| | 1 | /* |
| | 2 | * sec-core.c |
| | 3 | * |
| | 4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd |
| | 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> |
| | 20 | #include <linux/of.h> |
| | 21 | #include <linux/of_irq.h> |
| | 22 | #include <linux/interrupt.h> |
| | 23 | #include <linux/pm_runtime.h> |
| | 24 | #include <linux/mutex.h> |
| | 25 | #include <linux/mfd/core.h> |
| | 26 | #include <linux/mfd/samsung/core.h> |
| | 27 | #include <linux/mfd/samsung/irq.h> |
| | 28 | #include <linux/mfd/samsung/s2mpa01.h> |
| | 29 | #include <linux/mfd/samsung/s2mps11.h> |
| | 30 | #include <linux/mfd/samsung/s2mps13.h> |
| | 31 | #include <linux/mfd/samsung/s2mps14.h> |
| | 32 | #include <linux/mfd/samsung/s2mpu02.h> |
| | 33 | #include <linux/mfd/samsung/s5m8763.h> |
| | 34 | #include <linux/mfd/samsung/s5m8767.h> |
| | 35 | #include <linux/regmap.h> |
| | 36 | |
| | 37 | static const struct mfd_cell s5m8751_devs[] = { |
| | 38 | { |
| | 39 | .name = "s5m8751-pmic", |
| | 40 | }, { |
| | 41 | .name = "s5m-charger", |
| | 42 | }, { |
| | 43 | .name = "s5m8751-codec", |
| | 44 | }, |
| | 45 | }; |
| | 46 | |
| | 47 | static const struct mfd_cell s5m8763_devs[] = { |
| | 48 | { |
| | 49 | .name = "s5m8763-pmic", |
| | 50 | }, { |
| | 51 | .name = "s5m-rtc", |
| | 52 | }, { |
| | 53 | .name = "s5m-charger", |
| | 54 | }, |
| | 55 | }; |
| | 56 | |
| | 57 | static const struct mfd_cell s5m8767_devs[] = { |
| | 58 | { |
| | 59 | .name = "s5m8767-pmic", |
| | 60 | }, { |
| | 61 | .name = "s5m-rtc", |
| | 62 | }, { |
| | 63 | .name = "s5m8767-clk", |
| | 64 | .of_compatible = "samsung,s5m8767-clk", |
| | 65 | } |
| | 66 | }; |
| | 67 | |
| | 68 | static const struct mfd_cell s2mps11_devs[] = { |
| | 69 | { |
| | 70 | .name = "s2mps11-pmic", |
| | 71 | }, { |
| | 72 | .name = "s2mps14-rtc", |
| | 73 | }, { |
| | 74 | .name = "s2mps11-clk", |
| | 75 | .of_compatible = "samsung,s2mps11-clk", |
| | 76 | } |
| | 77 | }; |
| | 78 | |
| | 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 | |
| | 88 | static const struct mfd_cell s2mps14_devs[] = { |
| | 89 | { |
| | 90 | .name = "s2mps14-pmic", |
| | 91 | }, { |
| | 92 | .name = "s2mps14-rtc", |
| | 93 | }, { |
| | 94 | .name = "s2mps14-clk", |
| | 95 | .of_compatible = "samsung,s2mps14-clk", |
| | 96 | } |
| | 97 | }; |
| | 98 | |
| | 99 | static const struct mfd_cell s2mpa01_devs[] = { |
| | 100 | { |
| | 101 | .name = "s2mpa01-pmic", |
| | 102 | }, |
| | 103 | }; |
| | 104 | |
| | 105 | static const struct mfd_cell s2mpu02_devs[] = { |
| | 106 | { .name = "s2mpu02-pmic", }, |
| | 107 | { .name = "s2mpu02-rtc", }, |
| | 108 | { |
| | 109 | .name = "s2mpu02-clk", |
| | 110 | .of_compatible = "samsung,s2mpu02-clk", |
| | 111 | } |
| | 112 | }; |
| | 113 | |
| | 114 | #ifdef CONFIG_OF |
| | 115 | static const struct of_device_id sec_dt_match[] = { |
| | 116 | { .compatible = "samsung,s5m8767-pmic", |
| | 117 | .data = (void *)S5M8767X, |
| | 118 | }, { |
| | 119 | .compatible = "samsung,s2mps11-pmic", |
| | 120 | .data = (void *)S2MPS11X, |
| | 121 | }, { |
| | 122 | .compatible = "samsung,s2mps13-pmic", |
