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_AB8500", 872 /* 873 * Number will be filled in. NOTE: this is deliberately 874 * not flagged as an IRQ in ordet to avoid remapping using 875 * the irqdomain in the MFD core, so that this IRQ passes 876 * unremapped to the debug code. 877 */ 878 }, 879 { 880 .name = "IRQ_FIRST", 881 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, 882 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, 883 .flags = IORESOURCE_IRQ, 884 }, 885 { 886 .name = "IRQ_LAST", 887 .start = AB8500_INT_XTAL32K_KO, 888 .end = AB8500_INT_XTAL32K_KO, 889 .flags = IORESOURCE_IRQ, 890 }, 891 }; 892 #endif 893 894 static struct resource ab8500_usb_resources[] = { 895 { 896 .name = "ID_WAKEUP_R", 897 .start = AB8500_INT_ID_WAKEUP_R, 898 .end = AB8500_INT_ID_WAKEUP_R, 899 .flags = IORESOURCE_IRQ, 900 }, 901 { 902 .name = "ID_WAKEUP_F", 903 .start = AB8500_INT_ID_WAKEUP_F, 904 .end = AB8500_INT_ID_WAKEUP_F, 905 .flags = IORESOURCE_IRQ, 906 }, 907 { 908 .name = "VBUS_DET_F", 909 .start = AB8500_INT_VBUS_DET_F, 910 .end = AB8500_INT_VBUS_DET_F, 911 .flags = IORESOURCE_IRQ, 912 }, 913 { 914 .name = "VBUS_DET_R", 915 .start = AB8500_INT_VBUS_DET_R, 916 .end = AB8500_INT_VBUS_DET_R, 917 .flags = IORESOURCE_IRQ, 918 }, 919 { 920 .name = "USB_LINK_STATUS", 921 .start = AB8500_INT_USB_LINK_STATUS, 922 .end = AB8500_INT_USB_LINK_STATUS, 923 .flags = IORESOURCE_IRQ, 924 }, 925 { 926 .name = "USB_ADP_PROBE_PLUG", 927 .start = AB8500_INT_ADP_PROBE_PLUG, 928 .end = AB8500_INT_ADP_PROBE_PLUG, 929 .flags = IORESOURCE_IRQ, 930 }, 931 { 932 .name = "USB_ADP_PROBE_UNPLUG", 933 .start = AB8500_INT_ADP_PROBE_UNPLUG, 934 .end = AB8500_INT_ADP_PROBE_UNPLUG, 935 .flags = IORESOURCE_IRQ, 936 }, 937 }; 938 939 static struct resource ab8505_iddet_resources[] = { 940 { 941 .name = "KeyDeglitch", 942 .start = AB8505_INT_KEYDEGLITCH, 943 .end = AB8505_INT_KEYDEGLITCH, 944 .flags = IORESOURCE_IRQ, 945 }, 946 { 947 .name = "KP", 948 .start = AB8505_INT_KP, 949 .end = AB8505_INT_KP, 950 .flags = IORESOURCE_IRQ, 951 }, 952 { 953 .name = "IKP", 954 .start = AB8505_INT_IKP, 955 .end = AB8505_INT_IKP, 956 .flags = IORESOURCE_IRQ, 957 }, 958 { 959 .name = "IKR", 960 .start = AB8505_INT_IKR, 961 .end = AB8505_INT_IKR, 962 .flags = IORESOURCE_IRQ, 963 }, 964 { 965 .name = "KeyStuck", 966 .start = AB8505_INT_KEYSTUCK, 967 .end = AB8505_INT_KEYSTUCK, 968 .flags = IORESOURCE_IRQ, 969 }, 970 { 971 .name = "VBUS_DET_R", 972 .start = AB8500_INT_VBUS_DET_R, 973 .end = AB8500_INT_VBUS_DET_R, 974 .flags = IORESOURCE_IRQ, 975 }, 976 { 977 .name = "VBUS_DET_F", 978 .start = AB8500_INT_VBUS_DET_F, 979 .end = AB8500_INT_VBUS_DET_F, 980 .flags = IORESOURCE_IRQ, 981 }, 982 { 983 .name = "ID_DET_PLUGR", 984 .start = AB8500_INT_ID_DET_PLUGR, 985 .end = AB8500_INT_ID_DET_PLUGR, 986 .flags = IORESOURCE_IRQ, 987 }, 988 { 989 .name = "ID_DET_PLUGF", 990 .start = AB8500_INT_ID_DET_PLUGF, 991 .end = AB8500_INT_ID_DET_PLUGF, 992 .flags = IORESOURCE_IRQ, 993 }, 994 }; 995 996 static struct resource ab8500_temp_resources[] = { 997 { 998 .name = "ABX500_TEMP_WARM", 999 .start = AB8500_INT_TEMP_WARM, 1000 .end = AB8500_INT_TEMP_WARM, 1001 .flags = IORESOURCE_IRQ, 1002 }, 1003 }; 1004 1005 static struct mfd_cell ab8500_bm_devs[] = { 1006 { 1007 .name = "ab8500-charger", 1008 .of_compatible = "stericsson,ab8500-charger", 1009 .num_resources = ARRAY_SIZE(ab8500_charger_resources), 1010 .resources = ab8500_charger_resources, 1011 .platform_data = &ab8500_bm_data, 1012 .pdata_size = sizeof(ab8500_bm_data), 1013 }, 1014 { 1015 .name = "ab8500-btemp", 1016 .of_compatible = "stericsson,ab8500-btemp", 1017 .num_resources = ARRAY_SIZE(ab8500_btemp_resources), 1018 .resources = ab8500_btemp_resources, 1019 .platform_data = &ab8500_bm_data, 1020 .pdata_size = sizeof(ab8500_bm_data), 1021 }, 1022 { 1023 .name = "ab8500-fg", 1024 .of_compatible = "stericsson,ab8500-fg", 1025 .num_resources = ARRAY_SIZE(ab8500_fg_resources), 1026 .resources = ab8500_fg_resources, 1027 .platform_data = &ab8500_bm_data, 1028 .pdata_size = sizeof(ab8500_bm_data), 1029 }, 1030 { 1031 .name = "ab8500-chargalg", 1032 .of_compatible = "stericsson,ab8500-chargalg", 1033 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources), 1034 .resources = ab8500_chargalg_resources, 1035 .platform_data = &ab8500_bm_data, 1036 .pdata_size = sizeof(ab8500_bm_data), 1037 }, 1038 }; 1039 1040 static struct mfd_cell ab8500_devs[] = { 1041 #ifdef CONFIG_DEBUG_FS 1042 { 1043 .name = "ab8500-debug", 1044 .of_compatible = "stericsson,ab8500-debug", 1045 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1046 .resources = ab8500_debug_resources, 1047 }, 1048 #endif 1049 { 1050 .name = "ab8500-sysctrl", 1051 .of_compatible = "stericsson,ab8500-sysctrl", 1052 }, 1053 { 1054 .name = "ab8500-regulator", 1055 .of_compatible = "stericsson,ab8500-regulator", 1056 }, 1057 { 1058 .name = "abx500-clk", 1059 .of_compatible = "stericsson,abx500-clk", 1060 }, 1061 { 1062 .name = "ab8500-gpadc", 1063 .of_compatible = "stericsson,ab8500-gpadc", 1064 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1065 .resources = ab8500_gpadc_resources, 1066 }, 1067 { 1068 .name = "ab8500-rtc", 1069 .of_compatible = "stericsson,ab8500-rtc", 1070 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1071 .resources = ab8500_rtc_resources, 1072 }, 1073 { 1074 .name = "ab8500-acc-det", 1075 .of_compatible = "stericsson,ab8500-acc-det", 1076 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1077 .resources = ab8500_av_acc_detect_resources, 1078 }, 1079 { 1080 1081 .name = "ab8500-poweron-key", 1082 .of_compatible = "stericsson,ab8500-poweron-key", 1083 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1084 .resources = ab8500_poweronkey_db_resources, 1085 }, 1086 { 1087 .name = "ab8500-pwm", 1088 .of_compatible = "stericsson,ab8500-pwm", 1089 .id = 1, 1090 }, 1091 { 1092 .name = "ab8500-pwm", 1093 .of_compatible = "stericsson,ab8500-pwm", 1094 .id = 2, 1095 }, 1096 { 1097 .name = "ab8500-pwm", 1098 .of_compatible = "stericsson,ab8500-pwm", 1099 .id = 3, 1100 }, 1101 { 1102 .name = "ab8500-leds", 1103 .of_compatible = "stericsson,ab8500-leds", 1104 }, 1105 { 1106 .name = "ab8500-denc", 1107 .of_compatible = "stericsson,ab8500-denc", 1108 }, 1109 { 1110 .name = "pinctrl-ab8500", 1111 .of_compatible = "stericsson,ab8500-gpio", 1112 }, 1113 { 1114 .name = "abx500-temp", 1115 .of_compatible = "stericsson,abx500-temp", 1116 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1117 .resources = ab8500_temp_resources, 1118 }, 1119 { 1120 .name = "ab8500-usb", 1121 .of_compatible = "stericsson,ab8500-usb", 1122 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1123 .resources = ab8500_usb_resources, 1124 }, 1125 { 1126 .name = "ab8500-codec", 1127 }, 1128 }; 1129 1130 static struct mfd_cell ab9540_devs[] = { 1131 #ifdef CONFIG_DEBUG_FS 1132 { 1133 .name = "ab8500-debug", 1134 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1135 .resources = ab8500_debug_resources, 1136 }, 1137 #endif 1138 { 1139 .name = "ab8500-sysctrl", 1140 }, 1141 { 1142 .name = "ab8500-regulator", 1143 }, 1144 { 1145 .name = "abx500-clk", 1146 .of_compatible = "stericsson,abx500-clk", 1147 }, 1148 { 1149 .name = "ab8500-gpadc", 1150 .of_compatible = "stericsson,ab8500-gpadc", 1151 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), 1152 .resources = ab8500_gpadc_resources, 1153 }, 1154 { 1155 .name = "ab8500-rtc", 1156 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1157 .resources = ab8500_rtc_resources, 1158 }, 1159 { 1160 .name = "ab8500-acc-det", 1161 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1162 .resources = ab8500_av_acc_detect_resources, 1163 }, 1164 { 1165 .name = "ab8500-poweron-key", 1166 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1167 .resources = ab8500_poweronkey_db_resources, 1168 }, 1169 { 1170 .name = "ab8500-pwm", 1171 .id = 1, 1172 }, 1173 { 1174 .name = "ab8500-leds", 1175 }, 1176 { 1177 .name = "abx500-temp", 1178 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1179 .resources = ab8500_temp_resources, 1180 }, 1181 { 1182 .name = "pinctrl-ab9540", 1183 .of_compatible = "stericsson,ab9540-gpio", 1184 }, 1185 { 1186 .name = "ab9540-usb", 1187 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1188 .resources = ab8500_usb_resources, 1189 }, 1190 { 1191 .name = "ab9540-codec", 1192 }, 1193 { 1194 .name = "ab-iddet", 1195 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1196 .resources = ab8505_iddet_resources, 1197 }, 1198 }; 1199 1200 /* Device list for ab8505 */ 1201 static struct mfd_cell ab8505_devs[] = { 1202 #ifdef CONFIG_DEBUG_FS 1203 { 1204 .name = "ab8500-debug", 1205 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1206 .resources = ab8500_debug_resources, 1207 }, 1208 #endif 1209 { 1210 .name = "ab8500-sysctrl", 1211 }, 1212 { 1213 .name = "ab8500-regulator", 1214 }, 1215 { 1216 .name = "abx500-clk", 1217 .of_compatible = "stericsson,abx500-clk", 1218 }, 1219 { 1220 .name = "ab8500-gpadc", 1221 .of_compatible = "stericsson,ab8500-gpadc", 1222 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1223 .resources = ab8505_gpadc_resources, 1224 }, 1225 { 1226 .name = "ab8500-rtc", 1227 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1228 .resources = ab8500_rtc_resources, 1229 }, 1230 { 1231 .name = "ab8500-acc-det", 1232 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1233 .resources = ab8500_av_acc_detect_resources, 1234 }, 1235 { 1236 .name = "ab8500-poweron-key", 1237 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1238 .resources = ab8500_poweronkey_db_resources, 1239 }, 1240 { 1241 .name = "ab8500-pwm", 1242 .id = 1, 1243 }, 1244 { 1245 .name = "ab8500-leds", 1246 }, 1247 { 1248 .name = "pinctrl-ab8505", 1249 }, 1250 { 1251 .name = "ab8500-usb", 1252 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1253 .resources = ab8500_usb_resources, 1254 }, 1255 { 1256 .name = "ab8500-codec", 1257 }, 1258 { 1259 .name = "ab-iddet", 1260 