1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Core driver for TI TPS6586x PMIC family
*
* Copyright (c) 2010 CompuLab Ltd.
* Mike Rapoport <mike@compulab.co.il>
*
* Based on da903x.c.
* Copyright (C) 2008 Compulab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
* Copyright (C) 2006-2008 Marvell International Ltd.
* Eric Miao <eric.miao@marvell.com>
*/
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/regmap.h>
#include <linux/of.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
#define TPS6586X_SUPPLYENE 0x14
#define EXITSLREQ_BIT BIT(1)
#define SLEEP_MODE_BIT BIT(3)
/* interrupt control registers */
#define TPS6586X_INT_ACK1 0xb5
#define TPS6586X_INT_ACK2 0xb6
#define TPS6586X_INT_ACK3 0xb7
#define TPS6586X_INT_ACK4 0xb8
/* interrupt mask registers */
#define TPS6586X_INT_MASK1 0xb0
#define TPS6586X_INT_MASK2 0xb1
#define TPS6586X_INT_MASK3 0xb2
#define TPS6586X_INT_MASK4 0xb3
#define TPS6586X_INT_MASK5 0xb4
/* device id */
#define TPS6586X_VERSIONCRC 0xcd
/* Maximum register */
#define TPS6586X_MAX_REGISTER TPS6586X_VERSIONCRC
struct tps6586x_irq_data {
u8 mask_reg;
u8 mask_mask;
};
#define TPS6586X_IRQ(_reg, _mask) \
{ \
.mask_reg = (_reg) - TPS6586X_INT_MASK1, \
.mask_mask = (_mask), \
}
static const struct tps6586x_irq_data tps6586x_irqs[] = {
[TPS6586X_INT_PLDO_0] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 0),
[TPS6586X_INT_PLDO_1] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 1),
[TPS6586X_INT_PLDO_2] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 2),
[TPS6586X_INT_PLDO_3] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 3),
[TPS6586X_INT_PLDO_4] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 4),
[TPS6586X_INT_PLDO_5] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 5),
[TPS6586X_INT_PLDO_6] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 6),
[TPS6586X_INT_PLDO_7] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 7),
[TPS6586X_INT_COMP_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 0),
[TPS6586X_INT_ADC] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 1),
[TPS6586X_INT_PLDO_8] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 2),
[TPS6586X_INT_PLDO_9] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 3),
[TPS6586X_INT_PSM_0] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 4),
[TPS6586X_INT_PSM_1] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 5),
[TPS6586X_INT_PSM_2] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 6),
[TPS6586X_INT_PSM_3] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 7),
[TPS6586X_INT_RTC_ALM1] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 4),
[TPS6586X_INT_ACUSB_OVP] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 0x03),
[TPS6586X_INT_USB_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 2),
[TPS6586X_INT_AC_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 3),
[TPS6586X_INT_BAT_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 1 << 0),
[TPS6586X_INT_CHG_STAT] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 0xfc),
[TPS6586X_INT_CHG_TEMP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0x06),
[TPS6586X_INT_PP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0xf0),
[TPS6586X_INT_RESUME] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 5),
[TPS6586X_INT_LOW_SYS] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 6),
[TPS6586X_INT_RTC_ALM2] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 1),
};
static const struct resource tps6586x_rtc_resources[] = {
{
.start = TPS6586X_INT_RTC_ALM1,
.end = TPS6586X_INT_RTC_ALM1,
.flags = IORESOURCE_IRQ,
},
};
static const struct mfd_cell tps6586x_cell[] = {
{
.name = "tps6586x-gpio",
},
{
.name = "tps6586x-regulator",
},
{
.name = "tps6586x-rtc",
.num_resources = ARRAY_SIZE(tps6586x_rtc_resources),