| | 123 | .data = (void *)S2MPS13X, |
| | 124 | }, { |
| | 125 | .compatible = "samsung,s2mps14-pmic", |
| | 126 | .data = (void *)S2MPS14X, |
| | 127 | }, { |
| | 128 | .compatible = "samsung,s2mpa01-pmic", |
| | 129 | .data = (void *)S2MPA01, |
| | 130 | }, { |
| | 131 | .compatible = "samsung,s2mpu02-pmic", |
| | 132 | .data = (void *)S2MPU02, |
| | 133 | }, { |
| | 134 | /* Sentinel */ |
| | 135 | }, |
| | 136 | }; |
| | 137 | #endif |
| | 138 | |
| | 139 | static bool s2mpa01_volatile(struct device *dev, unsigned int reg) |
| | 140 | { |
| | 141 | switch (reg) { |
| | 142 | case S2MPA01_REG_INT1M: |
| | 143 | case S2MPA01_REG_INT2M: |
| | 144 | case S2MPA01_REG_INT3M: |
| | 145 | return false; |
| | 146 | default: |
| | 147 | return true; |
| | 148 | } |
| | 149 | } |
| | 150 | |
| | 151 | static bool s2mps11_volatile(struct device *dev, unsigned int reg) |
| | 152 | { |
| | 153 | switch (reg) { |
| | 154 | case S2MPS11_REG_INT1M: |
| | 155 | case S2MPS11_REG_INT2M: |
| | 156 | case S2MPS11_REG_INT3M: |
| | 157 | return false; |
| | 158 | default: |
| | 159 | return true; |
| | 160 | } |
| | 161 | } |
| | 162 | |
| | 163 | static bool s2mpu02_volatile(struct device *dev, unsigned int reg) |
| | 164 | { |
| | 165 | switch (reg) { |
| | 166 | case S2MPU02_REG_INT1M: |
| | 167 | case S2MPU02_REG_INT2M: |
| | 168 | case S2MPU02_REG_INT3M: |
| | 169 | return false; |
| | 170 | default: |
| | 171 | return true; |
| | 172 | } |
| | 173 | } |
| | 174 | |
| | 175 | static bool s5m8763_volatile(struct device *dev, unsigned int reg) |
| | 176 | { |
| | 177 | switch (reg) { |
| | 178 | case S5M8763_REG_IRQM1: |
| | 179 | case S5M8763_REG_IRQM2: |
| | 180 | case S5M8763_REG_IRQM3: |
| | 181 | case S5M8763_REG_IRQM4: |
| | 182 | return false; |
| | 183 | default: |
| | 184 | return true; |
| | 185 | } |
| | 186 | } |
| | 187 | |
| | 188 | static const struct regmap_config sec_regmap_config = { |
| | 189 | .reg_bits = 8, |
| | 190 | .val_bits = 8, |
| | 191 | }; |
| | 192 | |
| | 193 | static const struct regmap_config s2mpa01_regmap_config = { |
| | 194 | .reg_bits = 8, |
| | 195 | .val_bits = 8, |
| | 196 | |
| | 197 | .max_register = S2MPA01_REG_LDO_OVCB4, |
| | 198 | .volatile_reg = s2mpa01_volatile, |
| | 199 | .cache_type = REGCACHE_FLAT, |
| | 200 | }; |
| | 201 | |
| | 202 | static const struct regmap_config s2mps11_regmap_config = { |
| | 203 | .reg_bits = 8, |
| | 204 | .val_bits = 8, |
| | 205 | |
| | 206 | .max_register = S2MPS11_REG_L38CTRL, |
| | 207 | .volatile_reg = s2mps11_volatile, |
| | 208 | .cache_type = REGCACHE_FLAT, |
| | 209 | }; |
| | 210 | |
| | 211 | static const struct regmap_config s2mps13_regmap_config = { |
| | 212 | .reg_bits = 8, |
| | 213 | .val_bits = 8, |
| | 214 | |
| | 215 | .max_register = S2MPS13_REG_LDODSCH5, |
| | 216 | .volatile_reg = s2mps11_volatile, |
| | 217 | .cache_type = REGCACHE_FLAT, |
| | 218 | }; |
| | 219 | |
| | 220 | static const struct regmap_config s2mps14_regmap_config = { |
| | 221 | .reg_bits = 8, |
| | 222 | .val_bits = 8, |
| | 223 | |
