1 /* 2 * Copyright (C) ST-Ericsson SA 2010 3 * 4 * License Terms: GNU General Public License v2 5 * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> 6 * Author: Rabin Vincent <rabin.vincent@stericsson.com> 7 * Author: Mattias Wallin <mattias.wallin@stericsson.com> 8 */ 9 10 #include <linux/kernel.h> 11 #include <linux/slab.h> 12 #include <linux/init.h> 13 #include <linux/irq.h> 14 #include <linux/irqdomain.h> 15 #include <linux/delay.h> 16 #include <linux/interrupt.h> 17 #include <linux/module.h> 18 #include <linux/platform_device.h> 19 #include <linux/mfd/core.h> 20 #include <linux/mfd/abx500.h> 21 #include <linux/mfd/abx500/ab8500.h> 22 #include <linux/mfd/abx500/ab8500-bm.h> 23 #include <linux/mfd/dbx500-prcmu.h> 24 #include <linux/regulator/ab8500.h> 25 #include <linux/of.h> 26 #include <linux/of_device.h> 27 28 /* 29 * Interrupt register offsets 30 * Bank : 0x0E 31 */ 32 #define AB8500_IT_SOURCE1_REG 0x00 33 #define AB8500_IT_SOURCE2_REG 0x01 34 #define AB8500_IT_SOURCE3_REG 0x02 35 #define AB8500_IT_SOURCE4_REG 0x03 36 #define AB8500_IT_SOURCE5_REG 0x04 37 #define AB8500_IT_SOURCE6_REG 0x05 38 #define AB8500_IT_SOURCE7_REG 0x06 39 #define AB8500_IT_SOURCE8_REG 0x07 40 #define AB9540_IT_SOURCE13_REG 0x0C 41 #define AB8500_IT_SOURCE19_REG 0x12 42 #define AB8500_IT_SOURCE20_REG 0x13 43 #define AB8500_IT_SOURCE21_REG 0x14 44 #define AB8500_IT_SOURCE22_REG 0x15 45 #define AB8500_IT_SOURCE23_REG 0x16 46 #define AB8500_IT_SOURCE24_REG 0x17 47 48 /* 49 * latch registers 50 */ 51 #define AB8500_IT_LATCH1_REG 0x20 52 #define AB8500_IT_LATCH2_REG 0x21 53 #define AB8500_IT_LATCH3_REG 0x22 54 #define AB8500_IT_LATCH4_REG 0x23 55 #define AB8500_IT_LATCH5_REG 0x24 56 #define AB8500_IT_LATCH6_REG 0x25 57 #define AB8500_IT_LATCH7_REG 0x26 58 #define AB8500_IT_LATCH8_REG 0x27 59 #define AB8500_IT_LATCH9_REG 0x28 60 #define AB8500_IT_LATCH10_REG 0x29 61 #define AB8500_IT_LATCH12_REG 0x2B 62 #define AB9540_IT_LATCH13_REG 0x2C 63 #define AB8500_IT_LATCH19_REG 0x32 64 #define AB8500_IT_LATCH20_REG 0x33 65 #define AB8500_IT_LATCH21_REG 0x34 66 #define AB8500_IT_LATCH22_REG 0x35 67 #define AB8500_IT_LATCH23_REG 0x36 68 #define AB8500_IT_LATCH24_REG 0x37 69 70 /* 71 * mask registers 72 */ 73 74 #define AB8500_IT_MASK1_REG 0x40 75 #define AB8500_IT_MASK2_REG 0x41 76 #define AB8500_IT_MASK3_REG 0x42 77 #define AB8500_IT_MASK4_REG 0x43 78 #define AB8500_IT_MASK5_REG 0x44 79 #define AB8500_IT_MASK6_REG 0x45 80 #define AB8500_IT_MASK7_REG 0x46 81 #define AB8500_IT_MASK8_REG 0x47 82 #define AB8500_IT_MASK9_REG 0x48 83 #define AB8500_IT_MASK10_REG 0x49 84 #define AB8500_IT_MASK11_REG 0x4A 85 #define AB8500_IT_MASK12_REG 0x4B 86 #define AB8500_IT_MASK13_REG 0x4C 87 #define AB8500_IT_MASK14_REG 0x4D 88 #define AB8500_IT_MASK15_REG 0x4E 89 #define AB8500_IT_MASK16_REG 0x4F 90 #define AB8500_IT_MASK17_REG 0x50 91 #define AB8500_IT_MASK18_REG 0x51 92 #define AB8500_IT_MASK19_REG 0x52 93 #define AB8500_IT_MASK20_REG 0x53 94 #define AB8500_IT_MASK21_REG 0x54 95 #define AB8500_IT_MASK22_REG 0x55 96 #define AB8500_IT_MASK23_REG 0x56 97 #define AB8500_IT_MASK24_REG 0x57 98 #define AB8500_IT_MASK25_REG 0x58 99 100 /* 101 * latch hierarchy registers 102 */ 103 #define AB8500_IT_LATCHHIER1_REG 0x60 104 #define AB8500_IT_LATCHHIER2_REG 0x61 105 #define AB8500_IT_LATCHHIER3_REG 0x62 106 #define AB8540_IT_LATCHHIER4_REG 0x63 107 108 #define AB8500_IT_LATCHHIER_NUM 3 109 #define AB8540_IT_LATCHHIER_NUM 4 110 111 #define AB8500_REV_REG 0x80 112 #define AB8500_IC_NAME_REG 0x82 113 #define AB8500_SWITCH_OFF_STATUS 0x00 114 115 #define AB8500_TURN_ON_STATUS 0x00 116 #define AB8505_TURN_ON_STATUS_2 0x04 117 118 #define AB8500_CH_USBCH_STAT1_REG 0x02 119 #define VBUS_DET_DBNC100 0x02 120 #define VBUS_DET_DBNC1 0x01 121 122 static DEFINE_SPINLOCK(on_stat_lock); 123 static u8 turn_on_stat_mask = 0xFF; 124 static u8 turn_on_stat_set; 125 static bool no_bm; /* No battery management */ 126 module_param(no_bm, bool, S_IRUGO); 127 128 #define AB9540_MODEM_CTRL2_REG 0x23 129 #define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2) 130 131 /* 132 * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt 133 * numbers are indexed into this array with (num / 8). The interupts are 134 * defined in linux/mfd/ab8500.h 135 * 136 * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at 137 * offset 0. 138 */ 139 /* AB8500 support */ 140 static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = { 141 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 142 }; 143 144 /* AB9540 / AB8505 support */ 145 static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = { 146 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23 147 }; 148 149 /* AB8540 support */ 150 static const int ab8540_irq_regoffset[AB8540_NUM_IRQ_REGS] = { 151 0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23, 152 25, 26, 27, 28, 29, 30, 31, 153 }; 154 155 static const char ab8500_version_str[][7] = { 156 [AB8500_VERSION_AB8500] = "AB8500", 157 [AB8500_VERSION_AB8505] = "AB8505", 158 [AB8500_VERSION_AB9540] = "AB9540", 159 [AB8500_VERSION_AB8540] = "AB8540", 160 }; 161 162 static int ab8500_prcmu_write(struct ab8500 *ab8500, u16 addr, u8 data) 163 { 164 int ret; 165 166 ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1); 167 if (ret < 0) 168 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); 169 return ret; 170 } 171 172 static int ab8500_prcmu_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask, 173 u8 data) 174 { 175 int ret; 176 177 ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 178 &mask, 1); 179 if (ret < 0) 180 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); 181 return ret; 182 } 183 184 static int ab8500_prcmu_read(struct ab8500 *ab8500, u16 addr) 185 { 186 int ret; 187 u8 data; 188 189 ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1); 190 if (ret < 0) { 191 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); 192 return ret; 193 } 194 return (int)data; 195 } 196 197 static int ab8500_get_chip_id(struct device *dev) 198 { 199 struct ab8500 *ab8500; 200 201 if (!dev) 202 return -EINVAL; 203 ab8500 = dev_get_drvdata(dev->parent); 204 return ab8500 ? (int)ab8500->chip_id : -EINVAL; 205 } 206 207 static int set_register_interruptible(struct ab8500 *ab8500, u8 bank, 208 u8 reg, u8 data) 209 { 210 int ret; 211 /* 212 * Put the u8 bank and u8 register together into a an u16. 