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13#include <linux/kernel.h>
14#include <linux/module.h>
15#include <linux/platform_device.h>
16#include <linux/slab.h>
17#include <linux/power_supply.h>
18#include <linux/mfd/88pm860x.h>
19#include <linux/delay.h>
20#include <linux/uaccess.h>
21#include <asm/div64.h>
22
23
24#define STATUS2_CHG (1 << 2)
25
26
27#define RESET_SW_PD (1 << 7)
28
29
30#define PREREG1_90MA (0x0)
31#define PREREG1_180MA (0x1)
32#define PREREG1_450MA (0x4)
33#define PREREG1_540MA (0x5)
34#define PREREG1_1350MA (0xE)
35#define PREREG1_VSYS_4_5V (3 << 4)
36
37
38#define CC1_MODE_OFF (0)
39#define CC1_MODE_PRECHARGE (1)
40#define CC1_MODE_FASTCHARGE (2)
41#define CC1_MODE_PULSECHARGE (3)
42#define CC1_ITERM_20MA (0 << 2)
43#define CC1_ITERM_60MA (2 << 2)
44#define CC1_VFCHG_4_2V (9 << 4)
45
46
47#define CC2_ICHG_100MA (0x1)
48#define CC2_ICHG_500MA (0x9)
49#define CC2_ICHG_1000MA (0x13)
50
51
52#define CC3_180MIN_TIMEOUT (0x6 << 4)
53#define CC3_270MIN_TIMEOUT (0x7 << 4)
54#define CC3_360MIN_TIMEOUT (0xA << 4)
55#define CC3_DISABLE_TIMEOUT (0xF << 4)
56
57
58#define CC4_IPRE_40MA (7)
59#define CC4_VPCHG_3_2V (3 << 4)
60#define CC4_IFCHG_MON_EN (1 << 6)
61#define CC4_BTEMP_MON_EN (1 << 7)
62
63
64#define CC6_BAT_OV_EN (1 << 2)
65#define CC6_BAT_UV_EN (1 << 3)
66#define CC6_UV_VBAT_SET (0x3 << 6)
67
68
69#define CC7_BAT_REM_EN (1 << 3)
70#define CC7_IFSM_EN (1 << 7)
71
72
73#define MEAS1_VBAT (1 << 0)
74
75
76#define MEAS3_IBAT_EN (1 << 0)
77#define MEAS3_CC_EN (1 << 2)
78
79#define FSM_INIT 0
80#define FSM_DISCHARGE 1
81#define FSM_PRECHARGE 2
82#define FSM_FASTCHARGE 3
83
84#define PRECHARGE_THRESHOLD 3100
85#define POWEROFF_THRESHOLD 3400
86#define CHARGE_THRESHOLD 4000
87#define DISCHARGE_THRESHOLD 4180
88
89
90#define OVER_TEMP_FLAG (1 << 6)
91#define OVTEMP_AUTORECOVER (1 << 3)
92
93
94#define VCHG_NORMAL_LOW 4200
95#define VCHG_NORMAL_CHECK 5800
96#define VCHG_NORMAL_HIGH 6000
97#define VCHG_OVP_LOW 5500
98
99struct pm860x_charger_info {
100 struct pm860x_chip *chip;
101 struct i2c_client *i2c;
102 struct i2c_client *i2c_8606;
103 struct device *dev;
104
105 struct power_supply usb;
106 struct mutex lock;
107 int irq_nums;
108 int irq[7];
109 unsigned state:3;
110 unsigned online:1;
111 unsigned present:1;
112 unsigned allowed:1;
113};
114
115static char *pm860x_supplied_to[] = {
116 "battery-monitor",
117};
118
119static int measure_vchg(struct pm860x_charger_info *info, int *data)
120{
121 unsigned char buf[2];
122 int ret = 0;
123
124 ret = pm860x_bulk_read(info->i2c, PM8607_VCHG_MEAS1, 2, buf);
125 if (ret < 0)
126 return ret;
127
128 *data = ((buf[0] & 0xff) << 4) | (buf[1] & 0x0f);
129
130 *data = ((*data & 0xfff) * 9 * 125) >> 9;
131
132 dev_dbg(info->dev, "%s, vchg: %d mv\n", __func__, *data);
133
134 return ret;
135}
136
137static void set_vchg_threshold(struct pm860x_charger_info *info,
138 int min, int max)
139{
140 int data;
141
142
143 if (min <= 0)
144 data = 0;
145 else
146 data = (min << 5) / 1125;
147 pm860x_reg_write(info->i2c, PM8607_VCHG_LOWTH, data);
