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qlcnic: using too much stack
[wandboard.git] / drivers / mfd / 88pm860x-core.c
blob2c65a2c57294bf00aca078072253ea7d140c94e8
1 /*
2 * Base driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/i2c.h>
15 #include <linux/irq.h>
16 #include <linux/interrupt.h>
17 #include <linux/platform_device.h>
18 #include <linux/mfd/core.h>
19 #include <linux/mfd/88pm860x.h>
20
21 #define INT_STATUS_NUM 3
22
23 char pm860x_backlight_name[][MFD_NAME_SIZE] = {
24 "backlight-0",
25 "backlight-1",
26 "backlight-2",
27 };
28 EXPORT_SYMBOL(pm860x_backlight_name);
29
30 char pm860x_led_name[][MFD_NAME_SIZE] = {
31 "led0-red",
32 "led0-green",
33 "led0-blue",
34 "led1-red",
35 "led1-green",
36 "led1-blue",
37 };
38 EXPORT_SYMBOL(pm860x_led_name);
39
40 #define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
41 { \
42 .name = pm860x_backlight_name[_i], \
43 .start = PM8606_##_x, \
44 .end = PM8606_##_x, \
45 .flags = IORESOURCE_IO, \
46 }
47
48 static struct resource backlight_resources[] = {
49 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
50 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
51 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
52 };
53
54 #define PM8606_BACKLIGHT_DEVS(_i) \
55 { \
56 .name = "88pm860x-backlight", \
57 .num_resources = 1, \
58 .resources = &backlight_resources[_i], \
59 .id = _i, \
60 }
61
62 static struct mfd_cell backlight_devs[] = {
63 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
64 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
65 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
66 };
67
68 #define PM8606_LED_RESOURCE(_i, _x) \
69 { \
70 .name = pm860x_led_name[_i], \
71 .start = PM8606_##_x, \
72 .end = PM8606_##_x, \
73 .flags = IORESOURCE_IO, \
74 }
75
76 static struct resource led_resources[] = {
77 PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
78 PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
79 PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
80 PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
81 PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
82 PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
83 };
84
85 #define PM8606_LED_DEVS(_i) \
86 { \
87 .name = "88pm860x-led", \
88 .num_resources = 1, \
89 .resources = &led_resources[_i], \
90 .id = _i, \
91 }
92
93 static struct mfd_cell led_devs[] = {
94 PM8606_LED_DEVS(PM8606_LED1_RED),
95 PM8606_LED_DEVS(PM8606_LED1_GREEN),
96 PM8606_LED_DEVS(PM8606_LED1_BLUE),
97 PM8606_LED_DEVS(PM8606_LED2_RED),
98 PM8606_LED_DEVS(PM8606_LED2_GREEN),
99 PM8606_LED_DEVS(PM8606_LED2_BLUE),
100 };
101
102 static struct resource touch_resources[] = {
103 {
104 .start = PM8607_IRQ_PEN,
105 .end = PM8607_IRQ_PEN,
106 .flags = IORESOURCE_IRQ,
107 },
108 };
109
110 static struct mfd_cell touch_devs[] = {
111 {
112 .name = "88pm860x-touch",
113 .num_resources = 1,
114 .resources = &touch_resources[0],
115 },
116 };
117
118 #define PM8607_REG_RESOURCE(_start, _end) \
119 { \
120 .start = PM8607_##_start, \
121 .end = PM8607_##_end, \
122 .flags = IORESOURCE_IO, \
123 }
124
125 static struct resource power_supply_resources[] = {
126 {
127 .name = "88pm860x-power",
