This source file includes following definitions.
- dev_to_tps6586x
- tps6586x_write
- tps6586x_writes
- tps6586x_read
- tps6586x_reads
- tps6586x_set_bits
- tps6586x_clr_bits
- tps6586x_update
- tps6586x_irq_get_virq
- tps6586x_get_version
- __remove_subdev
- tps6586x_remove_subdevs
- tps6586x_irq_lock
- tps6586x_irq_enable
- tps6586x_irq_disable
- tps6586x_irq_sync_unlock
- tps6586x_irq_set_wake
- tps6586x_irq_map
- tps6586x_irq
- tps6586x_irq_init
- tps6586x_add_subdevs
- tps6586x_parse_dt
- tps6586x_parse_dt
- is_volatile_reg
- tps6586x_power_off
- tps6586x_print_version
- tps6586x_i2c_probe
- tps6586x_i2c_remove
- tps6586x_i2c_suspend
- tps6586x_i2c_resume
- tps6586x_init
- tps6586x_exit
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15 #include <linux/interrupt.h>
16 #include <linux/irq.h>
17 #include <linux/irqdomain.h>
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/mutex.h>
21 #include <linux/slab.h>
22 #include <linux/err.h>
23 #include <linux/i2c.h>
24 #include <linux/platform_device.h>
25 #include <linux/regmap.h>
26 #include <linux/of.h>
27
28 #include <linux/mfd/core.h>
29 #include <linux/mfd/tps6586x.h>
30
31 #define TPS6586X_SUPPLYENE 0x14
32 #define EXITSLREQ_BIT BIT(1)
33 #define SLEEP_MODE_BIT BIT(3)
34
35
36 #define TPS6586X_INT_ACK1 0xb5
37 #define TPS6586X_INT_ACK2 0xb6
38 #define TPS6586X_INT_ACK3 0xb7
39 #define TPS6586X_INT_ACK4 0xb8
40
41
42 #define TPS6586X_INT_MASK1 0xb0
43 #define TPS6586X_INT_MASK2 0xb1
44 #define TPS6586X_INT_MASK3 0xb2
45 #define TPS6586X_INT_MASK4 0xb3
46 #define TPS6586X_INT_MASK5 0xb4
47
48
49 #define TPS6586X_VERSIONCRC 0xcd
50
51
52 #define TPS6586X_MAX_REGISTER TPS6586X_VERSIONCRC
53
54 struct tps6586x_irq_data {
55 u8 mask_reg;
56 u8 mask_mask;
57 };
58
59 #define TPS6586X_IRQ(_reg, _mask) \
60 { \
61 .mask_reg = (_reg) - TPS6586X_INT_MASK1, \
62 .mask_mask = (_mask), \
63 }
64
65 static const struct tps6586x_irq_data tps6586x_irqs[] = {
66 [TPS6586X_INT_PLDO_0] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 0),
67 [TPS6586X_INT_PLDO_1] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 1),
68 [TPS6586X_INT_PLDO_2] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 2),
69 [TPS6586X_INT_PLDO_3] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 3),
70 [TPS6586X_INT_PLDO_4] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 4),
71 [TPS6586X_INT_PLDO_5] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 5),
72 [TPS6586X_INT_PLDO_6] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 6),
73 [TPS6586X_INT_PLDO_7] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 7),
74 [TPS6586X_INT_COMP_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 0),
75 [TPS6586X_INT_ADC] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 1),
76 [TPS6586X_INT_PLDO_8] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 2),
77 [TPS6586X_INT_PLDO_9] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 3),
78 [TPS6586X_INT_PSM_0] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 4),
79 [TPS6586X_INT_PSM_1] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 5),
80 [TPS6586X_INT_PSM_2] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 6),
81 [TPS6586X_INT_PSM_3] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 7),
82 [TPS6586X_INT_RTC_ALM1] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 4),
83 [TPS6586X_INT_ACUSB_OVP] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 0x03),
84 [TPS6586X_INT_USB_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 2),
85 [TPS6586X_INT_AC_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 3),
86 [TPS6586X_INT_BAT_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 1 << 0),
