = "ab8500-acc-det",
1250 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1251 .resources = ab8500_av_acc_detect_resources,
1252 },
1253 {
1254 .name = "ab8500-poweron-key",
1255 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1256 .resources = ab8500_poweronkey_db_resources,
1257 },
1258 {
1259 .name = "ab8500-pwm",
1260 .id = 1,
1261 },
1262 {
1263 .name = "pinctrl-ab8505",
1264 },
1265 {
1266 .name = "ab8500-usb",
1267 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1268 .resources = ab8500_usb_resources,
1269 },
1270 {
1271 .name = "ab8500-codec",
1272 },
1273 {
1274 .name = "ab-iddet",
1275 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1276 .resources = ab8505_iddet_resources,
1277 },
1278 };
1279
1280 static const struct mfd_cell ab8540_devs[] = {
1281 #ifdef CONFIG_DEBUG_FS
1282 {
1283 .name = "ab8500-debug",
1284 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1285 .resources = ab8500_debug_resources,
1286 },
1287 #endif
1288 {
1289 .name = "ab8500-sysctrl",
1290 },
1291 {
1292 .name = "ab8500-ext-regulator",
1293 },
1294 {
1295 .name = "ab8500-regulator",
1296 },
1297 {
1298 .name = "abx500-clk",
1299 .of_compatible = "stericsson,abx500-clk",
1300 },
1301 {
1302 .name = "ab8500-gpadc",
1303 .of_compatible = "stericsson,ab8500-gpadc",
1304 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1305 .resources = ab8505_gpadc_resources,
1306 },
1307 {
1308 .name = "ab8500-acc-det",
1309 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1310 .resources = ab8500_av_acc_detect_resources,
1311 },
1312 {
1313 .name = "ab8500-poweron-key",
1314 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1315 .resources = ab8500_poweronkey_db_resources,
1316 },
1317 {
1318 .name = "ab8500-pwm",
1319 .id = 1,
1320 },
1321 {
1322 .name = "abx500-temp",
1323 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1324 .resources = ab8500_temp_resources,
1325 },
1326 {
1327 .name = "pinctrl-ab8540",
1328 },
1329 {
1330 .name = "ab8540-usb",
1331 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1332 .resources = ab8500_usb_resources,
1333 },
1334 {
1335 .name = "ab8540-codec",
1336 },
1337 {
1338 .name = "ab-iddet",
1339 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1340 .resources = ab8505_iddet_resources,
1341 },
1342 };
1343
1344 static const struct mfd_cell ab8540_cut1_devs[] = {
1345 {
1346 .name = "ab8500-rtc",
1347 .of_compatible = "stericsson,ab8500-rtc",
1348 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1349 .resources = ab8500_rtc_resources,
1350 },
1351 };
1352
1353 static const struct mfd_cell ab8540_cut2_devs[] = {
1354 {
1355 .name = "ab8540-rtc",
1356 .of_compatible = "stericsson,ab8540-rtc",
1357 .num_resources = ARRAY_SIZE(ab8540_rtc_resources),
1358 .resources = ab8540_rtc_resources,
1359 },
1360 };
1361
1362 static ssize_t show_chip_id(struct device *dev,
1363 struct device_attribute *attr, char *buf)
1364 {
1365 struct ab8500 *ab8500;
1366
1367 ab8500 = dev_get_drvdata(dev);
1368
1369 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1370 }
1371
1372 /*
1373 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1374 * 0x01 Swoff bit programming
1375 * 0x02 Thermal protection activation
1376 * 0x04 Vbat lower then BattOk falling threshold
1377 * 0x08 Watchdog expired
1378 * 0x10 Non presence of 32kHz clock
1379 * 0x20 Battery level lower than power on reset threshold
1380 * 0x40 Power on key 1 pressed longer than 10 seconds
1381 * 0x80 DB8500 thermal shutdown
1382 */
1383 static ssize_t show_switch_off_status(struct device *dev,
1384 struct device_attribute *attr, char *buf)
1385 {
1386 int ret;
1387 u8 value;
1388 struct ab8500 *ab8500;
1389
1390 ab8500 = dev_get_drvdata(dev);
1391 ret = get_register_interruptible(ab8500, AB8500_RTC,
1392 AB8500_SWITCH_OFF_STATUS, &value);
1393 if (ret < 0)
1394 return ret;
1395 return sprintf(buf, "%#x\n", value);
1396 }
1397
1398 /* use mask and set to override the register turn_on_stat value */
1399 void ab8500_override_turn_on_stat(u8 mask, u8 set)
1400 {
1401 spin_lock(&on_stat_lock);
1402 turn_on_stat_mask = mask;
1403 turn_on_stat_set = set;
1404 spin_unlock(&on_stat_lock);
1405 }
1406
1407 /*
1408 * ab8500 has turned on due to (TURN_ON_STATUS):
1409 * 0x01 PORnVbat
1410 * 0x02 PonKey1dbF
1411 * 0x04 PonKey2dbF
1412 * 0x08 RTCAlarm
1413 * 0x10 MainChDet
1414 * 0x20 VbusDet
1415 * 0x40 UsbIDDetect
1416 * 0x80 Reserved
1417 */
1418 static ssize_t show_turn_on_status(struct device *dev,
1419 struct device_attribute *attr, char *buf)
1420 {
1421 int ret;
1422 u8 value;
1423 struct ab8500 *ab8500;
1424
1425 ab8500 = dev_get_drvdata(dev);
1426 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1427 AB8500_TURN_ON_STATUS, &value);
1428 if (ret < 0)
1429 return ret;
1430
1431 /*
1432 * In L9540, turn_on_status register is not updated correctly if
1433 * the device is rebooted with AC/USB charger connected. Due to
1434 * this, the device boots android instead of entering into charge
1435 * only mode. Read the AC/USB status register to detect the charger
1436 * presence and update the turn on status manually.
