Version:  2.6.34 2.6.35 2.6.36 2.6.37 2.6.38 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14

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

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us