1 /* 2 * twl_core.c - driver for TWL4030/TWL5030/TWL60X0/TPS659x0 PM 3 * and audio CODEC devices 4 * 5 * Copyright (C) 2005-2006 Texas Instruments, Inc. 6 * 7 * Modifications to defer interrupt handling to a kernel thread: 8 * Copyright (C) 2006 MontaVista Software, Inc. 9 * 10 * Based on tlv320aic23.c: 11 * Copyright (c) by Kai Svahn <kai.svahn@nokia.com> 12 * 13 * Code cleanup and modifications to IRQ handler. 14 * by syed khasim <x0khasim@ti.com> 15 * 16 * This program is free software; you can redistribute it and/or modify 17 * it under the terms of the GNU General Public License as published by 18 * the Free Software Foundation; either version 2 of the License, or 19 * (at your option) any later version. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 29 */ 30 31 #include <linux/init.h> 32 #include <linux/mutex.h> 33 #include <linux/module.h> 34 #include <linux/platform_device.h> 35 #include <linux/regmap.h> 36 #include <linux/clk.h> 37 #include <linux/err.h> 38 #include <linux/device.h> 39 #include <linux/of.h> 40 #include <linux/of_irq.h> 41 #include <linux/of_platform.h> 42 #include <linux/irq.h> 43 #include <linux/irqdomain.h> 44 45 #include <linux/regulator/machine.h> 46 47 #include <linux/i2c.h> 48 #include <linux/i2c/twl.h> 49 50 #include "twl-core.h" 51 52 /* 53 * The TWL4030 "Triton 2" is one of a family of a multi-function "Power 54 * Management and System Companion Device" chips originally designed for 55 * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C, 56 * often at around 3 Mbit/sec, including for interrupt handling. 57 * 58 * This driver core provides genirq support for the interrupts emitted, 59 * by the various modules, and exports register access primitives. 60 * 61 * FIXME this driver currently requires use of the first interrupt line 62 * (and associated registers). 63 */ 64 65 #define DRIVER_NAME "twl" 66 67 /* Triton Core internal information (BEGIN) */ 68 69 /* Base Address defns for twl4030_map[] */ 70 71 /* subchip/slave 0 - USB ID */ 72 #define TWL4030_BASEADD_USB 0x0000 73 74 /* subchip/slave 1 - AUD ID */ 75 #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 76 #define TWL4030_BASEADD_GPIO 0x0098 77 #define TWL4030_BASEADD_INTBR 0x0085 78 #define TWL4030_BASEADD_PIH 0x0080 79 #define TWL4030_BASEADD_TEST 0x004C 80 81 /* subchip/slave 2 - AUX ID */ 82 #define TWL4030_BASEADD_INTERRUPTS 0x00B9 83 #define TWL4030_BASEADD_LED 0x00EE 84 #define TWL4030_BASEADD_MADC 0x0000 85 #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 86 #define TWL4030_BASEADD_PRECHARGE 0x00AA 87 #define TWL4030_BASEADD_PWM 0x00F8 88 #define TWL4030_BASEADD_KEYPAD 0x00D2 89 90 #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ 91 #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's 92 one */ 93 94 /* subchip/slave 3 - POWER ID */ 95 #define TWL4030_BASEADD_BACKUP 0x0014 96 #define TWL4030_BASEADD_INT 0x002E 97 #define TWL4030_BASEADD_PM_MASTER 0x0036 98 #define TWL4030_BASEADD_PM_RECEIVER 0x005B 99 #define TWL4030_BASEADD_RTC 0x001C 100 #define TWL4030_BASEADD_SECURED_REG 0x0000 101 102 /* Triton Core internal information (END) */ 103 104 105 /* subchip/slave 0 0x48 - POWER */ 106 #define TWL6030_BASEADD_RTC 0x0000 107 #define TWL6030_BASEADD_SECURED_REG 0x0017 108 #define TWL6030_BASEADD_PM_MASTER 0x001F 109 #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ 110 #define TWL6030_BASEADD_PM_MISC 0x00E2 111 #define TWL6030_BASEADD_PM_PUPD 0x00F0 112 113 /* subchip/slave 1 0x49 - FEATURE */ 114 #define TWL6030_BASEADD_USB 0x0000 115 #define TWL6030_BASEADD_GPADC_CTRL 0x002E 116 #define TWL6030_BASEADD_AUX 0x0090 117 #define TWL6030_BASEADD_PWM 0x00BA 118 #define TWL6030_BASEADD_GASGAUGE 0x00C0 119 #define TWL6030_BASEADD_PIH 0x00D0 120 #define TWL6030_BASEADD_CHARGER 0x00E0 121 #define TWL6032_BASEADD_CHARGER 0x00DA 122 #define TWL6030_BASEADD_LED 0x00F4 123 124 /* subchip/slave 2 0x4A - DFT */ 125 #define TWL6030_BASEADD_DIEID 0x00C0 126 127 /* subchip/slave 3 0x4B - AUDIO */ 128 #define TWL6030_BASEADD_AUDIO 0x0000 129 #define TWL6030_BASEADD_RSV 0x0000 130 #define TWL6030_BASEADD_ZERO 0x0000 131 132 /* Few power values */ 133 #define R_CFG_BOOT 0x05 134 135 /* some fields in R_CFG_BOOT */ 136 #define HFCLK_FREQ_19p2_MHZ (1 << 0) 137 #define HFCLK_FREQ_26_MHZ (2 << 0) 138 #define HFCLK_FREQ_38p4_MHZ (3 << 0) 139 #define HIGH_PERF_SQ (1 << 3) 140 #define CK32K_LOWPWR_EN (1 << 7) 141 142 /*----------------------------------------------------------------------*/ 143 144 /* Structure for each TWL4030/TWL6030 Slave */ 145 struct twl_client { 146 struct i2c_client *client; 147 struct regmap *regmap; 148 }; 149 150 /* mapping the module id to slave id and base address */ 151 struct twl_mapping { 152 unsigned char sid; /* Slave ID */ 153 unsigned char base; /* base address */ 154 }; 155 156 struct twl_private { 157 bool ready; /* The core driver is ready to be used */ 158 u32 twl_idcode; /* TWL IDCODE Register value */ 159 unsigned int twl_id; 160 161 struct twl_mapping *twl_map; 162 struct twl_client *twl_modules; 163 }; 164 165 static struct twl_private *twl_priv; 166 167 static struct twl_mapping twl4030_map[] = { 168 /* 169 * NOTE: don't change this table without updating the 170 * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 171 * so they continue to match the order in this table. 