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1261 .resources = ab8505_iddet_resources, 1262 }, 1263 }; 1264 1265 static struct mfd_cell ab8540_devs[] = { 1266 #ifdef CONFIG_DEBUG_FS 1267 { 1268 .name = "ab8500-debug", 1269 .num_resources = ARRAY_SIZE(ab8500_debug_resources), 1270 .resources = ab8500_debug_resources, 1271 }, 1272 #endif 1273 { 1274 .name = "ab8500-sysctrl", 1275 }, 1276 { 1277 .name = "ab8500-regulator", 1278 }, 1279 { 1280 .name = "abx500-clk", 1281 .of_compatible = "stericsson,abx500-clk", 1282 }, 1283 { 1284 .name = "ab8500-gpadc", 1285 .of_compatible = "stericsson,ab8500-gpadc", 1286 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), 1287 .resources = ab8505_gpadc_resources, 1288 }, 1289 { 1290 .name = "ab8500-rtc", 1291 .num_resources = ARRAY_SIZE(ab8500_rtc_resources), 1292 .resources = ab8500_rtc_resources, 1293 }, 1294 { 1295 .name = "ab8500-acc-det", 1296 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), 1297 .resources = ab8500_av_acc_detect_resources, 1298 }, 1299 { 1300 .name = "ab8500-poweron-key", 1301 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), 1302 .resources = ab8500_poweronkey_db_resources, 1303 }, 1304 { 1305 .name = "ab8500-pwm", 1306 .id = 1, 1307 }, 1308 { 1309 .name = "ab8500-leds", 1310 }, 1311 { 1312 .name = "abx500-temp", 1313 .num_resources = ARRAY_SIZE(ab8500_temp_resources), 1314 .resources = ab8500_temp_resources, 1315 }, 1316 { 1317 .name = "pinctrl-ab8540", 1318 }, 1319 { 1320 .name = "ab8540-usb", 1321 .num_resources = ARRAY_SIZE(ab8500_usb_resources), 1322 .resources = ab8500_usb_resources, 1323 }, 1324 { 1325 .name = "ab8540-codec", 1326 }, 1327 { 1328 .name = "ab-iddet", 1329 .num_resources = ARRAY_SIZE(ab8505_iddet_resources), 1330 .resources = ab8505_iddet_resources, 1331 }, 1332 }; 1333 1334 static ssize_t show_chip_id(struct device *dev, 1335 struct device_attribute *attr, char *buf) 1336 { 1337 struct ab8500 *ab8500; 1338 1339 ab8500 = dev_get_drvdata(dev); 1340 1341 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL); 1342 } 1343 1344 /* 1345 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1346 * 0x01 Swoff bit programming 1347 * 0x02 Thermal protection activation 1348 * 0x04 Vbat lower then BattOk falling threshold 1349 * 0x08 Watchdog expired 1350 * 0x10 Non presence of 32kHz clock 1351 * 0x20 Battery level lower than power on reset threshold 1352 * 0x40 Power on key 1 pressed longer than 10 seconds 1353 * 0x80 DB8500 thermal shutdown 1354 */ 1355 static ssize_t show_switch_off_status(struct device *dev, 1356 struct device_attribute *attr, char *buf) 1357 { 1358 int ret; 1359 u8 value; 1360 struct ab8500 *ab8500; 1361 1362 ab8500 = dev_get_drvdata(dev); 1363 ret = get_register_interruptible(ab8500, AB8500_RTC, 1364 AB8500_SWITCH_OFF_STATUS, &value); 1365 if (ret < 0) 1366 return ret; 1367 return sprintf(buf, "%#x\n", value); 1368 } 1369 1370 /* use mask and set to override the register turn_on_stat value */ 1371 void ab8500_override_turn_on_stat(u8 mask, u8 set) 1372 { 1373 spin_lock(&on_stat_lock); 1374 turn_on_stat_mask = mask; 1375 turn_on_stat_set = set; 1376 spin_unlock(&on_stat_lock); 1377 } 1378 1379 /* 1380 * ab8500 has turned on due to (TURN_ON_STATUS): 1381 * 0x01 PORnVbat 1382 * 0x02 PonKey1dbF 1383 * 0x04 PonKey2dbF 1384 * 0x08 RTCAlarm 1385 * 0x10 