213 * The bank on higher 8 bits and register in lower 8 bits. 214 * */ 215 u16 addr = ((u16)bank) << 8 | reg; 216 217 dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data); 218 219 mutex_lock(&ab8500->lock); 220 221 ret = ab8500->write(ab8500, addr, data); 222 if (ret < 0) 223 dev_err(ab8500->dev, "failed to write reg %#x: %d\n", 224 addr, ret); 225 mutex_unlock(&ab8500->lock); 226 227 return ret; 228 } 229 230 static int ab8500_set_register(struct device *dev, u8 bank, 231 u8 reg, u8 value) 232 { 233 int ret; 234 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); 235 236 atomic_inc(&ab8500->transfer_ongoing); 237 ret = set_register_interruptible(ab8500, bank, reg, value); 238 atomic_dec(&ab8500->transfer_ongoing); 239 return ret; 240 } 241 242 static int get_register_interruptible(struct ab8500 *ab8500, u8 bank, 243 u8 reg, u8 *value) 244 { 245 int ret; 246 /* put the u8 bank and u8 reg together into a an u16. 247 * bank on higher 8 bits and reg in lower */ 248 u16 addr = ((u16)bank) << 8 | reg; 249 250 mutex_lock(&ab8500->lock); 251 252 ret = ab8500->read(ab8500, addr); 253 if (ret < 0) 254 dev_err(ab8500->dev, "failed to read reg %#x: %d\n", 255 addr, ret); 256 else 257 *value = ret; 258 259 mutex_unlock(&ab8500->lock); 260 dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret); 261 262 return ret; 263 } 264 265 static int ab8500_get_register(struct device *dev, u8 bank, 266 u8 reg, u8 *value) 267 { 268 int ret; 269 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); 270 271 atomic_inc(&ab8500->transfer_ongoing); 272 ret = get_register_interruptible(ab8500, bank, reg, value); 273 atomic_dec(&ab8500->transfer_ongoing); 274 return ret; 275 } 276 277 static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank, 278 u8 reg, u8 bitmask, u8 bitvalues) 279 { 280 int ret; 281 /* put the u8 bank and u8 reg together into a an u16. 282 * bank on higher 8 bits and reg in lower */ 283 u16 addr = ((u16)bank) << 8 | reg; 284 285 mutex_lock(&ab8500->lock); 286 287 if (ab8500->write_masked == NULL) { 288 u8 data; 289 290 ret = ab8500->read(ab8500, addr); 291 if (ret < 0) { 292 dev_err(ab8500->dev, "failed to read reg %#x: %d\n", 293 addr, ret); 294 goto out; 295 } 296 297 data = (u8)ret; 298 data = (~bitmask & data) | (bitmask & bitvalues); 299 300 ret = ab8500->write(ab8500, addr, data); 301 if (ret < 0) 302 dev_err(ab8500->dev, "failed to write reg %#x: %d\n", 303 addr, ret); 304 305 dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr, 306 data); 307 goto out; 308 } 309 ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues); 310 if (ret < 0) 311 dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr, 312 ret); 313 out: 314 mutex_unlock(&ab8500->lock); 315 return ret; 316 } 317 318 static int ab8500_mask_and_set_register(struct device *dev, 319 u8 bank, u8 reg, u8 bitmask, u8 bitvalues) 320 { 321 int ret; 322 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); 323 324 atomic_inc(&ab8500->transfer_ongoing); 325 ret= mask_and_set_register_interruptible(ab8500, bank, reg, 326 bitmask, bitvalues); 327 atomic_dec(&ab8500->transfer_ongoing); 328 return ret; 329 } 330 331 static struct abx500_ops ab8500_ops = { 332 .get_chip_id = ab8500_get_chip_id, 333 .get_register = ab8500_get_register, 334 .set_register = ab8500_set_register, 335 .get_register_page = NULL, 336 .set_register_page = NULL, 337 .mask_and_set_register = ab8500_mask_and_set_register, 338 .event_registers_startup_state_get = NULL, 339 .startup_irq_enabled = NULL, 340 .dump_all_banks = ab8500_dump_all_banks, 341 }; 342 343 static void ab8500_irq_lock(struct irq_data *data) 344 { 345 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); 346 347 mutex_lock(&ab8500->irq_lock); 348 atomic_inc(&ab8500->transfer_ongoing); 349 } 350 351 static void ab8500_irq_sync_unlock(struct irq_data *data) 352 { 353 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); 354 int i; 355 356 for (i = 0; i < ab8500->mask_size; i++) { 357 u8 old = ab8500->oldmask[i]; 358 u8 new = ab8500->mask[i]; 359 int reg; 360 361 if (new == old) 362 continue; 363 364 /* 365 * Interrupt register 12 doesn't exist prior to AB8500 version 366 * 2.0 367 */ 368 if (ab8500->irq_reg_offset[i] == 11 && 369 is_ab8500_1p1_or_earlier(ab8500)) 370 continue; 371 372 if (ab8500->irq_reg_offset[i] < 0) 373 continue; 374 375 ab8500->oldmask[i] = new; 376 377 reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i]; 378 set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new); 379 } 380 atomic_dec(&ab8500->transfer_ongoing); 381 mutex_unlock(&ab8500->irq_lock); 382 } 383 384 static void ab8500_irq_mask(struct irq_data *data) 385 { 386 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); 387 int offset = data->hwirq; 388 int index = offset / 8; 389 int mask = 1 << (offset % 8); 390 391 ab8500->mask[index] |= mask; 392 393 /* The AB8500 GPIOs have two interrupts each (rising & falling). */ 394 if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R) 395 ab8500->mask[index + 2] |= mask; 396 if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R) 397 ab8500->mask[index + 1] |= mask; 398 if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R) 399 /* Here the falling IRQ is one bit lower */ 400 ab8500->mask[index] |= (mask << 1); 401 } 402 403 static void ab8500_irq_unmask(struct irq_data *data) 404 { 405 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); 406 unsigned int type = irqd_get_trigger_type(data); 407 int offset = data->hwirq; 408 int index = offset / 8; 409 int mask = 1 << (offset % 8); 410 411 if (type & IRQ_TYPE_EDGE_RISING) 412 ab8500->mask[index] &= ~mask; 413 414 /* The AB8500 GPIOs have two interrupts each (rising & falling). */ 415 if (type & IRQ_TYPE_EDGE_FALLING) { 416 if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R) 417 ab8500->mask[index + 2] &= ~mask; 418 else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R) 419 ab8500->mask[index + 1] &= ~mask; 420 else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R) 421 /* Here the falling IRQ is one bit lower */ 422 ab8500->mask[index] &= ~(mask << 1); 423 else 424 ab8500->mask[index] &= ~mask; 425 } else { 426 /* Satisfies the case where type is not set. */ 427 ab8500->mask[index] &= ~mask; 428 } 429 } 430 431 static int ab8500_irq_set_type(struct irq_data *data, unsigned int type) 432 { 433 return 0; 434 } 435 436 static struct irq_chip ab8500_irq_chip = { 437 .name = "ab8500", 438 .irq_bus_lock = ab8500_irq_lock, 439 .irq_bus_sync_unlock = ab8500_irq_sync_unlock, 440 .irq_mask = ab8500_irq_mask, 441 .irq_disable = ab8500_irq_mask, 442 .irq_unmask = ab8500_irq_unmask, 443 .irq_set_type = ab8500_irq_set_type, 444 }; 445 446 static void update_latch_offset(u8 *offset, int i) 447 { 448 /* Fix inconsistent ITFromLatch25 bit mapping... */ 449 if (unlikely(*offset == 17)) 450 *offset = 24; 451 /* Fix inconsistent ab8540 bit mapping... */ 452 if (unlikely(*offset == 16)) 453 *offset = 25; 454 if ((i==3) && (*offset >= 24)) 455 *offset += 2; 456 } 457 458 static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500, 459 int latch_offset, u8 latch_val) 460 { 461 int int_bit, line, i; 462 463 for (i = 0; i < ab8500->mask_size; i++) 464 if (ab8500->irq_reg_offset[i] == latch_offset) 465 break; 466 467 if (i >= ab8500->mask_size) { 468 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n", 469 latch_offset); 470 return -ENXIO; 471 } 472 473 /* ignore masked out interrupts */ 474 latch_val &= ~ab8500->mask[i]; 475 476 while (latch_val) { 477 int_bit = __ffs(latch_val); 478 line = (i << 3) + int_bit; 479 latch_val &= ~(1 << int_bit); 480 481 /* 482 * This handles the falling edge hwirqs from the GPIO 483 * lines. Route them back to the line registered for the 484 * rising IRQ, as this is merely a flag for the same IRQ 485 * in linux terms. 486 */ 487 if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F) 488 line -= 16; 489 if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F) 490 line -= 8; 491 if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F) 492 line += 1; 493 494 handle_nested_irq(irq_create_mapping(ab8500->domain, line)); 495 } 496 497 return 0; 498 } 499 500 static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500, 501 int hier_offset, u8 hier_val) 502 { 503 int latch_bit, status; 504 u8 latch_offset, latch_val; 505 506 do { 507 latch_bit = __ffs(hier_val); 508 latch_offset = (hier_offset << 3) + latch_bit; 509 510 update_latch_offset(&latch_offset, hier_offset); 511 512 status = get_register_interruptible(ab8500, 513 AB8500_INTERRUPT, 514 AB8500_IT_LATCH1_REG + latch_offset, 515 &latch_val); 516 if (status < 0 || latch_val == 0) 517 goto discard; 518 519 status = ab8500_handle_hierarchical_line(ab8500, 520 latch_offset, latch_val); 521 if (status < 0) 522 return status; 523 discard: 524 hier_val &= ~(1 << latch_bit); 525 } while (hier_val); 526 527 return 0; 528 } 529 530 static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev) 531 { 532 struct ab8500 *ab8500 = dev; 533 u8 i; 534 535 dev_vdbg(ab8500->dev, "interrupt\n"); 536 537 /* Hierarchical interrupt version */ 538 for (i = 0; i < (ab8500->it_latchhier_num); i++) { 539 int status; 540 u8 hier_val; 541 542 status = get_register_interruptible(ab8500, AB8500_INTERRUPT, 543 AB8500_IT_LATCHHIER1_REG + i, &hier_val); 544 if (status < 0 || hier_val == 0) 545 continue; 546 547 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val); 548 if (status < 0) 549 break; 550 } 551 return IRQ_HANDLED; 552 } 553 554 static int ab8500_irq_map(struct irq_domain *d, unsigned int virq, 555 irq_hw_number_t hwirq) 556 { 557 struct ab8500 *ab8500 = d->host_data; 558 559 if (!ab8500) 560 return -EINVAL; 561 562 irq_set_chip_data(virq, ab8500); 563 irq_set_chip_and_handler(virq, &ab8500_irq_chip, 564 handle_simple_irq); 565 irq_set_nested_thread(virq, 1); 566 #ifdef CONFIG_ARM 567 set_irq_flags(virq, IRQF_VALID); 568 #else 569 irq_set_noprobe(virq); 570 #endif 571 572 return 0; 573 } 574 575 static struct irq_domain_ops ab8500_irq_ops = { 576 .map = ab8500_irq_map, 577 .xlate = irq_domain_xlate_twocell, 578 }; 579 580 static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np) 581 { 582 int num_irqs; 583 584 if (is_ab8540(ab8500)) 585 num_irqs = AB8540_NR_IRQS; 586 else if (is_ab9540(ab8500)) 587 num_irqs = AB9540_NR_IRQS; 588 else if (is_ab8505(ab8500)) 589 num_irqs = AB8505_NR_IRQS; 590 else 591 num_irqs = AB8500_NR_IRQS; 592 593 /* If ->irq_base is zero this will give a linear mapping */ 594 ab8500->domain = irq_domain_add_simple(NULL, 595 num_irqs, 0, 596 &ab8500_irq_ops, ab8500); 597 598 if (!ab8500->domain) { 599 dev_err(ab8500->dev, "Failed to create irqdomain\n"); 600 return -ENOSYS; 601 } 602 603 return 0; 604 } 605 606 int ab8500_suspend(struct ab8500 *ab8500) 607 { 608 if (atomic_read(&ab8500->transfer_ongoing)) 609 return -EINVAL; 610 else 611 return 0; 612 } 613 614 static struct resource ab8500_gpadc_resources[] = { 615 { 616 .name = "HW_CONV_END", 617 .start = AB8500_INT_GP_HW_ADC_CONV_END, 618 .end = AB8500_INT_GP_HW_ADC_CONV_END, 619 .flags = IORESOURCE_IRQ, 620 }, 621 { 622 .name = "SW_CONV_END", 623 .start = AB8500_INT_GP_SW_ADC_CONV_END, 624 .end = AB8500_INT_GP_SW_ADC_CONV_END, 625 .flags = IORESOURCE_IRQ, 626 }, 627 }; 628 629 static struct resource ab8505_gpadc_resources[] = { 630 { 631 .name = "SW_CONV_END", 632 .start = AB8500_INT_GP_SW_ADC_CONV_END, 633 .end = AB8500_INT_GP_SW_ADC_CONV_END, 634 .flags = IORESOURCE_IRQ, 635 }, 636 }; 637 638 static struct resource ab8500_rtc_resources[] = { 639 { 640 .name = "60S", 641 .start = AB8500_INT_RTC_60S, 642 .end = AB8500_INT_RTC_60S, 643 .flags = IORESOURCE_IRQ, 644 }, 645 { 646 .name = "ALARM", 647 .start = AB8500_INT_RTC_ALARM, 648 .end = AB8500_INT_RTC_ALARM, 649 .flags = IORESOURCE_IRQ, 650 }, 651 }; 652 653 static struct resource ab8540_rtc_resources[] = { 654 { 655 .name = "1S", 656 .start = AB8540_INT_RTC_1S, 657 .end = AB8540_INT_RTC_1S, 658 .flags = IORESOURCE_IRQ, 659 }, 660 { 661 .name = "ALARM", 662 .start = AB8500_INT_RTC_ALARM, 663 .end = AB8500_INT_RTC_ALARM, 664 .flags = IORESOURCE_IRQ, 665 }, 666 }; 667 668 static struct resource ab8500_poweronkey_db_resources[] = { 669 { 670 .name = "ONKEY_DBF", 671 .start = AB8500_INT_PON_KEY1DB_F, 672 .end = AB8500_INT_PON_KEY1DB_F, 673 .flags = IORESOURCE_IRQ, 674 }, 675 { 676 .name = "ONKEY_DBR", 677 .start = AB8500_INT_PON_KEY1DB_R, 678 .end = AB8500_INT_PON_KEY1DB_R, 679 .flags = IORESOURCE_IRQ, 680 }, 681 }; 682 683 static struct resource ab8500_av_acc_detect_resources[] = { 684 { 685 .name = "ACC_DETECT_1DB_F", 686 .start = AB8500_INT_ACC_DETECT_1DB_F, 687 .end = AB8500_INT_ACC_DETECT_1DB_F, 688 .flags = IORESOURCE_IRQ, 689 }, 690 { 691 .name = "ACC_DETECT_1DB_R", 692 .start = AB8500_INT_ACC_DETECT_1DB_R, 693 .end = AB8500_INT_ACC_DETECT_1DB_R, 694 .flags = IORESOURCE_IRQ, 695 }, 696 { 697 .name = "ACC_DETECT_21DB_F", 698 .start = AB8500_INT_ACC_DETECT_21DB_F, 699 .end = AB8500_INT_ACC_DETECT_21DB_F, 700 .flags = IORESOURCE_IRQ, 701 }, 702 { 703 .name = "ACC_DETECT_21DB_R", 704 .start = AB8500_INT_ACC_DETECT_21DB_R, 705 .end = AB8500_INT_ACC_DETECT_21DB_R, 706 .flags = IORESOURCE_IRQ, 707 }, 708 { 709 .name = "ACC_DETECT_22DB_F", 710 .start = AB8500_INT_ACC_DETECT_22DB_F, 711 .end = AB8500_INT_ACC_DETECT_22DB_F, 712 .flags = IORESOURCE_IRQ, 713 }, 714 { 715 .name = "ACC_DETECT_22DB_R", 716 .start = AB8500_INT_ACC_DETECT_22DB_R, 717 .end = AB8500_INT_ACC_DETECT_22DB_R, 718 .flags = IORESOURCE_IRQ, 719 }, 720 }; 721 722 static struct resource ab8500_charger_resources[] = { 723 { 724 .name = "MAIN_CH_UNPLUG_DET", 725 .start = AB8500_INT_MAIN_CH_UNPLUG_DET, 726 .end = AB8500_INT_MAIN_CH_UNPLUG_DET, 727 .flags = IORESOURCE_IRQ, 728 }, 729 { 730 .name = "MAIN_CHARGE_PLUG_DET", 731 .start = AB8500_INT_MAIN_CH_PLUG_DET, 732 .end = AB8500_INT_MAIN_CH_PLUG_DET, 733 .flags = IORESOURCE_IRQ, 734 }, 735 { 736 .name = "VBUS_DET_R", 737 .start = AB8500_INT_VBUS_DET_R, 738 .end = AB8500_INT_VBUS_DET_R, 739 .flags = IORESOURCE_IRQ, 740 }, 741 { 742 .name = "VBUS_DET_F", 743 .start = AB8500_INT_VBUS_DET_F, 744 .end = AB8500_INT_VBUS_DET_F, 745 .flags = IORESOURCE_IRQ, 746 }, 747 { 748 .name = "USB_LINK_STATUS", 749 .start = AB8500_INT_USB_LINK_STATUS, 750 .end = AB8500_INT_USB_LINK_STATUS, 751 .flags = IORESOURCE_IRQ, 752 }, 753 { 754 .name = "VBUS_OVV", 755 .start = AB8500_INT_VBUS_OVV, 756 .end = AB8500_INT_VBUS_OVV, 757 .flags = IORESOURCE_IRQ, 758 }, 759 { 760 .name = "USB_CH_TH_PROT_R", 761 .start = AB8500_INT_USB_CH_TH_PROT_R, 762 .end = AB8500_INT_USB_CH_TH_PROT_R, 763 .flags = IORESOURCE_IRQ, 764 }, 765 { 766 .name = "USB_CH_TH_PROT_F", 767 .start = AB8500_INT_USB_CH_TH_PROT_F, 768 .end = AB8500_INT_USB_CH_TH_PROT_F, 769 .flags = IORESOURCE_IRQ, 770 }, 771 { 772 .name = "MAIN_EXT_CH_NOT_OK", 773 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, 774 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, 775 .flags = IORESOURCE_IRQ, 776 }, 777 { 778 .name = "MAIN_CH_TH_PROT_R", 779 .start = AB8500_INT_MAIN_CH_TH_PROT_R, 780 .end = AB8500_INT_MAIN_CH_TH_PROT_R, 781 .flags = IORESOURCE_IRQ, 782 }, 783 { 784 .name = "MAIN_CH_TH_PROT_F", 785 .start = AB8500_INT_MAIN_CH_TH_PROT_F, 786 .end = AB8500_INT_MAIN_CH_TH_PROT_F, 787 .flags = IORESOURCE_IRQ, 788 }, 789 { 790 .name = "USB_CHARGER_NOT_OKR", 791 .start = AB8500_INT_USB_CHARGER_NOT_OKR, 792 .end = AB8500_INT_USB_CHARGER_NOT_OKR, 793 .flags = IORESOURCE_IRQ, 794 }, 795 { 796 .name = "CH_WD_EXP", 797 .start = AB8500_INT_CH_WD_EXP, 798 .end = AB8500_INT_CH_WD_EXP, 799 .flags = IORESOURCE_IRQ, 800 }, 801 { 802 .name = "VBUS_CH_DROP_END", 803 .start = AB8500_INT_VBUS_CH_DROP_END, 804 .end = AB8500_INT_VBUS_CH_DROP_END, 805 .flags = IORESOURCE_IRQ, 806 }, 807 }; 808 809 static struct resource ab8500_btemp_resources[] = { 810 { 811 .name = "BAT_CTRL_INDB", 812 .start = AB8500_INT_BAT_CTRL_INDB, 813 .end = AB8500_INT_BAT_CTRL_INDB, 814 .flags = IORESOURCE_IRQ, 815 }, 816 { 817 .name = "BTEMP_LOW", 818 .start = AB8500_INT_BTEMP_LOW, 819 .end = AB8500_INT_BTEMP_LOW, 820 .flags = IORESOURCE_IRQ, 821 }, 822 { 823 .name = "BTEMP_HIGH", 824 .start = AB8500_INT_BTEMP_HIGH, 825 .end = AB8500_INT_BTEMP_HIGH, 826 .flags = IORESOURCE_IRQ, 827 }, 828 { 829 .name = "BTEMP_LOW_MEDIUM", 830 .start = AB8500_INT_BTEMP_LOW_MEDIUM, 831 .end = AB8500_INT_BTEMP_LOW_MEDIUM, 832 .flags = IORESOURCE_IRQ, 833 }, 834 { 835 .name = "BTEMP_MEDIUM_HIGH", 836 .start = AB8500_INT_BTEMP_MEDIUM_HIGH, 837 .end = AB8500_INT_BTEMP_MEDIUM_HIGH, 838 .flags = IORESOURCE_IRQ, 839 }, 840 }; 841 842 static struct resource ab8500_fg_resources[] = { 843 { 844 .name = "NCONV_ACCU", 845 .start = AB8500_INT_CCN_CONV_ACC, 846 .end = AB8500_INT_CCN_CONV_ACC, 847 .flags = IORESOURCE_IRQ, 848 }, 849 { 850 .name = "BATT_OVV", 851 .start = AB8500_INT_BATT_OVV, 852 .end = AB8500_INT_BATT_OVV, 853 .flags = IORESOURCE_IRQ, 854 }, 855 { 856 .name = "LOW_BAT_F", 857 .start = AB8500_INT_LOW_BAT_F, 858 .end = AB8500_INT_LOW_BAT_F, 859 .flags = IORESOURCE_IRQ, 860 }, 861 { 862 .name = "LOW_BAT_R", 863 .start = AB8500_INT_LOW_BAT_R, 864 .end = AB8500_INT_LOW_BAT_R, 865 .flags = IORESOURCE_IRQ, 866 }, 867 { 868 .name = "CC_INT_CALIB", 869 .start = AB8500_INT_CC_INT_CALIB, 870 .end = AB8500_INT_CC_INT_CALIB, 871 .flags = IORESOURCE_IRQ, 872 }, 873 { 874 .name = "CCEOC", 875 .start = AB8500_INT_CCEOC, 876 .end = AB8500_INT_CCEOC, 877 .flags = IORESOURCE_IRQ, 878 }, 879 }; 880 881 static struct resource ab8500_chargalg_resources[] = {}; 882 883 #ifdef CONFIG_DEBUG_FS 884 static struct resource ab8500_debug_resources[] = { 885 { 886 .name = "IRQ_AB8500", 887 /* 888 * Number will be filled in. NOTE: this is deliberately 889 * not flagged as an IRQ in ordet to avoid remapping using 890 * the irqdomain in the MFD core, so that this IRQ passes 891 * unremapped to the debug code. 892 */ 893 }, 894 { 895 .name = "IRQ_FIRST", 896 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, 897 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, 898 .flags = IORESOURCE_IRQ, 899 }, 900 { 901 .name = "IRQ_LAST", 902 .start = AB8500_INT_XTAL32K_KO, 903 .end = AB8500_INT_XTAL32K_KO, 904 .flags = IORESOURCE_IRQ, 905 }, 906 }; 907 #endif 908 909 static struct resource ab8500_usb_resources[] = { 910 { 911 .name = "ID_WAKEUP_R", 912 .start = AB8500_INT_ID_WAKEUP_R, 913 .end = AB8500_INT_ID_WAKEUP_R, 914 .flags = IORESOURCE_IRQ, 915 }, 916 { 917 .name = "ID_WAKEUP_F", 918 .start = AB8500_INT_ID_WAKEUP_F, 919 .end = AB8500_INT_ID_WAKEUP_F, 920 .flags = IORESOURCE_IRQ, 921 }, 922 { 923 .name = "VBUS_DET_F", 924 .start = AB8500_INT_VBUS_DET_F, 925 .end = AB8500_INT_VBUS_DET_F, 926 .flags = IORESOURCE_IRQ, 927 }, 928 { 929 .name = "VBUS_DET_R", 930 .start = AB8500_INT_VBUS_DET_R, 931 .end = AB8500_INT_VBUS_DET_R, 932 .flags = IORESOURCE_IRQ, 933 }, 934 { 935 .name = "USB_LINK_STATUS", 936 .start = AB8500_INT_USB_LINK_STATUS, 937 .end = AB8500_INT_USB_LINK_STATUS, 938 .flags = IORESOURCE_IRQ, 939 }, 940 { 941 .name = "USB_ADP_PROBE_PLUG", 942 .start = AB8500_INT_ADP_PROBE_PLUG, 943 .end = AB8500_INT_ADP_PROBE_PLUG, 944 .flags = IORESOURCE_IRQ, 945 }, 946 { 947 .name = "USB_ADP_PROBE_UNPLUG", 948 .start = AB8500_INT_ADP_PROBE_UNPLUG, 949 .end = AB8500_INT_ADP_PROBE_UNPLUG, 950 .flags = IORESOURCE_IRQ, 951 }, 