172 */ 173 174 /* Common IPs */ 175 { 0, TWL4030_BASEADD_USB }, 176 { 1, TWL4030_BASEADD_PIH }, 177 { 2, TWL4030_BASEADD_MAIN_CHARGE }, 178 { 3, TWL4030_BASEADD_PM_MASTER }, 179 { 3, TWL4030_BASEADD_PM_RECEIVER }, 180 181 { 3, TWL4030_BASEADD_RTC }, 182 { 2, TWL4030_BASEADD_PWM }, 183 { 2, TWL4030_BASEADD_LED }, 184 { 3, TWL4030_BASEADD_SECURED_REG }, 185 186 /* TWL4030 specific IPs */ 187 { 1, TWL4030_BASEADD_AUDIO_VOICE }, 188 { 1, TWL4030_BASEADD_GPIO }, 189 { 1, TWL4030_BASEADD_INTBR }, 190 { 1, TWL4030_BASEADD_TEST }, 191 { 2, TWL4030_BASEADD_KEYPAD }, 192 193 { 2, TWL4030_BASEADD_MADC }, 194 { 2, TWL4030_BASEADD_INTERRUPTS }, 195 { 2, TWL4030_BASEADD_PRECHARGE }, 196 { 3, TWL4030_BASEADD_BACKUP }, 197 { 3, TWL4030_BASEADD_INT }, 198 199 { 2, TWL5031_BASEADD_ACCESSORY }, 200 { 2, TWL5031_BASEADD_INTERRUPTS }, 201 }; 202 203 static struct regmap_config twl4030_regmap_config[4] = { 204 { 205 /* Address 0x48 */ 206 .reg_bits = 8, 207 .val_bits = 8, 208 .max_register = 0xff, 209 }, 210 { 211 /* Address 0x49 */ 212 .reg_bits = 8, 213 .val_bits = 8, 214 .max_register = 0xff, 215 }, 216 { 217 /* Address 0x4a */ 218 .reg_bits = 8, 219 .val_bits = 8, 220 .max_register = 0xff, 221 }, 222 { 223 /* Address 0x4b */ 224 .reg_bits = 8, 225 .val_bits = 8, 226 .max_register = 0xff, 227 }, 228 }; 229 230 static struct twl_mapping twl6030_map[] = { 231 /* 232 * NOTE: don't change this table without updating the 233 * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 234 * so they continue to match the order in this table. 235 */ 236 237 /* Common IPs */ 238 { 1, TWL6030_BASEADD_USB }, 239 { 1, TWL6030_BASEADD_PIH }, 240 { 1, TWL6030_BASEADD_CHARGER }, 241 { 0, TWL6030_BASEADD_PM_MASTER }, 242 { 0, TWL6030_BASEADD_PM_SLAVE_MISC }, 243 244 { 0, TWL6030_BASEADD_RTC }, 245 { 1, TWL6030_BASEADD_PWM }, 246 { 1, TWL6030_BASEADD_LED }, 247 { 0, TWL6030_BASEADD_SECURED_REG }, 248 249 /* TWL6030 specific IPs */ 250 { 0, TWL6030_BASEADD_ZERO }, 251 { 1, TWL6030_BASEADD_ZERO }, 252 { 2, TWL6030_BASEADD_ZERO }, 253 { 1, TWL6030_BASEADD_GPADC_CTRL }, 254 { 1, TWL6030_BASEADD_GASGAUGE }, 255 }; 256 257 static struct regmap_config twl6030_regmap_config[3] = { 258 { 259 /* Address 0x48 */ 260 .reg_bits = 8, 261 .val_bits = 8, 262 .max_register = 0xff, 263 }, 264 { 265 /* Address 0x49 */ 266 .reg_bits = 8, 267 .val_bits = 8, 268 .max_register = 0xff, 269 }, 270 { 271 /* Address 0x4a */ 272 .reg_bits = 8, 273 .val_bits = 8, 274 .max_register = 0xff, 275 }, 276 }; 277 278 /*----------------------------------------------------------------------*/ 279 280 static inline int twl_get_num_slaves(void) 281 { 282 if (twl_class_is_4030()) 283 return 4; /* TWL4030 class have four slave address */ 284 else 285 return 3; /* TWL6030 class have three slave address */ 286 } 287 288 static inline int twl_get_last_module(void) 289 { 290 if (twl_class_is_4030()) 291 return TWL4030_MODULE_LAST; 292 else 293 return TWL6030_MODULE_LAST; 294 } 295 296 /* Exported Functions */ 297 298 unsigned int twl_rev(void) 299 { 300 return twl_priv ? twl_priv->twl_id : 0; 301 } 302 EXPORT_SYMBOL(twl_rev); 303 304 /** 305 * twl_get_regmap - Get the regmap associated with the given module 306 * @mod_no: module number 307 * 308 * Returns the regmap pointer or NULL in case of failure. 309 */ 310 static struct regmap *twl_get_regmap(u8 mod_no) 311 { 312 int sid; 313 struct twl_client *twl; 314 315 if (unlikely(!twl_priv || !twl_priv->ready)) { 316 pr_err("%s: not initialized\n", DRIVER_NAME); 317 return NULL; 318 } 319 if (unlikely(mod_no >= twl_get_last_module())) { 320 pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 321 return NULL; 322 } 323 324 sid = twl_priv->twl_map[mod_no].sid; 325 twl = &twl_priv->twl_modules[sid]; 326 327 return twl->regmap; 328 } 329 330 /** 331 * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 332 * @mod_no: module number 333 * @value: an array of num_bytes+1 containing data to write 334 * @reg: register address (just offset will do) 335 * @num_bytes: number of bytes