MainChDet 1386 * 0x20 VbusDet 1387 * 0x40 UsbIDDetect 1388 * 0x80 Reserved 1389 */ 1390 static ssize_t show_turn_on_status(struct device *dev, 1391 struct device_attribute *attr, char *buf) 1392 { 1393 int ret; 1394 u8 value; 1395 struct ab8500 *ab8500; 1396 1397 ab8500 = dev_get_drvdata(dev); 1398 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1399 AB8500_TURN_ON_STATUS, &value); 1400 if (ret < 0) 1401 return ret; 1402 1403 /* 1404 * In L9540, turn_on_status register is not updated correctly if 1405 * the device is rebooted with AC/USB charger connected. Due to 1406 * this, the device boots android instead of entering into charge 1407 * only mode. Read the AC/USB status register to detect the charger 1408 * presence and update the turn on status manually. 1409 */ 1410 if (is_ab9540(ab8500)) { 1411 spin_lock(&on_stat_lock); 1412 value = (value & turn_on_stat_mask) | turn_on_stat_set; 1413 spin_unlock(&on_stat_lock); 1414 } 1415 1416 return sprintf(buf, "%#x\n", value); 1417 } 1418 1419 static ssize_t show_turn_on_status_2(struct device *dev, 1420 struct device_attribute *attr, char *buf) 1421 { 1422 int ret; 1423 u8 value; 1424 struct ab8500 *ab8500; 1425 1426 ab8500 = dev_get_drvdata(dev); 1427 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1428 AB8505_TURN_ON_STATUS_2, &value); 1429 if (ret < 0) 1430 return ret; 1431 return sprintf(buf, "%#x\n", (value & 0x1)); 1432 } 1433 1434 static ssize_t show_ab9540_dbbrstn(struct device *dev, 1435 struct device_attribute *attr, char *buf) 1436 { 1437 struct ab8500 *ab8500; 1438 int ret; 1439 u8 value; 1440 1441 ab8500 = dev_get_drvdata(dev); 1442 1443 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2, 1444 AB9540_MODEM_CTRL2_REG, &value); 1445 if (ret < 0) 1446 return ret; 1447 1448 return sprintf(buf, "%d\n", 1449 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0); 1450 } 1451 1452 static ssize_t store_ab9540_dbbrstn(struct device *dev, 1453 struct device_attribute *attr, const char *buf, size_t count) 1454 { 1455 struct ab8500 *ab8500; 1456 int ret = count; 1457 int err; 1458 u8 bitvalues; 1459 1460 ab8500 = dev_get_drvdata(dev); 1461 1462 if (count > 0) { 1463 switch (buf[0]) { 1464 case '0': 1465 bitvalues = 0; 1466 break; 1467 case '1': 1468 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT; 1469 break; 1470 default: 1471 goto exit; 1472 } 1473 1474 err = mask_and_set_register_interruptible(ab8500, 1475 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG, 1476 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues); 1477 if (err) 1478 dev_info(ab8500->dev, 1479 "Failed to set DBBRSTN %c, err %#x\n", 1480 buf[0], err); 1481 } 1482 1483 exit: 1484 return ret; 1485 } 1486 1487 static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); 1488 static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); 1489 static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); 1490 static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL); 1491 static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR, 1492 show_ab9540_dbbrstn, store_ab9540_dbbrstn); 1493 1494 static struct attribute *ab8500_sysfs_entries[] = { 1495 &dev_attr_chip_id.attr, 1496 &dev_attr_switch_off_status.attr, 1497 &dev_attr_turn_on_status.attr, 1498 NULL, 1499 }; 1500 1501 static struct attribute *ab8505_sysfs_entries[] = { 