1437 */
1438 if (is_ab9540(ab8500)) {
1439 spin_lock(&on_stat_lock);
1440 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1441 spin_unlock(&on_stat_lock);
1442 }
1443
1444 return sprintf(buf, "%#x\n", value);
1445 }
1446
1447 static ssize_t show_turn_on_status_2(struct device *dev,
1448 struct device_attribute *attr, char *buf)
1449 {
1450 int ret;
1451 u8 value;
1452 struct ab8500 *ab8500;
1453
1454 ab8500 = dev_get_drvdata(dev);
1455 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1456 AB8505_TURN_ON_STATUS_2, &value);
1457 if (ret < 0)
1458 return ret;
1459 return sprintf(buf, "%#x\n", (value & 0x1));
1460 }
1461
1462 static ssize_t show_ab9540_dbbrstn(struct device *dev,
1463 struct device_attribute *attr, char *buf)
1464 {
1465 struct ab8500 *ab8500;
1466 int ret;
1467 u8 value;
1468
1469 ab8500 = dev_get_drvdata(dev);
1470
1471 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1472 AB9540_MODEM_CTRL2_REG, &value);
1473 if (ret < 0)
1474 return ret;
1475
1476 return sprintf(buf, "%d\n",
1477 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1478 }
1479
1480 static ssize_t store_ab9540_dbbrstn(struct device *dev,
1481 struct device_attribute *attr, const char *buf, size_t count)
1482 {
1483 struct ab8500 *ab8500;
1484 int ret = count;
1485 int err;
1486 u8 bitvalues;
1487
1488 ab8500 = dev_get_drvdata(dev);
1489
1490 if (count > 0) {
1491 switch (buf[0]) {
1492 case '0':
1493 bitvalues = 0;
1494 break;
1495 case '1':
1496 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1497 break;
1498 default:
1499 goto exit;
1500 }
1501
1502 err = mask_and_set_register_interruptible(ab8500,
1503 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1504 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1505 if (err)
1506 dev_info(ab8500->dev,
1507 "Failed to set DBBRSTN %c, err %#x\n",
1508 buf[0], err);
1509 }
1510
1511 exit:
1512 return ret;
1513 }
1514
1515 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
1516 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
1517 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
1518 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
1519 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1520 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
1521
1522 static struct attribute *ab8500_sysfs_entries[] = {
1523 &dev_attr_chip_id.attr,
1524 &dev_attr_switch_off_status.attr,
1525 &dev_attr_turn_on_status.attr,
1526 NULL,
1527 };
1528
1529 static struct attribute *ab8505_sysfs_entries[] = {
1530 &dev_attr_turn_on_status_2.attr,
1531 NULL,
1532 };
1533
1534 static struct attribute *ab9540_sysfs_entries[] = {
1535 &dev_attr_chip_id.attr,
1536 &dev_attr_switch_off_status.attr,
1537 &dev_attr_turn_on_status.attr,
1538 &dev_attr_dbbrstn.attr,
1539 NULL,
1540 };
1541
1542 static struct attribute_group ab8500_attr_group = {
1543 .attrs = ab8500_sysfs_entries,
1544 };
1545
1546 static struct attribute_group ab8505_attr_group = {
1547 .attrs = ab8505_sysfs_entries,
1548 };
1549
1550 static struct attribute_group ab9540_attr_group = {
1551 .attrs = ab9540_sysfs_entries,
1552 };
1553
1554 static int ab8500_probe(struct platform_device *pdev)
1555 {
1556 static const char *switch_off_status[] = {
1557 "Swoff bit programming",
1558 "Thermal protection activation",
1559 "Vbat lower then BattOk falling threshold",
1560 "Watchdog expired",
1561 "Non presence of 32kHz clock",
1562 "Battery level lower than power on reset threshold",
1563 "Power on key 1 pressed longer than 10 seconds",
1564 "DB8500 thermal shutdown"};
1565 static const char *turn_on_status[] = {
1566 "Battery rising (Vbat)",
1567 "Power On Key 1 dbF",
1568 "Power On Key 2 dbF",
1569 "RTC Alarm",
1570 "Main Charger Detect",
1571 "Vbus Detect (USB)",
1572 "USB ID Detect",
1573 "UART Factory Mode Detect"};
1574 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1575 const struct platform_device_id *platid = platform_get_device_id(pdev);
1576 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1577 struct device_node *np = pdev->dev.of_node;
1578 struct ab8500 *ab8500;
1579 struct resource *resource;
1580 int ret;
1581 int i;
1582 u8 value;
1583
1584 ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL);
1585 if (!ab8500)
1586 return -ENOMEM;
1587
1588 ab8500->dev = &pdev->dev;