to transfer 336 * 337 * Returns the result of operation - 0 is success 338 */ 339 int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 340 { 341 struct regmap *regmap = twl_get_regmap(mod_no); 342 int ret; 343 344 if (!regmap) 345 return -EPERM; 346 347 ret = regmap_bulk_write(regmap, twl_priv->twl_map[mod_no].base + reg, 348 value, num_bytes); 349 350 if (ret) 351 pr_err("%s: Write failed (mod %d, reg 0x%02x count %d)\n", 352 DRIVER_NAME, mod_no, reg, num_bytes); 353 354 return ret; 355 } 356 EXPORT_SYMBOL(twl_i2c_write); 357 358 /** 359 * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 360 * @mod_no: module number 361 * @value: an array of num_bytes containing data to be read 362 * @reg: register address (just offset will do) 363 * @num_bytes: number of bytes to transfer 364 * 365 * Returns result of operation - num_bytes is success else failure. 366 */ 367 int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 368 { 369 struct regmap *regmap = twl_get_regmap(mod_no); 370 int ret; 371 372 if (!regmap) 373 return -EPERM; 374 375 ret = regmap_bulk_read(regmap, twl_priv->twl_map[mod_no].base + reg, 376 value, num_bytes); 377 378 if (ret) 379 pr_err("%s: Read failed (mod %d, reg 0x%02x count %d)\n", 380 DRIVER_NAME, mod_no, reg, num_bytes); 381 382 return ret; 383 } 384 EXPORT_SYMBOL(twl_i2c_read); 385 386 /** 387 * twl_regcache_bypass - Configure the regcache bypass for the regmap associated 388 * with the module 389 * @mod_no: module number 390 * @enable: Regcache bypass state 391 * 392 * Returns 0 else failure. 393 */ 394 int twl_set_regcache_bypass(u8 mod_no, bool enable) 395 { 396 struct regmap *regmap = twl_get_regmap(mod_no); 397 398 if (!regmap) 399 return -EPERM; 400 401 regcache_cache_bypass(regmap, enable); 402 403 return 0; 404 } 405 EXPORT_SYMBOL(twl_set_regcache_bypass); 406 407 /*----------------------------------------------------------------------*/ 408 409 /** 410 * twl_read_idcode_register - API to read the IDCODE register. 411 * 412 * Unlocks the IDCODE register and read the 32 bit value. 413 */ 414 static int twl_read_idcode_register(void) 415 { 416 int err; 417 418 err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, TWL_EEPROM_R_UNLOCK, 419 REG_UNLOCK_TEST_REG); 420 if (err) { 421 pr_err("TWL4030 Unable to unlock IDCODE registers -%d\n", err); 422 goto fail; 423 } 424 425 err = twl_i2c_read(TWL4030_MODULE_INTBR, (u8 *)(&twl_priv->twl_idcode), 426 REG_IDCODE_7_0, 4); 427 if (err) { 428 pr_err("TWL4030: unable to read IDCODE -%d\n", err); 429 goto fail; 430 } 431 432 err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, 0x0, REG_UNLOCK_TEST_REG); 433 if (err) 434 pr_err("TWL4030 Unable to relock IDCODE registers -%d\n", err); 435 fail: 436 return err; 437 } 438 439 /** 440 * twl_get_type - API to get TWL Si type. 441 * 442 * Api to get the TWL Si type from IDCODE value. 443 */ 444 int twl_get_type(void) 445 { 446 return TWL_SIL_TYPE(twl_priv->twl_idcode); 447 } 448 EXPORT_SYMBOL_GPL(twl_get_type); 449 450 /** 451 * twl_get_version - API to get TWL Si version. 452 * 453 * Api to get the TWL Si version from IDCODE value. 454 */ 455 int twl_get_version(void) 456 { 457 return TWL_SIL_REV(twl_priv->twl_idcode); 458 } 459 EXPORT_SYMBOL_GPL(twl_get_version); 460 461 /** 462 * twl_get_hfclk_rate - API to get TWL external HFCLK clock rate. 463 * 464 * Api to get the TWL HFCLK rate based on BOOT_CFG register. 465 */ 466 int twl_get_hfclk_rate(void) 467 { 468 u8 ctrl; 469 int rate; 470 471 twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT); 472 473 switch (ctrl & 0x3) { 474 case HFCLK_FREQ_19p2_MHZ: 475 rate = 19200000; 476 break; 477 case HFCLK_FREQ_26_MHZ: 478 rate = 26000000; 479 break; 480 case HFCLK_FREQ_38p4_MHZ: 481 rate = 38400000; 482 break; 483 default: 484 pr_err("TWL4030: HFCLK is not configured\n"); 485 rate = -EINVAL; 486 break; 487 } 488 489 return rate; 490 } 491 EXPORT_SYMBOL_GPL(twl_get_hfclk_rate); 492 493 static struct device * 494 add_numbered_child(unsigned mod_no, const char *name, int num, 495 void *pdata, unsigned pdata_len, 496 bool can_wakeup, int irq0, int irq1) 497 { 498 struct platform_device *pdev; 499 struct twl_client *twl; 500 int status, sid; 501 502 if (unlikely(mod_no >= twl_get_last_module())) { 503 pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 504 return ERR_PTR(-EPERM); 505 } 506 sid = twl_priv->twl_map[mod_no].sid; 507 twl = &twl_priv->twl_modules[sid]; 508 509 pdev = platform_device_alloc(name, num); 510 if (!pdev) { 511 dev_dbg(&twl->client->dev, "can't alloc dev\n"); 512 status = -ENOMEM; 513 goto err; 514 } 515 516 pdev->dev.parent = &twl->client->dev; 517 518 if (pdata) { 519 status = platform_device_add_data(pdev, pdata, pdata_len); 520 if (status < 0) { 521 dev_dbg(&pdev->dev, "can't add platform_data\n"); 522 goto err; 523 } 524 } 525 526 if (irq0) { 527 struct resource r[2] = { 528 { .start = irq0, .flags = IORESOURCE_IRQ, }, 529 { .start = irq1, .flags = IORESOURCE_IRQ, }, 530 }; 531 532 status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); 533 if (status < 0) { 534 dev_dbg(&pdev->dev, "can't add irqs\n"); 535 goto err; 536 } 537 } 538 539 status = platform_device_add(pdev); 540 if (status == 0) 541 device_init_wakeup(&pdev->dev, can_wakeup); 542 543 err: 544 if (status < 0) { 545 platform_device_put(pdev); 546 dev_err(&twl->client->dev, "can't add %s dev\n", name); 547 return ERR_PTR(status); 548 } 549 return &pdev->dev; 550 } 551 552 static inline struct device *add_child(unsigned mod_no, const char *name, 553 void *pdata, unsigned pdata_len, 554 bool can_wakeup, int irq0, int irq1) 555 { 556 return add_numbered_child(mod_no, name, -1, pdata, pdata_len, 557 can_wakeup, irq0, irq1); 558 } 559 560 static struct device * 561 add_regulator_linked(int num, struct regulator_init_data *pdata, 562 struct regulator_consumer_supply *consumers, 563 unsigned num_consumers, unsigned long features) 564 { 565 struct twl_regulator_driver_data drv_data; 566 567 /* regulator framework demands init_data ... */ 568 if (!pdata) 569 return NULL; 570 571 if (consumers) { 572 pdata->consumer_supplies = consumers; 573 pdata->num_consumer_supplies = num_consumers; 574 } 575 576 if (pdata->driver_data) { 577 /* If we have existing drv_data, just add the flags */ 578 struct twl_regulator_driver_data *tmp; 579 tmp = pdata->driver_data; 580 tmp->features |= features; 581 } else { 582 /* add new driver data struct, used only during init */ 583 drv_data.features = features; 584 drv_data.set_voltage = NULL; 585 drv_data.get_voltage = NULL; 586 drv_data.data = NULL; 587 pdata->driver_data = &drv_data; 588 } 589 590 /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ 591 return add_numbered_child(TWL_MODULE_PM_MASTER, "twl_reg", num, 592 pdata, sizeof(*pdata), false, 0, 0); 593 } 594 595 static struct device * 596 add_regulator(int num, struct regulator_init_data *pdata, 597 unsigned long features) 598 { 599 return add_regulator_linked(num, pdata, NULL, 0, features); 600 } 601 602 /* 603 * NOTE: We know the first 8 IRQs after pdata->base_irq are 604 * for the PIH, and the next are for the PWR_INT SIH, since 605 * that's how twl_init_irq() sets things up. 606 */ 607 608 static int 609 add_children(struct twl4030_platform_data *pdata, unsigned irq_base, 610 unsigned long features) 611 { 612 struct device *child; 613 614 if (IS_ENABLED(CONFIG_GPIO_TWL4030) && pdata->gpio) { 615 child = add_child(TWL4030_MODULE_GPIO, "twl4030_gpio", 616 pdata->gpio, sizeof(*pdata->gpio), 617 false, irq_base + GPIO_INTR_OFFSET, 0); 618 if (IS_ERR(child)) 619 return PTR_ERR(child); 620 } 621 622 if (IS_ENABLED(CONFIG_KEYBOARD_TWL4030) && pdata->keypad) { 623 child = add_child(TWL4030_MODULE_KEYPAD, "twl4030_keypad", 624 pdata->keypad, sizeof(*pdata->keypad), 625 true, irq_base + KEYPAD_INTR_OFFSET, 0); 626 if (IS_ERR(child)) 627 return PTR_ERR(child); 628 } 629 630 if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc && 631 twl_class_is_4030()) { 632 child = add_child(TWL4030_MODULE_MADC, "twl4030_madc", 633 pdata->madc, sizeof(*pdata->madc), 634 true, irq_base + MADC_INTR_OFFSET, 0); 635 if (IS_ERR(child)) 636 return PTR_ERR(child); 637 } 638 639 if (IS_ENABLED(CONFIG_RTC_DRV_TWL4030)) { 640 /* 641 * REVISIT platform_data here currently might expose the 642 * "msecure" line ... but for now we just expect board 643 * setup to tell the chip "it's always ok to SET_TIME". 644 * Eventually, Linux might become more aware of such 645 * HW security concerns, and "least privilege". 646 */ 647 child = add_child(TWL_MODULE_RTC, "twl_rtc", NULL, 0, 648 true, irq_base + RTC_INTR_OFFSET, 0); 649 if (IS_ERR(child)) 650 return PTR_ERR(child); 651 } 652 653 if (IS_ENABLED(CONFIG_PWM_TWL)) { 654 child = add_child(TWL_MODULE_PWM, "twl-pwm", NULL, 0, 655 false, 0, 0); 656 if (IS_ERR(child)) 657 return PTR_ERR(child); 658 } 659 660 if (IS_ENABLED(CONFIG_PWM_TWL_LED)) { 661 child = add_child(TWL_MODULE_LED, "twl-pwmled", NULL, 0, 662 false, 0, 0); 663 if (IS_ERR(child)) 664 return PTR_ERR(child); 665 } 666 667 if (IS_ENABLED(CONFIG_TWL4030_USB) && pdata->usb && 668 twl_class_is_4030()) { 669 670 static struct regulator_consumer_supply usb1v5 = { 671 .supply = "usb1v5", 672 }; 673 static struct regulator_consumer_supply usb1v8 = { 674 .supply = "usb1v8", 675 }; 676 static struct regulator_consumer_supply usb3v1[] = { 