Commit | Line | Data |
---|---|---|
0f5f7078 | 1 | /* |
63063bfb | 2 | * sec-core.c |
0f5f7078 | 3 | * |
63063bfb | 4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd |
0f5f7078 SK |
5 | * http://www.samsung.com |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the License, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/moduleparam.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/err.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/i2c.h> | |
1c5a099b | 20 | #include <linux/of.h> |
26aec009 | 21 | #include <linux/of_irq.h> |
0f5f7078 SK |
22 | #include <linux/interrupt.h> |
23 | #include <linux/pm_runtime.h> | |
24 | #include <linux/mutex.h> | |
25 | #include <linux/mfd/core.h> | |
54227bcf SK |
26 | #include <linux/mfd/samsung/core.h> |
27 | #include <linux/mfd/samsung/irq.h> | |
ce24991e | 28 | #include <linux/mfd/samsung/s2mpa01.h> |
25f311fa | 29 | #include <linux/mfd/samsung/s2mps11.h> |
76b9840b | 30 | #include <linux/mfd/samsung/s2mps13.h> |
dc691966 | 31 | #include <linux/mfd/samsung/s2mps14.h> |
00e2573d | 32 | #include <linux/mfd/samsung/s2mpu02.h> |
25f311fa MB |
33 | #include <linux/mfd/samsung/s5m8763.h> |
34 | #include <linux/mfd/samsung/s5m8767.h> | |
0f5f7078 SK |
35 | #include <linux/regmap.h> |
36 | ||
5ac98553 | 37 | static const struct mfd_cell s5m8751_devs[] = { |
88a1cfd6 SK |
38 | { |
39 | .name = "s5m8751-pmic", | |
40 | }, { | |
41 | .name = "s5m-charger", | |
42 | }, { | |
43 | .name = "s5m8751-codec", | |
44 | }, | |
45 | }; | |
46 | ||
5ac98553 | 47 | static const struct mfd_cell s5m8763_devs[] = { |
88a1cfd6 SK |
48 | { |
49 | .name = "s5m8763-pmic", | |
50 | }, { | |
51 | .name = "s5m-rtc", | |
52 | }, { | |
53 | .name = "s5m-charger", | |
54 | }, | |
55 | }; | |
56 | ||
5ac98553 | 57 | static const struct mfd_cell s5m8767_devs[] = { |
0f5f7078 SK |
58 | { |
59 | .name = "s5m8767-pmic", | |
60 | }, { | |
61 | .name = "s5m-rtc", | |
39fed00f TB |
62 | }, { |
63 | .name = "s5m8767-clk", | |
53c31b34 | 64 | .of_compatible = "samsung,s5m8767-clk", |
39fed00f | 65 | } |
0f5f7078 SK |
66 | }; |
67 | ||
5ac98553 | 68 | static const struct mfd_cell s2mps11_devs[] = { |
9b6d1343 SK |
69 | { |
70 | .name = "s2mps11-pmic", | |
eea2e596 KK |
71 | }, { |
72 | .name = "s2mps14-rtc", | |
3134bcae YSB |
73 | }, { |
74 | .name = "s2mps11-clk", | |
53c31b34 | 75 | .of_compatible = "samsung,s2mps11-clk", |
3134bcae | 76 | } |
9b6d1343 SK |
77 | }; |
78 | ||
3bc2ee91 CC |
79 | static const struct mfd_cell s2mps13_devs[] = { |
80 | { .name = "s2mps13-pmic", }, | |
81 | { .name = "s2mps13-rtc", }, | |
82 | { | |
83 | .name = "s2mps13-clk", | |
84 | .of_compatible = "samsung,s2mps13-clk", | |
85 | }, | |
86 | }; | |
87 | ||
dc691966 KK |
88 | static const struct mfd_cell s2mps14_devs[] = { |
89 | { | |
90 | .name = "s2mps14-pmic", | |
91 | }, { | |
92 | .name = "s2mps14-rtc", | |
93 | }, { | |
94 | .name = "s2mps14-clk", | |
53c31b34 | 95 | .of_compatible = "samsung,s2mps14-clk", |
dc691966 KK |
96 | } |
97 | }; | |
98 | ||
ce24991e SK |
99 | static const struct mfd_cell s2mpa01_devs[] = { |
100 | { | |
101 | .name = "s2mpa01-pmic", | |
102 | }, | |
103 | }; | |
104 | ||
54e8827d | 105 | static const struct mfd_cell s2mpu02_devs[] = { |
54e8827d | 106 | { |
644a3746 KK |
107 | .name = "s2mpu02-pmic", |
108 | }, | |
54e8827d CC |