1589
1590 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1591 if (!resource) {
1592 dev_err(&pdev->dev, "no IRQ resource\n");
1593 return -ENODEV;
1594 }
1595
1596 ab8500->irq = resource->start;
1597
1598 ab8500->read = ab8500_prcmu_read;
1599 ab8500->write = ab8500_prcmu_write;
1600 ab8500->write_masked = ab8500_prcmu_write_masked;
1601
1602 mutex_init(&ab8500->lock);
1603 mutex_init(&ab8500->irq_lock);
1604 atomic_set(&ab8500->transfer_ongoing, 0);
1605
1606 platform_set_drvdata(pdev, ab8500);
1607
1608 if (platid)
1609 version = platid->driver_data;
1610
1611 if (version != AB8500_VERSION_UNDEFINED)
1612 ab8500->version = version;
1613 else {
1614 ret = get_register_interruptible(ab8500, AB8500_MISC,
1615 AB8500_IC_NAME_REG, &value);
1616 if (ret < 0) {
1617 dev_err(&pdev->dev, "could not probe HW\n");
1618 return ret;
1619 }
1620
1621 ab8500->version = value;
1622 }
1623
1624 ret = get_register_interruptible(ab8500, AB8500_MISC,
1625 AB8500_REV_REG, &value);
1626 if (ret < 0)
1627 return ret;
1628
1629 ab8500->chip_id = value;
1630
1631 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1632 ab8500_version_str[ab8500->version],
1633 ab8500->chip_id >> 4,
1634 ab8500->chip_id & 0x0F);
1635
1636 /* Configure AB8540 */
1637 if (is_ab8540(ab8500)) {
1638 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1639 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1640 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
1641 } /* Configure AB8500 or AB9540 IRQ */
1642 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
1643 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1644 ab8500->irq_reg_offset = ab9540_irq_regoffset;
1645 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1646 } else {
1647 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1648 ab8500->irq_reg_offset = ab8500_irq_regoffset;
1649 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
1650 }
1651 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1652 GFP_KERNEL);
1653 if (!ab8500->mask)
1654 return -ENOMEM;
1655 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1656 GFP_KERNEL);
1657 if (!ab8500->oldmask)
1658 return -ENOMEM;
1659
1660 /*
1661 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1662 * 0x01 Swoff bit programming
1663 * 0x02 Thermal protection activation
1664 * 0x04 Vbat lower then BattOk falling threshold
1665 * 0x08 Watchdog expired
1666 * 0x10 Non presence of 32kHz clock
1667 * 0x20 Battery level lower than power on reset threshold
1668 * 0x40 Power on key 1 pressed longer than 10 seconds
1669 * 0x80 DB8500 thermal shutdown
1670 */
1671
1672 ret = get_register_interruptible(ab8500, AB8500_RTC,
1673 AB8500_SWITCH_OFF_STATUS, &value);
1674 if (ret < 0)
1675 return ret;
1676 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1677
1678 if (value) {
1679 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1680 if (value & 1)
1681 pr_cont(" \"%s\"", switch_off_status[i]);
1682 value = value >> 1;
1683
1684 }
1685 pr_cont("\n");
1686 } else {
1687 pr_cont(" None\n");
1688 }
1689 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1690 AB8500_TURN_ON_STATUS, &value);
1691 if (ret < 0)
1692 return ret;
1693 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1694
1695 if (value) {
1696 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1697 if (value & 1)
1698 pr_cont("\"%s\" ", turn_on_status[i]);
1699 value = value >> 1;
1700 }
1701 pr_cont("\n");
1702 } else {
1703 pr_cont("None\n");
1704 }
1705
1706 if (plat && plat->init)
1707 plat->init(ab8500);
1708
1709 if (is_ab9540(ab8500)) {
1710 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1711 AB8500_CH_USBCH_STAT1_REG, &value);
1712 if (ret < 0)
1713 return ret;
1714 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1715 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1716 AB8500_VBUS_DET);
1717 }
1718
1719 /* Clear and mask all interrupts */
1720 for (i = 0; i < ab8500->mask_size; i++) {
1721 /*
1722 * Interrupt register 12 doesn't exist prior to AB8500 version
1723 * 2.0
1724 */
1725 if (ab8500->irq_reg_offset[i] == 11 &&
1726 is_ab8500_1p1_or_earlier(ab8500))
1727 continue;
1728
1729 if (ab8500->irq_reg_offset[i] < 0)
1730 continue;
1731
1732 get_register_interruptible(ab8500, AB8500_INTERRUPT,