677 { .supply = "usb3v1" }, 678 { .supply = "bci3v1" }, 679 }; 680 681 /* First add the regulators so that they can be used by transceiver */ 682 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { 683 /* this is a template that gets copied */ 684 struct regulator_init_data usb_fixed = { 685 .constraints.valid_modes_mask = 686 REGULATOR_MODE_NORMAL 687 | REGULATOR_MODE_STANDBY, 688 .constraints.valid_ops_mask = 689 REGULATOR_CHANGE_MODE 690 | REGULATOR_CHANGE_STATUS, 691 }; 692 693 child = add_regulator_linked(TWL4030_REG_VUSB1V5, 694 &usb_fixed, &usb1v5, 1, 695 features); 696 if (IS_ERR(child)) 697 return PTR_ERR(child); 698 699 child = add_regulator_linked(TWL4030_REG_VUSB1V8, 700 &usb_fixed, &usb1v8, 1, 701 features); 702 if (IS_ERR(child)) 703 return PTR_ERR(child); 704 705 child = add_regulator_linked(TWL4030_REG_VUSB3V1, 706 &usb_fixed, usb3v1, 2, 707 features); 708 if (IS_ERR(child)) 709 return PTR_ERR(child); 710 711 } 712 713 child = add_child(TWL_MODULE_USB, "twl4030_usb", 714 pdata->usb, sizeof(*pdata->usb), true, 715 /* irq0 = USB_PRES, irq1 = USB */ 716 irq_base + USB_PRES_INTR_OFFSET, 717 irq_base + USB_INTR_OFFSET); 718 719 if (IS_ERR(child)) 720 return PTR_ERR(child); 721 722 /* we need to connect regulators to this transceiver */ 723 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) { 724 usb1v5.dev_name = dev_name(child); 725 usb1v8.dev_name = dev_name(child); 726 usb3v1[0].dev_name = dev_name(child); 727 } 728 } 729 if (IS_ENABLED(CONFIG_TWL6030_USB) && pdata->usb && 730 twl_class_is_6030()) { 731 732 static struct regulator_consumer_supply usb3v3; 733 int regulator; 734 735 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { 736 /* this is a template that gets copied */ 737 struct regulator_init_data usb_fixed = { 738 .constraints.valid_modes_mask = 739 REGULATOR_MODE_NORMAL 740 | REGULATOR_MODE_STANDBY, 741 .constraints.valid_ops_mask = 742 REGULATOR_CHANGE_MODE 743 | REGULATOR_CHANGE_STATUS, 744 }; 745 746 if (features & TWL6032_SUBCLASS) { 747 usb3v3.supply = "ldousb"; 748 regulator = TWL6032_REG_LDOUSB; 749 } else { 750 usb3v3.supply = "vusb"; 751 regulator = TWL6030_REG_VUSB; 752 } 753 child = add_regulator_linked(regulator, &usb_fixed, 754 &usb3v3, 1, 755 features); 756 if (IS_ERR(child)) 757 return PTR_ERR(child); 758 } 759 760 pdata->usb->features = features; 761 762 child = add_child(TWL_MODULE_USB, "twl6030_usb", 763 pdata->usb, sizeof(*pdata->usb), true, 764 /* irq1 = VBUS_PRES, irq0 = USB ID */ 765 irq_base + USBOTG_INTR_OFFSET, 766 irq_base + USB_PRES_INTR_OFFSET); 767 768 if (IS_ERR(child)) 769 return PTR_ERR(child); 770 /* we need to connect regulators to this transceiver */ 771 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) 772 usb3v3.dev_name = dev_name(child); 773 } else if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && 774 twl_class_is_6030()) { 775 if (features & TWL6032_SUBCLASS) 776 child = add_regulator(TWL6032_REG_LDOUSB, 777 pdata->ldousb, features); 778 else 779 child = add_regulator(TWL6030_REG_VUSB, 780 pdata->vusb, features); 781 782 if (IS_ERR(child)) 783 return PTR_ERR(child); 784 } 785 786 if (IS_ENABLED(CONFIG_TWL4030_WATCHDOG) && twl_class_is_4030()) { 787 child = add_child(TWL_MODULE_PM_RECEIVER, "twl4030_wdt", NULL, 788 0, false, 0, 0); 789 if (IS_ERR(child)) 790 return PTR_ERR(child); 791 } 792 793 if (IS_ENABLED(CONFIG_INPUT_TWL4030_PWRBUTTON) && twl_class_is_4030()) { 794 child = add_child(TWL_MODULE_PM_MASTER, "twl4030_pwrbutton", 795 NULL, 0, true, irq_base + 8 + 0, 0); 796 if (IS_ERR(child)) 797 return PTR_ERR(child); 798 } 799 800 if (IS_ENABLED(CONFIG_MFD_TWL4030_AUDIO) && pdata->audio && 801 twl_class_is_4030()) { 802 child = add_child(TWL4030_MODULE_AUDIO_VOICE, "twl4030-audio", 803 pdata->audio, sizeof(*pdata->audio), 804 false, 0, 0); 805 if (IS_ERR(child)) 806 return PTR_ERR(child); 807 } 808 809 /* twl4030 regulators */ 810 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_4030()) { 811 child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1, 812 features); 813 if (IS_ERR(child)) 814 return PTR_ERR(child); 815 816 child = add_regulator(TWL4030_REG_VIO, pdata->vio, 817 features); 818 if (IS_ERR(child)) 819 return PTR_ERR(child); 820 821 child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1, 822 features); 823 if (IS_ERR(child)) 824 return PTR_ERR(child); 825 826 child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2, 827 features); 828 if (IS_ERR(child)) 829 return PTR_ERR(child); 830 831 child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1, 832 features); 833 if (IS_ERR(child)) 834 return PTR_ERR(child); 835 836 child = add_regulator(TWL4030_REG_VDAC, pdata->vdac, 