1502 &dev_attr_turn_on_status_2.attr, 1503 NULL, 1504 }; 1505 1506 static struct attribute *ab9540_sysfs_entries[] = { 1507 &dev_attr_chip_id.attr, 1508 &dev_attr_switch_off_status.attr, 1509 &dev_attr_turn_on_status.attr, 1510 &dev_attr_dbbrstn.attr, 1511 NULL, 1512 }; 1513 1514 static struct attribute_group ab8500_attr_group = { 1515 .attrs = ab8500_sysfs_entries, 1516 }; 1517 1518 static struct attribute_group ab8505_attr_group = { 1519 .attrs = ab8505_sysfs_entries, 1520 }; 1521 1522 static struct attribute_group ab9540_attr_group = { 1523 .attrs = ab9540_sysfs_entries, 1524 }; 1525 1526 static int ab8500_probe(struct platform_device *pdev) 1527 { 1528 static char *switch_off_status[] = { 1529 "Swoff bit programming", 1530 "Thermal protection activation", 1531 "Vbat lower then BattOk falling threshold", 1532 "Watchdog expired", 1533 "Non presence of 32kHz clock", 1534 "Battery level lower than power on reset threshold", 1535 "Power on key 1 pressed longer than 10 seconds", 1536 "DB8500 thermal shutdown"}; 1537 static char *turn_on_status[] = { 1538 "Battery rising (Vbat)", 1539 "Power On Key 1 dbF", 1540 "Power On Key 2 dbF", 1541 "RTC Alarm", 1542 "Main Charger Detect", 1543 "Vbus Detect (USB)", 1544 "USB ID Detect", 1545 "UART Factory Mode Detect"}; 1546 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); 1547 const struct platform_device_id *platid = platform_get_device_id(pdev); 1548 enum ab8500_version version = AB8500_VERSION_UNDEFINED; 1549 struct device_node *np = pdev->dev.of_node; 1550 struct ab8500 *ab8500; 1551 struct resource *resource; 1552 int ret; 1553 int i; 1554 u8 value; 1555 1556 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL); 1557 if (!ab8500) 1558 return -ENOMEM; 1559 1560 if (plat) 1561 ab8500->irq_base = plat->irq_base; 1562 1563 ab8500->dev = &pdev->dev; 1564 1565 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0); 1566 if (!resource) 1567 return -ENODEV; 1568 1569 ab8500->irq = resource->start; 1570 1571 ab8500->read = ab8500_prcmu_read; 1572 ab8500->write = ab8500_prcmu_write; 1573 ab8500->write_masked = ab8500_prcmu_write_masked; 1574 1575 mutex_init(&ab8500->lock); 1576 mutex_init(&ab8500->irq_lock); 1577 atomic_set(&ab8500->transfer_ongoing, 0); 1578 1579 platform_set_drvdata(pdev, ab8500); 1580 1581 if (platid) 1582 version = platid->driver_data; 1583 1584 if (version != AB8500_VERSION_UNDEFINED) 1585 ab8500->version = version; 1586 else { 1587 ret = get_register_interruptible(ab8500, AB8500_MISC, 1588 AB8500_IC_NAME_REG, &value); 1589 if (ret < 0) 1590 return ret; 1591 1592 ab8500->version = value; 1593 } 1594 1595 ret = get_register_interruptible(ab8500, AB8500_MISC, 1596 AB8500_REV_REG, &value); 1597 if (ret < 0) 1598 return ret; 1599 1600 ab8500->chip_id = value; 1601 1602 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n", 1603 ab8500_version_str[ab8500->version], 1604 ab8500->chip_id >> 4, 1605 ab8500->chip_id & 0x0F); 1606 1607 /* Configure AB8540 */ 1608 if (is_ab8540(ab8500)) { 1609 ab8500->mask_size = AB8540_NUM_IRQ_REGS; 1610 ab8500->irq_reg_offset = ab8540_irq_regoffset; 1611 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM; 1612 }/* Configure AB8500 or AB9540 IRQ */ 1613 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) { 1614 ab8500->mask_size = AB9540_NUM_IRQ_REGS; 1615 