128 .start = PM8607_IRQ_CHG,
129 .end = PM8607_IRQ_CHG,
130 .flags = IORESOURCE_IRQ,
131 },
132 };
133
134 static struct mfd_cell power_devs[] = {
135 {
136 .name = "88pm860x-power",
137 .num_resources = 1,
138 .resources = &power_supply_resources[0],
139 .id = -1,
140 },
141 };
142
143 static struct resource onkey_resources[] = {
144 {
145 .name = "88pm860x-onkey",
146 .start = PM8607_IRQ_ONKEY,
147 .end = PM8607_IRQ_ONKEY,
148 .flags = IORESOURCE_IRQ,
149 },
150 };
151
152 static struct mfd_cell onkey_devs[] = {
153 {
154 .name = "88pm860x-onkey",
155 .num_resources = 1,
156 .resources = &onkey_resources[0],
157 .id = -1,
158 },
159 };
160
161 static struct resource regulator_resources[] = {
162 PM8607_REG_RESOURCE(BUCK1, BUCK1),
163 PM8607_REG_RESOURCE(BUCK2, BUCK2),
164 PM8607_REG_RESOURCE(BUCK3, BUCK3),
165 PM8607_REG_RESOURCE(LDO1, LDO1),
166 PM8607_REG_RESOURCE(LDO2, LDO2),
167 PM8607_REG_RESOURCE(LDO3, LDO3),
168 PM8607_REG_RESOURCE(LDO4, LDO4),
169 PM8607_REG_RESOURCE(LDO5, LDO5),
170 PM8607_REG_RESOURCE(LDO6, LDO6),
171 PM8607_REG_RESOURCE(LDO7, LDO7),
172 PM8607_REG_RESOURCE(LDO8, LDO8),
173 PM8607_REG_RESOURCE(LDO9, LDO9),
174 PM8607_REG_RESOURCE(LDO10, LDO10),
175 PM8607_REG_RESOURCE(LDO12, LDO12),
176 PM8607_REG_RESOURCE(VIBRATOR_SET, VIBRATOR_SET),
177 PM8607_REG_RESOURCE(LDO14, LDO14),
178 };
179
180 #define PM8607_REG_DEVS(_id) \
181 { \
182 .name = "88pm860x-regulator", \
183 .num_resources = 1, \
184 .resources = &regulator_resources[PM8607_ID_##_id], \
185 .id = PM8607_ID_##_id, \
186 }
187
188 static struct mfd_cell regulator_devs[] = {
189 PM8607_REG_DEVS(BUCK1),
190 PM8607_REG_DEVS(BUCK2),
191 PM8607_REG_DEVS(BUCK3),
192 PM8607_REG_DEVS(LDO1),
193 PM8607_REG_DEVS(LDO2),
194 PM8607_REG_DEVS(LDO3),
195 PM8607_REG_DEVS(LDO4),
196 PM8607_REG_DEVS(LDO5),
197 PM8607_REG_DEVS(LDO6),
198 PM8607_REG_DEVS(LDO7),
199 PM8607_REG_DEVS(LDO8),
200 PM8607_REG_DEVS(LDO9),
201 PM8607_REG_DEVS(LDO10),
202 PM8607_REG_DEVS(LDO12),
203 PM8607_REG_DEVS(LDO13),
204 PM8607_REG_DEVS(LDO14),
205 };
206
207 struct pm860x_irq_data {
208 int reg;
209 int mask_reg;
210 int enable; /* enable or not */
211 int offs; /* bit offset in mask register */
212 };
213
214 static struct pm860x_irq_data pm860x_irqs[] = {
215 [PM8607_IRQ_ONKEY] = {
216 .reg = PM8607_INT_STATUS1,
217 .mask_reg = PM8607_INT_MASK_1,
218 .offs = 1 << 0,
219 },
220 [PM8607_IRQ_EXTON] = {
221 .reg = PM8607_INT_STATUS1,
222 .mask_reg = PM8607_INT_MASK_1,
223 .offs = 1 << 1,
224 },
225 [PM8607_IRQ_CHG] = {
226 .reg = PM8607_INT_STATUS1,
227 .mask_reg = PM8607_INT_MASK_1,
228 .offs = 1 << 2,
229 },
230 [PM8607_IRQ_BAT] = {
231 .reg = PM8607_INT_STATUS1,
232 .mask_reg = PM8607_INT_MASK_1,
233 .offs = 1 << 3,
234 },
235 [PM8607_IRQ_RTC] = {
236 .reg = PM8607_INT_STATUS1,
237 .mask_reg = PM8607_INT_MASK_1,
238 .offs = 1 << 4,
239 },
240 [PM8607_IRQ_CC] = {
241 .reg = PM8607_INT_STATUS1,
242 .mask_reg = PM8607_INT_MASK_1,
243 .offs = 1 << 5,
244 },
245 [PM8607_IRQ_VBAT] = {
246 .reg = PM8607_INT_STATUS2,
247 .mask_reg = PM8607_INT_MASK_2,
248 .offs = 1 << 0,
249 },
250 [PM8607_IRQ_VCHG] = {
251 .reg = PM8607_INT_STATUS2,
252 .mask_reg = PM8607_INT_MASK_2,