837 features); 838 if (IS_ERR(child)) 839 return PTR_ERR(child); 840 841 child = add_regulator((features & TWL4030_VAUX2) 842 ? TWL4030_REG_VAUX2_4030 843 : TWL4030_REG_VAUX2, 844 pdata->vaux2, features); 845 if (IS_ERR(child)) 846 return PTR_ERR(child); 847 848 child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1, 849 features); 850 if (IS_ERR(child)) 851 return PTR_ERR(child); 852 853 child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2, 854 features); 855 if (IS_ERR(child)) 856 return PTR_ERR(child); 857 858 child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig, 859 features); 860 if (IS_ERR(child)) 861 return PTR_ERR(child); 862 } 863 864 /* maybe add LDOs that are omitted on cost-reduced parts */ 865 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && !(features & TPS_SUBSET) 866 && twl_class_is_4030()) { 867 child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2, 868 features); 869 if (IS_ERR(child)) 870 return PTR_ERR(child); 871 872 child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2, 873 features); 874 if (IS_ERR(child)) 875 return PTR_ERR(child); 876 877 child = add_regulator(TWL4030_REG_VSIM, pdata->vsim, 878 features); 879 if (IS_ERR(child)) 880 return PTR_ERR(child); 881 882 child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1, 883 features); 884 if (IS_ERR(child)) 885 return PTR_ERR(child); 886 887 child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3, 888 features); 889 if (IS_ERR(child)) 890 return PTR_ERR(child); 891 892 child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4, 893 features); 894 if (IS_ERR(child)) 895 return PTR_ERR(child); 896 } 897 898 /* twl6030 regulators */ 899 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && 900 !(features & TWL6032_SUBCLASS)) { 901 child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1, 902 features); 903 if (IS_ERR(child)) 904 return PTR_ERR(child); 905 906 child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2, 907 features); 908 if (IS_ERR(child)) 909 return PTR_ERR(child); 910 911 child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3, 912 features); 913 if (IS_ERR(child)) 914 return PTR_ERR(child); 915 916 child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8, 917 features); 918 if (IS_ERR(child)) 919 return PTR_ERR(child); 920 921 child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1, 922 features); 923 if (IS_ERR(child)) 924 return PTR_ERR(child); 925 926 child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc, 927 features); 928 if (IS_ERR(child)) 929 return PTR_ERR(child); 930 931 child = add_regulator(TWL6030_REG_VPP, pdata->vpp, 932 features); 933 if (IS_ERR(child)) 934 return PTR_ERR(child); 935 936 child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim, 937 features); 938 if (IS_ERR(child)) 939 return PTR_ERR(child); 940 941 child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio, 942 features); 943 if (IS_ERR(child)) 944 return PTR_ERR(child); 945 946 child = add_regulator(TWL6030_REG_VDAC, pdata->vdac, 947 features); 948 if (IS_ERR(child)) 949 return PTR_ERR(child); 950 951 child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1, 952 features); 953 if (IS_ERR(child)) 954 return PTR_ERR(child); 955 956 child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2, 957 features); 958 if (IS_ERR(child)) 959 return PTR_ERR(child); 960 961 child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3, 962 features); 963 if (IS_ERR(child)) 964 return PTR_ERR(child); 965 966 child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg, 967 features); 968 if (IS_ERR(child)) 969 return PTR_ERR(child); 970 } 971 972 /* 6030 and 6025 share this regulator */ 973 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030()) { 974 child = add_regulator(TWL6030_REG_VANA, pdata->vana, 975 features); 976 if (IS_ERR(child)) 977 return PTR_ERR(child); 978 } 979 980 /* twl6032 regulators */ 981 if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && 982 (features & TWL6032_SUBCLASS)) { 983 child = add_regulator(TWL6032_REG_LDO5, pdata->ldo5, 984 features); 985 if (IS_ERR(child)) 986 return PTR_ERR(child); 987 988 child = add_regulator(TWL6032_REG_LDO1, pdata->ldo1, 989 features); 990 if (IS_ERR(child)) 991 return PTR_ERR(child); 992 993 child = add_regulator(TWL6032_REG_LDO7, pdata->ldo7, 994 features); 995 if (IS_ERR(child)) 996 return PTR_ERR(child); 997 998 child = add_regulator(TWL6032_REG_LDO6, pdata->ldo6, 999 features); 1000 if (IS_ERR(child)) 1001 return PTR_ERR(child); 1002 1003 child = add_regulator(TWL6032_REG_LDOLN, pdata->ldoln, 1004 features); 1005 if (IS_ERR(child)) 1006 return PTR_ERR(child); 1007 