109 | }; |
110 | ||
26aec009 | 111 | #ifdef CONFIG_OF |
df20b7c5 | 112 | static const struct of_device_id sec_dt_match[] = { |
26aec009 ADK |
113 | { .compatible = "samsung,s5m8767-pmic", |
114 | .data = (void *)S5M8767X, | |
ce24991e SK |
115 | }, { |
116 | .compatible = "samsung,s2mps11-pmic", | |
aa32acad | 117 | .data = (void *)S2MPS11X, |
3bc2ee91 CC |
118 | }, { |
119 | .compatible = "samsung,s2mps13-pmic", | |
120 | .data = (void *)S2MPS13X, | |
ce24991e SK |
121 | }, { |
122 | .compatible = "samsung,s2mps14-pmic", | |
dc691966 | 123 | .data = (void *)S2MPS14X, |
ce24991e SK |
124 | }, { |
125 | .compatible = "samsung,s2mpa01-pmic", | |
126 | .data = (void *)S2MPA01, | |
54e8827d CC |
127 | }, { |
128 | .compatible = "samsung,s2mpu02-pmic", | |
129 | .data = (void *)S2MPU02, | |
ce24991e SK |
130 | }, { |
131 | /* Sentinel */ | |
dc691966 | 132 | }, |
26aec009 ADK |
133 | }; |
134 | #endif | |
135 | ||
ce24991e SK |
136 | static bool s2mpa01_volatile(struct device *dev, unsigned int reg) |
137 | { | |
138 | switch (reg) { | |
139 | case S2MPA01_REG_INT1M: | |
140 | case S2MPA01_REG_INT2M: | |
141 | case S2MPA01_REG_INT3M: | |
142 | return false; | |
143 | default: | |
144 | return true; | |
145 | } | |
146 | } | |
147 | ||
6b845ba9 MB |
148 | static bool s2mps11_volatile(struct device *dev, unsigned int reg) |
149 | { | |
150 | switch (reg) { | |
151 | case S2MPS11_REG_INT1M: | |
152 | case S2MPS11_REG_INT2M: | |
153 | case S2MPS11_REG_INT3M: | |
154 | return false; | |
155 | default: | |
156 | return true; | |
157 | } | |
158 | } | |
159 | ||
00e2573d CC |
160 | static bool s2mpu02_volatile(struct device *dev, unsigned int reg) |
161 | { | |
162 | switch (reg) { | |
163 | case S2MPU02_REG_INT1M: | |
164 | case S2MPU02_REG_INT2M: | |
165 | case S2MPU02_REG_INT3M: | |
166 | return false; | |
167 | default: | |
168 | return true; | |
169 | } | |
170 | } | |
171 | ||
6b845ba9 MB |
172 | static bool s5m8763_volatile(struct device *dev, unsigned int reg) |
173 | { | |
174 | switch (reg) { | |
175 | case S5M8763_REG_IRQM1: | |
176 | case S5M8763_REG_IRQM2: | |
177 | case S5M8763_REG_IRQM3: | |
178 | case S5M8763_REG_IRQM4: | |
179 | return false; | |
180 | default: | |
181 | return true; | |
182 | } | |
183 | } | |
184 | ||
a30fffb0 | 185 | static const struct regmap_config sec_regmap_config = { |
0f5f7078 SK |
186 | .reg_bits = 8, |
187 | .val_bits = 8, | |
188 | }; | |
189 | ||
ce24991e SK |
190 | static const struct regmap_config s2mpa01_regmap_config = { |
191 | .reg_bits = 8, | |
192 | .val_bits = 8, | |
193 | ||
194 | .max_register = S2MPA01_REG_LDO_OVCB4, | |
195 | .volatile_reg = s2mpa01_volatile, | |
196 | .cache_type = REGCACHE_FLAT, | |
197 | }; | |
198 | ||
a30fffb0 | 199 | static const struct regmap_config s2mps11_regmap_config = { |
25f311fa MB |
200 | .reg_bits = 8, |
201 | .val_bits = 8, | |
202 | ||
203 | .max_register = S2MPS11_REG_L38CTRL, | |
6b845ba9 MB |
204 | .volatile_reg = s2mps11_volatile, |
205 | .cache_type = REGCACHE_FLAT, | |
25f311fa MB |
206 | }; |
207 | ||
76b9840b CC |
208 | static const struct regmap_config s2mps13_regmap_config = { |
209 | .reg_bits = 8, | |
210 | .val_bits = 8, | |
211 | ||
212 | .max_register = S2MPS13_REG_LDODSCH5, | |
213 | .volatile_reg = s2mps11_volatile, | |
214 | .cache_type = REGCACHE_FLAT, | |