| | 224 | .max_register = S2MPS14_REG_LDODSCH3, |
| | 225 | .volatile_reg = s2mps11_volatile, |
| | 226 | .cache_type = REGCACHE_FLAT, |
| | 227 | }; |
| | 228 | |
| | 229 | static const struct regmap_config s2mpu02_regmap_config = { |
| | 230 | .reg_bits = 8, |
| | 231 | .val_bits = 8, |
| | 232 | |
| | 233 | .max_register = S2MPU02_REG_DVSDATA, |
| | 234 | .volatile_reg = s2mpu02_volatile, |
| | 235 | .cache_type = REGCACHE_FLAT, |
| | 236 | }; |
| | 237 | |
| | 238 | static const struct regmap_config s5m8763_regmap_config = { |
| | 239 | .reg_bits = 8, |
| | 240 | .val_bits = 8, |
| | 241 | |
| | 242 | .max_register = S5M8763_REG_LBCNFG2, |
| | 243 | .volatile_reg = s5m8763_volatile, |
| | 244 | .cache_type = REGCACHE_FLAT, |
| | 245 | }; |
| | 246 | |
| | 247 | static const struct regmap_config s5m8767_regmap_config = { |
| | 248 | .reg_bits = 8, |
| | 249 | .val_bits = 8, |
| | 250 | |
| | 251 | .max_register = S5M8767_REG_LDO28CTRL, |
| | 252 | .volatile_reg = s2mps11_volatile, |
| | 253 | .cache_type = REGCACHE_FLAT, |
| | 254 | }; |
| | 255 | |
| | 256 | static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic) |
| | 257 | { |
| | 258 | unsigned int val; |
| | 259 | |
| | 260 | /* For each device type, the REG_ID is always the first register */ |
| | 261 | if (!regmap_read(sec_pmic->regmap_pmic, S2MPS11_REG_ID, &val)) |
| | 262 | dev_dbg(sec_pmic->dev, "Revision: 0x%x\n", val); |
| | 263 | } |
| | 264 | |
| | 265 | static void sec_pmic_configure(struct sec_pmic_dev *sec_pmic) |
| | 266 | { |
| | 267 | int err; |
| | 268 | |
| | 269 | if (sec_pmic->device_type != S2MPS13X) |
| | 270 | return; |
| | 271 | |
| | 272 | if (sec_pmic->pdata->disable_wrstbi) { |
| | 273 | /* |
| | 274 | * If WRSTBI pin is pulled down this feature must be disabled |
| | 275 | * because each Suspend to RAM will trigger buck voltage reset |
| | 276 | * to default values. |
| | 277 | */ |
| | 278 | err = regmap_update_bits(sec_pmic->regmap_pmic, |
| | 279 | S2MPS13_REG_WRSTBI, |
| | 280 | S2MPS13_REG_WRSTBI_MASK, 0x0); |
| | 281 | if (err) |
| | 282 | dev_warn(sec_pmic->dev, |
| | 283 | "Cannot initialize WRSTBI config: %d\n", |
| | 284 | err); |
| | 285 | } |
| | 286 | } |
| | 287 | |
| | 288 | #ifdef CONFIG_OF |
| | 289 | /* |
| | 290 | * Only the common platform data elements for s5m8767 are parsed here from the |
| | 291 | * device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and |
| | 292 | * others have to parse their own platform data elements from device tree. |
| | 293 | * |
| | 294 | * The s5m8767 platform data structure is instantiated here and the drivers for |
| | 295 | * the sub-modules need not instantiate another instance while parsing their |
| | 296 | * platform data. |
| | 297 | */ |
| | 298 | static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata( |
| | 299 | struct device *dev) |
| | 300 | { |
| | 301 | struct sec_platform_data *pd; |
| | 302 | |
| | 303 | pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); |
| | 304 | if (!pd) |
| | 305 | return ERR_PTR(-ENOMEM); |
| | 306 | |
| | 307 | /* |
