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mfd: Cache tps6586x register through regmap
[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_reg[5];
108 };
109
110 static inline struct tps6586x *dev_to_tps6586x(struct device *dev)
111 {
112 return i2c_get_clientdata(to_i2c_client(dev));
113 }
114
115 int tps6586x_write(struct device *dev, int reg, uint8_t val)
116 {
117 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
118
119 return regmap_write(tps6586x->regmap, reg, val);
120 }
121 EXPORT_SYMBOL_GPL(tps6586x_write);
122
123 int tps6586x_writes(struct device *dev, int reg, int len, uint8_t *val)
124 {
125 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
126
127 return regmap_bulk_write(tps6586x->regmap, reg, val, len);
128 }
129 EXPORT_SYMBOL_GPL(tps6586x_writes);
130
131 int tps6586x_read(struct device *dev, int reg, uint8_t *val)
132 {
133 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
134 unsigned int rval;
135 int ret;
136
137 ret = regmap_read(tps6586x->regmap, reg, &rval);
138 if (!ret)
139 *val = rval;
140 return ret;
141 }
142 EXPORT_SYMBOL_GPL(tps6586x_read);
143
144 int tps6586x_reads(struct device *dev, int reg, int len, uint8_t *val)
145 {
146 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
147
148 return regmap_bulk_read(tps6586x->regmap, reg, val, len);
149 }
150 EXPORT_SYMBOL_GPL(tps6586x_reads);
151
152 int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
153 {
154 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
155
156 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, bit_mask);
157 }
158 EXPORT_SYMBOL_GPL(tps6586x_set_bits);
159
160 int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
161 {
162 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
163
164 return regmap_update_bits(tps6586x->regmap, reg, bit_mask, 0);
165 }
166 EXPORT_SYMBOL_GPL(tps6586x_clr_bits);
167
168 int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
169 {
170 struct tps6586x *tps6586x = dev_to_tps6586x(dev);
171
172 return regmap_update_bits(tps6586x->regmap, reg, mask, val);
173 }
174 EXPORT_SYMBOL_GPL(tps6586x_update);
175
176 static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset)
177 {
178 struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
179 uint8_t val;
180 int ret;
181
182 ret = tps6586x_read(tps6586x->dev, TPS6586X_GPIOSET2, &val);
183 if (ret)
184 return ret;
185
186 return !!(val & (1 << offset));
187 }
188
189
190 static void tps6586x_gpio_set(struct gpio_chip *chip, unsigned offset,
191 int value)
192 {
193 struct tps6586x *tps6586x = container_of(chip, struct tps6586x, gpio);
194
195 tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET2,
196 value << offset, 1 << offset);
197 }
198
199 static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
200 int value)
201 {
202 struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
203 uint8_t val, mask;
204
205 tps6586x_gpio_set(gc, offset, value);
206
207 val = 0x1 << (offset * 2);
208 mask = 0x3 << (offset * 2);
209
210 return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask);
211 }
212
213 static int tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base)
214 {
215 if (!gpio_base)
216 return 0;
217
218 tps6586x->gpio.owner = THIS_MODULE;
219 tps6586x->gpio.label = tps6586x->client->name;
220 tps6586x->gpio.dev = tps6586x->dev;
221 tps6586x->gpio.base = gpio_base;
222 tps6586x->gpio.ngpio = 4;
223 tps6586x->gpio.can_sleep = 1;
224
225 /* FIXME: add handling of GPIOs as dedicated inputs */
226 tps6586x->gpio.direction_output = tps6586x_gpio_output;
227 tps6586x->gpio.set = tps6586x_gpio_set;