87 [TPS6586X_INT_CHG_STAT] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 0xfc),
88 [TPS6586X_INT_CHG_TEMP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0x06),
89 [TPS6586X_INT_PP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0xf0),
90 [TPS6586X_INT_RESUME] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 5),
91 [TPS6586X_INT_LOW_SYS] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 6),
92 [TPS6586X_INT_RTC_ALM2] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 1),
93 };
94
95 static struct resource tps6586x_rtc_resources[] = {
96 {
97 .start = TPS6586X_INT_RTC_ALM1,
98 .end = TPS6586X_INT_RTC_ALM1,
99 .flags = IORESOURCE_IRQ,
100 },
101 };
102
103 static const struct mfd_cell tps6586x_cell[] = {
104 {
105 .name = "tps6586x-gpio",
106 },
107 {
108 .name = "tps6586x-regulator",
109 },
110 {
111 .name = "tps6586x-rtc",
112 .num_resources = ARRAY_SIZE(tps6586x_rtc_resources),
113 .resources = &tps6586x_rtc_resources[0],
114 },
115 {
116 .name = "tps6586x-onkey",
117 },
118 };
119
120 struct tps6586x {
121 struct device *dev;
122 struct i2c_client *client;
123 struct regmap *regmap;
124 int version;
125
126 int irq;
127 struct irq_chip irq_chip;
128 struct mutex irq_lock;
129 int irq_base;
130 u32 irq_en;
131 u8 mask_reg[5];
132 struct irq_domain *irq_domain;
133 };
134
135 static inline struct tps6586x *dev_to_tps6586x(struct device *dev)
136 {
137 return i2c_get_clientdata(to_i2c_client(dev));
138 }
139
140 int tps6586x_write(struct device *dev, int reg, uint8_t val)
141 {
142 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
143
144 return regmap_write(tps6586x->regmap, reg, val);
145 }
146 EXPORT_SYMBOL_GPL(tps6586x_write);
147
148 int tps6586x_writes(struct device *dev, int reg, int len, uint8_t *val)
149 {
150 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
151
152 return regmap_bulk_write(tps6586x->regmap, reg, val, len);
153 }
154 EXPORT_SYMBOL_GPL(tps6586x_writes);
155
156 int tps6586x_read(struct device *dev, int reg, uint8_t *val)
157 {
158 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
159 unsigned int rval;
160 int ret;
161
162 ret = regmap_read(tps6586x->regmap, reg, &rval);
163 if (!ret)
164 *val = rval;
165 return ret;
166 }
167 EXPORT_SYMBOL_GPL(tps6586x_read);
168
169 int tps6586x_reads(struct device *dev, int reg, int len, uint8_t *val)
170 {
171 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
172
173 return regmap_bulk_read(tps6586x->regmap, reg, val, len);
174 }
175 EXPORT_SYMBOL_GPL(tps6586x_reads);
176
177 int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
178 {
179 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
180
181 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, bit_mask);
182 }
183 EXPORT_SYMBOL_GPL(tps6586x_set_bits);
184
185 int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
186 {
187 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
188
189 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, 0);
190 }
191 EXPORT_SYMBOL_GPL(tps6586x_clr_bits);
192
193 int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
194 {
195 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
196
197 return regmap_update_bits(tps6586x->regmap, reg, mask, val);
198 }
199 EXPORT_SYMBOL_GPL(tps6586x_update);
200
201 int tps6586x_irq_get_virq(struct device *dev, int irq)
202 {
203 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
204
205 return irq_create_mapping(tps6586x->irq_domain, irq);
206 }
207 EXPORT_SYMBOL_GPL(tps6586x_irq_get_virq);
208
209 int tps6586x_get_version(struct device *dev)
210 {
211 struct tps6586x *tps6586x = dev_get_drvdata(dev);
212
213 return tps6586x->version;
214 }