148 dev_dbg(info->dev, "VCHG_LOWTH:%dmv, 0x%x\n", min, data);
149
150 if (max <= 0)
151 data = 0xff;
152 else
153 data = (max << 5) / 1125;
154 pm860x_reg_write(info->i2c, PM8607_VCHG_HIGHTH, data);
155 dev_dbg(info->dev, "VCHG_HIGHTH:%dmv, 0x%x\n", max, data);
156
157}
158
159static void set_vbatt_threshold(struct pm860x_charger_info *info,
160 int min, int max)
161{
162 int data;
163
164
165 if (min <= 0)
166 data = 0;
167 else
168 data = (min << 5) / 675;
169 pm860x_reg_write(info->i2c, PM8607_VBAT_LOWTH, data);
170 dev_dbg(info->dev, "VBAT Min:%dmv, LOWTH:0x%x\n", min, data);
171
172 if (max <= 0)
173 data = 0xff;
174 else
175 data = (max << 5) / 675;
176 pm860x_reg_write(info->i2c, PM8607_VBAT_HIGHTH, data);
177 dev_dbg(info->dev, "VBAT Max:%dmv, HIGHTH:0x%x\n", max, data);
178
179 return;
180}
181
182static int start_precharge(struct pm860x_charger_info *info)
183{
184 int ret;
185
186 dev_dbg(info->dev, "Start Pre-charging!\n");
187 set_vbatt_threshold(info, 0, 0);
188
189 ret = pm860x_reg_write(info->i2c_8606, PM8606_PREREGULATORA,
190 PREREG1_1350MA | PREREG1_VSYS_4_5V);
191 if (ret < 0)
192 goto out;
193
194 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL1, 3,
195 CC1_MODE_OFF);
196 if (ret < 0)
197 goto out;
198
199 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL3, (0xf << 4),
200 CC3_270MIN_TIMEOUT);
201 if (ret < 0)
202 goto out;
203
204 ret = pm860x_reg_write(info->i2c, PM8607_CHG_CTRL4,
205 CC4_IPRE_40MA | CC4_VPCHG_3_2V |
206 CC4_IFCHG_MON_EN | CC4_BTEMP_MON_EN);
207 if (ret < 0)
208 goto out;
209 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL7,
210 CC7_BAT_REM_EN | CC7_IFSM_EN,
211 CC7_BAT_REM_EN | CC7_IFSM_EN);
212 if (ret < 0)
213 goto out;
214
215 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL1, 3,
216 CC1_MODE_PRECHARGE);
217out:
218 return ret;
219}
220
221static int start_fastcharge(struct pm860x_charger_info *info)
222{
223 int ret;
224
225 dev_dbg(info->dev, "Start Fast-charging!\n");
226
227
228 ret = pm860x_reg_write(info->i2c, PM8607_CHG_CTRL1,
229 CC1_MODE_OFF | CC1_ITERM_60MA |
230 CC1_VFCHG_4_2V);
231 if (ret < 0)
232 goto out;
233 ret = pm860x_reg_write(info->i2c_8606, PM8606_PREREGULATORA,
234 PREREG1_540MA | PREREG1_VSYS_4_5V);
235 if (ret < 0)
236 goto out;
237 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL2, 0x1f,
238 CC2_ICHG_500MA);
239 if (ret < 0)
240 goto out;
241
242 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL3, (0xf << 4),
243 CC3_270MIN_TIMEOUT);
244 if (ret < 0)
245 goto out;
246
247 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL4,
248 CC4_IFCHG_MON_EN | CC4_BTEMP_MON_EN,
249 CC4_IFCHG_MON_EN | CC4_BTEMP_MON_EN);
250 if (ret < 0)
251 goto out;
252 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL6,
253 CC6_BAT_OV_EN | CC6_BAT_UV_EN |
254 CC6_UV_VBAT_SET,
255 CC6_BAT_OV_EN | CC6_BAT_UV_EN |
256 CC6_UV_VBAT_SET);
257 if (ret < 0)
258 goto out;
259 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL7,
260 CC7_BAT_REM_EN | CC7_IFSM_EN,
261 CC7_BAT_REM_EN | CC7_IFSM_EN);
262 if (ret < 0)
263 goto out;
264
265 ret = pm860x_set_bits(info->i2c, PM8607_CHG_CTRL1, 3,