228 tps6586x->gpio.get = tps6586x_gpio_get;
229
230 return gpiochip_add(&tps6586x->gpio);
231 }
232
233 static int __remove_subdev(struct device *dev, void *unused)
234 {
235 platform_device_unregister(to_platform_device(dev));
236 return 0;
237 }
238
239 static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
240 {
241 return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
242 }
243
244 static void tps6586x_irq_lock(struct irq_data *data)
245 {
246 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
247
248 mutex_lock(&tps6586x->irq_lock);
249 }
250
251 static void tps6586x_irq_enable(struct irq_data *irq_data)
252 {
253 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
254 unsigned int __irq = irq_data->irq - tps6586x->irq_base;
255 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
256
257 tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
258 tps6586x->irq_en |= (1 << __irq);
259 }
260
261 static void tps6586x_irq_disable(struct irq_data *irq_data)
262 {
263 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
264
265 unsigned int __irq = irq_data->irq - tps6586x->irq_base;
266 const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
267
268 tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
269 tps6586x->irq_en &= ~(1 << __irq);
270 }
271
272 static void tps6586x_irq_sync_unlock(struct irq_data *data)
273 {
274 struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
275 int i;
276
277 for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
278 int ret;
279 ret = tps6586x_write(tps6586x->dev,
280 TPS6586X_INT_MASK1 + i,
281 tps6586x->mask_reg[i]);
282 WARN_ON(ret);
283 }
284
285 mutex_unlock(&tps6586x->irq_lock);
286 }
287
288 static irqreturn_t tps6586x_irq(int irq, void *data)
289 {
290 struct tps6586x *tps6586x = data;
291 u32 acks;
292 int ret = 0;
293
294 ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
295 sizeof(acks), (uint8_t *)&acks);
296
297 if (ret < 0) {
298 dev_err(tps6586x->dev, "failed to read interrupt status\n");
299 return IRQ_NONE;
300 }
301
302 acks = le32_to_cpu(acks);
303
304 while (acks) {
305 int i = __ffs(acks);
306
307 if (tps6586x->irq_en & (1 << i))
308 handle_nested_irq(tps6586x->irq_base + i);
309
310 acks &= ~(1 << i);
311 }
312
313 return IRQ_HANDLED;
314 }
315
316 static int __devinit tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
317 int irq_base)
318 {
319 int i, ret;
320 u8 tmp[4];
321
322 if (!irq_base) {
323 dev_warn(tps6586x->dev, "No interrupt support on IRQ base\n");
324 return -EINVAL;
325 }
326
327 mutex_init(&tps6586x->irq_lock);
328 for (i = 0; i < 5; i++) {
329 tps6586x->mask_reg[i] = 0xff;
330 tps6586x_write(tps6586x->dev, TPS6586X_INT_MASK1 + i, 0xff);
331 }
332
333 tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1, sizeof(tmp), tmp);
334
335 tps6586x->irq_base = irq_base;
336
337 tps6586x->irq_chip.name = "tps6586x";
338 tps6586x->irq_chip.irq_enable = tps6586x_irq_enable;
339 tps6586x->irq_chip.irq_disable = tps6586x_irq_disable;
340 tps6586x->irq_chip.irq_bus_lock = tps6586x_irq_lock;
341 tps6586x->irq_chip.irq_bus_sync_unlock = tps6586x_irq_sync_unlock;
342
343 for (i = 0; i < ARRAY_SIZE(tps6586x_irqs); i++) {
344 int __irq = i + tps6586x->irq_base;
345 irq_set_chip_data(__irq, tps6586x);
346 irq_set_chip_and_handler(__irq, &tps6586x->irq_chip,
347 handle_simple_irq);
348 irq_set_nested_thread(__irq, 1);
349 #ifdef CONFIG_ARM
350 set_irq_flags(__irq, IRQF_VALID);
351 #endif
352 }
353
354 ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT,
355 "tps6586x", tps6586x);
356
357 if (!ret) {
358 device_init_wakeup(tps6586x->dev, 1);
359 enable_irq_wake(irq);
360 }