253 .offs = 1 << 1,
254 },
255 [PM8607_IRQ_VSYS] = {
256 .reg = PM8607_INT_STATUS2,
257 .mask_reg = PM8607_INT_MASK_2,
258 .offs = 1 << 2,
259 },
260 [PM8607_IRQ_TINT] = {
261 .reg = PM8607_INT_STATUS2,
262 .mask_reg = PM8607_INT_MASK_2,
263 .offs = 1 << 3,
264 },
265 [PM8607_IRQ_GPADC0] = {
266 .reg = PM8607_INT_STATUS2,
267 .mask_reg = PM8607_INT_MASK_2,
268 .offs = 1 << 4,
269 },
270 [PM8607_IRQ_GPADC1] = {
271 .reg = PM8607_INT_STATUS2,
272 .mask_reg = PM8607_INT_MASK_2,
273 .offs = 1 << 5,
274 },
275 [PM8607_IRQ_GPADC2] = {
276 .reg = PM8607_INT_STATUS2,
277 .mask_reg = PM8607_INT_MASK_2,
278 .offs = 1 << 6,
279 },
280 [PM8607_IRQ_GPADC3] = {
281 .reg = PM8607_INT_STATUS2,
282 .mask_reg = PM8607_INT_MASK_2,
283 .offs = 1 << 7,
284 },
285 [PM8607_IRQ_AUDIO_SHORT] = {
286 .reg = PM8607_INT_STATUS3,
287 .mask_reg = PM8607_INT_MASK_3,
288 .offs = 1 << 0,
289 },
290 [PM8607_IRQ_PEN] = {
291 .reg = PM8607_INT_STATUS3,
292 .mask_reg = PM8607_INT_MASK_3,
293 .offs = 1 << 1,
294 },
295 [PM8607_IRQ_HEADSET] = {
296 .reg = PM8607_INT_STATUS3,
297 .mask_reg = PM8607_INT_MASK_3,
298 .offs = 1 << 2,
299 },
300 [PM8607_IRQ_HOOK] = {
301 .reg = PM8607_INT_STATUS3,
302 .mask_reg = PM8607_INT_MASK_3,
303 .offs = 1 << 3,
304 },
305 [PM8607_IRQ_MICIN] = {
306 .reg = PM8607_INT_STATUS3,
307 .mask_reg = PM8607_INT_MASK_3,
308 .offs = 1 << 4,
309 },
310 [PM8607_IRQ_CHG_FAIL] = {
311 .reg = PM8607_INT_STATUS3,
312 .mask_reg = PM8607_INT_MASK_3,
313 .offs = 1 << 5,
314 },
315 [PM8607_IRQ_CHG_DONE] = {
316 .reg = PM8607_INT_STATUS3,
317 .mask_reg = PM8607_INT_MASK_3,
318 .offs = 1 << 6,
319 },
320 [PM8607_IRQ_CHG_FAULT] = {
321 .reg = PM8607_INT_STATUS3,
322 .mask_reg = PM8607_INT_MASK_3,
323 .offs = 1 << 7,
324 },
325 };
326
327 static inline struct pm860x_irq_data *irq_to_pm860x(struct pm860x_chip *chip,
328 int irq)
329 {
330 return &pm860x_irqs[irq - chip->irq_base];
331 }
332
333 static irqreturn_t pm860x_irq(int irq, void *data)
334 {
335 struct pm860x_chip *chip = data;
336 struct pm860x_irq_data *irq_data;
337 struct i2c_client *i2c;
338 int read_reg = -1, value = 0;
339 int i;
340
341 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
342 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
343 irq_data = &pm860x_irqs[i];
344 if (read_reg != irq_data->reg) {
345 read_reg = irq_data->reg;
346 value = pm860x_reg_read(i2c, irq_data->reg);
347 }
348 if (value & irq_data->enable)
349 handle_nested_irq(chip->irq_base + i);
350 }
351 return IRQ_HANDLED;
352 }
353
354 static void pm860x_irq_lock(unsigned int irq)
355 {
356 struct pm860x_chip *chip = get_irq_chip_data(irq);
357
358 mutex_lock(&chip->irq_lock);
359 }
360
361 static void pm860x_irq_sync_unlock(unsigned int irq)
362 {
363 struct pm860x_chip *chip = get_irq_chip_data(irq);
364 struct pm860x_irq_data *irq_data;
365 struct i2c_client *i2c;
366 static unsigned char cached[3] = {0x0, 0x0, 0x0};
367 unsigned char mask[3];
368 int i;
369
370 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
371 /* Load cached value. In initial, all IRQs are masked */
372 for (i = 0; i < 3; i++)
373 mask[i] = cached[i];
374 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
375 irq_data = &pm860x_irqs[i];