215 | }; | |
216 | ||
dc691966 KK |
217 | static const struct regmap_config s2mps14_regmap_config = { |
218 | .reg_bits = 8, | |
219 | .val_bits = 8, | |
220 | ||
221 | .max_register = S2MPS14_REG_LDODSCH3, | |
222 | .volatile_reg = s2mps11_volatile, | |
223 | .cache_type = REGCACHE_FLAT, | |
224 | }; | |
225 | ||
00e2573d CC |
226 | static const struct regmap_config s2mpu02_regmap_config = { |
227 | .reg_bits = 8, | |
228 | .val_bits = 8, | |
229 | ||
230 | .max_register = S2MPU02_REG_DVSDATA, | |
231 | .volatile_reg = s2mpu02_volatile, | |
232 | .cache_type = REGCACHE_FLAT, | |
233 | }; | |
234 | ||
a30fffb0 | 235 | static const struct regmap_config s5m8763_regmap_config = { |
25f311fa MB |
236 | .reg_bits = 8, |
237 | .val_bits = 8, | |
238 | ||
239 | .max_register = S5M8763_REG_LBCNFG2, | |
6b845ba9 MB |
240 | .volatile_reg = s5m8763_volatile, |
241 | .cache_type = REGCACHE_FLAT, | |
25f311fa MB |
242 | }; |
243 | ||
a30fffb0 | 244 | static const struct regmap_config s5m8767_regmap_config = { |
25f311fa MB |
245 | .reg_bits = 8, |
246 | .val_bits = 8, | |
247 | ||
248 | .max_register = S5M8767_REG_LDO28CTRL, | |
6b845ba9 MB |
249 | .volatile_reg = s2mps11_volatile, |
250 | .cache_type = REGCACHE_FLAT, | |
25f311fa | 251 | }; |
26aec009 | 252 | |
c2c9f1fe KK |
253 | static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic) |
254 | { | |
255 | unsigned int val; | |
256 | ||
257 | /* For each device type, the REG_ID is always the first register */ | |
258 | if (!regmap_read(sec_pmic->regmap_pmic, S2MPS11_REG_ID, &val)) | |
259 | dev_dbg(sec_pmic->dev, "Revision: 0x%x\n", val); | |
260 | } | |
261 | ||
8a97d428 KK |
262 | static void sec_pmic_configure(struct sec_pmic_dev *sec_pmic) |
263 | { | |
264 | int err; | |
265 | ||
266 | if (sec_pmic->device_type != S2MPS13X) | |
267 | return; | |
268 | ||
269 | if (sec_pmic->pdata->disable_wrstbi) { | |
270 | /* | |
271 | * If WRSTBI pin is pulled down this feature must be disabled | |
272 | * because each Suspend to RAM will trigger buck voltage reset | |
273 | * to default values. | |
274 | */ | |
275 | err = regmap_update_bits(sec_pmic->regmap_pmic, | |
276 | S2MPS13_REG_WRSTBI, | |
277 | S2MPS13_REG_WRSTBI_MASK, 0x0); | |
278 | if (err) | |
279 | dev_warn(sec_pmic->dev, | |
280 | "Cannot initialize WRSTBI config: %d\n", | |
281 | err); | |
282 | } | |
283 | } | |
284 | ||
26aec009 ADK |
285 | #ifdef CONFIG_OF |
286 | /* | |
287 | * Only the common platform data elements for s5m8767 are parsed here from the | |
288 | * device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and | |
289 | * others have to parse their own platform data elements from device tree. | |
290 | * | |
291 | * The s5m8767 platform data structure is instantiated here and the drivers for | |
292 | * the sub-modules need not instantiate another instance while parsing their | |
293 | * platform data. | |
294 | */ | |
295 | static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata( | |
296 | struct device *dev) | |
297 | { | |
298 | struct sec_platform_data *pd; | |
299 | ||
300 | pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); | |
82a00c49 | 301 | if (!pd) |
26aec009 | 302 | return ERR_PTR(-ENOMEM); |
26aec009 ADK |
303 | |
304 | /* | |
305 | * ToDo: the 'wakeup' member in the platform data is more of a linux | |