.resources = &tps6586x_rtc_resources[0],
},
{
.name = "tps6586x-onkey",
},
};
struct tps6586x {
struct device *dev;
struct i2c_client *client;
struct regmap *regmap;
int version;
int irq;
struct irq_chip irq_chip;
struct mutex irq_lock;
int irq_base;
u32 irq_en;
u8 mask_reg[5];
struct irq_domain *irq_domain;
};
static inline struct tps6586x *dev_to_tps6586x(struct device *dev)
{
return i2c_get_clientdata(to_i2c_client(dev));
}
int tps6586x_write(struct device *dev, int reg, uint8_t val)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_write(tps6586x->regmap, reg, val);
}
EXPORT_SYMBOL_GPL(tps6586x_write);
int tps6586x_writes(struct device *dev, int reg, int len, uint8_t *val)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_bulk_write(tps6586x->regmap, reg, val, len);
}
EXPORT_SYMBOL_GPL(tps6586x_writes);
int tps6586x_read(struct device *dev, int reg, uint8_t *val)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
unsigned int rval;
int ret;
ret = regmap_read(tps6586x->regmap, reg, &rval);
if (!ret)
*val = rval;
return ret;
}
EXPORT_SYMBOL_GPL(tps6586x_read);
int tps6586x_reads(struct device *dev, int reg, int len, uint8_t *val)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_bulk_read(tps6586x->regmap, reg, val, len);
}
EXPORT_SYMBOL_GPL(tps6586x_reads);
int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_update_bits(tps6586x->regmap, reg, bit_mask, bit_mask);
}
EXPORT_SYMBOL_GPL(tps6586x_set_bits);
int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_update_bits(tps6586x->regmap, reg, bit_mask, 0);
}
EXPORT_SYMBOL_GPL(tps6586x_clr_bits);
int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return regmap_update_bits(tps6586x->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(tps6586x_update);
int tps6586x_irq_get_virq(struct device *dev, int irq)
{
struct tps6586x *tps6586x = dev_to_tps6586x(dev);
return irq_create_mapping(tps6586x->irq_domain, irq);
}
EXPORT_SYMBOL_GPL(tps6586x_irq_get_virq);
int tps6586x_get_version(struct device *dev)
{
struct tps6586x *tps6586x = dev_get_drvdata(dev);
return tps6586x->version;
}
EXPORT_SYMBOL_GPL(tps6586x_get_version);
static int __remove_subdev(struct device *dev, void *unused)
{
platform_device_unregister(to_platform_device(dev));
return 0;
}
static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
{
return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
}
static void tps6586x_irq_lock(struct irq_data *data)
{
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
mutex_lock(&tps6586x->irq_lock);
}
static void tps6586x_irq_enable(struct irq_data *irq_data)
{
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
unsigned int __irq = irq_data->hwirq;
const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
tps6586x->irq_en |= (1 << __irq);
}
static void tps6586x_irq_disable(struct irq_data *irq_data)
{
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
unsigned int __irq = irq_data->hwirq;
const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
tps6586x->irq_en &= ~(1 << __irq);
}
static void tps6586x_irq_sync_unlock(struct irq_data *data)
{
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
int ret;
ret = tps6586x_write(tps6586x->dev,
TPS6586X_INT_MASK1 + i,
tps6586x->mask_reg[i]);
WARN_ON(ret);
}
mutex_unlock(&tps6586x->irq_lock);
}
static int tps6586x_irq_set_wake(struct irq_data *irq_data, unsigned int on)
{
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
return irq_set_irq_wake(tps6586x->irq, on);
}
static struct irq_chip tps6586x_irq_chip = {
.name = "tps6586x",
.irq_bus_lock = tps6586x_irq_lock,
.irq_bus_sync_unlock = tps6586x_irq_sync_unlock,
.irq_disable = tps6586x_irq_disable,
.irq_enable = tps6586x_irq_enable,
.irq_set_wake = pm_sleep_ptr(tps6586x_irq_set_wake),
};
static int tps6586x_irq_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
