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mfd: Use regmap for tps6586x register access.
[deliverable/linux.git] / drivers / mfd / tps6586x.c
1 /*
2 * Core driver for TI TPS6586x PMIC family
3 *
4 * Copyright (c) 2010 CompuLab Ltd.
5 * Mike Rapoport <mike@compulab.co.il>
6 *
7 * Based on da903x.c.
8 * Copyright (C) 2008 Compulab, Ltd.
9 * Mike Rapoport <mike@compulab.co.il>
10 * Copyright (C) 2006-2008 Marvell International Ltd.
11 * Eric Miao <eric.miao@marvell.com>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17
18 #include <linux/interrupt.h>
19 #include <linux/irq.h>
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/mutex.h>
23 #include <linux/slab.h>
24 #include <linux/err.h>
25 #include <linux/gpio.h>
26 #include <linux/i2c.h>
27 #include <linux/regmap.h>
28 #include <linux/regulator/of_regulator.h>
29
30 #include <linux/mfd/core.h>
31 #include <linux/mfd/tps6586x.h>
32
33 /* GPIO control registers */
34 #define TPS6586X_GPIOSET1 0x5d
35 #define TPS6586X_GPIOSET2 0x5e
36
37 /* interrupt control registers */
38 #define TPS6586X_INT_ACK1 0xb5
39 #define TPS6586X_INT_ACK2 0xb6
40 #define TPS6586X_INT_ACK3 0xb7
41 #define TPS6586X_INT_ACK4 0xb8
42
43 /* interrupt mask registers */
44 #define TPS6586X_INT_MASK1 0xb0
45 #define TPS6586X_INT_MASK2 0xb1
46 #define TPS6586X_INT_MASK3 0xb2
47 #define TPS6586X_INT_MASK4 0xb3
48 #define TPS6586X_INT_MASK5 0xb4
49
50 /* device id */
51 #define TPS6586X_VERSIONCRC 0xcd
52
53 /* Maximum register */
54 #define TPS6586X_MAX_REGISTER (TPS6586X_VERSIONCRC + 1)
55
56 struct tps6586x_irq_data {
57 u8 mask_reg;
58 u8 mask_mask;
59 };
60
61 #define TPS6586X_IRQ(_reg, _mask) \
62 { \
63 .mask_reg = (_reg) - TPS6586X_INT_MASK1, \
64 .mask_mask = (_mask), \
65 }
66
67 static const struct tps6586x_irq_data tps6586x_irqs[] = {
68 [TPS6586X_INT_PLDO_0] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 0),
69 [TPS6586X_INT_PLDO_1] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 1),
70 [TPS6586X_INT_PLDO_2] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 2),
71 [TPS6586X_INT_PLDO_3] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 3),
72 [TPS6586X_INT_PLDO_4] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 4),
73 [TPS6586X_INT_PLDO_5] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 5),
74 [TPS6586X_INT_PLDO_6] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 6),
75 [TPS6586X_INT_PLDO_7] = TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 7),
76 [TPS6586X_INT_COMP_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 0),
77 [TPS6586X_INT_ADC] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 1),
78 [TPS6586X_INT_PLDO_8] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 2),
79 [TPS6586X_INT_PLDO_9] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 3),
80 [TPS6586X_INT_PSM_0] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 4),
81 [TPS6586X_INT_PSM_1] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 5),
82 [TPS6586X_INT_PSM_2] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 6),
83 [TPS6586X_INT_PSM_3] = TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 7),
84 [TPS6586X_INT_RTC_ALM1] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 4),
85 [TPS6586X_INT_ACUSB_OVP] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 0x03),
86 [TPS6586X_INT_USB_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 2),
87 [TPS6586X_INT_AC_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 3),
88 [TPS6586X_INT_BAT_DET] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 1 << 0),
89 [TPS6586X_INT_CHG_STAT] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 0xfc),
90 [TPS6586X_INT_CHG_TEMP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0x06),