952 }; 953 954 static struct resource ab8505_iddet_resources[] = { 955 { 956 .name = "KeyDeglitch", 957 .start = AB8505_INT_KEYDEGLITCH, 958 .end = AB8505_INT_KEYDEGLITCH, 959 .flags = IORESOURCE_IRQ, 960 }, 961 { 962 .name = "KP", 963 .start = AB8505_INT_KP, 964 .end = AB8505_INT_KP, 965 .flags = IORESOURCE_IRQ, 966 }, 967 { 968 .name = "IKP", 969 .start = AB8505_INT_IKP, 970 .end = AB8505_INT_IKP, 971 .flags = IORESOURCE_IRQ, 972 }, 973 { 974 .name = "IKR", 975 .start = AB8505_INT_IKR, 976 .end = AB8505_INT_IKR, 977 .flags = IORESOURCE_IRQ, 978 }, 979 { 980 .name = "KeyStuck", 981 .start = AB8505_INT_KEYSTUCK, 982 .end = AB8505_INT_KEYSTUCK, 983 .flags = IORESOURCE_IRQ, 984 }, 985 { 986 .name = "VBUS_DET_R", 987 .start = AB8500_INT_VBUS_DET_R, 988 .end = AB8500_INT_VBUS_DET_R, 989 .flags = IORESOURCE_IRQ, 990 }, 991 { 992 .name = "VBUS_DET_F", 993 .start = AB8500_INT_VBUS_DET_F, 994 .end = AB8500_INT_VBUS_DET_F, 995 .flags = IORESOURCE_IRQ, 996 }, 997 { 998 .name = "ID_DET_PLUGR", 999 .start = AB8500_INT_ID_DET_PLUGR, 1000 .end = AB8500_INT_ID_DET_PLUGR, 1001 .flags = IORESOURCE_IRQ, 1002 }, 1003 { 1004 .name = "ID_DET_PLUGF", 1005 .start = AB8500_INT_ID_DET_PLUGF, 1006 .end = AB8500_INT_ID_DET_PLUGF, 1007 .flags = IORESOURCE_IRQ, 1008 }, 1009 }; 1010 1011 static struct resource ab8500_temp_resources[] = { 1012 { 1013 .name = "ABX500_TEMP_WARM", 1014 .start = AB8500_INT_TEMP_WARM, 1015 .end = AB8500_INT_TEMP_WARM, 1016 .flags = IORESOURCE_IRQ, 1017 }, 1018 }; 1019 1020 static const struct mfd_cell ab8500_bm_devs[] = { 1021 { 1022 .name = "ab8500-charger", 1023 .of_compatible = "stericsson,ab8500-charger", 1024 .num_resources = ARRAY_SIZE(ab8500_charger_resources), 1025 .resources = ab8500_charger_resources, 1026 .platform_data = &ab8500_bm_data, 1027 .pdata_size = sizeof(ab8500_bm_data), 1028 }, 1029 { 1030 .name = "ab8500-btemp", 1031 .of_compatible = "stericsson,ab8500-btemp", 1032 .num_resources = ARRAY_SIZE(ab8500_btemp_resources), 1033 .resources = ab8500_btemp_resources, 1034 .platform_data = &ab8500_bm_data, 1035 .pdata_size = sizeof(ab8500_bm_data), 1036 }, 1037 { 1038 .name = "ab8500-fg", 1039 .of_compatible = "stericsson,ab8500-fg", 1040 .num_resources = ARRAY_SIZE(ab8500_fg_resources), 1041 .resources = ab8500_fg_resources, 1042 .platform_data = &ab8500_bm_data, 1043 .pdata_size = sizeof(ab8500_bm_data), 1044 }, 1045 { 1046 .name = "ab8500-chargalg", 1047 .of_compatible = "stericsson,ab8500-chargalg", 1048 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources), 1049 .resources = ab8500_chargalg_resources, 1050 .platform_data = &ab8500_bm_data, 1051 .pdata_size = sizeof(ab8500_bm_data), 1052 }, 1053 }; 1054 1055 static const struct mfd_cell ab8500_devs[] = { 1056 #ifdef CONFIG_DEBUG_FS 1057 { 1058 .name = "ab8500-debug", 1059 .of_compatible = "stericsson,ab8500-debug", 1060 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1061 .resources = ab8500_debug_resources, 1062 }, 1063 #endif 1064 { 1065 .name = "ab8500-sysctrl", 1066 .of_compatible = "stericsson,ab8500-sysctrl", 1067 }, 1068 { 1069 .name = "ab8500-ext-regulator", 1070 .of_compatible = "stericsson,ab8500-ext-regulator", 1071 }, 1072 { 1073 .name = "ab8500-regulator", 1074 .of_compatible = "stericsson,ab8500-regulator", 1075 }, 1076 { 1077 .name = "abx500-clk", 1078 .of_compatible = "stericsson,abx500-clk", 1079 }, 1080 { 1081 .name = "ab8500-gpadc", 1082 .of_compatible = "stericsson,ab8500-gpadc", 1083 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1084 .resources = ab8500_gpadc_resources, 1085 }, 1086 { 1087 .name = "ab8500-rtc", 1088 .of_compatible = "stericsson,ab8500-rtc", 1089 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1090 .resources = ab8500_rtc_resources, 1091 }, 1092 { 1093 .name = "ab8500-acc-det", 1094 .of_compatible = "stericsson,ab8500-acc-det", 1095 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1096 .resources = ab8500_av_acc_detect_resources, 1097 }, 1098 { 1099 1100 .name = "ab8500-poweron-key", 1101 .of_compatible = "stericsson,ab8500-poweron-key", 1102 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1103 .resources = ab8500_poweronkey_db_resources, 1104 }, 1105 { 1106 .name = "ab8500-pwm", 1107 .of_compatible = "stericsson,ab8500-pwm", 1108 .id = 1, 1109 }, 1110 { 1111 .name = "ab8500-pwm", 1112 .of_compatible = "stericsson,ab8500-pwm", 1113 .id = 2, 1114 }, 1115 { 1116 .name = "ab8500-pwm", 1117 .of_compatible = "stericsson,ab8500-pwm", 1118 .id = 3, 1119 }, 1120 { 1121 .name = "ab8500-denc", 1122 .of_compatible = "stericsson,ab8500-denc", 1123 }, 1124 { 1125 .name = "pinctrl-ab8500", 1126 .of_compatible = "stericsson,ab8500-gpio", 1127 }, 1128 { 1129 .name = "abx500-temp", 1130 .of_compatible = "stericsson,abx500-temp", 1131 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1132 .resources = ab8500_temp_resources, 1133 }, 1134 { 1135 .name = "ab8500-usb", 1136 .of_compatible = "stericsson,ab8500-usb", 1137 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1138 .resources = ab8500_usb_resources, 1139 }, 1140 { 1141 .name = "ab8500-codec", 1142 .of_compatible = "stericsson,ab8500-codec", 1143 }, 1144 }; 1145 1146 static const struct mfd_cell ab9540_devs[] = { 1147 #ifdef CONFIG_DEBUG_FS 1148 { 1149 .name = "ab8500-debug", 1150 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1151 .resources = ab8500_debug_resources, 1152 }, 1153 #endif 1154 { 1155 .name = "ab8500-sysctrl", 1156 }, 1157 { 1158 .name = "ab8500-ext-regulator", 1159 }, 1160 { 1161 .name = "ab8500-regulator", 1162 }, 1163 { 1164 .name = "abx500-clk", 1165 .of_compatible = "stericsson,abx500-clk", 1166 }, 1167 { 1168 .name = "ab8500-gpadc", 1169 .of_compatible = "stericsson,ab8500-gpadc", 1170 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1171 .resources = ab8500_gpadc_resources, 1172 }, 1173 { 1174 .name = "ab8500-rtc", 1175 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1176 .resources = ab8500_rtc_resources, 1177 }, 1178 { 1179 .name = "ab8500-acc-det", 1180 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1181 .resources = ab8500_av_acc_detect_resources, 1182 }, 1183 { 1184 .name = "ab8500-poweron-key", 1185 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1186 .resources = ab8500_poweronkey_db_resources, 1187 }, 1188 { 1189 .name = "ab8500-pwm", 1190 .id = 1, 1191 }, 1192 { 1193 .name = "abx500-temp", 1194 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1195 .resources = ab8500_temp_resources, 1196 }, 1197 { 1198 .name = "pinctrl-ab9540", 1199 .of_compatible = "stericsson,ab9540-gpio", 1200 }, 1201 { 1202 .name = "ab9540-usb", 1203 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1204 .resources = ab8500_usb_resources, 1205 }, 1206 { 1207 .name = "ab9540-codec", 1208 }, 1209 { 1210 .name = "ab-iddet", 1211 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1212 .resources = ab8505_iddet_resources, 1213 }, 1214 }; 1215 1216 /* Device list for ab8505 */ 1217 static const struct mfd_cell ab8505_devs[] = { 1218 #ifdef CONFIG_DEBUG_FS 1219 { 1220 .name = "ab8500-debug", 1221 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1222 .resources = ab8500_debug_resources, 1223 }, 1224 #endif 1225 { 1226 .name = "ab8500-sysctrl", 1227 }, 1228 { 1229 .name = "ab8500-regulator", 1230 }, 1231 { 1232 .name = "abx500-clk", 1233 .of_compatible = "stericsson,abx500-clk", 1234 }, 1235 { 1236 .name = "ab8500-gpadc", 1237 .of_compatible = "stericsson,ab8500-gpadc", 1238 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1239 .resources = ab8505_gpadc_resources, 1240 }, 1241 { 1242 .name = "ab8500-rtc", 1243 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1244 .resources = ab8500_rtc_resources, 1245 }, 1246 { 1247 .name = "ab8500-acc-det", 1248 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1249 .resources = ab8500_av_acc_detect_resources, 1250 }, 1251 { 1252 .name = "ab8500-poweron-key", 1253 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1254 .resources = ab8500_poweronkey_db_resources, 1255 }, 1256 { 1257 .name = "ab8500-pwm", 1258 .id = 1, 1259 }, 1260 { 1261 .name = "pinctrl-ab8505", 1262 }, 1263 { 1264 .name = "ab8500-usb", 1265 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1266 .resources = ab8500_usb_resources, 1267 }, 1268 { 1269 .name = "ab8500-codec", 1270 }, 1271 { 1272 .name = "ab-iddet", 1273 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1274 .resources = ab8505_iddet_resources, 1275 }, 1276 }; 1277 1278 static const struct mfd_cell ab8540_devs[] = { 1279 #ifdef CONFIG_DEBUG_FS 1280 { 1281 .name = "ab8500-debug", 1282 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1283 .resources = ab8500_debug_resources, 1284 }, 1285 #endif 1286 { 1287 .name = "ab8500-sysctrl", 1288 }, 1289 { 1290 .name = "ab8500-ext-regulator", 1291 }, 1292 { 1293 .name = "ab8500-regulator", 1294 }, 1295 { 1296 .name = "abx500-clk", 1297 .of_compatible = "stericsson,abx500-clk", 1298 }, 1299 { 1300 .name = "ab8500-gpadc", 1301 .of_compatible = "stericsson,ab8500-gpadc", 1302 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1303 .resources = ab8505_gpadc_resources, 1304 }, 1305 { 1306 .name = "ab8500-acc-det", 1307 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1308 .resources = ab8500_av_acc_detect_resources, 1309 }, 1310 { 1311 .name = "ab8500-poweron-key", 1312 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1313 .resources = ab8500_poweronkey_db_resources, 1314 }, 1315 { 1316 .name = "ab8500-pwm", 1317 .id = 1, 1318 }, 1319 { 1320 .name = "abx500-temp", 1321 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1322 .resources = ab8500_temp_resources, 1323 }, 1324 { 1325 .name = "pinctrl-ab8540", 1326 }, 1327 { 1328 .name = "ab8540-usb", 1329 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1330 .resources = ab8500_usb_resources, 1331 }, 1332 { 1333 .name = "ab8540-codec", 1334 }, 1335 { 1336 .name = "ab-iddet", 1337 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1338 .resources = ab8505_iddet_resources, 1339 }, 1340 }; 1341 1342 static const struct mfd_cell ab8540_cut1_devs[] = { 1343 { 1344 .name = "ab8500-rtc", 1345 .of_compatible = "stericsson,ab8500-rtc", 1346 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1347 .resources = ab8500_rtc_resources, 1348 }, 1349 }; 1350 1351 static const struct mfd_cell ab8540_cut2_devs[] = { 1352 { 1353 .name = "ab8540-rtc", 1354 .of_compatible = "stericsson,ab8540-rtc", 1355 .num_resources = ARRAY_SIZE(ab8540_rtc_resources), 1356 .resources = ab8540_rtc_resources, 1357 }, 1358 }; 1359 1360 static ssize_t show_chip_id(struct device *dev, 1361 struct device_attribute *attr, char *buf) 1362 { 1363 struct ab8500 *ab8500; 1364 1365 ab8500 = dev_get_drvdata(dev); 1366 1367 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL); 1368 } 1369 1370 /* 1371 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1372 * 0x01 Swoff bit programming 1373 * 0x02 Thermal protection activation 1374 * 0x04 Vbat lower then BattOk falling threshold 1375 * 0x08 Watchdog expired 1376 * 0x10 Non presence of 32kHz clock 1377 * 0x20 Battery level lower than power on reset threshold 1378 * 0x40 Power on key 1 pressed longer than 10 seconds 1379 * 0x80 DB8500 thermal shutdown 1380 */ 1381 static ssize_t show_switch_off_status(struct device *dev, 1382 struct device_attribute *attr, char *buf) 1383 { 1384 int ret; 1385 u8 value; 1386 struct ab8500 *ab8500; 1387 1388 ab8500 = dev_get_drvdata(dev); 1389 ret = get_register_interruptible(ab8500, AB8500_RTC, 1390 AB8500_SWITCH_OFF_STATUS, &value); 1391 if (ret < 0) 1392 return ret; 1393 return sprintf(buf, "%#x\n", value); 1394 } 1395 1396 /* use mask and set to override the register turn_on_stat value */ 1397 void ab8500_override_turn_on_stat(u8 mask, u8 set) 1398 { 1399 spin_lock(&on_stat_lock); 1400 turn_on_stat_mask = mask; 1401 turn_on_stat_set = set; 1402 spin_unlock(&on_stat_lock); 1403 } 1404 1405 /* 1406 * ab8500 has turned on due to (TURN_ON_STATUS): 1407 * 0x01 PORnVbat 1408 * 0x02 PonKey1dbF 1409 * 0x04 PonKey2dbF 1410 * 0x08 RTCAlarm 1411 * 0x10 MainChDet 1412 * 0x20 VbusDet 1413 * 0x40 UsbIDDetect 1414 * 0x80 Reserved 1415 */ 1416 static ssize_t show_turn_on_status(struct device *dev, 1417 struct device_attribute *attr, char *buf) 1418 { 1419 int ret; 1420 u8 value; 1421 struct ab8500 *ab8500; 1422 1423 ab8500 = dev_get_drvdata(dev); 1424 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1425 AB8500_TURN_ON_STATUS, &value); 1426 if (ret < 0) 1427 return ret; 1428 1429 /* 1430 * In L9540, turn_on_status register is not updated correctly if 1431 * the device is rebooted with AC/USB charger connected. Due to 1432 * this, the device boots android instead of entering into charge 1433 * only mode. Read the AC/USB status register to detect the charger 1434 * presence and update the turn on status manually. 