215 EXPORT_SYMBOL_GPL(tps6586x_get_version);
216
217 static int __remove_subdev(struct device *dev, void *unused)
218 {
219 platform_device_unregister(to_platform_device(dev));
220 return 0;
221 }
222
223 static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
224 {
225 return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
226 }
227
228 static void tps6586x_irq_lock(struct irq_data *data)
229 {
230 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
231
232 mutex_lock(&tps6586x->irq_lock);
233 }
234
235 static void tps6586x_irq_enable(struct irq_data *irq_data)
236 {
237 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
238 unsigned int __irq = irq_data->hwirq;
239 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
240
241 tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
242 tps6586x->irq_en |= (1 << __irq);
243 }
244
245 static void tps6586x_irq_disable(struct irq_data *irq_data)
246 {
247 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
248
249 unsigned int __irq = irq_data->hwirq;
250 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
251
252 tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
253 tps6586x->irq_en &= ~(1 << __irq);
254 }
255
256 static void tps6586x_irq_sync_unlock(struct irq_data *data)
257 {
258 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
259 int i;
260
261 for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
262 int ret;
263 ret = tps6586x_write(tps6586x->dev,
264 TPS6586X_INT_MASK1 + i,
265 tps6586x->mask_reg[i]);
266 WARN_ON(ret);
267 }
268
269 mutex_unlock(&tps6586x->irq_lock);
270 }
271
272 #ifdef CONFIG_PM_SLEEP
273 static int tps6586x_irq_set_wake(struct irq_data *irq_data, unsigned int on)
274 {
275 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
276 return irq_set_irq_wake(tps6586x->irq, on);
277 }
278 #else
279 #define tps6586x_irq_set_wake NULL
280 #endif
281
282 static struct irq_chip tps6586x_irq_chip = {
283 .name = "tps6586x",
284 .irq_bus_lock = tps6586x_irq_lock,
285 .irq_bus_sync_unlock = tps6586x_irq_sync_unlock,
286 .irq_disable = tps6586x_irq_disable,
287 .irq_enable = tps6586x_irq_enable,
288 .irq_set_wake = tps6586x_irq_set_wake,
289 };
290
291 static int tps6586x_irq_map(struct irq_domain *h, unsigned int virq,
292 irq_hw_number_t hw)
293 {
294 struct tps6586x *tps6586x = h->host_data;
295
296 irq_set_chip_data(virq, tps6586x);
297 irq_set_chip_and_handler(virq, &tps6586x_irq_chip, handle_simple_irq);
298 irq_set_nested_thread(virq, 1);
299 irq_set_noprobe(virq);
300
301 return 0;
302 }
303
304 static const struct irq_domain_ops tps6586x_domain_ops = {
305 .map = tps6586x_irq_map,
306 .xlate = irq_domain_xlate_twocell,
307 };
308
309 static irqreturn_t tps6586x_irq(int irq, void *data)
310 {
311 struct tps6586x *tps6586x = data;
312 u32 acks;
313 int ret = 0;
314
315 ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
316 sizeof(acks), (uint8_t *)&acks);
317
318 if (ret < 0) {
319 dev_err(tps6586x->dev, "failed to read interrupt status\n");
320 return IRQ_NONE;
321 }
322
323 acks = le32_to_cpu(acks);
324
325 while (acks) {
326 int i = __ffs(acks);
327
328 if (tps6586x->irq_en & (1 << i))
329 handle_nested_irq(
330 irq_find_mapping(tps6586x->irq_domain, i));
331
332 acks &= ~(1 << i);
333 }
334
335 return IRQ_HANDLED;
336 }
337
338 static int tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
339 int irq_base)
340 {
341 int i, ret;
342 u8 tmp[4];
343 int new_irq_base;
344 int irq_num = ARRAY_SIZE(tps6586x_irqs);
345
346 tps6586x->irq = irq;
347
348 mutex_init(&tps6586x->irq_lock);
349 for (i = 0; i < 5; i++) {
350 tps6586x->mask_reg[i] = 0xff;
351 tps6586x_write(tps6586x->dev, TPS6586X_INT_MASK1 + i, 0xff);