376 switch (irq_data->mask_reg) {
377 case PM8607_INT_MASK_1:
378 mask[0] &= ~irq_data->offs;
379 mask[0] |= irq_data->enable;
380 break;
381 case PM8607_INT_MASK_2:
382 mask[1] &= ~irq_data->offs;
383 mask[1] |= irq_data->enable;
384 break;
385 case PM8607_INT_MASK_3:
386 mask[2] &= ~irq_data->offs;
387 mask[2] |= irq_data->enable;
388 break;
389 default:
390 dev_err(chip->dev, "wrong IRQ\n");
391 break;
392 }
393 }
394 /* update mask into registers */
395 for (i = 0; i < 3; i++) {
396 if (mask[i] != cached[i]) {
397 cached[i] = mask[i];
398 pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
399 }
400 }
401
402 mutex_unlock(&chip->irq_lock);
403 }
404
405 static void pm860x_irq_enable(unsigned int irq)
406 {
407 struct pm860x_chip *chip = get_irq_chip_data(irq);
408 pm860x_irqs[irq - chip->irq_base].enable
409 = pm860x_irqs[irq - chip->irq_base].offs;
410 }
411
412 static void pm860x_irq_disable(unsigned int irq)
413 {
414 struct pm860x_chip *chip = get_irq_chip_data(irq);
415 pm860x_irqs[irq - chip->irq_base].enable = 0;
416 }
417
418 static struct irq_chip pm860x_irq_chip = {
419 .name = "88pm860x",
420 .bus_lock = pm860x_irq_lock,
421 .bus_sync_unlock = pm860x_irq_sync_unlock,
422 .enable = pm860x_irq_enable,
423 .disable = pm860x_irq_disable,
424 };
425
426 static int __devinit device_gpadc_init(struct pm860x_chip *chip,
427 struct pm860x_platform_data *pdata)
428 {
429 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
430 : chip->companion;
431 int use_gpadc = 0, data, ret;
432
433 /* initialize GPADC without activating it */
434
435 if (pdata && pdata->touch) {
436 /* set GPADC MISC1 register */
437 data = 0;
438 data |= (pdata->touch->gpadc_prebias << 1)
439 & PM8607_GPADC_PREBIAS_MASK;
440 data |= (pdata->touch->slot_cycle << 3)
441 & PM8607_GPADC_SLOT_CYCLE_MASK;
442 data |= (pdata->touch->off_scale << 5)
443 & PM8607_GPADC_OFF_SCALE_MASK;
444 data |= (pdata->touch->sw_cal << 7)
445 & PM8607_GPADC_SW_CAL_MASK;
446 if (data) {
447 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
448 if (ret < 0)
449 goto out;
450 }
451 /* set tsi prebias time */
452 if (pdata->touch->tsi_prebias) {
453 data = pdata->touch->tsi_prebias;
454 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
455 if (ret < 0)
456 goto out;
457 }
458 /* set prebias & prechg time of pen detect */
459 data = 0;
460 data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
461 data |= (pdata->touch->pen_prechg << 5)
462 & PM8607_PD_PRECHG_MASK;
463 if (data) {
464 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
465 if (ret < 0)
466 goto out;
467 }
468
469 use_gpadc = 1;
470 }
471
472 /* turn on GPADC */
473 if (use_gpadc) {
474 ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
475 PM8607_GPADC_EN, PM8607_GPADC_EN);
476 }
477 out:
478 return ret;
479 }
480
481 static int __devinit device_irq_init(struct pm860x_chip *chip,
482 struct pm860x_platform_data *pdata)
483 {
484 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
485 : chip->companion;
486 unsigned char status_buf[INT_STATUS_NUM];
487 unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
488 struct irq_desc *desc;
489 int i, data, mask, ret = -EINVAL;
490 int __irq;