1435 */ 1436 if (is_ab9540(ab8500)) { 1437 spin_lock(&on_stat_lock); 1438 value = (value & turn_on_stat_mask) | turn_on_stat_set; 1439 spin_unlock(&on_stat_lock); 1440 } 1441 1442 return sprintf(buf, "%#x\n", value); 1443 } 1444 1445 static ssize_t show_turn_on_status_2(struct device *dev, 1446 struct device_attribute *attr, char *buf) 1447 { 1448 int ret; 1449 u8 value; 1450 struct ab8500 *ab8500; 1451 1452 ab8500 = dev_get_drvdata(dev); 1453 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1454 AB8505_TURN_ON_STATUS_2, &value); 1455 if (ret < 0) 1456 return ret; 1457 return sprintf(buf, "%#x\n", (value & 0x1)); 1458 } 1459 1460 static ssize_t show_ab9540_dbbrstn(struct device *dev, 1461 struct device_attribute *attr, char *buf) 1462 { 1463 struct ab8500 *ab8500; 1464 int ret; 1465 u8 value; 1466 1467 ab8500 = dev_get_drvdata(dev); 1468 1469 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2, 1470 AB9540_MODEM_CTRL2_REG, &value); 1471 if (ret < 0) 1472 return ret; 1473 1474 return sprintf(buf, "%d\n", 1475 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0); 1476 } 1477 1478 static ssize_t store_ab9540_dbbrstn(struct device *dev, 1479 struct device_attribute *attr, const char *buf, size_t count) 1480 { 1481 struct ab8500 *ab8500; 1482 int ret = count; 1483 int err; 1484 u8 bitvalues; 1485 1486 ab8500 = dev_get_drvdata(dev); 1487 1488 if (count > 0) { 1489 switch (buf[0]) { 1490 case '0': 1491 bitvalues = 0; 1492 break; 1493 case '1': 1494 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT; 1495 break; 1496 default: 1497 goto exit; 1498 } 1499 1500 err = mask_and_set_register_interruptible(ab8500, 1501 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG, 1502 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues); 1503 if (err) 1504 dev_info(ab8500->dev, 1505 "Failed to set DBBRSTN %c, err %#x\n", 1506 buf[0], err); 1507 } 1508 1509 exit: 1510 return ret; 1511 } 1512 1513 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); 1514 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); 1515 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); 1516 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL); 1517 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR, 1518 show_ab9540_dbbrstn, store_ab9540_dbbrstn); 1519 1520 static struct attribute *ab8500_sysfs_entries[] = { 1521 &dev_attr_chip_id.attr, 1522 &dev_attr_switch_off_status.attr, 1523 &dev_attr_turn_on_status.attr, 1524 NULL, 1525 }; 1526 1527 static struct attribute *ab8505_sysfs_entries[] = { 1528 &dev_attr_turn_on_status_2.attr, 1529 NULL, 1530 }; 1531 1532 static struct attribute *ab9540_sysfs_entries[] = { 1533 &dev_attr_chip_id.attr, 1534 &dev_attr_switch_off_status.attr, 1535 &dev_attr_turn_on_status.attr, 1536 &dev_attr_dbbrstn.attr, 1537 NULL, 1538 }; 1539 1540 static struct attribute_group ab8500_attr_group = { 1541 .attrs = ab8500_sysfs_entries, 1542 }; 1543 1544 static struct attribute_group ab8505_attr_group = { 1545 .attrs = ab8505_sysfs_entries, 1546 }; 1547 1548 static struct attribute_group ab9540_attr_group = { 1549 .attrs = ab9540_sysfs_entries, 1550 }; 1551 1552 static int ab8500_probe(struct platform_device *pdev) 1553 { 1554 static char *switch_off_status[] = { 1555 "Swoff bit programming", 1556 "Thermal protection activation", 1557 "Vbat lower then BattOk falling threshold", 1558 "Watchdog expired", 1559 "Non presence of 32kHz clock", 1560 "Battery level lower than power on reset threshold", 1561 "Power on key 1 pressed longer than 10 seconds", 1562 "DB8500 thermal shutdown"}; 1563 static char *turn_on_status[] = { 1564 "Battery rising (Vbat)", 1565 "Power On Key 1 dbF", 1566 "Power On Key 2 dbF", 1567 "RTC Alarm", 1568 "Main Charger Detect", 1569 "Vbus Detect (USB)", 1570 "USB ID Detect", 1571 "UART Factory Mode Detect"}; 1572 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); 1573 const struct platform_device_id *platid = platform_get_device_id(pdev); 1574 enum ab8500_version version = AB8500_VERSION_UNDEFINED; 1575 struct device_node *np = pdev->dev.of_node; 1576 struct ab8500 *ab8500; 1577 struct resource *resource; 1578 int ret; 1579 int i; 1580 u8 value; 1581 1582 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL); 1583 if (!ab8500) 1584 return -ENOMEM; 1585 1586 ab8500->dev = &pdev->dev; 1587 1588 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0); 1589 if (!resource) { 1590 dev_err(&pdev->dev, "no IRQ resource\n"); 1591 return -ENODEV; 1592 } 1593 1594 ab8500->irq = resource->start; 1595 1596 ab8500->read = ab8500_prcmu_read; 1597 ab8500->write = ab8500_prcmu_write; 1598 ab8500->write_masked = ab8500_prcmu_write_masked; 1599 1600 mutex_init(&ab8500->lock); 1601 mutex_init(&ab8500->irq_lock); 1602 atomic_set(&ab8500->transfer_ongoing, 0); 1603 1604 platform_set_drvdata(pdev, ab8500); 1605 1606 if (platid) 1607 version = platid->driver_data; 1608 1609 if (version != AB8500_VERSION_UNDEFINED) 1610 ab8500->version = version; 1611 else { 1612 ret = get_register_interruptible(ab8500, AB8500_MISC, 1613 AB8500_IC_NAME_REG, &value); 1614 if (ret < 0) { 1615 dev_err(&pdev->dev, "could not probe HW\n"); 1616 return ret; 1617 } 1618 1619 ab8500->version = value; 1620 } 1621 1622 ret = get_register_interruptible(ab8500, AB8500_MISC, 1623 AB8500_REV_REG, &value); 1624 if (ret < 0) 1625 return ret; 1626 1627 ab8500->chip_id = value; 1628 1629 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n", 1630 ab8500_version_str[ab8500->version], 1631 ab8500->chip_id >> 4, 1632 ab8500->chip_id & 0x0F); 1633 1634 /* Configure AB8540 */ 1635 if (is_ab8540(ab8500)) { 1636 ab8500->mask_size = AB8540_NUM_IRQ_REGS; 1637 ab8500->irq_reg_offset = ab8540_irq_regoffset; 1638 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM; 1639 }/* Configure AB8500 or AB9540 IRQ */ 1640 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) { 1641 ab8500->mask_size = AB9540_NUM_IRQ_REGS; 1642 ab8500->irq_reg_offset = ab9540_irq_regoffset; 1643 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1644 } else { 1645 ab8500->mask_size = AB8500_NUM_IRQ_REGS; 1646 ab8500->irq_reg_offset = ab8500_irq_regoffset; 1647 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1648 } 1649 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1650 if (!ab8500->mask) 1651 return -ENOMEM; 1652 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1653 if (!ab8500->oldmask) 1654 return -ENOMEM; 1655 1656 /* 1657 