352 }
353
354 tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1, sizeof(tmp), tmp);
355
356 if (irq_base > 0) {
357 new_irq_base = irq_alloc_descs(irq_base, 0, irq_num, -1);
358 if (new_irq_base < 0) {
359 dev_err(tps6586x->dev,
360 "Failed to alloc IRQs: %d\n", new_irq_base);
361 return new_irq_base;
362 }
363 } else {
364 new_irq_base = 0;
365 }
366
367 tps6586x->irq_domain = irq_domain_add_simple(tps6586x->dev->of_node,
368 irq_num, new_irq_base, &tps6586x_domain_ops,
369 tps6586x);
370 if (!tps6586x->irq_domain) {
371 dev_err(tps6586x->dev, "Failed to create IRQ domain\n");
372 return -ENOMEM;
373 }
374 ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT,
375 "tps6586x", tps6586x);
376
377 if (!ret)
378 device_init_wakeup(tps6586x->dev, 1);
379
380 return ret;
381 }
382
383 static int tps6586x_add_subdevs(struct tps6586x *tps6586x,
384 struct tps6586x_platform_data *pdata)
385 {
386 struct tps6586x_subdev_info *subdev;
387 struct platform_device *pdev;
388 int i, ret = 0;
389
390 for (i = 0; i < pdata->num_subdevs; i++) {
391 subdev = &pdata->subdevs[i];
392
393 pdev = platform_device_alloc(subdev->name, subdev->id);
394 if (!pdev) {
395 ret = -ENOMEM;
396 goto failed;
397 }
398
399 pdev->dev.parent = tps6586x->dev;
400 pdev->dev.platform_data = subdev->platform_data;
401 pdev->dev.of_node = subdev->of_node;
402
403 ret = platform_device_add(pdev);
404 if (ret) {
405 platform_device_put(pdev);
406 goto failed;
407 }
408 }
409 return 0;
410
411 failed:
412 tps6586x_remove_subdevs(tps6586x);
413 return ret;
414 }
415
416 #ifdef CONFIG_OF
417 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
418 {
419 struct device_node *np = client->dev.of_node;
420 struct tps6586x_platform_data *pdata;
421
422 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
423 if (!pdata)
424 return NULL;
425
426 pdata->num_subdevs = 0;
427 pdata->subdevs = NULL;
428 pdata->gpio_base = -1;
429 pdata->irq_base = -1;
430 pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");
431
432 return pdata;
433 }
434
435 static const struct of_device_id tps6586x_of_match[] = {
436 { .compatible = "ti,tps6586x", },
437 { },
438 };
439 #else
440 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
441 {
442 return NULL;
443 }
444 #endif
445
446 static bool is_volatile_reg(struct device *dev, unsigned int reg)
447 {
448
449 if ((reg >= TPS6586X_INT_MASK1) && (reg <= TPS6586X_INT_MASK5))
450 return false;
451
452 return true;
453 }
454
455 static const struct regmap_config tps6586x_regmap_config = {
456 .reg_bits = 8,
457 .val_bits = 8,
458 .max_register = TPS6586X_MAX_REGISTER,
459 .volatile_reg = is_volatile_reg,
460 .cache_type = REGCACHE_RBTREE,
461 };
462
463 static struct device *tps6586x_dev;
464 static void tps6586x_power_off(void)
465 {
466 if (tps6586x_clr_bits(tps6586x_dev, TPS6586X_SUPPLYENE, EXITSLREQ_BIT))
467 return;
468
469 tps6586x_set_bits(tps6586x_dev, TPS6586X_SUPPLYENE, SLEEP_MODE_BIT);
470 }
471
472 static void tps6586x_print_version(struct i2c_client *client, int version)
473 {
474 const char *name;
475
476 switch (version) {
477 case TPS658621A:
478 name = "TPS658621A";
479 break;
480 case TPS658621CD:
481 name = "TPS658621C/D";
482 break;
483 case TPS658623:
484 name = "TPS658623";
485 break;
486 case TPS658640:
487 case TPS658640v2:
488 name = "TPS658640";
489 break;
490 case TPS658643:
491 name = "TPS658643";
492 break;
493 default:
494 name = "TPS6586X";
495 break;
496 }
497
498 dev_info(&client->dev, "Found %s, VERSIONCRC is %02x\n", name, version);
499 }
500
501 static int tps6586x_i2c_probe(struct i2c_client *client,
502 const struct i2c_device_id *id)
503 {