266 CC1_MODE_FASTCHARGE);
267
268 set_vchg_threshold(info, VCHG_NORMAL_LOW, VCHG_NORMAL_HIGH);
269out:
270 return ret;
271}
272
273static void stop_charge(struct pm860x_charger_info *info, int vbatt)
274{
275 dev_dbg(info->dev, "Stop charging!\n");
276 pm860x_set_bits(info->i2c, PM8607_CHG_CTRL1, 3, CC1_MODE_OFF);
277 if (vbatt > CHARGE_THRESHOLD && info->online)
278 set_vbatt_threshold(info, CHARGE_THRESHOLD, 0);
279}
280
281static void power_off_notification(struct pm860x_charger_info *info)
282{
283 dev_dbg(info->dev, "Power-off notification!\n");
284}
285
286static int set_charging_fsm(struct pm860x_charger_info *info)
287{
288 struct power_supply *psy;
289 union power_supply_propval data;
290 unsigned char fsm_state[][16] = { "init", "discharge", "precharge",
291 "fastcharge",
292 };
293 int ret;
294 int vbatt;
295
296 psy = power_supply_get_by_name(pm860x_supplied_to[0]);
297 if (!psy)
298 return -EINVAL;
299 ret = psy->get_property(psy, POWER_SUPPLY_PROP_VOLTAGE_NOW, &data);
300 if (ret)
301 return ret;
302 vbatt = data.intval / 1000;
303
304 ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT, &data);
305 if (ret)
306 return ret;
307
308 mutex_lock(&info->lock);
309 info->present = data.intval;
310
311 dev_dbg(info->dev, "Entering FSM:%s, Charger:%s, Battery:%s, "
312 "Allowed:%d\n",
313 &fsm_state[info->state][0],
314 (info->online) ? "online" : "N/A",
315 (info->present) ? "present" : "N/A", info->allowed);
316 dev_dbg(info->dev, "set_charging_fsm:vbatt:%d(mV)\n", vbatt);
317
318 switch (info->state) {
319 case FSM_INIT:
320 if (info->online && info->present && info->allowed) {
321 if (vbatt < PRECHARGE_THRESHOLD) {
322 info->state = FSM_PRECHARGE;
323 start_precharge(info);
324 } else if (vbatt > DISCHARGE_THRESHOLD) {
325 info->state = FSM_DISCHARGE;
326 stop_charge(info, vbatt);
327 } else if (vbatt < DISCHARGE_THRESHOLD) {
328 info->state = FSM_FASTCHARGE;
329 start_fastcharge(info);
330 }
331 } else {
332 if (vbatt < POWEROFF_THRESHOLD) {
333 power_off_notification(info);
334 } else {
335 info->state = FSM_DISCHARGE;
336 stop_charge(info, vbatt);
337 }
338 }
339 break;
340 case FSM_PRECHARGE:
341 if (info->online && info->present && info->allowed) {
342 if (vbatt > PRECHARGE_THRESHOLD) {
343 info->state = FSM_FASTCHARGE;
344 start_fastcharge(info);
345 }
346 } else {
347 info->state = FSM_DISCHARGE;
348 stop_charge(info, vbatt);
349 }
350 break;
351 case FSM_FASTCHARGE:
352 if (info->online && info->present && info->allowed) {
353 if (vbatt < PRECHARGE_THRESHOLD) {
354 info->state = FSM_PRECHARGE;
355 start_precharge(info);
356 }
357 } else {
358 info->state = FSM_DISCHARGE;
359 stop_charge(info, vbatt);
360 }
361 break;
362 case FSM_DISCHARGE:
363 if (info->online && info->present && info->allowed) {
364 if (vbatt < PRECHARGE_THRESHOLD) {
365 info->state = FSM_PRECHARGE;
366 start_precharge(info);
367 } else if (vbatt < DISCHARGE_THRESHOLD) {
368 info->state = FSM_FASTCHARGE;
369 start_fastcharge(info);
370 }
371 } else {
372 if (vbatt < POWEROFF_THRESHOLD)
373 power_off_notification(info);