361
362 return ret;
363 }
364
365 static int __devinit tps6586x_add_subdevs(struct tps6586x *tps6586x,
366 struct tps6586x_platform_data *pdata)
367 {
368 struct tps6586x_subdev_info *subdev;
369 struct platform_device *pdev;
370 int i, ret = 0;
371
372 for (i = 0; i < pdata->num_subdevs; i++) {
373 subdev = &pdata->subdevs[i];
374
375 pdev = platform_device_alloc(subdev->name, subdev->id);
376 if (!pdev) {
377 ret = -ENOMEM;
378 goto failed;
379 }
380
381 pdev->dev.parent = tps6586x->dev;
382 pdev->dev.platform_data = subdev->platform_data;
383 pdev->dev.of_node = subdev->of_node;
384
385 ret = platform_device_add(pdev);
386 if (ret) {
387 platform_device_put(pdev);
388 goto failed;
389 }
390 }
391 return 0;
392
393 failed:
394 tps6586x_remove_subdevs(tps6586x);
395 return ret;
396 }
397
398 #ifdef CONFIG_OF
399 static struct of_regulator_match tps6586x_matches[] = {
400 { .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
401 { .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
402 { .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
403 { .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
404 { .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
405 { .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
406 { .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
407 { .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
408 { .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
409 { .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
410 { .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
411 { .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
412 { .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
413 { .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
414 };
415
416 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
417 {
418 const unsigned int num = ARRAY_SIZE(tps6586x_matches);
419 struct device_node *np = client->dev.of_node;
420 struct tps6586x_platform_data *pdata;
421 struct tps6586x_subdev_info *devs;
422 struct device_node *regs;
423 unsigned int count;
424 unsigned int i, j;
425 int err;
426
427 regs = of_find_node_by_name(np, "regulators");
428 if (!regs)
429 return NULL;
430
431 err = of_regulator_match(&client->dev, regs, tps6586x_matches, num);
432 if (err < 0) {
433 of_node_put(regs);
434 return NULL;
435 }
436
437 of_node_put(regs);
438 count = err;
439
440 devs = devm_kzalloc(&client->dev, count * sizeof(*devs), GFP_KERNEL);
441 if (!devs)
442 return NULL;
443
444 for (i = 0, j = 0; i < num && j < count; i++) {
445 if (!tps6586x_matches[i].init_data)
446 continue;
447
448 devs[j].name = "tps6586x-regulator";
449 devs[j].platform_data = tps6586x_matches[i].init_data;
450 devs[j].id = (int)tps6586x_matches[i].driver_data;
451 devs[j].of_node = tps6586x_matches[i].of_node;
452 j++;
453 }
454
455 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
456 if (!pdata)
457 return NULL;
458
459 pdata->num_subdevs = count;
460 pdata->subdevs = devs;
461 pdata->gpio_base = -1;
462 pdata->irq_base = -1;
463
464 return pdata;
465 }
466
467 static struct of_device_id tps6586x_of_match[] = {
468 { .compatible = "ti,tps6586x", },
469 { },
470 };
471 #else
472 static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
473 {
474 return NULL;
475 }
476 #endif
477
478 static bool is_volatile_reg(struct device *dev, unsigned int reg)
479 {
480 /* Cache all interrupt mask register */
481 if ((reg >= TPS6586X_INT_MASK1) && (reg <= TPS6586X_INT_MASK5))
482 return false;
483
484 return true;
485 }
486
487 static const struct regmap_config tps6586x_regmap_config = {
488 .reg_bits = 8,
489 .val_bits = 8,