306 | * specfic information. Hence, there is no binding for that yet and | |
307 | * not parsed here. | |
308 | */ | |
309 | ||
d785334a KK |
310 | pd->manual_poweroff = of_property_read_bool(dev->of_node, |
311 | "samsung,s2mps11-acokb-ground"); | |
8a97d428 KK |
312 | pd->disable_wrstbi = of_property_read_bool(dev->of_node, |
313 | "samsung,s2mps11-wrstbi-ground"); | |
26aec009 ADK |
314 | return pd; |
315 | } | |
316 | #else | |
197bf856 | 317 | static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata( |
26aec009 ADK |
318 | struct device *dev) |
319 | { | |
005718c0 | 320 | return NULL; |
26aec009 ADK |
321 | } |
322 | #endif | |
323 | ||
8f695de5 | 324 | static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c, |
26aec009 ADK |
325 | const struct i2c_device_id *id) |
326 | { | |
327 | #ifdef CONFIG_OF | |
328 | if (i2c->dev.of_node) { | |
329 | const struct of_device_id *match; | |
b6c1cb4d | 330 | |
26aec009 | 331 | match = of_match_node(sec_dt_match, i2c->dev.of_node); |
8f695de5 | 332 | return (unsigned long)match->data; |
26aec009 ADK |
333 | } |
334 | #endif | |
8f695de5 | 335 | return id->driver_data; |
26aec009 ADK |
336 | } |
337 | ||
63063bfb | 338 | static int sec_pmic_probe(struct i2c_client *i2c, |
0f5f7078 SK |
339 | const struct i2c_device_id *id) |
340 | { | |
334a41ce | 341 | struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev); |
e349c910 | 342 | const struct regmap_config *regmap; |
54e8827d | 343 | const struct mfd_cell *sec_devs; |
63063bfb | 344 | struct sec_pmic_dev *sec_pmic; |
9549b5ff | 345 | unsigned long device_type; |
54e8827d | 346 | int ret, num_sec_devs; |
0f5f7078 | 347 | |
63063bfb | 348 | sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev), |
621210e2 | 349 | GFP_KERNEL); |
63063bfb | 350 | if (sec_pmic == NULL) |
0f5f7078 SK |
351 | return -ENOMEM; |
352 | ||
63063bfb SK |
353 | i2c_set_clientdata(i2c, sec_pmic); |
354 | sec_pmic->dev = &i2c->dev; | |
355 | sec_pmic->i2c = i2c; | |
356 | sec_pmic->irq = i2c->irq; | |
9549b5ff | 357 | device_type = sec_i2c_get_driver_data(i2c, id); |
26aec009 ADK |
358 | |
359 | if (sec_pmic->dev->of_node) { | |
360 | pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev); | |
361 | if (IS_ERR(pdata)) { | |
362 | ret = PTR_ERR(pdata); | |
363 | return ret; | |
364 | } | |
9549b5ff | 365 | pdata->device_type = device_type; |
26aec009 | 366 | } |
0f5f7078 | 367 | if (pdata) { |
63063bfb | 368 | sec_pmic->device_type = pdata->device_type; |
63063bfb SK |
369 | sec_pmic->irq_base = pdata->irq_base; |
370 | sec_pmic->wakeup = pdata->wakeup; | |
26aec009 | 371 | sec_pmic->pdata = pdata; |
0f5f7078 SK |
372 | } |
373 | ||
25f311fa | 374 | switch (sec_pmic->device_type) { |
ce24991e SK |
375 | case S2MPA01: |
376 | regmap = &s2mpa01_regmap_config; | |
377 | break; | |
25f311fa MB |
378 | case S2MPS11X: |
379 | regmap = &s2mps11_regmap_config; | |
dc691966 | 380 | break; |
76b9840b CC |
381 | case S2MPS13X: |
382 | regmap = &s2mps13_regmap_config; | |
383 | break; | |
dc691966 KK |
384 | case S2MPS14X: |
385 | regmap = &s2mps14_regmap_config; | |
25f311fa MB |
386 | break; |
387 | case S5M8763X: | |
388 | regmap = &s5m8763_regmap_config; | |
389 | break; | |
390 | case S5M8767X: | |
391 | regmap = &s5m8767_regmap_config; | |
392 | break; | |
00e2573d CC |
393 | case S2MPU02: |
