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(ab8500->irq_base + 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, ab8500->irq_base, 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 ab8500_poweronkey_db_resources[] = { 654 { 655 .name = "ONKEY_DBF", 656 .start = AB8500_INT_PON_KEY1DB_F, 657 .end = AB8500_INT_PON_KEY1DB_F, 658 .flags = IORESOURCE_IRQ, 659 }, 660 { 661 .name = "ONKEY_DBR", 662 .start = AB8500_INT_PON_KEY1DB_R, 663 .end = AB8500_INT_PON_KEY1DB_R, 664 .flags = IORESOURCE_IRQ, 665 }, 666 }; 667 668 static struct resource ab8500_av_acc_detect_resources[] = { 669 { 670 .name = "ACC_DETECT_1DB_F", 671 .start = AB8500_INT_ACC_DETECT_1DB_F, 672 .end = AB8500_INT_ACC_DETECT_1DB_F, 673 .flags = IORESOURCE_IRQ, 674 }, 675 { 676 .name = "ACC_DETECT_1DB_R", 677 .start = AB8500_INT_ACC_DETECT_1DB_R, 678 .end = AB8500_INT_ACC_DETECT_1DB_R, 679 .flags = IORESOURCE_IRQ, 680 }, 681 { 682 .name = "ACC_DETECT_21DB_F", 683 .start = AB8500_INT_ACC_DETECT_21DB_F, 684 .end = AB8500_INT_ACC_DETECT_21DB_F, 685 .flags = IORESOURCE_IRQ, 686 }, 687 { 688 .name = "ACC_DETECT_21DB_R", 689 .start = AB8500_INT_ACC_DETECT_21DB_R, 690 .end = AB8500_INT_ACC_DETECT_21DB_R, 691 .flags = IORESOURCE_IRQ, 692 }, 693 { 694 .name = "ACC_DETECT_22DB_F", 695 .start = AB8500_INT_ACC_DETECT_22DB_F, 696 .end = AB8500_INT_ACC_DETECT_22DB_F, 697 .flags = IORESOURCE_IRQ, 698 }, 699 { 700 .name = "ACC_DETECT_22DB_R", 701 .start = AB8500_INT_ACC_DETECT_22DB_R, 702 .end = AB8500_INT_ACC_DETECT_22DB_R, 703 .flags = IORESOURCE_IRQ, 704 }, 705 }; 706 707 static struct resource ab8500_charger_resources[] = { 708 { 709 .name = "MAIN_CH_UNPLUG_DET", 710 .start = AB8500_INT_MAIN_CH_UNPLUG_DET, 711 .end = AB8500_INT_MAIN_CH_UNPLUG_DET, 712 .flags = IORESOURCE_IRQ, 713 }, 714 { 715 .name = "MAIN_CHARGE_PLUG_DET", 716 .start = AB8500_INT_MAIN_CH_PLUG_DET, 717 .end = AB8500_INT_MAIN_CH_PLUG_DET, 718 .flags = IORESOURCE_IRQ, 719 }, 720 { 721 .name = "VBUS_DET_R", 722 .start = AB8500_INT_VBUS_DET_R, 723 .end = AB8500_INT_VBUS_DET_R, 724 .flags = IORESOURCE_IRQ, 725 }, 726 { 727 .name = "VBUS_DET_F", 728 .start = AB8500_INT_VBUS_DET_F, 729 .end = AB8500_INT_VBUS_DET_F, 730 .flags = IORESOURCE_IRQ, 731 }, 732 { 733 .name = "USB_LINK_STATUS", 734 .start = AB8500_INT_USB_LINK_STATUS, 735 .end = AB8500_INT_USB_LINK_STATUS, 736 .flags = IORESOURCE_IRQ, 737 }, 738 { 739 .name = "VBUS_OVV", 740 .start = AB8500_INT_VBUS_OVV, 741 .end = AB8500_INT_VBUS_OVV, 742 .flags = IORESOURCE_IRQ, 743 }, 744 { 745 .name = "USB_CH_TH_PROT_R", 746 .start = AB8500_INT_USB_CH_TH_PROT_R, 747 .end = AB8500_INT_USB_CH_TH_PROT_R, 748 .flags = IORESOURCE_IRQ, 749 }, 750 { 751 .name = "USB_CH_TH_PROT_F", 752 .start = AB8500_INT_USB_CH_TH_PROT_F, 753 .end = AB8500_INT_USB_CH_TH_PROT_F, 754 .flags = IORESOURCE_IRQ, 755 }, 756 { 757 .name = "MAIN_EXT_CH_NOT_OK", 758 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, 759 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, 760 .flags = IORESOURCE_IRQ, 761 }, 762 { 763 .name = "MAIN_CH_TH_PROT_R", 764 .start = AB8500_INT_MAIN_CH_TH_PROT_R, 765 .end = AB8500_INT_MAIN_CH_TH_PROT_R, 766 .flags = IORESOURCE_IRQ, 767 }, 768 { 769 .name = "MAIN_CH_TH_PROT_F", 770 .start = AB8500_INT_MAIN_CH_TH_PROT_F, 771 .end = AB8500_INT_MAIN_CH_TH_PROT_F, 772 .flags = IORESOURCE_IRQ, 773 }, 774 { 775 .name = "USB_CHARGER_NOT_OKR", 776 .start = AB8500_INT_USB_CHARGER_NOT_OKR, 777 .end = AB8500_INT_USB_CHARGER_NOT_OKR, 778 .flags = IORESOURCE_IRQ, 779 }, 780 { 781 .name = "CH_WD_EXP", 782 .start = AB8500_INT_CH_WD_EXP, 783 .end = AB8500_INT_CH_WD_EXP, 784 .flags = IORESOURCE_IRQ, 785 }, 786 { 787 .name = "VBUS_CH_DROP_END", 788 .start = AB8500_INT_VBUS_CH_DROP_END, 789 .end = AB8500_INT_VBUS_CH_DROP_END, 790 .flags = IORESOURCE_IRQ, 791 }, 792 }; 793 794 static struct resource ab8500_btemp_resources[] = { 795 { 796 .name = "BAT_CTRL_INDB", 797 .start = AB8500_INT_BAT_CTRL_INDB, 798 .end = AB8500_INT_BAT_CTRL_INDB, 799 .flags = IORESOURCE_IRQ, 800 }, 801 { 802 .name = "BTEMP_LOW", 803 .start = AB8500_INT_BTEMP_LOW, 804 .end = AB8500_INT_BTEMP_LOW, 805 .flags = IORESOURCE_IRQ, 806 }, 807 { 808 .name = "BTEMP_HIGH", 809 .start = AB8500_INT_BTEMP_HIGH, 810 .end = AB8500_INT_BTEMP_HIGH, 811 .flags = IORESOURCE_IRQ, 812 }, 813 { 814 .name = "BTEMP_LOW_MEDIUM", 815 .start = AB8500_INT_BTEMP_LOW_MEDIUM, 816 .end = AB8500_INT_BTEMP_LOW_MEDIUM, 817 .flags = IORESOURCE_IRQ, 818 }, 819 { 820 .name = "BTEMP_MEDIUM_HIGH", 821 .start = AB8500_INT_BTEMP_MEDIUM_HIGH, 822 .end = AB8500_INT_BTEMP_MEDIUM_HIGH, 823 .flags = IORESOURCE_IRQ, 824 }, 825 }; 826 827 static struct resource ab8500_fg_resources[] = { 828 { 829 .name = "NCONV_ACCU", 830 .start = AB8500_INT_CCN_CONV_ACC, 831 .end = AB8500_INT_CCN_CONV_ACC, 832 .flags = IORESOURCE_IRQ, 833 }, 834 { 835 .name = "BATT_OVV", 836 .start = AB8500_INT_BATT_OVV, 837 .end = AB8500_INT_BATT_OVV, 838 .flags = IORESOURCE_IRQ, 839 }, 840 { 841 .name = "LOW_BAT_F", 842 .start = AB8500_INT_LOW_BAT_F, 843 .end = AB8500_INT_LOW_BAT_F, 844 .flags = IORESOURCE_IRQ, 845 }, 846 { 847 .name = "LOW_BAT_R", 848 .start = AB8500_INT_LOW_BAT_R, 849 .end = AB8500_INT_LOW_BAT_R, 850 .flags = IORESOURCE_IRQ, 851 }, 852 { 853 .name = "CC_INT_CALIB", 854 .start = AB8500_INT_CC_INT_CALIB, 855 .end = AB8500_INT_CC_INT_CALIB, 856 .flags = IORESOURCE_IRQ, 857 }, 858 { 859 .name = "CCEOC", 860 .start = AB8500_INT_CCEOC, 861 .end = AB8500_INT_CCEOC, 862 .flags = IORESOURCE_IRQ, 863 }, 864 }; 865 866 static struct resource ab8500_chargalg_resources[] = {}; 867 868 #ifdef CONFIG_DEBUG_FS 869 static struct resource ab8500_debug_resources[] = { 870 { 871 .name = "IRQ_FIRST", 872 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, 873 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, 874 .flags = IORESOURCE_IRQ, 875 }, 876 { 877 .name = "IRQ_LAST", 878 .start = AB8500_INT_XTAL32K_KO, 879 .end = AB8500_INT_XTAL32K_KO, 880 .flags = IORESOURCE_IRQ, 881 }, 882 }; 883 #endif 884 885 static struct resource ab8500_usb_resources[] = { 886 { 887 .name = "ID_WAKEUP_R", 888 .start = AB8500_INT_ID_WAKEUP_R, 889 .end = AB8500_INT_ID_WAKEUP_R, 890 .flags = IORESOURCE_IRQ, 891 }, 892 { 893 .name = "ID_WAKEUP_F", 894 .start = AB8500_INT_ID_WAKEUP_F, 895 .end = AB8500_INT_ID_WAKEUP_F, 896 .flags = IORESOURCE_IRQ, 897 }, 898 { 899 .name = "VBUS_DET_F", 900 .start = AB8500_INT_VBUS_DET_F, 901 .end = AB8500_INT_VBUS_DET_F, 902 .flags = IORESOURCE_IRQ, 903 }, 904 { 905 .name = "VBUS_DET_R", 906 .start = AB8500_INT_VBUS_DET_R, 907 .end = AB8500_INT_VBUS_DET_R, 908 .flags = IORESOURCE_IRQ, 909 }, 910 { 911 .name = "USB_LINK_STATUS", 912 .start = AB8500_INT_USB_LINK_STATUS, 913 .end = AB8500_INT_USB_LINK_STATUS, 914 .flags = IORESOURCE_IRQ, 915 }, 916 { 917 .name = "USB_ADP_PROBE_PLUG", 918 .start = AB8500_INT_ADP_PROBE_PLUG, 919 .end = AB8500_INT_ADP_PROBE_PLUG, 920 .flags = IORESOURCE_IRQ, 921 }, 922 { 923 .name = "USB_ADP_PROBE_UNPLUG", 924 .start = AB8500_INT_ADP_PROBE_UNPLUG, 925 .end = AB8500_INT_ADP_PROBE_UNPLUG, 926 .flags = IORESOURCE_IRQ, 927 }, 928 }; 929 930 static struct resource ab8505_iddet_resources[] = { 931 { 932 .name = "KeyDeglitch", 933 .start = AB8505_INT_KEYDEGLITCH, 934 .end = AB8505_INT_KEYDEGLITCH, 935 .flags = IORESOURCE_IRQ, 936 }, 937 { 938 .name = "KP", 939 .start = AB8505_INT_KP, 940 .end = AB8505_INT_KP, 941 .flags = IORESOURCE_IRQ, 942 }, 943 { 944 .name = "IKP", 945 .start = AB8505_INT_IKP, 946 .end = AB8505_INT_IKP, 947 .flags = IORESOURCE_IRQ, 948 }, 949 { 950 .name = "IKR", 951 .start = AB8505_INT_IKR, 952 .end = AB8505_INT_IKR, 953 .flags = IORESOURCE_IRQ, 954 }, 955 { 956 .name = "KeyStuck", 957 .start = AB8505_INT_KEYSTUCK, 958 .end = AB8505_INT_KEYSTUCK, 959 .flags = IORESOURCE_IRQ, 960 }, 961 { 962 .name = "VBUS_DET_R", 963 .start = AB8500_INT_VBUS_DET_R, 964 .end = AB8500_INT_VBUS_DET_R, 965 .flags = IORESOURCE_IRQ, 966 }, 967 { 968 .name = "VBUS_DET_F", 969 .start = AB8500_INT_VBUS_DET_F, 970 .end = AB8500_INT_VBUS_DET_F, 971 .flags = IORESOURCE_IRQ, 972 }, 973 { 974 .name = "ID_DET_PLUGR", 975 .start = AB8500_INT_ID_DET_PLUGR, 976 .end = AB8500_INT_ID_DET_PLUGR, 977 .flags = IORESOURCE_IRQ, 978 }, 979 { 980 .name = "ID_DET_PLUGF", 981 .start = AB8500_INT_ID_DET_PLUGF, 982 .end = AB8500_INT_ID_DET_PLUGF, 983 .flags = IORESOURCE_IRQ, 984 }, 985 }; 986 987 static struct resource ab8500_temp_resources[] = { 988 { 989 .name = "ABX500_TEMP_WARM", 990 .start = AB8500_INT_TEMP_WARM, 991 .end = AB8500_INT_TEMP_WARM, 992 .flags = IORESOURCE_IRQ, 993 }, 994 }; 995 996 static struct mfd_cell ab8500_bm_devs[] = { 997 { 998 .name = "ab8500-charger", 999 .of_compatible = "stericsson,ab8500-charger", 1000 .num_resources = ARRAY_SIZE(ab8500_charger_resources), 1001 .resources = ab8500_charger_resources, 1002 .platform_data = &ab8500_bm_data, 1003 .pdata_size = sizeof(ab8500_bm_data), 1004 }, 1005 { 1006 .name = "ab8500-btemp", 1007 .of_compatible = "stericsson,ab8500-btemp", 1008 .num_resources = ARRAY_SIZE(ab8500_btemp_resources), 1009 .resources = ab8500_btemp_resources, 1010 .platform_data = &ab8500_bm_data, 1011 .pdata_size = sizeof(ab8500_bm_data), 1012 }, 1013 { 1014 .name = "ab8500-fg", 1015 .of_compatible = "stericsson,ab8500-fg", 1016 .num_resources = ARRAY_SIZE(ab8500_fg_resources), 1017 .resources = ab8500_fg_resources, 1018 .platform_data = &ab8500_bm_data, 1019 .pdata_size = sizeof(ab8500_bm_data), 1020 }, 1021 { 1022 .name = "ab8500-chargalg", 1023 .of_compatible = "stericsson,ab8500-chargalg", 1024 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources), 1025 .resources = ab8500_chargalg_resources, 1026 .platform_data = &ab8500_bm_data, 1027 .pdata_size = sizeof(ab8500_bm_data), 1028 }, 1029 }; 1030 1031 static struct mfd_cell ab8500_devs[] = { 1032 #ifdef CONFIG_DEBUG_FS 1033 { 1034 .name = "ab8500-debug", 1035 .of_compatible = "stericsson,ab8500-debug", 1036 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1037 .resources = ab8500_debug_resources, 1038 }, 1039 #endif 1040 { 1041 .name = "ab8500-sysctrl", 1042 .of_compatible = "stericsson,ab8500-sysctrl", 1043 }, 1044 { 1045 .name = "ab8500-regulator", 1046 .of_compatible = "stericsson,ab8500-regulator", 1047 }, 1048 { 1049 .name = "abx500-clk", 1050 .of_compatible = "stericsson,abx500-clk", 1051 }, 1052 { 1053 .name = "ab8500-gpadc", 1054 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1055 .resources = ab8500_gpadc_resources, 1056 }, 1057 { 1058 .name = "ab8500-rtc", 1059 .of_compatible = "stericsson,ab8500-rtc", 1060 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1061 .resources = ab8500_rtc_resources, 1062 }, 1063 { 1064 .name = "ab8500-acc-det", 1065 .of_compatible = "stericsson,ab8500-acc-det", 1066 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1067 .resources = ab8500_av_acc_detect_resources, 1068 }, 1069 { 1070 1071 .name = "ab8500-poweron-key", 1072 .of_compatible = "stericsson,ab8500-poweron-key", 1073 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1074 .resources = ab8500_poweronkey_db_resources, 1075 }, 1076 { 1077 .name = "ab8500-pwm", 1078 .of_compatible = "stericsson,ab8500-pwm", 1079 .id = 1, 1080 }, 1081 { 1082 .name = "ab8500-pwm", 1083 .of_compatible = "stericsson,ab8500-pwm", 1084 .id = 2, 1085 }, 1086 { 1087 .name = "ab8500-pwm", 1088 .of_compatible = "stericsson,ab8500-pwm", 1089 .id = 3, 1090 }, 1091 { 1092 .name = "ab8500-leds", 1093 .of_compatible = "stericsson,ab8500-leds", 1094 }, 1095 { 1096 .name = "ab8500-denc", 1097 .of_compatible = "stericsson,ab8500-denc", 1098 }, 1099 { 1100 .name = "ab8500-gpio", 1101 .of_compatible = "stericsson,ab8500-gpio", 1102 }, 1103 { 1104 .name = "abx500-temp", 1105 .of_compatible = "stericsson,abx500-temp", 1106 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1107 .resources = ab8500_temp_resources, 1108 }, 1109 { 1110 .name = "ab8500-usb", 