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1658 * 0x01 Swoff bit programming 1659 * 0x02 Thermal protection activation 1660 * 0x04 Vbat lower then BattOk falling threshold 1661 * 0x08 Watchdog expired 1662 * 0x10 Non presence of 32kHz clock 1663 * 0x20 Battery level lower than power on reset threshold 1664 * 0x40 Power on key 1 pressed longer than 10 seconds 1665 * 0x80 DB8500 thermal shutdown 1666 */ 1667 1668 ret = get_register_interruptible(ab8500, AB8500_RTC, 1669 AB8500_SWITCH_OFF_STATUS, &value); 1670 if (ret < 0) 1671 return ret; 1672 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value); 1673 1674 if (value) { 1675 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) { 1676 if (value & 1) 1677 printk(KERN_CONT " \"%s\"", 1678 switch_off_status[i]); 1679 value = value >> 1; 1680 1681 } 1682 printk(KERN_CONT "\n"); 1683 } else { 1684 printk(KERN_CONT " None\n"); 1685 } 1686 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1687 AB8500_TURN_ON_STATUS, &value); 1688 if (ret < 0) 1689 return ret; 1690 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value); 1691 1692 if (value) { 1693 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) { 1694 if (value & 1) 1695 printk("\"%s\" ", turn_on_status[i]); 1696 value = value >> 1; 1697 } 1698 printk("\n"); 1699 } else { 1700 printk("None\n"); 1701 } 1702 1703 if (plat && plat->init) 1704 plat->init(ab8500); 1705 1706 if (is_ab9540(ab8500)) { 1707 ret = get_register_interruptible(ab8500, AB8500_CHARGER, 1708 AB8500_CH_USBCH_STAT1_REG, &value); 1709 if (ret < 0) 1710 return ret; 1711 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100)) 1712 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON, 1713 AB8500_VBUS_DET); 1714 } 1715 1716 /* Clear and mask all interrupts */ 1717 for (i = 0; i < ab8500->mask_size; i++) { 1718 /* 1719 * Interrupt register 12 doesn't exist prior to AB8500 version 1720 * 2.0 1721 */ 1722 if (ab8500->irq_reg_offset[i] == 11 && 1723 is_ab8500_1p1_or_earlier(ab8500)) 1724 continue; 1725 1726 if (ab8500->irq_reg_offset[i] < 0) 1727 continue; 1728 1729 get_register_interruptible(ab8500, AB8500_INTERRUPT, 1730 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i], 1731 &value); 1732 set_register_interruptible(ab8500, AB8500_INTERRUPT, 1733 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff); 1734 } 1735 1736 ret = abx500_register_ops(ab8500->dev, &ab8500_ops); 1737 if (ret) 1738 return ret; 1739 1740 for (i = 0; i < ab8500->mask_size; i++) 1741 ab8500->mask[i] = ab8500->oldmask[i] = 0xff; 1742 1743 ret = ab8500_irq_init(ab8500, np); 1744 if (ret) 1745 return ret; 1746 1747 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL, 1748 ab8500_hierarchical_irq, 1749 IRQF_ONESHOT | IRQF_NO_SUSPEND, 1750 "ab8500", ab8500); 1751 if (ret) 1752 return ret; 1753 1754 #if CONFIG_DEBUG_FS 1755 /* Pass to debugfs */ 1756 ab8500_debug_resources[0].start = ab8500->irq; 1757 ab8500_debug_resources[0].end = ab8500->irq; 1758 #endif 1759 1760 if (is_ab9540(ab8500)) 1761 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs, 1762 ARRAY_SIZE(ab9540_devs), NULL, 1763 0, ab8500->domain); 1764 else if (is_ab8540(ab8500)) { 1765 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs, 1766 ARRAY_SIZE(ab8540_devs), NULL, 1767 0, ab8500->domain); 1768 if (ret) 1769 return ret; 1770 1771 if (is_ab8540_1p2_or_earlier(ab8500)) 1772 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs, 1773 ARRAY_SIZE(ab8540_cut1_devs), NULL, 1774 0, ab8500->domain); 1775 else /* ab8540 >= cut2 */ 1776 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs, 1777 ARRAY_SIZE(ab8540_cut2_devs), NULL, 1778 0, ab8500->domain); 1779 } else if (is_ab8505(ab8500)) 1780 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs, 1781 ARRAY_SIZE(ab8505_devs), NULL, 1782 0, ab8500->domain); 1783 else 1784 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, 1785 ARRAY_SIZE(ab8500_devs), NULL, 1786 0, ab8500->domain); 1787 if (ret) 1788 return ret; 1789 1790 if (!no_bm) { 1791 /* Add battery management devices */ 1792 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs, 1793 ARRAY_SIZE(ab8500_bm_devs), NULL, 1794 0, ab8500->domain); 1795 if (ret) 1796 dev_err(ab8500->dev, "error adding bm devices\n"); 1797 } 1798 1799 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1800 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1801 ret = sysfs_create_group(&ab8500->dev->kobj, 1802 &ab9540_attr_group); 1803 else 1804 ret = sysfs_create_group(&ab8500->dev->kobj, 1805 &ab8500_attr_group); 1806 1807 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1808 ab8500->chip_id >= AB8500_CUT2P0) 1809 ret = sysfs_create_group(&ab8500->dev->kobj, 1810 &ab8505_attr_group); 1811 1812 if (ret) 1813 dev_err(ab8500->dev, "error creating sysfs entries\n"); 1814 1815 return ret; 1816 } 1817 1818 static int ab8500_remove(struct platform_device *pdev) 1819 { 1820 struct ab8500 *ab8500 = platform_get_drvdata(pdev); 1821 1822 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1823 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1824 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group); 1825 else 1826 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group); 1827 1828 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1829 ab8500->chip_id >= AB8500_CUT2P0) 1830 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group); 1831 1832 mfd_remove_devices(ab8500->dev); 1833 1834 return 0; 1835 } 1836 1837 static const struct platform_device_id ab8500_id[] = { 1838 { "ab8500-core", AB8500_VERSION_AB8500 }, 1839 { "ab8505-i2c", AB8500_VERSION_AB8505 }, 1840 { "ab9540-i2c", AB8500_VERSION_AB9540 }, 1841 { "ab8540-i2c", AB8500_VERSION_AB8540 }, 1842 { } 1843 }; 1844 1845 static struct platform_driver ab8500_core_driver = { 1846 .driver = { 1847 .name = "ab8500-core", 1848 .owner = THIS_MODULE, 1849 }, 1850 .probe = ab8500_probe, 1851 .remove = ab8500_remove, 1852 .id_table = ab8500_id, 1853 }; 1854 1855 static int __init ab8500_core_init(void) 1856 { 1857 return platform_driver_register(&ab8500_core_driver); 1858 } 1859 1860 static void __exit ab8500_core_exit(void) 1861 { 1862 platform_driver_unregister(&ab8500_core_driver); 1863 } 1864 core_initcall(ab8500_core_init); 1865 module_exit(ab8500_core_exit); 1866 1867 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent"); 1868 MODULE_DESCRIPTION("AB8500 MFD core"); 1869 MODULE_LICENSE("GPL v2"); 1870