91 [TPS6586X_INT_PP] = TPS6586X_IRQ(TPS6586X_INT_MASK3, 0xf0),
92 [TPS6586X_INT_RESUME] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 5),
93 [TPS6586X_INT_LOW_SYS] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 6),
94 [TPS6586X_INT_RTC_ALM2] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 1),
95 };
96
97 struct tps6586x {
98 struct device *dev;
99 struct i2c_client *client;
100 struct regmap *regmap;
101
102 struct gpio_chip gpio;
103 struct irq_chip irq_chip;
104 struct mutex irq_lock;
105 int irq_base;
106 u32 irq_en;
107 u8 mask_cache[5];
108 u8 mask_reg[5];
109 };
110
111 static inline struct tps6586x *dev_to_tps6586x(struct device *dev)
112 {
113 return i2c_get_clientdata(to_i2c_client(dev));
114 }
115
116 int tps6586x_write(struct device *dev, int reg, uint8_t val)
117 {
118 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
119
120 return regmap_write(tps6586x->regmap, reg, val);
121 }
122 EXPORT_SYMBOL_GPL(tps6586x_write);
123
124 int tps6586x_writes(struct device *dev, int reg, int len, uint8_t *val)
125 {
126 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
127
128 return regmap_bulk_write(tps6586x->regmap, reg, val, len);
129 }
130 EXPORT_SYMBOL_GPL(tps6586x_writes);
131
132 int tps6586x_read(struct device *dev, int reg, uint8_t *val)
133 {
134 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
135 unsigned int rval;
136 int ret;
137
138 ret = regmap_read(tps6586x->regmap, reg, &rval);
139 if (!ret)
140 *val = rval;
141 return ret;
142 }
143 EXPORT_SYMBOL_GPL(tps6586x_read);
144
145 int tps6586x_reads(struct device *dev, int reg, int len, uint8_t *val)
146 {
147 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
148
149 return regmap_bulk_read(tps6586x->regmap, reg, val, len);
150 }
151 EXPORT_SYMBOL_GPL(tps6586x_reads);
152
153 int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
154 {
155 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
156
157 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, bit_mask);
158 }
159 EXPORT_SYMBOL_GPL(tps6586x_set_bits);
160
161 int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
162 {
163 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
164
165 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, 0);
166 }
167 EXPORT_SYMBOL_GPL(tps6586x_clr_bits);
168
169 int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
170 {
171 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
172
173 return regmap_update_bits(tps6586x->regmap, reg, mask, val);
174 }
175 EXPORT_SYMBOL_GPL(tps6586x_update);
176
177 static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset)
178 {
179 struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
180 uint8_t val;
181 int ret;
182
183 ret = tps6586x_read(tps6586x->dev, TPS6586X_GPIOSET2, &val);
184 if (ret)
185 return ret;
186
187 return !!(val & (1 << offset));
188 }
189
190
191 static void tps6586x_gpio_set(struct gpio_chip *chip, unsigned offset,
192 int value)
193 {
194 struct tps6586x *tps6586x = container_of(chip, struct tps6586x, gpio);
195
196 tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET2,
197 value << offset, 1 << offset);
198 }
199
200 static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
201 int value)
202 {
203 struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
204 uint8_t val, mask;
205
206 tps6586x_gpio_set(gc, offset, value);
207
208 val = 0x1 << (offset * 2);
209 mask = 0x3 << (offset * 2);
210
211 return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask);
212 }
213
214 static int tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base)
215 {
216 if (!gpio_base)
217 return 0;
218
219 tps6586x->gpio.owner = THIS_MODULE;