1111 .of_compatible = "stericsson,ab8500-usb", 1112 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1113 .resources = ab8500_usb_resources, 1114 }, 1115 { 1116 .name = "ab8500-codec", 1117 }, 1118 }; 1119 1120 static struct mfd_cell ab9540_devs[] = { 1121 #ifdef CONFIG_DEBUG_FS 1122 { 1123 .name = "ab8500-debug", 1124 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1125 .resources = ab8500_debug_resources, 1126 }, 1127 #endif 1128 { 1129 .name = "ab8500-sysctrl", 1130 }, 1131 { 1132 .name = "ab8500-regulator", 1133 }, 1134 { 1135 .name = "abx500-clk", 1136 .of_compatible = "stericsson,abx500-clk", 1137 }, 1138 { 1139 .name = "ab8500-gpadc", 1140 .of_compatible = "stericsson,ab8500-gpadc", 1141 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1142 .resources = ab8500_gpadc_resources, 1143 }, 1144 { 1145 .name = "ab8500-rtc", 1146 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1147 .resources = ab8500_rtc_resources, 1148 }, 1149 { 1150 .name = "ab8500-acc-det", 1151 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1152 .resources = ab8500_av_acc_detect_resources, 1153 }, 1154 { 1155 .name = "ab8500-poweron-key", 1156 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1157 .resources = ab8500_poweronkey_db_resources, 1158 }, 1159 { 1160 .name = "ab8500-pwm", 1161 .id = 1, 1162 }, 1163 { 1164 .name = "ab8500-leds", 1165 }, 1166 { 1167 .name = "abx500-temp", 1168 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1169 .resources = ab8500_temp_resources, 1170 }, 1171 { 1172 .name = "pinctrl-ab9540", 1173 .of_compatible = "stericsson,ab9540-gpio", 1174 }, 1175 { 1176 .name = "ab9540-usb", 1177 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1178 .resources = ab8500_usb_resources, 1179 }, 1180 { 1181 .name = "ab9540-codec", 1182 }, 1183 { 1184 .name = "ab-iddet", 1185 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1186 .resources = ab8505_iddet_resources, 1187 }, 1188 }; 1189 1190 /* Device list for ab8505 */ 1191 static struct mfd_cell ab8505_devs[] = { 1192 #ifdef CONFIG_DEBUG_FS 1193 { 1194 .name = "ab8500-debug", 1195 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1196 .resources = ab8500_debug_resources, 1197 }, 1198 #endif 1199 { 1200 .name = "ab8500-sysctrl", 1201 }, 1202 { 1203 .name = "ab8500-regulator", 1204 }, 1205 { 1206 .name = "abx500-clk", 1207 .of_compatible = "stericsson,abx500-clk", 1208 }, 1209 { 1210 .name = "ab8500-gpadc", 1211 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1212 .resources = ab8505_gpadc_resources, 1213 }, 1214 { 1215 .name = "ab8500-rtc", 1216 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1217 .resources = ab8500_rtc_resources, 1218 }, 1219 { 1220 .name = "ab8500-acc-det", 1221 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1222 .resources = ab8500_av_acc_detect_resources, 1223 }, 1224 { 1225 .name = "ab8500-poweron-key", 1226 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1227 .resources = ab8500_poweronkey_db_resources, 1228 }, 1229 { 1230 .name = "ab8500-pwm", 1231 .id = 1, 1232 }, 1233 { 1234 .name = "ab8500-leds", 1235 }, 1236 { 1237 .name = "ab8500-gpio", 1238 }, 1239 { 1240 .name = "ab8500-usb", 1241 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1242 .resources = ab8500_usb_resources, 1243 }, 1244 { 1245 .name = "ab8500-codec", 1246 }, 1247 { 1248 .name = "ab-iddet", 1249 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1250 .resources = ab8505_iddet_resources, 1251 }, 1252 }; 1253 1254 static struct mfd_cell ab8540_devs[] = { 1255 #ifdef CONFIG_DEBUG_FS 1256 { 1257 .name = "ab8500-debug", 1258 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1259 .resources = ab8500_debug_resources, 1260 }, 1261 #endif 1262 { 1263 .name = "ab8500-sysctrl", 1264 }, 1265 { 1266 .name = "ab8500-regulator", 1267 }, 1268 { 1269 .name = "abx500-clk", 1270 .of_compatible = "stericsson,abx500-clk", 1271 }, 1272 { 1273 .name = "ab8500-gpadc", 1274 