| | 308 | * ToDo: the 'wakeup' member in the platform data is more of a linux |
| | 309 | * specfic information. Hence, there is no binding for that yet and |
| | 310 | * not parsed here. |
| | 311 | */ |
| | 312 | |
| | 313 | pd->manual_poweroff = of_property_read_bool(dev->of_node, |
| | 314 | "samsung,s2mps11-acokb-ground"); |
| | 315 | pd->disable_wrstbi = of_property_read_bool(dev->of_node, |
| | 316 | "samsung,s2mps11-wrstbi-ground"); |
| | 317 | return pd; |
| | 318 | } |
| | 319 | #else |
| | 320 | static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata( |
| | 321 | struct device *dev) |
| | 322 | { |
| | 323 | return NULL; |
| | 324 | } |
| | 325 | #endif |
| | 326 | |
| | 327 | static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c, |
| | 328 | const struct i2c_device_id *id) |
| | 329 | { |
| | 330 | #ifdef CONFIG_OF |
| | 331 | if (i2c->dev.of_node) { |
| | 332 | const struct of_device_id *match; |
| | 333 | |
| | 334 | match = of_match_node(sec_dt_match, i2c->dev.of_node); |
| | 335 | return (unsigned long)match->data; |
| | 336 | } |
| | 337 | #endif |
| | 338 | return id->driver_data; |
| | 339 | } |
| | 340 | |
| | 341 | static int sec_pmic_probe(struct i2c_client *i2c, |
| | 342 | const struct i2c_device_id *id) |
| | 343 | { |
| | 344 | struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev); |
| | 345 | const struct regmap_config *regmap; |
| | 346 | const struct mfd_cell *sec_devs; |
| | 347 | struct sec_pmic_dev *sec_pmic; |
| | 348 | unsigned long device_type; |
| | 349 | int ret, num_sec_devs; |
| | 350 | |
| | 351 | sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev), |
| | 352 | GFP_KERNEL); |
| | 353 | if (sec_pmic == NULL) |
| | 354 | return -ENOMEM; |
| | 355 | |
| | 356 | i2c_set_clientdata(i2c, sec_pmic); |
| | 357 | sec_pmic->dev = &i2c->dev; |
| | 358 | sec_pmic->i2c = i2c; |
| | 359 | sec_pmic->irq = i2c->irq; |
| | 360 | device_type = sec_i2c_get_driver_data(i2c, id); |
| | 361 | |
| | 362 | if (sec_pmic->dev->of_node) { |
| | 363 | pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev); |
| | 364 | if (IS_ERR(pdata)) { |
| | 365 | ret = PTR_ERR(pdata); |
| | 366 | return ret; |
| | 367 | } |
| | 368 | pdata->device_type = device_type; |
| | 369 | } |
| | 370 | if (pdata) { |
| | 371 | sec_pmic->device_type = pdata->device_type; |
| | 372 | sec_pmic->irq_base = pdata->irq_base; |
| | 373 | sec_pmic->wakeup = pdata->wakeup; |
| | 374 | sec_pmic->pdata = pdata; |
| | 375 | } |
| | 376 | |
| | 377 | switch (sec_pmic->device_type) { |
| | 378 | case S2MPA01: |
| | 379 | regmap = &s2mpa01_regmap_config; |
| | 380 | break; |
| | 381 | case S2MPS11X: |
| | 382 | regmap = &s2mps11_regmap_config; |
| | 383 | break; |
| | 384 | case S2MPS13X: |
| | 385 | regmap = &s2mps13_regmap_config; |
| | 386 | break; |
| | 387 | case S2MPS14X: |
| | 388 | regmap = &s2mps14_regmap_config; |
| | 389 | break; |
| | 390 | case S5M8763X: |
| | 391 | regmap = &s5m8763_regmap_config; |
| | 392 | break; |
| | 393 | case S5M8767X: |
| | 394 | regmap = &s5m8767_regmap_config; |
| | 395 | break; |
| | 396 | case S2MPU02: |