374 else if (vbatt > CHARGE_THRESHOLD && info->online)
375 set_vbatt_threshold(info, CHARGE_THRESHOLD, 0);
376 }
377 break;
378 default:
379 dev_warn(info->dev, "FSM meets wrong state:%d\n",
380 info->state);
381 break;
382 }
383 dev_dbg(info->dev,
384 "Out FSM:%s, Charger:%s, Battery:%s, Allowed:%d\n",
385 &fsm_state[info->state][0],
386 (info->online) ? "online" : "N/A",
387 (info->present) ? "present" : "N/A", info->allowed);
388 mutex_unlock(&info->lock);
389
390 return 0;
391}
392
393static irqreturn_t pm860x_charger_handler(int irq, void *data)
394{
395 struct pm860x_charger_info *info = data;
396 int ret;
397
398 mutex_lock(&info->lock);
399 ret = pm860x_reg_read(info->i2c, PM8607_STATUS_2);
400 if (ret < 0) {
401 mutex_unlock(&info->lock);
402 goto out;
403 }
404 if (ret & STATUS2_CHG) {
405 info->online = 1;
406 info->allowed = 1;
407 } else {
408 info->online = 0;
409 info->allowed = 0;
410 }
411 mutex_unlock(&info->lock);
412 dev_dbg(info->dev, "%s, Charger:%s, Allowed:%d\n", __func__,
413 (info->online) ? "online" : "N/A", info->allowed);
414
415 set_charging_fsm(info);
416
417 power_supply_changed(&info->usb);
418out:
419 return IRQ_HANDLED;
420}
421
422static irqreturn_t pm860x_temp_handler(int irq, void *data)
423{
424 struct power_supply *psy;
425 struct pm860x_charger_info *info = data;
426 union power_supply_propval temp;
427 int value;
428 int ret;
429
430 psy = power_supply_get_by_name(pm860x_supplied_to[0]);
431 if (!psy)
432 goto out;
433 ret = psy->get_property(psy, POWER_SUPPLY_PROP_TEMP, &temp);
434 if (ret)
435 goto out;
436 value = temp.intval / 10;
437
438 mutex_lock(&info->lock);
439
440 if (value < -10 || value > 40)
441 info->allowed = 0;
442 else
443 info->allowed = 1;
444 dev_dbg(info->dev, "%s, Allowed: %d\n", __func__, info->allowed);
445 mutex_unlock(&info->lock);
446
447 set_charging_fsm(info);
448out:
449 return IRQ_HANDLED;
450}
451
452static irqreturn_t pm860x_exception_handler(int irq, void *data)
453{
454 struct pm860x_charger_info *info = data;
455
456 mutex_lock(&info->lock);
457 info->allowed = 0;
458 mutex_unlock(&info->lock);
459 dev_dbg(info->dev, "%s, irq: %d\n", __func__, irq);
460
461 set_charging_fsm(info);
462 return IRQ_HANDLED;
463}
464
465static irqreturn_t pm860x_done_handler(int irq, void *data)
466{
467 struct pm860x_charger_info *info = data;
468 struct power_supply *psy;
469 union power_supply_propval val;
470 int ret;
471 int vbatt;
472
473 mutex_lock(&info->lock);
474
475 if (info->state == FSM_PRECHARGE) {
476 info->allowed = 1;
477 goto out;
478 }
479
480
481
482
483 mdelay(5);
484 info->allowed = 0;
485 psy = power_supply_get_by_name(pm860x_supplied_to[0]);
486 if (!psy)
487 goto out;
488 ret = psy->get_property(psy, POWER_SUPPLY_PROP_VOLTAGE_NOW, &val);
489 if (ret)
490 goto out;
491 vbatt = val.intval / 1000;
492
493
494
495
496
497
498
499 ret = pm860x_reg_read(info->i2c, PM8607_STATUS_2);
500 if (ret < 0)
501 goto out;
502 if (vbatt > CHARGE_THRESHOLD && ret & STATUS2_CHG)
503 psy->set_property(psy, POWER_SUPPLY_PROP_CHARGE_FULL, &val);
504
505out:
506 mutex_unlock(&info->lock);