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1275 .resources = ab8505_gpadc_resources, 1276 }, 1277 { 1278 .name = "ab8500-rtc", 1279 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1280 .resources = ab8500_rtc_resources, 1281 }, 1282 { 1283 .name = "ab8500-acc-det", 1284 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1285 .resources = ab8500_av_acc_detect_resources, 1286 }, 1287 { 1288 .name = "ab8500-poweron-key", 1289 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1290 .resources = ab8500_poweronkey_db_resources, 1291 }, 1292 { 1293 .name = "ab8500-pwm", 1294 .id = 1, 1295 }, 1296 { 1297 .name = "ab8500-leds", 1298 }, 1299 { 1300 .name = "abx500-temp", 1301 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1302 .resources = ab8500_temp_resources, 1303 }, 1304 { 1305 .name = "ab8500-gpio", 1306 }, 1307 { 1308 .name = "ab8540-usb", 1309 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1310 .resources = ab8500_usb_resources, 1311 }, 1312 { 1313 .name = "ab8540-codec", 1314 }, 1315 { 1316 .name = "ab-iddet", 1317 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1318 .resources = ab8505_iddet_resources, 1319 }, 1320 }; 1321 1322 static ssize_t show_chip_id(struct device *dev, 1323 struct device_attribute *attr, char *buf) 1324 { 1325 struct ab8500 *ab8500; 1326 1327 ab8500 = dev_get_drvdata(dev); 1328 1329 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL); 1330 } 1331 1332 /* 1333 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1334 * 0x01 Swoff bit programming 1335 * 0x02 Thermal protection activation 1336 * 0x04 Vbat lower then BattOk falling threshold 1337 * 0x08 Watchdog expired 1338 * 0x10 Non presence of 32kHz clock 1339 * 0x20 Battery level lower than power on reset threshold 1340 * 0x40 Power on key 1 pressed longer than 10 seconds 1341 * 0x80 DB8500 thermal shutdown 1342 */ 1343 static ssize_t show_switch_off_status(struct device *dev, 1344 struct device_attribute *attr, char *buf) 1345 { 1346 int ret; 1347 u8 value; 1348 struct ab8500 *ab8500; 1349 1350 ab8500 = dev_get_drvdata(dev); 1351 ret = get_register_interruptible(ab8500, AB8500_RTC, 1352 AB8500_SWITCH_OFF_STATUS, &value); 1353 if (ret < 0) 1354 return ret; 1355 return sprintf(buf, "%#x\n", value); 1356 } 1357 1358 /* use mask and set to override the register turn_on_stat value */ 1359 void ab8500_override_turn_on_stat(u8 mask, u8 set) 1360 { 1361 spin_lock(&on_stat_lock); 1362 turn_on_stat_mask = mask; 1363 turn_on_stat_set = set; 1364 spin_unlock(&on_stat_lock); 1365 } 1366 1367 /* 1368 * ab8500 has turned on due to (TURN_ON_STATUS): 1369 * 0x01 PORnVbat 1370 * 0x02 PonKey1dbF 1371 * 0x04 PonKey2dbF 1372 * 0x08 RTCAlarm 1373 * 0x10 MainChDet 1374 * 0x20 VbusDet 1375 * 0x40 UsbIDDetect 1376 * 0x80 Reserved 1377 */ 1378 static ssize_t show_turn_on_status(struct device *dev, 1379 struct device_attribute *attr, char *buf) 1380 { 1381 int ret; 1382 u8 value; 1383 struct ab8500 *ab8500; 1384 1385 ab8500 = dev_get_drvdata(dev); 1386 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1387 AB8500_TURN_ON_STATUS, &value); 1388 if (ret < 0) 1389 return ret; 1390 1391 /* 1392 * In L9540, turn_on_status register is not updated correctly if 1393 * the device is rebooted with AC/USB charger connected. Due to 1394 * this, the device boots android instead of entering into charge 1395 * only mode. Read the AC/USB status register to detect the charger 1396 * presence and update the turn on status manually. 