ab8500->irq_reg_offset = ab9540_irq_regoffset; 1616 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1617 } else { 1618 ab8500->mask_size = AB8500_NUM_IRQ_REGS; 1619 ab8500->irq_reg_offset = ab8500_irq_regoffset; 1620 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; 1621 } 1622 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1623 if (!ab8500->mask) 1624 return -ENOMEM; 1625 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); 1626 if (!ab8500->oldmask) 1627 return -ENOMEM; 1628 1629 /* 1630 * ab8500 has switched off due to (SWITCH_OFF_STATUS): 1631 * 0x01 Swoff bit programming 1632 * 0x02 Thermal protection activation 1633 * 0x04 Vbat lower then BattOk falling threshold 1634 * 0x08 Watchdog expired 1635 * 0x10 Non presence of 32kHz clock 1636 * 0x20 Battery level lower than power on reset threshold 1637 * 0x40 Power on key 1 pressed longer than 10 seconds 1638 * 0x80 DB8500 thermal shutdown 1639 */ 1640 1641 ret = get_register_interruptible(ab8500, AB8500_RTC, 1642 AB8500_SWITCH_OFF_STATUS, &value); 1643 if (ret < 0) 1644 return ret; 1645 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value); 1646 1647 if (value) { 1648 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) { 1649 if (value & 1) 1650 printk(KERN_CONT " \"%s\"", 1651 switch_off_status[i]); 1652 value = value >> 1; 1653 1654 } 1655 printk(KERN_CONT "\n"); 1656 } else { 1657 printk(KERN_CONT " None\n"); 1658 } 1659 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, 1660 AB8500_TURN_ON_STATUS, &value); 1661 if (ret < 0) 1662 return ret; 1663 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value); 1664 1665 if (value) { 1666 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) { 1667 if (value & 1) 1668 printk("\"%s\" ", turn_on_status[i]); 1669 value = value >> 1; 1670 } 1671 printk("\n"); 1672 } else { 1673 printk("None\n"); 1674 } 1675 1676 if (plat && plat->init) 1677 plat->init(ab8500); 1678 1679 if (is_ab9540(ab8500)) { 1680 ret = get_register_interruptible(ab8500, AB8500_CHARGER, 1681 AB8500_CH_USBCH_STAT1_REG, &value); 1682 if (ret < 0) 1683 return ret; 1684 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100)) 1685 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON, 1686 AB8500_VBUS_DET); 1687 } 1688 1689 /* Clear and mask all interrupts */ 1690 for (i = 0; i < ab8500->mask_size; i++) { 1691 /* 1692 * Interrupt register 12 doesn't exist prior to AB8500 version 1693 * 2.0 1694 */ 1695 if (ab8500->irq_reg_offset[i] == 11 && 1696 is_ab8500_1p1_or_earlier(ab8500)) 1697 continue; 1698 1699 if (ab8500->irq_reg_offset[i] < 0) 1700 continue; 1701 1702 get_register_interruptible(ab8500, AB8500_INTERRUPT, 1703 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i], 1704 &value); 1705 set_register_interruptible(ab8500, AB8500_INTERRUPT, 1706 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff); 1707 } 1708 1709 ret = abx500_register_ops(ab8500->dev, &ab8500_ops); 1710 if (ret) 1711 return ret; 1712 1713 for (i = 0; i < ab8500->mask_size; i++) 1714 ab8500->mask[i] = ab8500->oldmask[i] = 0xff; 1715 1716 ret = ab8500_irq_init(ab8500, np); 1717 if (ret) 1718 return ret; 1719 1720 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL, 1721 ab8500_hierarchical_irq, 1722 IRQF_ONESHOT | IRQF_NO_SUSPEND, 1723 "ab8500", ab8500); 1724 if (ret) 1725 return ret; 