507 dev_dbg(info->dev, "%s, Allowed: %d\n", __func__, info->allowed);
508 set_charging_fsm(info);
509
510 return IRQ_HANDLED;
511}
512
513static irqreturn_t pm860x_vbattery_handler(int irq, void *data)
514{
515 struct pm860x_charger_info *info = data;
516
517 mutex_lock(&info->lock);
518
519 set_vbatt_threshold(info, 0, 0);
520
521 if (info->present && info->online)
522 info->allowed = 1;
523 else
524 info->allowed = 0;
525 mutex_unlock(&info->lock);
526 dev_dbg(info->dev, "%s, Allowed: %d\n", __func__, info->allowed);
527
528 set_charging_fsm(info);
529
530 return IRQ_HANDLED;
531}
532
533static irqreturn_t pm860x_vchg_handler(int irq, void *data)
534{
535 struct pm860x_charger_info *info = data;
536 int vchg = 0;
537
538 if (info->present)
539 goto out;
540
541 measure_vchg(info, &vchg);
542
543 mutex_lock(&info->lock);
544 if (!info->online) {
545 int status;
546
547 status = pm860x_reg_read(info->i2c_8606, PM8606_FLAGS);
548 if (status & OVER_TEMP_FLAG) {
549
550 pm860x_set_bits(info->i2c_8606, PM8606_FLAGS,
551 OVER_TEMP_FLAG, OVER_TEMP_FLAG);
552 pm860x_set_bits(info->i2c_8606,
553 PM8606_VSYS,
554 OVTEMP_AUTORECOVER,
555 OVTEMP_AUTORECOVER);
556 dev_dbg(info->dev,
557 "%s, pm8606 over-temp occure\n", __func__);
558 }
559 }
560
561 if (vchg > VCHG_NORMAL_CHECK) {
562 set_vchg_threshold(info, VCHG_OVP_LOW, 0);
563 info->allowed = 0;
564 dev_dbg(info->dev,
565 "%s,pm8607 over-vchg occure,vchg = %dmv\n",
566 __func__, vchg);
567 } else if (vchg < VCHG_OVP_LOW) {
568 set_vchg_threshold(info, VCHG_NORMAL_LOW,
569 VCHG_NORMAL_HIGH);
570 info->allowed = 1;
571 dev_dbg(info->dev,
572 "%s,pm8607 over-vchg recover,vchg = %dmv\n",
573 __func__, vchg);
574 }
575 mutex_unlock(&info->lock);
576
577 dev_dbg(info->dev, "%s, Allowed: %d\n", __func__, info->allowed);
578 set_charging_fsm(info);
579out:
580 return IRQ_HANDLED;
581}
582
583static int pm860x_usb_get_prop(struct power_supply *psy,
584 enum power_supply_property psp,
585 union power_supply_propval *val)
586{
587 struct pm860x_charger_info *info =
588 dev_get_drvdata(psy->dev->parent);
589
590 switch (psp) {
591 case POWER_SUPPLY_PROP_STATUS:
592 if (info->state == FSM_FASTCHARGE ||
593 info->state == FSM_PRECHARGE)
594 val->intval = POWER_SUPPLY_STATUS_CHARGING;
595 else
596 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
597 break;
598 case POWER_SUPPLY_PROP_ONLINE:
599 val->intval = info->online;
600 break;
601 default:
602 return -ENODEV;
603 }
604 return 0;
605}
606
607static enum power_supply_property pm860x_usb_props[] = {
608 POWER_SUPPLY_PROP_STATUS,
609 POWER_SUPPLY_PROP_ONLINE,
610};
611
612static int pm860x_init_charger(struct pm860x_charger_info *info)
613{
614 int ret;
615
616 ret = pm860x_reg_read(info->i2c, PM8607_STATUS_2);
617 if (ret < 0)
618 return ret;
619
620 mutex_lock(&info->lock);
621 info->state = FSM_INIT;
622 if (ret & STATUS2_CHG) {
623 info->online = 1;
624 info->allowed = 1;
625 } else {
626 info->online = 0;
627 info->allowed = 0;
628 }
629 mutex_unlock(&info->lock);
630
631 set_charging_fsm(info);
632 return 0;
633}
634