struct tps6586x *tps6586x = h->host_data;
irq_set_chip_data(virq, tps6586x);
irq_set_chip_and_handler(virq, &tps6586x_irq_chip, handle_simple_irq);
irq_set_nested_thread(virq, 1);
irq_set_noprobe(virq);
return 0;
}
static const struct irq_domain_ops tps6586x_domain_ops = {
.map = tps6586x_irq_map,
.xlate = irq_domain_xlate_twocell,
};
static irqreturn_t tps6586x_irq(int irq, void *data)
{
struct tps6586x *tps6586x = data;
uint32_t acks;
__le32 val;
int ret = 0;
ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
sizeof(acks), (uint8_t *)&val);
if (ret < 0) {
dev_err(tps6586x->dev, "failed to read interrupt status\n");
return IRQ_NONE;
}
acks = le32_to_cpu(val);
while (acks) {
int i = __ffs(acks);
if (tps6586x->irq_en & (1 << i))
handle_nested_irq(
irq_find_mapping(tps6586x->irq_domain, i));
acks &= ~(1 << i);
}
return IRQ_HANDLED;
}
static int tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
int irq_base)
{
int i, ret;
u8 tmp[4];
int new_irq_base;
int irq_num = ARRAY_SIZE(tps6586x_irqs);
tps6586x->irq = irq;
mutex_init(&tps6586x->irq_lock);
for (i = 0; i < 5; i++) {
tps6586x->mask_reg[i] = 0xff;
tps6586x_write(tps6586x->dev, TPS6586X_INT_MASK1 + i, 0xff);
}
tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1, sizeof(tmp), tmp);
if (irq_base > 0) {
new_irq_base = irq_alloc_descs(irq_base, 0, irq_num, -1);
if (new_irq_base < 0) {
dev_err(tps6586x->dev,
"Failed to alloc IRQs: %d\n", new_irq_base);
return new_irq_base;
}
} else {
new_irq_base = 0;
}
tps6586x->irq_domain = irq_domain_add_simple(tps6586x->dev->of_node,
irq_num, new_irq_base, &tps6586x_domain_ops,
tps6586x);
if (!tps6586x->irq_domain) {
dev_err(tps6586x->dev, "Failed to create IRQ domain\n");
return -ENOMEM;
}
ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT,
"tps6586x", tps6586x);
if (!ret)
device_init_wakeup(tps6586x->dev, 1);
return ret;
}
static int tps6586x_add_subdevs(struct tps6586x *tps6586x,
struct tps6586x_platform_data *pdata)
{
struct tps6586x_subdev_info *subdev;
struct platform_device *pdev;
int i, ret = 0;
for (i = 0; i < pdata->num_subdevs; i++) {
subdev = &pdata->subdevs[i];
pdev = platform_device_alloc(subdev->name, subdev->id);
if (!pdev) {
ret = -ENOMEM;
goto failed;
}
pdev->dev.parent = tps6586x->dev;
pdev->dev.platform_data = subdev->platform_data;
pdev->dev.of_node = subdev->of_node;
ret = platform_device_add(pdev);
if (ret) {
platform_device_put(pdev);
goto failed;
}
}
return 0;
failed:
tps6586x_remove_subdevs(tps6586x);
return ret;
}
#ifdef CONFIG_OF
static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
{
struct device_node *np = client->dev.of_node;
struct tps6586x_platform_data *pdata;
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return NULL;
pdata->num_subdevs = 0;
pdata->subdevs = NULL;
pdata->gpio_base = -1;
pdata->irq_base = -1;
pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");
return pdata;
}
static const struct of_device_id tps6586x_of_match[] = {
{ .compatible = "ti,tps6586x", },
{ },
};
#else
static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
{
return NULL;
}
#endif
static bool is_volatile_reg(struct device *dev, unsigned int reg)
{
/* Cache all interrupt mask register */
if ((reg >= TPS6586X_INT_MASK1) && (reg <= TPS6586X_INT_MASK5))
return false;
return true;
}
static const struct regmap_config tps6586x_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = TPS6586X_MAX_REGISTER,
.volatile_reg = is_volatile_reg,
.cache_type = REGCACHE_RBTREE,
};
static int tps6586x_power_off_handler(struct sys_off_data *data)
{
int ret;
/* Put the PMIC into sleep state. This takes at least 20ms. */
ret = tps6586x_clr_bits(data->dev, TPS6586X_SUPPLYENE, EXITSLREQ_BIT);
if (ret)
return notifier_from_errno(ret);
ret = tps6586x_set_bits(data->dev, TPS6586X_SUPPLYENE, SLEEP_MODE_BIT);
if (ret)