1726 1727 #if CONFIG_DEBUG_FS 1728 /* Pass to debugfs */ 1729 ab8500_debug_resources[0].start = ab8500->irq; 1730 ab8500_debug_resources[0].end = ab8500->irq; 1731 #endif 1732 1733 if (is_ab9540(ab8500)) 1734 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs, 1735 ARRAY_SIZE(ab9540_devs), NULL, 1736 ab8500->irq_base, ab8500->domain); 1737 else if (is_ab8540(ab8500)) 1738 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs, 1739 ARRAY_SIZE(ab8540_devs), NULL, 1740 ab8500->irq_base, ab8500->domain); 1741 else if (is_ab8505(ab8500)) 1742 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs, 1743 ARRAY_SIZE(ab8505_devs), NULL, 1744 ab8500->irq_base, ab8500->domain); 1745 else 1746 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, 1747 ARRAY_SIZE(ab8500_devs), NULL, 1748 ab8500->irq_base, ab8500->domain); 1749 if (ret) 1750 return ret; 1751 1752 if (!no_bm) { 1753 /* Add battery management devices */ 1754 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs, 1755 ARRAY_SIZE(ab8500_bm_devs), NULL, 1756 ab8500->irq_base, ab8500->domain); 1757 if (ret) 1758 dev_err(ab8500->dev, "error adding bm devices\n"); 1759 } 1760 1761 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1762 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1763 ret = sysfs_create_group(&ab8500->dev->kobj, 1764 &ab9540_attr_group); 1765 else 1766 ret = sysfs_create_group(&ab8500->dev->kobj, 1767 &ab8500_attr_group); 1768 1769 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1770 ab8500->chip_id >= AB8500_CUT2P0) 1771 ret = sysfs_create_group(&ab8500->dev->kobj, 1772 &ab8505_attr_group); 1773 1774 if (ret) 1775 dev_err(ab8500->dev, "error creating sysfs entries\n"); 1776 1777 return ret; 1778 } 1779 1780 static int ab8500_remove(struct platform_device *pdev) 1781 { 1782 struct ab8500 *ab8500 = platform_get_drvdata(pdev); 1783 1784 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1785 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) 1786 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group); 1787 else 1788 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group); 1789 1790 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && 1791 ab8500->chip_id >= AB8500_CUT2P0) 1792 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group); 1793 1794 mfd_remove_devices(ab8500->dev); 1795 1796 return 0; 1797 } 1798 1799 static const struct platform_device_id ab8500_id[] = { 1800 { "ab8500-core", AB8500_VERSION_AB8500 }, 1801 { "ab8505-i2c", AB8500_VERSION_AB8505 }, 1802 { "ab9540-i2c", AB8500_VERSION_AB9540 }, 1803 { "ab8540-i2c", AB8500_VERSION_AB8540 }, 1804 { } 1805 }; 1806 1807 static struct platform_driver ab8500_core_driver = { 1808 .driver = { 1809 .name = "ab8500-core", 1810 .owner = THIS_MODULE, 1811 }, 1812 .probe = ab8500_probe, 1813 .remove = ab8500_remove, 1814 .id_table = ab8500_id, 1815 }; 1816 1817 static int __init ab8500_core_init(void) 1818 { 1819 return platform_driver_register(&ab8500_core_driver); 1820 } 1821 1822 static void __exit ab8500_core_exit(void) 1823 { 1824 platform_driver_unregister(&ab8500_core_driver); 1825 } 1826 core_initcall(ab8500_core_init); 1827 module_exit(ab8500_core_exit); 1828 1829 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent"); 1830 MODULE_DESCRIPTION("AB8500 MFD core"); 1831 MODULE_LICENSE("GPL v2"); 1832