| | 397 | regmap = &s2mpu02_regmap_config; |
| | 398 | break; |
| | 399 | default: |
| | 400 | regmap = &sec_regmap_config; |
| | 401 | break; |
| | 402 | } |
| | 403 | |
| | 404 | sec_pmic->regmap_pmic = devm_regmap_init_i2c(i2c, regmap); |
| | 405 | if (IS_ERR(sec_pmic->regmap_pmic)) { |
| | 406 | ret = PTR_ERR(sec_pmic->regmap_pmic); |
| | 407 | dev_err(&i2c->dev, "Failed to allocate register map: %d\n", |
| | 408 | ret); |
| | 409 | return ret; |
| | 410 | } |
| | 411 | |
| | 412 | if (pdata && pdata->cfg_pmic_irq) |
| | 413 | pdata->cfg_pmic_irq(); |
| | 414 | |
| | 415 | sec_irq_init(sec_pmic); |
| | 416 | |
| | 417 | pm_runtime_set_active(sec_pmic->dev); |
| | 418 | |
| | 419 | switch (sec_pmic->device_type) { |
| | 420 | case S5M8751X: |
| | 421 | sec_devs = s5m8751_devs; |
| | 422 | num_sec_devs = ARRAY_SIZE(s5m8751_devs); |
| | 423 | break; |
| | 424 | case S5M8763X: |
| | 425 | sec_devs = s5m8763_devs; |
| | 426 | num_sec_devs = ARRAY_SIZE(s5m8763_devs); |
| | 427 | break; |
| | 428 | case S5M8767X: |
| | 429 | sec_devs = s5m8767_devs; |
| | 430 | num_sec_devs = ARRAY_SIZE(s5m8767_devs); |
| | 431 | break; |
| | 432 | case S2MPA01: |
| | 433 | sec_devs = s2mpa01_devs; |
| | 434 | num_sec_devs = ARRAY_SIZE(s2mpa01_devs); |
| | 435 | break; |
| | 436 | case S2MPS11X: |
| | 437 | sec_devs = s2mps11_devs; |
| | 438 | num_sec_devs = ARRAY_SIZE(s2mps11_devs); |
| | 439 | break; |
| | 440 | case S2MPS13X: |
| | 441 | sec_devs = s2mps13_devs; |
| | 442 | num_sec_devs = ARRAY_SIZE(s2mps13_devs); |
| | 443 | break; |
| | 444 | case S2MPS14X: |
| | 445 | sec_devs = s2mps14_devs; |
| | 446 | num_sec_devs = ARRAY_SIZE(s2mps14_devs); |
| | 447 | break; |
| | 448 | case S2MPU02: |
| | 449 | sec_devs = s2mpu02_devs; |
| | 450 | num_sec_devs = ARRAY_SIZE(s2mpu02_devs); |
| | 451 | break; |
| | 452 | default: |
| | 453 | /* If this happens the probe function is problem */ |
| | 454 | BUG(); |
| | 455 | } |
| | 456 | ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL, |
| | 457 | 0, NULL); |
| | 458 | if (ret) |
| | 459 | goto err_mfd; |
| | 460 | |
| | 461 | device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup); |
| | 462 | sec_pmic_configure(sec_pmic); |
| | 463 | sec_pmic_dump_rev(sec_pmic); |
| | 464 | |
| | 465 | return ret; |
| | 466 | |
| | 467 | err_mfd: |
| | 468 | sec_irq_exit(sec_pmic); |
| | 469 | return ret; |
| | 470 | } |
| | 471 | |
| | 472 | static int sec_pmic_remove(struct i2c_client *i2c) |
| | 473 | { |
| | 474 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); |
| | 475 | |
| | 476 | mfd_remove_devices(sec_pmic->dev); |
| | 477 | sec_irq_exit(sec_pmic); |
| | 478 | return 0; |
| | 479 | } |
| | 480 | |
| | 481 | static void sec_pmic_shutdown(struct i2c_client *i2c) |
| | 482 | { |
| | 483 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); |
| | 484 | unsigned int reg, mask; |
| | 485 | |
| | 486 | if (!sec_pmic->pdata->manual_poweroff) |
| | 487 | return; |
| | 488 | |
| | 489 | switch (sec_pmic->device_type) { |
| | 490 | case S2MPS11X: |
| | 491 | reg = S2MPS11_REG_CTRL1; |
| | 492 | mask = S2MPS11_CTRL1_PWRHOLD_MASK; |