1008 child = add_regulator(TWL6032_REG_LDO2, pdata->ldo2, 1009 features); 1010 if (IS_ERR(child)) 1011 return PTR_ERR(child); 1012 1013 child = add_regulator(TWL6032_REG_LDO4, pdata->ldo4, 1014 features); 1015 if (IS_ERR(child)) 1016 return PTR_ERR(child); 1017 1018 child = add_regulator(TWL6032_REG_LDO3, pdata->ldo3, 1019 features); 1020 if (IS_ERR(child)) 1021 return PTR_ERR(child); 1022 1023 child = add_regulator(TWL6032_REG_SMPS3, pdata->smps3, 1024 features); 1025 if (IS_ERR(child)) 1026 return PTR_ERR(child); 1027 1028 child = add_regulator(TWL6032_REG_SMPS4, pdata->smps4, 1029 features); 1030 if (IS_ERR(child)) 1031 return PTR_ERR(child); 1032 1033 child = add_regulator(TWL6032_REG_VIO, pdata->vio6025, 1034 features); 1035 if (IS_ERR(child)) 1036 return PTR_ERR(child); 1037 1038 } 1039 1040 if (IS_ENABLED(CONFIG_CHARGER_TWL4030) && pdata->bci && 1041 !(features & (TPS_SUBSET | TWL5031))) { 1042 child = add_child(TWL_MODULE_MAIN_CHARGE, "twl4030_bci", 1043 pdata->bci, sizeof(*pdata->bci), false, 1044 /* irq0 = CHG_PRES, irq1 = BCI */ 1045 irq_base + BCI_PRES_INTR_OFFSET, 1046 irq_base + BCI_INTR_OFFSET); 1047 if (IS_ERR(child)) 1048 return PTR_ERR(child); 1049 } 1050 1051 if (IS_ENABLED(CONFIG_TWL4030_POWER) && pdata->power) { 1052 child = add_child(TWL_MODULE_PM_MASTER, "twl4030_power", 1053 pdata->power, sizeof(*pdata->power), false, 1054 0, 0); 1055 if (IS_ERR(child)) 1056 return PTR_ERR(child); 1057 } 1058 1059 return 0; 1060 } 1061 1062 /*----------------------------------------------------------------------*/ 1063 1064 /* 1065 * These three functions initialize the on-chip clock framework, 1066 * letting it generate the right frequencies for USB, MADC, and 1067 * other purposes. 1068 */ 1069 static inline int __init protect_pm_master(void) 1070 { 1071 int e = 0; 1072 1073 e = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, 1074 TWL4030_PM_MASTER_PROTECT_KEY); 1075 return e; 1076 } 1077 1078 static inline int __init unprotect_pm_master(void) 1079 { 1080 int e = 0; 1081 1082 e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1, 1083 TWL4030_PM_MASTER_PROTECT_KEY); 1084 e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG2, 1085 TWL4030_PM_MASTER_PROTECT_KEY); 1086 1087 return e; 1088 } 1089 1090 static void clocks_init(struct device *dev, 1091 struct twl4030_clock_init_data *clock) 1092 { 1093 int e = 0; 1094 struct clk *osc; 1095 u32 rate; 1096 u8 ctrl = HFCLK_FREQ_26_MHZ; 1097 1098 osc = clk_get(dev, "fck"); 1099 if (IS_ERR(osc)) { 1100 printk(KERN_WARNING "Skipping twl internal clock init and " 1101 "using bootloader value (unknown osc rate)\n"); 1102 return; 1103 } 1104 1105 rate = clk_get_rate(osc); 1106 clk_put(osc); 1107 1108 switch (rate) { 1109 case 19200000: 1110 ctrl = HFCLK_FREQ_19p2_MHZ; 1111 break; 1112 case 26000000: 1113 ctrl = HFCLK_FREQ_26_MHZ; 1114 break; 1115 case 38400000: 1116 ctrl = HFCLK_FREQ_38p4_MHZ; 1117 break; 1118 } 1119 1120 ctrl |= HIGH_PERF_SQ; 1121 if (clock && clock->ck32k_lowpwr_enable) 1122 ctrl |= CK32K_LOWPWR_EN; 1123 1124 e |= unprotect_pm_master(); 1125 /* effect->MADC+USB ck en */ 1126 e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); 1127 e |= protect_pm_master(); 1128 1129 if (e < 0) 1130 pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); 1131 } 1132 1133 /*----------------------------------------------------------------------*/ 1134 1135 1136 static int twl_remove(struct i2c_client *client) 1137 { 1138 unsigned i, num_slaves; 1139 int status; 1140 1141 if (twl_class_is_4030()) 1142 status = twl4030_exit_irq(); 1143 else 1144 status = twl6030_exit_irq(); 1145 1146 if (status < 0) 1147 return status; 1148 1149 num_slaves = twl_get_num_slaves(); 1150 for (i = 0; i < num_slaves; i++) { 1151 struct twl_client *twl = &twl_priv->twl_modules[i]; 1152 1153 if (twl->client && twl->client != client) 1154 i2c_unregister_device(twl->client); 1155 twl->client = NULL; 1156 } 1157 twl_priv->ready = false; 1158 return 0; 1159 } 1160 1161 /* NOTE: This driver only handles a single twl4030/tps659x0 chip */ 1162 static int 1163 twl_probe(struct i2c_client *client, const struct i2c_device_id *id) 1164 { 1165 struct twl4030_platform_data *pdata = dev_get_platdata(&client->dev); 1166 struct device_node *node = client->dev.of_node; 1167 struct platform_device *pdev; 1168 struct regmap_config *twl_regmap_config; 1169 int irq_base = 0; 1170 int status; 1171 unsigned i, num_slaves; 1172 1173 if (!node && !pdata) { 1174 dev_err(&client->dev, "no platform data\n"); 1175 return -EINVAL; 1176 } 1177 1178 if (twl_priv) { 1179 dev_dbg(&client->dev, "only one instance of %s allowed\n", 1180 DRIVER_NAME); 1181 return -EBUSY; 1182 } 1183 1184 pdev = platform_device_alloc(DRIVER_NAME, -1); 1185 if (!pdev) { 1186 dev_err(&client->dev, "can't alloc pdev\n"); 1187 return -ENOMEM; 1188 } 1189 1190 status = platform_device_add(pdev); 1191 if (status) { 1192 platform_device_put(pdev); 1193 return status; 1194 } 1195 1196 if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { 1197 dev_dbg(&client->dev, "can't talk I2C?