220 tps6586x->gpio.label = tps6586x->client->name;
221 tps6586x->gpio.dev = tps6586x->dev;
222 tps6586x->gpio.base = gpio_base;
223 tps6586x->gpio.ngpio = 4;
224 tps6586x->gpio.can_sleep = 1;
225
226 /* FIXME: add handling of GPIOs as dedicated inputs */
227 tps6586x->gpio.direction_output = tps6586x_gpio_output;
228 tps6586x->gpio.set = tps6586x_gpio_set;
229 tps6586x->gpio.get = tps6586x_gpio_get;
230
231 return gpiochip_add(&tps6586x->gpio);
232 }
233
234 static int __remove_subdev(struct device *dev, void *unused)
235 {
236 platform_device_unregister(to_platform_device(dev));
237 return 0;
238 }
239
240 static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
241 {
242 return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
243 }
244
245 static void tps6586x_irq_lock(struct irq_data *data)
246 {
247 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
248
249 mutex_lock(&tps6586x->irq_lock);
250 }
251
252 static void tps6586x_irq_enable(struct irq_data *irq_data)
253 {
254 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
255 unsigned int __irq = irq_data->irq - tps6586x->irq_base;
256 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
257
258 tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
259 tps6586x->irq_en |= (1 << __irq);
260 }
261
262 static void tps6586x_irq_disable(struct irq_data *irq_data)
263 {
264 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
265
266 unsigned int __irq = irq_data->irq - tps6586x->irq_base;
267 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
268
269 tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
270 tps6586x->irq_en &= ~(1 << __irq);
271 }
272
273 static void tps6586x_irq_sync_unlock(struct irq_data *data)
274 {
275 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
276 int i;
277
278 for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
279 if (tps6586x->mask_reg[i] != tps6586x->mask_cache[i]) {
280 if (!WARN_ON(tps6586x_write(tps6586x->dev,
281 TPS6586X_INT_MASK1 + i,
282 tps6586x->mask_reg[i])))
283 tps6586x->mask_cache[i] = tps6586x->mask_reg[i];
284 }
285 }
286
287 mutex_unlock(&tps6586x->irq_lock);
288 }
289
290 static irqreturn_t tps6586x_irq(int irq, void *data)
291 {
292 struct tps6586x *tps6586x = data;
293 u32 acks;
294 int ret = 0;
295
296 ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
297 sizeof(acks), (uint8_t *)&acks);
298
299 if (ret < 0) {
300 dev_err(tps6586x->dev, "failed to read interrupt status\n");
301 return IRQ_NONE;
302 }
303
304 acks = le32_to_cpu(acks);
305
306 while (acks) {
307 int i = __ffs(acks);
308
309 if (tps6586x->irq_en & (1 << i))
310 handle_nested_irq(tps6586x->irq_base + i);
311
312 acks &= ~(1 << i);
313 }
314
315 return IRQ_HANDLED;
316 }
317
318 static int __devinit tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
319 int irq_base)
320 {
321 int i, ret;
322 u8 tmp[4];
323
324 if (!irq_base) {
325 dev_warn(tps6586x->dev, "No interrupt support on IRQ base\n");
326 return -EINVAL;
327 }
328
329 mutex_init(&tps6586x->irq_lock);
330 for (i = 0; i < 5; i++) {
331 tps6586x->mask_cache[i] = 0xff;
332 tps6586x->mask_reg[i] = 0xff;
333 tps6586x_write(tps6586x->dev, TPS6586X_INT_MASK1 + i, 0xff);
334 }
335
336 tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1, sizeof(tmp), tmp);
337
338 tps6586x->irq_base = irq_base;
339
340 tps6586x->irq_chip.name = "tps6586x";
341 tps6586x->irq_chip.irq_enable = tps6586x_irq_enable;
342 tps6586x->irq_chip.irq_disable = tps6586x_irq_disable;
343 tps6586x->irq_chip.irq_bus_lock = tps6586x_irq_lock;
344 tps6586x->irq_chip.irq_bus_sync_unlock = tps6586x_irq_sync_unlock;
345
346 for (i = 0; i < ARRAY_SIZE(tps6586x_irqs); i++) {