394 | regmap = &s2mpu02_regmap_config; | |
395 | break; | |
25f311fa MB |
396 | default: |
397 | regmap = &sec_regmap_config; | |
398 | break; | |
399 | } | |
400 | ||
3e1e4a5f KK |
401 | sec_pmic->regmap_pmic = devm_regmap_init_i2c(i2c, regmap); |
402 | if (IS_ERR(sec_pmic->regmap_pmic)) { | |
403 | ret = PTR_ERR(sec_pmic->regmap_pmic); | |
0f5f7078 | 404 | dev_err(&i2c->dev, "Failed to allocate register map: %d\n", |
61a2af30 | 405 | ret); |
1092e1c7 | 406 | return ret; |
0f5f7078 SK |
407 | } |
408 | ||
c3ebb30a | 409 | if (pdata && pdata->cfg_pmic_irq) |
0f5f7078 SK |
410 | pdata->cfg_pmic_irq(); |
411 | ||
63063bfb | 412 | sec_irq_init(sec_pmic); |
0f5f7078 | 413 | |
63063bfb | 414 | pm_runtime_set_active(sec_pmic->dev); |
0f5f7078 | 415 | |
63063bfb | 416 | switch (sec_pmic->device_type) { |
88a1cfd6 | 417 | case S5M8751X: |
54e8827d CC |
418 | sec_devs = s5m8751_devs; |
419 | num_sec_devs = ARRAY_SIZE(s5m8751_devs); | |
88a1cfd6 SK |
420 | break; |
421 | case S5M8763X: | |
54e8827d CC |
422 | sec_devs = s5m8763_devs; |
423 | num_sec_devs = ARRAY_SIZE(s5m8763_devs); | |
88a1cfd6 SK |
424 | break; |
425 | case S5M8767X: | |
54e8827d CC |
426 | sec_devs = s5m8767_devs; |
427 | num_sec_devs = ARRAY_SIZE(s5m8767_devs); | |
88a1cfd6 | 428 | break; |
ce24991e | 429 | case S2MPA01: |
54e8827d CC |
430 | sec_devs = s2mpa01_devs; |
431 | num_sec_devs = ARRAY_SIZE(s2mpa01_devs); | |
ce24991e | 432 | break; |
9b6d1343 | 433 | case S2MPS11X: |
54e8827d CC |
434 | sec_devs = s2mps11_devs; |
435 | num_sec_devs = ARRAY_SIZE(s2mps11_devs); | |
9b6d1343 | 436 | break; |
3bc2ee91 CC |
437 | case S2MPS13X: |
438 | sec_devs = s2mps13_devs; | |
439 | num_sec_devs = ARRAY_SIZE(s2mps13_devs); | |
440 | break; | |
dc691966 | 441 | case S2MPS14X: |
54e8827d CC |
442 | sec_devs = s2mps14_devs; |
443 | num_sec_devs = ARRAY_SIZE(s2mps14_devs); | |
444 | break; | |
445 | case S2MPU02: | |
446 | sec_devs = s2mpu02_devs; | |
447 | num_sec_devs = ARRAY_SIZE(s2mpu02_devs); | |
dc691966 | 448 | break; |
88a1cfd6 SK |
449 | default: |
450 | /* If this happens the probe function is problem */ | |
451 | BUG(); | |
452 | } | |
54e8827d CC |
453 | ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL, |
454 | 0, NULL); | |
15447a46 | 455 | if (ret) |
8c66eece | 456 | goto err_mfd; |
0f5f7078 | 457 | |
f6d6daaf | 458 | device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup); |
8a97d428 | 459 | sec_pmic_configure(sec_pmic); |
c2c9f1fe | 460 | sec_pmic_dump_rev(sec_pmic); |
f6d6daaf | 461 | |
0f5f7078 SK |
462 | return ret; |
463 | ||
8c66eece | 464 | err_mfd: |
63063bfb | 465 | sec_irq_exit(sec_pmic); |
0f5f7078 SK |
466 | return ret; |
467 | } | |
468 | ||
63063bfb | 469 | static int sec_pmic_remove(struct i2c_client *i2c) |
0f5f7078 | 470 | { |
63063bfb | 471 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); |
0f5f7078 | 472 | |
63063bfb SK |
473 | mfd_remove_devices(sec_pmic->dev); |
474 | sec_irq_exit(sec_pmic); | |
0f5f7078 SK |
475 | return 0; |
476 | } | |
477 | ||
d785334a KK |
478 | static void sec_pmic_shutdown(struct i2c_client *i2c) |
479 | { | |
480 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); | |
481 | unsigned int reg, mask; | |
482 | ||
483 | if (!sec_pmic->pdata->manual_poweroff) | |
484 | return; | |
485 | ||
486 | switch (sec_pmic->device_type) { | |