\n"); 1198 status = -EIO; 1199 goto free; 1200 } 1201 1202 twl_priv = devm_kzalloc(&client->dev, sizeof(struct twl_private), 1203 GFP_KERNEL); 1204 if (!twl_priv) { 1205 status = -ENOMEM; 1206 goto free; 1207 } 1208 1209 if ((id->driver_data) & TWL6030_CLASS) { 1210 twl_priv->twl_id = TWL6030_CLASS_ID; 1211 twl_priv->twl_map = &twl6030_map[0]; 1212 /* The charger base address is different in twl6032 */ 1213 if ((id->driver_data) & TWL6032_SUBCLASS) 1214 twl_priv->twl_map[TWL_MODULE_MAIN_CHARGE].base = 1215 TWL6032_BASEADD_CHARGER; 1216 twl_regmap_config = twl6030_regmap_config; 1217 } else { 1218 twl_priv->twl_id = TWL4030_CLASS_ID; 1219 twl_priv->twl_map = &twl4030_map[0]; 1220 twl_regmap_config = twl4030_regmap_config; 1221 } 1222 1223 num_slaves = twl_get_num_slaves(); 1224 twl_priv->twl_modules = devm_kzalloc(&client->dev, 1225 sizeof(struct twl_client) * num_slaves, 1226 GFP_KERNEL); 1227 if (!twl_priv->twl_modules) { 1228 status = -ENOMEM; 1229 goto free; 1230 } 1231 1232 for (i = 0; i < num_slaves; i++) { 1233 struct twl_client *twl = &twl_priv->twl_modules[i]; 1234 1235 if (i == 0) { 1236 twl->client = client; 1237 } else { 1238 twl->client = i2c_new_dummy(client->adapter, 1239 client->addr + i); 1240 if (!twl->client) { 1241 dev_err(&client->dev, 1242 "can't attach client %d\n", i); 1243 status = -ENOMEM; 1244 goto fail; 1245 } 1246 } 1247 1248 twl->regmap = devm_regmap_init_i2c(twl->client, 1249 &twl_regmap_config[i]); 1250 if (IS_ERR(twl->regmap)) { 1251 status = PTR_ERR(twl->regmap); 1252 dev_err(&client->dev, 1253 "Failed to allocate regmap %d, err: %d\n", i, 1254 status); 1255 goto fail; 1256 } 1257 } 1258 1259 twl_priv->ready = true; 1260 1261 /* setup clock framework */ 1262 clocks_init(&pdev->dev, pdata ? pdata->clock : NULL); 1263 1264 /* read TWL IDCODE Register */ 1265 if (twl_class_is_4030()) { 1266 status = twl_read_idcode_register(); 1267 WARN(status < 0, "Error: reading twl_idcode register value\n"); 1268 } 1269 1270 /* Maybe init the T2 Interrupt subsystem */ 1271 if (client->irq) { 1272 if (twl_class_is_4030()) { 1273 twl4030_init_chip_irq(id->name); 1274 irq_base = twl4030_init_irq(&client->dev, client->irq); 1275 } else { 1276 irq_base = twl6030_init_irq(&client->dev, client->irq); 1277 } 1278 1279 if (irq_base < 0) { 1280 status = irq_base; 1281 goto fail; 1282 } 1283 } 1284 1285 /* 1286 * Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface. 1287 * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0, 1288 * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. 1289 */ 1290 if (twl_class_is_4030()) { 1291 u8 temp; 1292 1293 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1); 1294 temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \ 1295 I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU); 1296 twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1); 1297 } 1298 1299 if (node) 1300 status = of_platform_populate(node, NULL, NULL, &client->dev); 1301 else 1302 status = add_children(pdata, irq_base, id->driver_data); 1303 1304 fail: 1305 if (status < 0) 1306 twl_remove(client); 1307 free: 1308 if (status < 0) 1309 platform_device_unregister(pdev); 1310 1311 return status; 1312 } 1313 1314 static const struct i2c_device_id twl_ids[] = { 1315 { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ 1316 { "twl5030", 0 }, /* T2 updated */ 1317 { "twl5031", TWL5031 }, /* TWL5030 updated */ 1318 { "tps65950", 0 }, /* catalog version of twl5030 */ 1319 { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ 1320 { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ 1321 { "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED 1322 and vibrator. Charger in USB module*/ 1323 { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ 1324 { "twl6032", TWL6030_CLASS | TWL6032_SUBCLASS }, /* "Phoenix lite" */ 1325 { /* end of list */ }, 1326 }; 1327 MODULE_DEVICE_TABLE(i2c, twl_ids); 1328 1329 /* One Client Driver , 4 Clients */ 1330 static struct i2c_driver twl_driver = { 1331 .driver.name = DRIVER_NAME, 1332 .id_table = twl_ids, 1333 .probe = twl_probe, 1334 .remove = twl_remove, 1335 }; 1336 1337 module_i2c_driver(twl_driver); 1338 1339 MODULE_AUTHOR("Texas Instruments, Inc."); 1340 MODULE_DESCRIPTION("I2C Core interface for TWL"); 1341 MODULE_LICENSE("GPL"); 1342