347 int __irq = i + tps6586x->irq_base;
348 irq_set_chip_data(__irq, tps6586x);
349 irq_set_chip_and_handler(__irq, &tps6586x->irq_chip,
350 handle_simple_irq);
351 irq_set_nested_thread(__irq, 1);
352 #ifdef CONFIG_ARM
353 set_irq_flags(__irq, IRQF_VALID);
354 #endif
355 }
356
357 ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT,
358 "tps6586x", tps6586x);
359
360 if (!ret) {
361 device_init_wakeup(tps6586x->dev, 1);
362 enable_irq_wake(irq);
363 }
364
365 return ret;
366 }
367
368 static int __devinit tps6586x_add_subdevs(struct tps6586x *tps6586x,
369 struct tps6586x_platform_data *pdata)
370 {
371 struct tps6586x_subdev_info *subdev;
372 struct platform_device *pdev;
373 int i, ret = 0;
374
375 for (i = 0; i < pdata->num_subdevs; i++) {
376 subdev = &pdata->subdevs[i];
377
378 pdev = platform_device_alloc(subdev->name, subdev->id);
379 if (!pdev) {
380 ret = -ENOMEM;
381 goto failed;
382 }
383
384 pdev->dev.parent = tps6586x->dev;
385 pdev->dev.platform_data = subdev->platform_data;
386 pdev->dev.of_node = subdev->of_node;
387
388 ret = platform_device_add(pdev);
389 if (ret) {
390 platform_device_put(pdev);
391 goto failed;
392 }
393 }
394 return 0;
395
396 failed:
397 tps6586x_remove_subdevs(tps6586x);
398 return ret;
399 }
400
401 #ifdef CONFIG_OF
402 static struct of_regulator_match tps6586x_matches[] = {
403 { .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
404 { .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
405 { .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
406 { .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
407 { .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
408 { .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
409 { .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
410 { .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
411 { .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
412 { .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
413 { .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
414 { .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
415 { .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
416 { .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
417 };
418
419 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
420 {
421 const unsigned int num = ARRAY_SIZE(tps6586x_matches);
422 struct device_node *np = client->dev.of_node;
423 struct tps6586x_platform_data *pdata;
424 struct tps6586x_subdev_info *devs;
425 struct device_node *regs;
426 unsigned int count;
427 unsigned int i, j;
428 int err;
429
430 regs = of_find_node_by_name(np, "regulators");
431 if (!regs)
432 return NULL;
433
434 err = of_regulator_match(&client->dev, regs, tps6586x_matches, num);
435 if (err < 0) {
436 of_node_put(regs);
437 return NULL;
438 }
439
440 of_node_put(regs);
441 count = err;
442
443 devs = devm_kzalloc(&client->dev, count * sizeof(*devs), GFP_KERNEL);
444 if (!devs)
445 return NULL;
446
447 for (i = 0, j = 0; i < num && j < count; i++) {
448 if (!tps6586x_matches[i].init_data)
449 continue;
450
451 devs[j].name = "tps6586x-regulator";
452 devs[j].platform_data = tps6586x_matches[i].init_data;
453 devs[j].id = (int)tps6586x_matches[i].driver_data;
454 devs[j].of_node = tps6586x_matches[i].of_node;
455 j++;
456 }
457
458 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
459 if (!pdata)
460 return NULL;
461
462 pdata->num_subdevs = count;
463 pdata->subdevs = devs;
464 pdata->gpio_base = -1;
465 pdata->irq_base = -1;
466
467 return pdata;
468 }
469
470 static struct of_device_id tps6586x_of_match[] = {
471 { .compatible = "ti,tps6586x", },
472 { },
473 };
474 #else
475 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
476 {