1397 */ 1398 if (is_ab9540(ab8500)) { 1399 spin_lock(&on_stat_lock); 1400 value = (value & turn_on_stat_mask) | turn_on_stat_set; 1401 spin_unlock(&on_stat_lock); 1402 } 1403 1404 return sprintf(buf, "%#x\n", value); 1405 } 1406 1407 static ssize_t show_turn_on_status_2(struct device *dev, 1408 struct device_attribute *attr, char *buf) 1409 { 1410 int ret; 1411 u8 value; 1412 struct ab8500 *ab8500; 1413 1414 ab8500 = dev_get_drvdata(dev); 1415 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1416 AB8505_TURN_ON_STATUS_2, &value); 1417 if (ret < 0) 1418 return ret; 1419 return sprintf(buf, "%#x\n", (value & 0x1)); 1420 } 1421 1422 static ssize_t show_ab9540_dbbrstn(struct device *dev, 1423 struct device_attribute *attr, char *buf) 1424 { 1425 struct ab8500 *ab8500; 1426 int ret; 1427 u8 value; 1428 1429 ab8500 = dev_get_drvdata(dev); 1430 1431 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2, 1432 AB9540_MODEM_CTRL2_REG, &value); 1433 if (ret < 0) 1434 return ret; 1435 1436 return sprintf(buf, "%d\n", 1437 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0); 1438 } 1439 1440 static ssize_t store_ab9540_dbbrstn(struct device *dev, 1441 struct device_attribute *attr, const char *buf, size_t count) 1442 { 1443 struct ab8500 *ab8500; 1444 int ret = count; 1445 int err; 1446 u8 bitvalues; 1447 1448 ab8500 = dev_get_drvdata(dev); 1449 1450 if (count > 0) { 1451 switch (buf[0]) { 1452 case '0': 1453 bitvalues = 0; 1454 break; 1455 case '1': 1456 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT; 1457 break; 1458 default: 1459 goto exit; 1460 } 1461 1462 err = mask_and_set_register_interruptible(ab8500, 1463 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG, 1464 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues); 1465 if (err) 1466 dev_info(ab8500->dev, 1467 "Failed to set DBBRSTN %c, err %#x\n", 1468 buf[0], err); 1469 } 1470 1471 exit: 1472 return ret; 1473 } 1474 1475 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); 1476 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); 1477 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); 1478 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL); 1479 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR, 1480 show_ab9540_dbbrstn, store_ab9540_dbbrstn); 1481 1482 static struct attribute *ab8500_sysfs_entries[] = { 1483 &dev_attr_chip_id.attr, 1484 &dev_attr_switch_off_status.attr, 1485 &dev_attr_turn_on_status.attr, 1486 NULL, 1487 }; 1488 1489 static struct attribute *ab8505_sysfs_entries[] = { 1490 &dev_attr_turn_on_status_2.attr, 1491 NULL, 1492 }; 1493 1494 static struct attribute *ab9540_sysfs_entries[] = { 1495 &dev_attr_chip_id.attr, 1496 &dev_attr_switch_off_status.attr, 1497 &dev_attr_turn_on_status.attr, 1498 &dev_attr_dbbrstn.attr, 1499 NULL, 1500 }; 1501 1502 static struct attribute_group ab8500_attr_group = { 1503 .attrs = ab8500_sysfs_entries, 1504 }; 1505 1506 static struct attribute_group ab8505_attr_group = { 1507 .attrs = ab8505_sysfs_entries, 1508 }; 1509 1510 static struct attribute_group ab9540_attr_group = { 1511 .attrs = ab9540_sysfs_entries, 1512 }; 1513 1514 static int ab8500_probe(struct platform_device *pdev) 1515 { 1516 static char *switch_off_status[] = { 1517 "Swoff bit programming", 1518 "Thermal protection activation", 1519 "Vbat lower then BattOk falling threshold", 1520 "Watchdog expired", 1521 "Non presence of 32kHz clock", 1522 "Battery level lower than power on reset threshold", 1523 "Power on key 1 pressed longer than 10 seconds", 1524 "DB8500 thermal shutdown"}; 1525 static char *turn_on_status[] = { 1526 "Battery rising (Vbat)", 1527 "Power On Key 1 dbF", 1528 "Power On Key 2 dbF", 1529 "RTC Alarm", 1530 "Main Charger Detect", 1531 "Vbus Detect (USB)", 1532 "USB ID Detect", 1533 "UART Factory Mode Detect"}; 1534 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); 1535 const struct platform_device_id *platid = platform_get_device_id(pdev); 1536 enum ab8500_version version = AB8500_VERSION_UNDEFINED; 1537 struct device_node *np = pdev->dev.of_node; 1538 struct ab8500 *ab8500; 1539 struct resource *resource; 1540 int ret; 1541 int i; 1542 u8 value; 1543 1544 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL); 1545 if (!ab8500) 1546 return -ENOMEM; 1547 1548 if (plat) 1549 ab8500->irq_base = plat->irq_base; 1550 1551 ab8500->dev = &pdev->dev; 1552 1553 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0); 1554 