1733 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
1734 &value);
1735 set_register_interruptible(ab8500, AB8500_INTERRUPT,
1736 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
1737 }
1738
1739 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1740 if (ret)
1741 return ret;
1742
1743 for (i = 0; i < ab8500->mask_size; i++)
1744 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1745
1746 ret = ab8500_irq_init(ab8500, np);
1747 if (ret)
1748 return ret;
1749
1750 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1751 ab8500_hierarchical_irq,
1752 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1753 "ab8500", ab8500);
1754 if (ret)
1755 return ret;
1756
1757 #ifdef CONFIG_DEBUG_FS
1758 /* Pass to debugfs */
1759 ab8500_debug_resources[0].start = ab8500->irq;
1760 ab8500_debug_resources[0].end = ab8500->irq;
1761 #endif
1762
1763 if (is_ab9540(ab8500))
1764 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1765 ARRAY_SIZE(ab9540_devs), NULL,
1766 0, ab8500->domain);
1767 else if (is_ab8540(ab8500)) {
1768 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1769 ARRAY_SIZE(ab8540_devs), NULL,
1770 0, ab8500->domain);
1771 if (ret)
1772 return ret;
1773
1774 if (is_ab8540_1p2_or_earlier(ab8500))
1775 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
1776 ARRAY_SIZE(ab8540_cut1_devs), NULL,
1777 0, ab8500->domain);
1778 else /* ab8540 >= cut2 */
1779 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
1780 ARRAY_SIZE(ab8540_cut2_devs), NULL,
1781 0, ab8500->domain);
1782 } else if (is_ab8505(ab8500))
1783 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1784 ARRAY_SIZE(ab8505_devs), NULL,
1785 0, ab8500->domain);
1786 else
1787 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1788 ARRAY_SIZE(ab8500_devs), NULL,
1789 0, ab8500->domain);
1790 if (ret)
1791 return ret;
1792
1793 if (!no_bm) {
1794 /* Add battery management devices */
1795 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1796 ARRAY_SIZE(ab8500_bm_devs), NULL,
1797 0, ab8500->domain);
1798 if (ret)
1799 dev_err(ab8500->dev, "error adding bm devices\n");
1800 }
1801
1802 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1803 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1804 ret = sysfs_create_group(&ab8500->dev->kobj,
1805 &ab9540_attr_group);
1806 else
1807 ret = sysfs_create_group(&ab8500->dev->kobj,
1808 &ab8500_attr_group);
1809
1810 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1811 ab8500->chip_id >= AB8500_CUT2P0)
1812 ret = sysfs_create_group(&ab8500->dev->kobj,
1813 &ab8505_attr_group);
1814
1815 if (ret)
1816 dev_err(ab8500->dev, "error creating sysfs entries\n");
1817
1818 return ret;
1819 }
1820
1821 static int ab8500_remove(struct platform_device *pdev)
1822 {
1823 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1824
1825 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1826 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
1827 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1828 else
1829 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
1830
1831 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1832 ab8500->chip_id >= AB8500_CUT2P0)
1833 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1834
1835 mfd_remove_devices(ab8500->dev);
1836
1837 return 0;
1838 }
1839
1840 static const struct platform_device_id ab8500_id[] = {
1841 { "ab8500-core", AB8500_VERSION_AB8500 },
1842 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1843 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1844 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1845 { }
1846 };
1847
1848 static struct platform_driver ab8500_core_driver = {
1849 .driver = {
1850 .name = "ab8500-core",
1851 },
1852 .probe = ab8500_probe,
1853 .remove = ab8500_remove,
1854 .id_table = ab8500_id,
1855 };
1856
1857 static int __init ab8500_core_init(void)
1858 {
1859 return platform_driver_register(&ab8500_core_driver);
1860 }
1861
1862 static void __exit ab8500_core_exit(void)
1863 {
1864 platform_driver_unregister(&ab8500_core_driver);
1865 }
1866 core_initcall(ab8500_core_init);
1867 module_exit(ab8500_core_exit);
1868
1869 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
1870 MODULE_DESCRIPTION("AB8500 MFD core");
1871 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support