| | 493 | break; |
| | 494 | default: |
| | 495 | /* |
| | 496 | * Currently only one board with S2MPS11 needs this, so just |
| | 497 | * ignore the rest. |
| | 498 | */ |
| | 499 | dev_warn(sec_pmic->dev, |
| | 500 | "Unsupported device %lu for manual power off\n", |
| | 501 | sec_pmic->device_type); |
| | 502 | return; |
| | 503 | } |
| | 504 | |
| | 505 | regmap_update_bits(sec_pmic->regmap_pmic, reg, mask, 0); |
| | 506 | } |
| | 507 | |
| | 508 | #ifdef CONFIG_PM_SLEEP |
| | 509 | static int sec_pmic_suspend(struct device *dev) |
| | 510 | { |
| | 511 | struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); |
| | 512 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); |
| | 513 | |
| | 514 | if (device_may_wakeup(dev)) |
| | 515 | enable_irq_wake(sec_pmic->irq); |
| | 516 | /* |
| | 517 | * PMIC IRQ must be disabled during suspend for RTC alarm |
| | 518 | * to work properly. |
| | 519 | * When device is woken up from suspend, an |
| | 520 | * interrupt occurs before resuming I2C bus controller. |
| | 521 | * The interrupt is handled by regmap_irq_thread which tries |
| | 522 | * to read RTC registers. This read fails (I2C is still |
| | 523 | * suspended) and RTC Alarm interrupt is disabled. |
| | 524 | */ |
| | 525 | disable_irq(sec_pmic->irq); |
| | 526 | |
| | 527 | return 0; |
| | 528 | } |
| | 529 | |
| | 530 | static int sec_pmic_resume(struct device *dev) |
| | 531 | { |
| | 532 | struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); |
| | 533 | struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); |
| | 534 | |
| | 535 | if (device_may_wakeup(dev)) |
| | 536 | disable_irq_wake(sec_pmic->irq); |
| | 537 | enable_irq(sec_pmic->irq); |
| | 538 | |
| | 539 | return 0; |
| | 540 | } |
| | 541 | #endif /* CONFIG_PM_SLEEP */ |
| | 542 | |
| | 543 | static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume); |
| | 544 | |
| | 545 | static const struct i2c_device_id sec_pmic_id[] = { |
| | 546 | { "sec_pmic", 0 }, |
| | 547 | { } |
| | 548 | }; |
| | 549 | MODULE_DEVICE_TABLE(i2c, sec_pmic_id); |
| | 550 | |
| | 551 | static struct i2c_driver sec_pmic_driver = { |
| | 552 | .driver = { |
| | 553 | .name = "sec_pmic", |
| | 554 | .pm = &sec_pmic_pm_ops, |
| | 555 | .of_match_table = of_match_ptr(sec_dt_match), |
| | 556 | }, |
| | 557 | .probe = sec_pmic_probe, |
| | 558 | .remove = sec_pmic_remove, |
| | 559 | .shutdown = sec_pmic_shutdown, |
| | 560 | .id_table = sec_pmic_id, |
| | 561 | }; |
| | 562 | |
| | 563 | static int __init sec_pmic_init(void) |
| | 564 | { |
| | 565 | return i2c_add_driver(&sec_pmic_driver); |
| | 566 | } |
| | 567 | |
| | 568 | subsys_initcall(sec_pmic_init); |
| | 569 | |
| | 570 | static void __exit sec_pmic_exit(void) |
| | 571 | { |
| | 572 | i2c_del_driver(&sec_pmic_driver); |
| | 573 | } |
| | 574 | module_exit(sec_pmic_exit); |
| | 575 | |
| | 576 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); |
| | 577 | MODULE_DESCRIPTION("Core support for the S5M MFD"); |
| | 578 | MODULE_LICENSE("GPL"); |
projects / mirror_ubuntu-zesty-kernel.git / blame_incremental