if (!resource) 1555 return -ENODEV; 1556 1557 ab8500->irq = resource->start; 1558 1559 ab8500->read = ab8500_prcmu_read; 1560 ab8500->write = ab8500_prcmu_write; 1561 ab8500->write_masked = ab8500_prcmu_write_masked; 1562 1563 mutex_init(&ab8500->lock); 1564 mutex_init(&ab8500->irq_lock); 1565 atomic_set(&ab8500->transfer_ongoing, 0); 1566 1567 platform_set_drvdata(pdev, ab8500); 1568 1569 if (platid) 1570 version = platid->driver_data; 1571 1572 if (version != AB8500_VERSION_UNDEFINED) 1573 ab8500->version = version; 1574 else { 1575 ret = get_register_interruptible(ab8500, AB8500_MISC, 1576 AB8500_IC_NAME_REG, &value); 1577 if (ret < 0) 1578 return ret; 1579 1580 ab8500->version = value; 1581 } 1582 1583 ret = get_register_interruptible(ab8500, AB8500_MISC, 1584 AB8500_REV_REG, &value); 1585 if (ret < 0) 1586 return ret; 1587 1588 ab8500->chip_id = value; 1589 1590 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n", 1591 ab8500_version_str[ab8500->version], 1592 ab8500->chip_id >> 4, 1593 ab8500->chip_id & 0x0F); 1594 1595 /* Configure AB8540 */ 1596 if (is_ab8540(ab8500)) { 1597 ab8500->mask_size = AB8540_NUM_IRQ_REGS; 1598 ab8500->irq_reg_offset = ab8540_irq_regoffset; 1599 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM; 1600 }/* Configure AB8500 or AB9540 IRQ */ 1601 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) { 1602 ab8500->mask_size = AB9540_NUM_IRQ_REGS; 1603 ab8500->irq_reg_offset = ab9540_irq_regoffset; 1604 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1605 } else { 1606 ab8500->mask_size = AB8500_NUM_IRQ_REGS; 1607 ab8500->irq_reg_offset = ab8500_irq_regoffset; 1608 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1609 } 1610 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1611 if (!ab8500->mask) 1612 return -ENOMEM; 1613 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1614 if (!ab8500->oldmask) 1615 return -ENOMEM; 1616 1617 /* 1618 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1619 * 0x01 Swoff bit programming 1620 * 0x02 Thermal protection activation 1621 * 0x04 Vbat lower then BattOk falling threshold 1622 * 0x08 Watchdog expired 1623 * 0x10 Non presence of 32kHz clock 1624 * 0x20 Battery level lower than power on reset threshold 1625 * 0x40 Power on key 1 pressed longer than 10 seconds 1626 * 0x80 DB8500 thermal shutdown 1627 */ 1628 1629 ret = get_register_interruptible(ab8500, AB8500_RTC, 1630 AB8500_SWITCH_OFF_STATUS, &value); 1631 if (ret < 0) 1632 return ret; 1633 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value); 1634 1635 if (value) { 1636 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) { 1637 if (value & 1) 1638 printk(KERN_CONT " \"%s\"", 1639 switch_off_status[i]); 1640 value = value >> 1; 1641 1642 } 1643 printk(KERN_CONT "\n"); 1644 } else { 1645 printk(KERN_CONT " None\n"); 1646 } 1647 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1648 AB8500_TURN_ON_STATUS, &value); 1649 if (ret < 0) 1650 return ret; 1651 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value); 1652 1653 if (value) { 1654 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) { 1655 if (value & 1) 1656 printk("\"%s\" ", turn_on_status[i]); 1657 value = value >> 1; 1658 } 1659 printk("\n"); 1660 } else { 1661 printk("None\n"); 1662 } 1663 1664 if (plat && plat->init) 1665 plat->init(ab8500); 1666 1667 if (is_ab9540(ab8500)) { 1668 ret = get_register_interruptible(ab8500, AB8500_CHARGER, 1669 AB8500_CH_USBCH_STAT1_REG, &value); 1670 if (ret < 0) 1671 return ret; 1672 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100)) 1673 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON, 1674 AB8500_VBUS_DET); 1675 } 1676 1677 /* Clear and mask all interrupts */ 1678 for (i = 0; i < ab8500->mask_size; i++) { 1679 /* 1680 * Interrupt register 12 doesn't exist prior to AB8500 version 1681 * 2.0 1682 */ 1683 if (ab8500->irq_reg_offset[i] == 11 && 1684 is_ab8500_1p1_or_earlier(ab8500)) 1685 