635static struct pm860x_irq_desc {
636 const char *name;
637 irqreturn_t (*handler)(int irq, void *data);
638} pm860x_irq_descs[] = {
639 { "usb supply detect", pm860x_charger_handler },
640 { "charge done", pm860x_done_handler },
641 { "charge timeout", pm860x_exception_handler },
642 { "charge fault", pm860x_exception_handler },
643 { "temperature", pm860x_temp_handler },
644 { "vbatt", pm860x_vbattery_handler },
645 { "vchg", pm860x_vchg_handler },
646};
647
648static int pm860x_charger_probe(struct platform_device *pdev)
649{
650 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
651 struct pm860x_charger_info *info;
652 int ret;
653 int count;
654 int i;
655 int j;
656
657 info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
658 if (!info)
659 return -ENOMEM;
660
661 count = pdev->num_resources;
662 for (i = 0, j = 0; i < count; i++) {
663 info->irq[j] = platform_get_irq(pdev, i);
664 if (info->irq[j] < 0)
665 continue;
666 j++;
667 }
668 info->irq_nums = j;
669
670 info->chip = chip;
671 info->i2c =
672 (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
673 info->i2c_8606 =
674 (chip->id == CHIP_PM8607) ? chip->companion : chip->client;
675 if (!info->i2c_8606) {
676 dev_err(&pdev->dev, "Missed I2C address of 88PM8606!\n");
677 ret = -EINVAL;
678 goto out;
679 }
680 info->dev = &pdev->dev;
681
682
683 set_vchg_threshold(info, VCHG_NORMAL_LOW, VCHG_OVP_LOW);
684
685 mutex_init(&info->lock);
686 platform_set_drvdata(pdev, info);
687
688 info->usb.name = "usb";
689 info->usb.type = POWER_SUPPLY_TYPE_USB;
690 info->usb.supplied_to = pm860x_supplied_to;
691 info->usb.num_supplicants = ARRAY_SIZE(pm860x_supplied_to);
692 info->usb.properties = pm860x_usb_props;
693 info->usb.num_properties = ARRAY_SIZE(pm860x_usb_props);
694 info->usb.get_property = pm860x_usb_get_prop;
695 ret = power_supply_register(&pdev->dev, &info->usb);
696 if (ret)
697 goto out;
698
699 pm860x_init_charger(info);
700
701 for (i = 0; i < ARRAY_SIZE(info->irq); i++) {
702 ret = request_threaded_irq(info->irq[i], NULL,
703 pm860x_irq_descs[i].handler,
704 IRQF_ONESHOT, pm860x_irq_descs[i].name, info);
705 if (ret < 0) {
706 dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
707 info->irq[i], ret);
708 goto out_irq;
709 }
710 }
711 return 0;
712
713out_irq:
714 while (--i >= 0)
715 free_irq(info->irq[i], info);
716out:
717 return ret;
718}
719
720static int pm860x_charger_remove(struct platform_device *pdev)
721{
722 struct pm860x_charger_info *info = platform_get_drvdata(pdev);
723 int i;
724
725 platform_set_drvdata(pdev, NULL);
726 power_supply_unregister(&info->usb);
727 free_irq(info->irq[0], info);
728 for (i = 0; i < info->irq_nums; i++)
729 free_irq(info->irq[i], info);
730 return 0;
731}
732
733static struct platform_driver pm860x_charger_driver = {
734 .driver = {
735 .name = "88pm860x-charger",
736 .owner = THIS_MODULE,
737 },
738 .probe = pm860x_charger_probe,
739 .remove = pm860x_charger_remove,
740};
741module_platform_driver(pm860x_charger_driver);
742
743MODULE_DESCRIPTION("Marvell 88PM860x Charger driver");
744MODULE_LICENSE("GPL");
745