504 struct tps6586x_platform_data *pdata = dev_get_platdata(&client->dev);
505 struct tps6586x *tps6586x;
506 int ret;
507 int version;
508
509 if (!pdata && client->dev.of_node)
510 pdata = tps6586x_parse_dt(client);
511
512 if (!pdata) {
513 dev_err(&client->dev, "tps6586x requires platform data\n");
514 return -ENOTSUPP;
515 }
516
517 version = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC);
518 if (version < 0) {
519 dev_err(&client->dev, "Chip ID read failed: %d\n", version);
520 return -EIO;
521 }
522
523 tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL);
524 if (!tps6586x)
525 return -ENOMEM;
526
527 tps6586x->version = version;
528 tps6586x_print_version(client, tps6586x->version);
529
530 tps6586x->client = client;
531 tps6586x->dev = &client->dev;
532 i2c_set_clientdata(client, tps6586x);
533
534 tps6586x->regmap = devm_regmap_init_i2c(client,
535 &tps6586x_regmap_config);
536 if (IS_ERR(tps6586x->regmap)) {
537 ret = PTR_ERR(tps6586x->regmap);
538 dev_err(&client->dev, "regmap init failed: %d\n", ret);
539 return ret;
540 }
541
542
543 if (client->irq) {
544 ret = tps6586x_irq_init(tps6586x, client->irq,
545 pdata->irq_base);
546 if (ret) {
547 dev_err(&client->dev, "IRQ init failed: %d\n", ret);
548 return ret;
549 }
550 }
551
552 ret = mfd_add_devices(tps6586x->dev, -1,
553 tps6586x_cell, ARRAY_SIZE(tps6586x_cell),
554 NULL, 0, tps6586x->irq_domain);
555 if (ret < 0) {
556 dev_err(&client->dev, "mfd_add_devices failed: %d\n", ret);
557 goto err_mfd_add;
558 }
559
560 ret = tps6586x_add_subdevs(tps6586x, pdata);
561 if (ret) {
562 dev_err(&client->dev, "add devices failed: %d\n", ret);
563 goto err_add_devs;
564 }
565
566 if (pdata->pm_off && !pm_power_off) {
567 tps6586x_dev = &client->dev;
568 pm_power_off = tps6586x_power_off;
569 }
570
571 return 0;
572
573 err_add_devs:
574 mfd_remove_devices(tps6586x->dev);
575 err_mfd_add:
576 if (client->irq)
577 free_irq(client->irq, tps6586x);
578 return ret;
579 }
580
581 static int tps6586x_i2c_remove(struct i2c_client *client)
582 {
583 struct tps6586x *tps6586x = i2c_get_clientdata(client);
584
585 tps6586x_remove_subdevs(tps6586x);
586 mfd_remove_devices(tps6586x->dev);
587 if (client->irq)
588 free_irq(client->irq, tps6586x);
589 return 0;
590 }
591
592 static int __maybe_unused tps6586x_i2c_suspend(struct device *dev)
593 {
594 struct tps6586x *tps6586x = dev_get_drvdata(dev);
595
596 if (tps6586x->client->irq)
597 disable_irq(tps6586x->client->irq);
598
599 return 0;
600 }
601
602 static int __maybe_unused tps6586x_i2c_resume(struct device *dev)
603 {
604 struct tps6586x *tps6586x = dev_get_drvdata(dev);
605
606 if (tps6586x->client->irq)
607 enable_irq(tps6586x->client->irq);
608
609 return 0;
610 }
611
612 static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend,
613 tps6586x_i2c_resume);
614
615 static const struct i2c_device_id tps6586x_id_table[] = {
616 { "tps6586x", 0 },
617 { },
618 };
619 MODULE_DEVICE_TABLE(i2c, tps6586x_id_table);
620
621 static struct i2c_driver tps6586x_driver = {
622 .driver = {
623 .name = "tps6586x",
624 .of_match_table = of_match_ptr(tps6586x_of_match),
625 .pm = &tps6586x_pm_ops,
626 },
627 .probe = tps6586x_i2c_probe,
628 .remove = tps6586x_i2c_remove,
629 .id_table = tps6586x_id_table,
630 };
631
632 static int __init tps6586x_init(void)
633 {
634 return i2c_add_driver(&tps6586x_driver);
635 }
636 subsys_initcall(tps6586x_init);
637
638 static void __exit tps6586x_exit(void)
639 {
640 i2c_del_driver(&tps6586x_driver);
641 }
642 module_exit(tps6586x_exit);
643
644 MODULE_DESCRIPTION("TPS6586X core driver");
645 MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
646 MODULE_LICENSE("GPL");