continue; 1686 1687 if (ab8500->irq_reg_offset[i] < 0) 1688 continue; 1689 1690 get_register_interruptible(ab8500, AB8500_INTERRUPT, 1691 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i], 1692 &value); 1693 set_register_interruptible(ab8500, AB8500_INTERRUPT, 1694 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff); 1695 } 1696 1697 ret = abx500_register_ops(ab8500->dev, &ab8500_ops); 1698 if (ret) 1699 return ret; 1700 1701 for (i = 0; i < ab8500->mask_size; i++) 1702 ab8500->mask[i] = ab8500->oldmask[i] = 0xff; 1703 1704 ret = ab8500_irq_init(ab8500, np); 1705 if (ret) 1706 return ret; 1707 1708 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL, 1709 ab8500_hierarchical_irq, 1710 IRQF_ONESHOT | IRQF_NO_SUSPEND, 1711 "ab8500", ab8500); 1712 if (ret) 1713 return ret; 1714 1715 if (is_ab9540(ab8500)) 1716 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs, 1717 ARRAY_SIZE(ab9540_devs), NULL, 1718 ab8500->irq_base, ab8500->domain); 1719 else if (is_ab8540(ab8500)) 1720 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs, 1721 ARRAY_SIZE(ab8540_devs), NULL, 1722 ab8500->irq_base, ab8500->domain); 1723 else if (is_ab8505(ab8500)) 1724 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs, 1725 ARRAY_SIZE(ab8505_devs), NULL, 1726 ab8500->irq_base, ab8500->domain); 1727 else 1728 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, 1729 ARRAY_SIZE(ab8500_devs), NULL, 1730 ab8500->irq_base, ab8500->domain); 1731 if (ret) 1732 return ret; 1733 1734 if (!no_bm) { 1735 /* Add battery management devices */ 1736 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs, 1737 ARRAY_SIZE(ab8500_bm_devs), NULL, 1738 ab8500->irq_base, ab8500->domain); 1739 if (ret) 1740 dev_err(ab8500->dev, "error adding bm devices\n"); 1741 } 1742 1743 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1744 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1745 ret = sysfs_create_group(&ab8500->dev->kobj, 1746 &ab9540_attr_group); 1747 else 1748 ret = sysfs_create_group(&ab8500->dev->kobj, 1749 &ab8500_attr_group); 1750 1751 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1752 ab8500->chip_id >= AB8500_CUT2P0) 1753 ret = sysfs_create_group(&ab8500->dev->kobj, 1754 &ab8505_attr_group); 1755 1756 if (ret) 1757 dev_err(ab8500->dev, "error creating sysfs entries\n"); 1758 1759 return ret; 1760 } 1761 1762 static int ab8500_remove(struct platform_device *pdev) 1763 { 1764 struct ab8500 *ab8500 = platform_get_drvdata(pdev); 1765 1766 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1767 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1768 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group); 1769 else 1770 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group); 1771 1772 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1773 ab8500->chip_id >= AB8500_CUT2P0) 1774 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group); 1775 1776 mfd_remove_devices(ab8500->dev); 1777 1778 return 0; 1779 } 1780 1781 static const struct platform_device_id ab8500_id[] = { 1782 { "ab8500-core", AB8500_VERSION_AB8500 }, 1783 { "ab8505-i2c", AB8500_VERSION_AB8505 }, 1784 { "ab9540-i2c", AB8500_VERSION_AB9540 }, 1785 { "ab8540-i2c", AB8500_VERSION_AB8540 }, 1786 { } 1787 }; 1788 1789 static struct platform_driver ab8500_core_driver = { 1790 .driver = { 1791 .name = "ab8500-core", 1792 .owner = THIS_MODULE, 1793 }, 1794 .probe = ab8500_probe, 1795 .remove = ab8500_remove, 1796 .id_table = ab8500_id, 1797 }; 1798 1799 static int __init ab8500_core_init(void) 1800 { 1801 return platform_driver_register(&ab8500_core_driver); 1802 } 1803 1804 static void __exit ab8500_core_exit(void) 1805 { 1806 platform_driver_unregister(&ab8500_core_driver); 1807 } 1808 core_initcall(ab8500_core_init); 1809 module_exit(ab8500_core_exit); 1810 1811 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent"); 1812 MODULE_DESCRIPTION("AB8500 MFD core"); 1813 MODULE_LICENSE("GPL v2"); 1814