491
492 if (!pdata || !pdata->irq_base) {
493 dev_warn(chip->dev, "No interrupt support on IRQ base\n");
494 return -EINVAL;
495 }
496
497 mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
498 | PM8607_B0_MISC1_INT_MASK;
499 data = 0;
500 chip->irq_mode = 0;
501 if (pdata && pdata->irq_mode) {
502 /*
503 * irq_mode defines the way of clearing interrupt. If it's 1,
504 * clear IRQ by write. Otherwise, clear it by read.
505 * This control bit is valid from 88PM8607 B0 steping.
506 */
507 data |= PM8607_B0_MISC1_INT_CLEAR;
508 chip->irq_mode = 1;
509 }
510 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
511 if (ret < 0)
512 goto out;
513
514 /* mask all IRQs */
515 memset(status_buf, 0, INT_STATUS_NUM);
516 ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
517 INT_STATUS_NUM, status_buf);
518 if (ret < 0)
519 goto out;
520
521 if (chip->irq_mode) {
522 /* clear interrupt status by write */
523 memset(status_buf, 0xFF, INT_STATUS_NUM);
524 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
525 INT_STATUS_NUM, status_buf);
526 } else {
527 /* clear interrupt status by read */
528 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
529 INT_STATUS_NUM, status_buf);
530 }
531 if (ret < 0)
532 goto out;
533
534 mutex_init(&chip->irq_lock);
535 chip->irq_base = pdata->irq_base;
536 chip->core_irq = i2c->irq;
537 if (!chip->core_irq)
538 goto out;
539
540 desc = irq_to_desc(chip->core_irq);
541
542 /* register IRQ by genirq */
543 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
544 __irq = i + chip->irq_base;
545 set_irq_chip_data(__irq, chip);
546 set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
547 handle_edge_irq);
548 set_irq_nested_thread(__irq, 1);
549 #ifdef CONFIG_ARM
550 set_irq_flags(__irq, IRQF_VALID);
551 #else
552 set_irq_noprobe(__irq);
553 #endif
554 }
555
556 ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
557 "88pm860x", chip);
558 if (ret) {
559 dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
560 chip->core_irq = 0;
561 }
562
563 return 0;
564 out:
565 chip->core_irq = 0;
566 return ret;
567 }
568
569 static void device_irq_exit(struct pm860x_chip *chip)
570 {
571 if (chip->core_irq)
572 free_irq(chip->core_irq, chip);
573 }
574
575 static void __devinit device_8606_init(struct pm860x_chip *chip,
576 struct i2c_client *i2c,
577 struct pm860x_platform_data *pdata)
578 {
579 int ret;
580
581 if (pdata && pdata->backlight) {
582 ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
583 ARRAY_SIZE(backlight_devs),
584 &backlight_resources[0], 0);
585 if (ret < 0) {
586 dev_err(chip->dev, "Failed to add backlight "
587 "subdev\n");
588 goto out_dev;
589 }
590 }
591
592 if (pdata && pdata->led) {
593 ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
594 ARRAY_SIZE(led_devs),
595 &led_resources[0], 0);
596 if (ret < 0) {
597 dev_err(chip->dev, "Failed to add led "
598 "subdev\n");
599 goto out_dev;
600 }
601 }
602 return;
603 out_dev:
604 mfd_remove_devices(chip->dev);
605 device_irq_exit(chip);
606 }
607
608 static void __devinit device_8607_init(struct pm860x_chip *chip,
609 struct i2c_client *i2c,
610 struct pm860x_platform_data *pdata)
611 {
612 int data, ret;
613