return notifier_from_errno(ret);
mdelay(50);
return notifier_from_errno(-ETIME);
}
static void tps6586x_print_version(struct i2c_client *client, int version)
{
const char *name;
switch (version) {
case TPS658621A:
name = "TPS658621A";
break;
case TPS658621CD:
name = "TPS658621C/D";
break;
case TPS658623:
name = "TPS658623";
break;
case TPS658640:
case TPS658640v2:
name = "TPS658640";
break;
case TPS658643:
name = "TPS658643";
break;
default:
name = "TPS6586X";
break;
}
dev_info(&client->dev, "Found %s, VERSIONCRC is %02x\n", name, version);
}
static int tps6586x_i2c_probe(struct i2c_client *client)
{
struct tps6586x_platform_data *pdata = dev_get_platdata(&client->dev);
struct tps6586x *tps6586x;
int ret;
int version;
if (!pdata && client->dev.of_node)
pdata = tps6586x_parse_dt(client);
if (!pdata) {
dev_err(&client->dev, "tps6586x requires platform data\n");
return -ENOTSUPP;
}
version = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC);
if (version < 0) {
dev_err(&client->dev, "Chip ID read failed: %d\n", version);
return -EIO;
}
tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL);
if (!tps6586x)
return -ENOMEM;
tps6586x->version = version;
tps6586x_print_version(client, tps6586x->version);
tps6586x->client = client;
tps6586x->dev = &client->dev;
i2c_set_clientdata(client, tps6586x);
tps6586x->regmap = devm_regmap_init_i2c(client,
&tps6586x_regmap_config);
if (IS_ERR(tps6586x->regmap)) {
ret = PTR_ERR(tps6586x->regmap);
dev_err(&client->dev, "regmap init failed: %d\n", ret);
return ret;
}
if (client->irq) {
ret = tps6586x_irq_init(tps6586x, client->irq,
pdata->irq_base);
if (ret) {
dev_err(&client->dev, "IRQ init failed: %d\n", ret);
return ret;
}
}
ret = mfd_add_devices(tps6586x->dev, -1,
tps6586x_cell, ARRAY_SIZE(tps6586x_cell),
NULL, 0, tps6586x->irq_domain);
if (ret < 0) {
dev_err(&client->dev, "mfd_add_devices failed: %d\n", ret);
goto err_mfd_add;
}
ret = tps6586x_add_subdevs(tps6586x, pdata);
if (ret) {
dev_err(&client->dev, "add devices failed: %d\n", ret);
goto err_add_devs;
}
if (pdata->pm_off) {
ret = devm_register_power_off_handler(&client->dev, &tps6586x_power_off_handler,
NULL);
if (ret) {
dev_err(&client->dev, "register power off handler failed: %d\n", ret);
goto err_add_devs;
}
}
return 0;
err_add_devs:
mfd_remove_devices(tps6586x->dev);
err_mfd_add:
if (client->irq)
free_irq(client->irq, tps6586x);
return ret;
}
static void tps6586x_i2c_remove(struct i2c_client *client)
{
struct tps6586x *tps6586x = i2c_get_clientdata(client);
tps6586x_remove_subdevs(tps6586x);
mfd_remove_devices(tps6586x->dev);
if (client->irq)
free_irq(client->irq, tps6586x);
}
static int __maybe_unused tps6586x_i2c_suspend(struct device *dev)
{
struct tps6586x *tps6586x = dev_get_drvdata(dev);
if (tps6586x->client->irq)
disable_irq(tps6586x->client->irq);
return 0;
}
static int __maybe_unused tps6586x_i2c_resume(struct device *dev)
{
struct tps6586x *tps6586x = dev_get_drvdata(dev);
if (tps6586x->client->irq)
enable_irq(tps6586x->client->irq);
return 0;
}
static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend,
tps6586x_i2c_resume);
static const struct i2c_device_id tps6586x_id_table[] = {
{ "tps6586x", 0 },
{ },
};
MODULE_DEVICE_TABLE(i2c, tps6586x_id_table);
static struct i2c_driver tps6586x_driver = {
.driver = {
.name = "tps6586x",
.of_match_table = of_match_ptr(tps6586x_of_match),
.pm = &tps6586x_pm_ops,
},
.probe = tps6586x_i2c_probe,
.remove = tps6586x_i2c_remove,
.id_table = tps6586x_id_table,
};
static int __init tps6586x_init(void)
{
return i2c_add_driver(&tps6586x_driver);
}
subsys_initcall(tps6586x_init);
static void __exit tps6586x_exit(void)
{
i2c_del_driver(&tps6586x_driver);
}
module_exit(tps6586x_exit);
MODULE_DESCRIPTION("TPS6586X core driver");
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
|