490 .max_register = TPS6586X_MAX_REGISTER - 1,
491 .volatile_reg = is_volatile_reg,
492 .cache_type = REGCACHE_RBTREE,
493 };
494
495 static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
496 const struct i2c_device_id *id)
497 {
498 struct tps6586x_platform_data *pdata = client->dev.platform_data;
499 struct tps6586x *tps6586x;
500 int ret;
501
502 if (!pdata && client->dev.of_node)
503 pdata = tps6586x_parse_dt(client);
504
505 if (!pdata) {
506 dev_err(&client->dev, "tps6586x requires platform data\n");
507 return -ENOTSUPP;
508 }
509
510 ret = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC);
511 if (ret < 0) {
512 dev_err(&client->dev, "Chip ID read failed: %d\n", ret);
513 return -EIO;
514 }
515
516 dev_info(&client->dev, "VERSIONCRC is %02x\n", ret);
517
518 tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL);
519 if (tps6586x == NULL) {
520 dev_err(&client->dev, "memory for tps6586x alloc failed\n");
521 return -ENOMEM;
522 }
523
524 tps6586x->client = client;
525 tps6586x->dev = &client->dev;
526 i2c_set_clientdata(client, tps6586x);
527
528 tps6586x->regmap = devm_regmap_init_i2c(client,
529 &tps6586x_regmap_config);
530 if (IS_ERR(tps6586x->regmap)) {
531 ret = PTR_ERR(tps6586x->regmap);
532 dev_err(&client->dev, "regmap init failed: %d\n", ret);
533 return ret;
534 }
535
536
537 if (client->irq) {
538 ret = tps6586x_irq_init(tps6586x, client->irq,
539 pdata->irq_base);
540 if (ret) {
541 dev_err(&client->dev, "IRQ init failed: %d\n", ret);
542 return ret;
543 }
544 }
545
546 ret = tps6586x_gpio_init(tps6586x, pdata->gpio_base);
547 if (ret) {
548 dev_err(&client->dev, "GPIO registration failed: %d\n", ret);
549 goto err_gpio_init;
550 }
551
552 ret = tps6586x_add_subdevs(tps6586x, pdata);
553 if (ret) {
554 dev_err(&client->dev, "add devices failed: %d\n", ret);
555 goto err_add_devs;
556 }
557
558 return 0;
559
560 err_add_devs:
561 if (pdata->gpio_base) {
562 ret = gpiochip_remove(&tps6586x->gpio);
563 if (ret)
564 dev_err(&client->dev, "Can't remove gpio chip: %d\n",
565 ret);
566 }
567 err_gpio_init:
568 if (client->irq)
569 free_irq(client->irq, tps6586x);
570
571 return ret;
572 }
573
574 static int __devexit tps6586x_i2c_remove(struct i2c_client *client)
575 {
576 struct tps6586x *tps6586x = i2c_get_clientdata(client);
577 struct tps6586x_platform_data *pdata = client->dev.platform_data;
578 int ret;
579
580 if (client->irq)
581 free_irq(client->irq, tps6586x);
582
583 if (pdata->gpio_base) {
584 ret = gpiochip_remove(&tps6586x->gpio);
585 if (ret)
586 dev_err(&client->dev, "Can't remove gpio chip: %d\n",
587 ret);
588 }
589
590 tps6586x_remove_subdevs(tps6586x);
591 return 0;
592 }
593
594 static const struct i2c_device_id tps6586x_id_table[] = {
595 { "tps6586x", 0 },
596 { },
597 };
598 MODULE_DEVICE_TABLE(i2c, tps6586x_id_table);
599
600 static struct i2c_driver tps6586x_driver = {
601 .driver = {
602 .name = "tps6586x",
603 .owner = THIS_MODULE,
604 .of_match_table = of_match_ptr(tps6586x_of_match),
605 },
606 .probe = tps6586x_i2c_probe,
607 .remove = __devexit_p(tps6586x_i2c_remove),
608 .id_table = tps6586x_id_table,
609 };
610
611 static int __init tps6586x_init(void)
612 {
613 return i2c_add_driver(&tps6586x_driver);
614 }
615 subsys_initcall(tps6586x_init);
616
617 static void __exit tps6586x_exit(void)
618 {
619 i2c_del_driver(&tps6586x_driver);
620 }
621 module_exit(tps6586x_exit);
622
623 MODULE_DESCRIPTION("TPS6586X core driver");
624 MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
625 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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