614 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
615 if (ret < 0) {
616 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
617 goto out;
618 }
619 if ((ret & PM8607_VERSION_MASK) == PM8607_VERSION)
620 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
621 ret);
622 else {
623 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
624 "Chip ID: %02x\n", ret);
625 goto out;
626 }
627
628 ret = pm860x_reg_read(i2c, PM8607_BUCK3);
629 if (ret < 0) {
630 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
631 goto out;
632 }
633 if (ret & PM8607_BUCK3_DOUBLE)
634 chip->buck3_double = 1;
635
636 ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
637 if (ret < 0) {
638 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
639 goto out;
640 }
641
642 if (pdata && (pdata->i2c_port == PI2C_PORT))
643 data = PM8607_B0_MISC1_PI2C;
644 else
645 data = 0;
646 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
647 if (ret < 0) {
648 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
649 goto out;
650 }
651
652 ret = device_gpadc_init(chip, pdata);
653 if (ret < 0)
654 goto out;
655
656 ret = device_irq_init(chip, pdata);
657 if (ret < 0)
658 goto out;
659
660 ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
661 ARRAY_SIZE(regulator_devs),
662 &regulator_resources[0], 0);
663 if (ret < 0) {
664 dev_err(chip->dev, "Failed to add regulator subdev\n");
665 goto out_dev;
666 }
667
668 if (pdata && pdata->touch) {
669 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
670 ARRAY_SIZE(touch_devs),
671 &touch_resources[0], 0);
672 if (ret < 0) {
673 dev_err(chip->dev, "Failed to add touch "
674 "subdev\n");
675 goto out_dev;
676 }
677 }
678
679 if (pdata && pdata->power) {
680 ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
681 ARRAY_SIZE(power_devs),
682 &power_supply_resources[0], 0);
683 if (ret < 0) {
684 dev_err(chip->dev, "Failed to add power supply "
685 "subdev\n");
686 goto out_dev;
687 }
688 }
689
690 ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
691 ARRAY_SIZE(onkey_devs),
692 &onkey_resources[0], 0);
693 if (ret < 0) {
694 dev_err(chip->dev, "Failed to add onkey subdev\n");
695 goto out_dev;
696 }
697
698 return;
699 out_dev:
700 mfd_remove_devices(chip->dev);
701 device_irq_exit(chip);
702 out:
703 return;
704 }
705
706 int __devinit pm860x_device_init(struct pm860x_chip *chip,
707 struct pm860x_platform_data *pdata)
708 {
709 chip->core_irq = 0;
710
711 switch (chip->id) {
712 case CHIP_PM8606:
713 device_8606_init(chip, chip->client, pdata);
714 break;
715 case CHIP_PM8607:
716 device_8607_init(chip, chip->client, pdata);
717 break;
718 }
719
720 if (chip->companion) {
721 switch (chip->id) {
722 case CHIP_PM8607:
723 device_8606_init(chip, chip->companion, pdata);
724 break;
725 case CHIP_PM8606:
726 device_8607_init(chip, chip->companion, pdata);
727 break;
728 }
729 }
730
731 return 0;
732 }
733
734 void __devexit pm860x_device_exit(struct pm860x_chip *chip)
735 {
736 device_irq_exit(chip);
737 mfd_remove_devices(chip->dev);
738 }
739
740 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
741 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
742 MODULE_LICENSE("GPL");
WandBoard kernel