477 return NULL;
478 }
479 #endif
480
481 static const struct regmap_config tps6586x_regmap_config = {
482 .reg_bits = 8,
483 .val_bits = 8,
484 .max_register = TPS6586X_MAX_REGISTER - 1,
485 };
486
487 static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
488 const struct i2c_device_id *id)
489 {
490 struct tps6586x_platform_data *pdata = client->dev.platform_data;
491 struct tps6586x *tps6586x;
492 int ret;
493
494 if (!pdata && client->dev.of_node)
495 pdata = tps6586x_parse_dt(client);
496
497 if (!pdata) {
498 dev_err(&client->dev, "tps6586x requires platform data\n");
499 return -ENOTSUPP;
500 }
501
502 ret = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC);
503 if (ret < 0) {
504 dev_err(&client->dev, "Chip ID read failed: %d\n", ret);
505 return -EIO;
506 }
507
508 dev_info(&client->dev, "VERSIONCRC is %02x\n", ret);
509
510 tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL);
511 if (tps6586x == NULL) {
512 dev_err(&client->dev, "memory for tps6586x alloc failed\n");
513 return -ENOMEM;
514 }
515
516 tps6586x->client = client;
517 tps6586x->dev = &client->dev;
518 i2c_set_clientdata(client, tps6586x);
519
520 tps6586x->regmap = devm_regmap_init_i2c(client,
521 &tps6586x_regmap_config);
522 if (IS_ERR(tps6586x->regmap)) {
523 ret = PTR_ERR(tps6586x->regmap);
524 dev_err(&client->dev, "regmap init failed: %d\n", ret);
525 return ret;
526 }
527
528
529 if (client->irq) {
530 ret = tps6586x_irq_init(tps6586x, client->irq,
531 pdata->irq_base);
532 if (ret) {
533 dev_err(&client->dev, "IRQ init failed: %d\n", ret);
534 return ret;
535 }
536 }
537
538 ret = tps6586x_gpio_init(tps6586x, pdata->gpio_base);
539 if (ret) {
540 dev_err(&client->dev, "GPIO registration failed: %d\n", ret);
541 goto err_gpio_init;
542 }
543
544 ret = tps6586x_add_subdevs(tps6586x, pdata);
545 if (ret) {
546 dev_err(&client->dev, "add devices failed: %d\n", ret);
547 goto err_add_devs;
548 }
549
550 return 0;
551
552 err_add_devs:
553 if (pdata->gpio_base) {
554 ret = gpiochip_remove(&tps6586x->gpio);
555 if (ret)
556 dev_err(&client->dev, "Can't remove gpio chip: %d\n",
557 ret);
558 }
559 err_gpio_init:
560 if (client->irq)
561 free_irq(client->irq, tps6586x);
562
563 return ret;
564 }
565
566 static int __devexit tps6586x_i2c_remove(struct i2c_client *client)
567 {
568 struct tps6586x *tps6586x = i2c_get_clientdata(client);
569 struct tps6586x_platform_data *pdata = client->dev.platform_data;
570 int ret;
571
572 if (client->irq)
573 free_irq(client->irq, tps6586x);
574
575 if (pdata->gpio_base) {
576 ret = gpiochip_remove(&tps6586x->gpio);
577 if (ret)
578 dev_err(&client->dev, "Can't remove gpio chip: %d\n",
579 ret);
580 }
581
582 tps6586x_remove_subdevs(tps6586x);
583 return 0;
584 }
585
586 static const struct i2c_device_id tps6586x_id_table[] = {
587 { "tps6586x", 0 },
588 { },
589 };
590 MODULE_DEVICE_TABLE(i2c, tps6586x_id_table);
591
592 static struct i2c_driver tps6586x_driver = {
593 .driver = {
594 .name = "tps6586x",
595 .owner = THIS_MODULE,
596 .of_match_table = of_match_ptr(tps6586x_of_match),
597 },
598 .probe = tps6586x_i2c_probe,
599 .remove = __devexit_p(tps6586x_i2c_remove),
600 .id_table = tps6586x_id_table,
601 };
602
603 static int __init tps6586x_init(void)
604 {
605 return i2c_add_driver(&tps6586x_driver);
606 }
607 subsys_initcall(tps6586x_init);
608
609 static void __exit tps6586x_exit(void)
610 {
611 i2c_del_driver(&tps6586x_driver);
612 }
613 module_exit(tps6586x_exit);
614
615 MODULE_DESCRIPTION("TPS6586X core driver");
616 MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
617 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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