487 | case S2MPS11X: | |
488 | reg = S2MPS11_REG_CTRL1; | |
489 | mask = S2MPS11_CTRL1_PWRHOLD_MASK; | |
490 | break; | |
491 | default: | |
492 | /* | |
493 | * Currently only one board with S2MPS11 needs this, so just | |
494 | * ignore the rest. | |
495 | */ | |
496 | dev_warn(sec_pmic->dev, | |
497 | "Unsupported device %lu for manual power off\n", | |
498 | sec_pmic->device_type); | |
499 | return; | |
500 | } | |
501 | ||
502 | regmap_update_bits(sec_pmic->regmap_pmic, reg, mask, 0); | |
503 | } | |
504 | ||
8321bbf8 | 505 | #ifdef CONFIG_PM_SLEEP |
f6d6daaf KK |
506 | static int sec_pmic_suspend(struct device *dev) |
507 | { | |
508 | struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); | |
509 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); | |
510 | ||
360d15d6 | 511 | if (device_may_wakeup(dev)) |
f6d6daaf | 512 | enable_irq_wake(sec_pmic->irq); |
360d15d6 KK |
513 | /* |
514 | * PMIC IRQ must be disabled during suspend for RTC alarm | |
515 | * to work properly. | |
516 | * When device is woken up from suspend, an | |
517 | * interrupt occurs before resuming I2C bus controller. | |
518 | * The interrupt is handled by regmap_irq_thread which tries | |
519 | * to read RTC registers. This read fails (I2C is still | |
520 | * suspended) and RTC Alarm interrupt is disabled. | |
521 | */ | |
522 | disable_irq(sec_pmic->irq); | |
f6d6daaf KK |
523 | |
524 | return 0; | |
525 | } | |
526 | ||
527 | static int sec_pmic_resume(struct device *dev) | |
528 | { | |
529 | struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); | |
530 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); | |
531 | ||
360d15d6 | 532 | if (device_may_wakeup(dev)) |
f6d6daaf | 533 | disable_irq_wake(sec_pmic->irq); |
360d15d6 | 534 | enable_irq(sec_pmic->irq); |
f6d6daaf KK |
535 | |
536 | return 0; | |
537 | } | |
8321bbf8 | 538 | #endif /* CONFIG_PM_SLEEP */ |
f6d6daaf KK |
539 | |
540 | static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume); | |
541 | ||
63063bfb SK |
542 | static const struct i2c_device_id sec_pmic_id[] = { |
543 | { "sec_pmic", 0 }, | |
0f5f7078 SK |
544 | { } |
545 | }; | |
63063bfb | 546 | MODULE_DEVICE_TABLE(i2c, sec_pmic_id); |
0f5f7078 | 547 | |
63063bfb | 548 | static struct i2c_driver sec_pmic_driver = { |
0f5f7078 | 549 | .driver = { |
63063bfb | 550 | .name = "sec_pmic", |
f6d6daaf | 551 | .pm = &sec_pmic_pm_ops, |
26aec009 | 552 | .of_match_table = of_match_ptr(sec_dt_match), |
0f5f7078 | 553 | }, |
63063bfb SK |
554 | .probe = sec_pmic_probe, |
555 | .remove = sec_pmic_remove, | |
d785334a | 556 | .shutdown = sec_pmic_shutdown, |
63063bfb | 557 | .id_table = sec_pmic_id, |
0f5f7078 SK |
558 | }; |
559 | ||
63063bfb | 560 | static int __init sec_pmic_init(void) |
0f5f7078 | 561 | { |
63063bfb | 562 | return i2c_add_driver(&sec_pmic_driver); |
0f5f7078 SK |
563 | } |
564 | ||
63063bfb | 565 | subsys_initcall(sec_pmic_init); |
0f5f7078 | 566 | |
63063bfb | 567 | static void __exit sec_pmic_exit(void) |
0f5f7078 | 568 | { |
63063bfb | 569 | i2c_del_driver(&sec_pmic_driver); |
0f5f7078 | 570 | } |
63063bfb | 571 | module_exit(sec_pmic_exit); |
0f5f7078 SK |
572 | |
573 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); | |
574 | MODULE_DESCRIPTION("Core support for the S5M MFD"); | |
575 | MODULE_LICENSE("GPL"); |