Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1 | /* |
| 2 | * wm831x-core.c -- Device access for Wolfson WM831x PMICs |
| 3 | * |
| 4 | * Copyright 2009 Wolfson Microelectronics PLC. |
| 5 | * |
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/i2c.h> |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 18 | #include <linux/bcd.h> |
| 19 | #include <linux/delay.h> |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 20 | #include <linux/mfd/core.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 21 | #include <linux/slab.h> |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 22 | |
| 23 | #include <linux/mfd/wm831x/core.h> |
| 24 | #include <linux/mfd/wm831x/pdata.h> |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 25 | #include <linux/mfd/wm831x/irq.h> |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 26 | #include <linux/mfd/wm831x/auxadc.h> |
Mark Brown | 6704e51 | 2009-07-27 14:45:56 +0100 | [diff] [blame] | 27 | #include <linux/mfd/wm831x/otp.h> |
Mark Brown | 698659d | 2009-07-27 14:45:57 +0100 | [diff] [blame] | 28 | #include <linux/mfd/wm831x/regulator.h> |
| 29 | |
| 30 | /* Current settings - values are 2*2^(reg_val/4) microamps. These are |
| 31 | * exported since they are used by multiple drivers. |
| 32 | */ |
Mark Brown | 7716977 | 2009-11-30 13:24:18 +0000 | [diff] [blame] | 33 | int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = { |
Mark Brown | 698659d | 2009-07-27 14:45:57 +0100 | [diff] [blame] | 34 | 2, |
| 35 | 2, |
| 36 | 3, |
| 37 | 3, |
| 38 | 4, |
| 39 | 5, |
| 40 | 6, |
| 41 | 7, |
| 42 | 8, |
| 43 | 10, |
| 44 | 11, |
| 45 | 13, |
| 46 | 16, |
| 47 | 19, |
| 48 | 23, |
| 49 | 27, |
| 50 | 32, |
| 51 | 38, |
| 52 | 45, |
| 53 | 54, |
| 54 | 64, |
| 55 | 76, |
| 56 | 91, |
| 57 | 108, |
| 58 | 128, |
| 59 | 152, |
| 60 | 181, |
| 61 | 215, |
| 62 | 256, |
| 63 | 304, |
| 64 | 362, |
| 65 | 431, |
| 66 | 512, |
| 67 | 609, |
| 68 | 724, |
| 69 | 861, |
| 70 | 1024, |
| 71 | 1218, |
| 72 | 1448, |
| 73 | 1722, |
| 74 | 2048, |
| 75 | 2435, |
| 76 | 2896, |
| 77 | 3444, |
| 78 | 4096, |
| 79 | 4871, |
| 80 | 5793, |
| 81 | 6889, |
| 82 | 8192, |
| 83 | 9742, |
| 84 | 11585, |
| 85 | 13777, |
| 86 | 16384, |
| 87 | 19484, |
| 88 | 23170, |
| 89 | 27554, |
| 90 | }; |
| 91 | EXPORT_SYMBOL_GPL(wm831x_isinkv_values); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 92 | |
| 93 | enum wm831x_parent { |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 94 | WM8310 = 0x8310, |
| 95 | WM8311 = 0x8311, |
| 96 | WM8312 = 0x8312, |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 97 | WM8320 = 0x8320, |
Mark Brown | 8891352 | 2010-07-21 14:23:37 +0100 | [diff] [blame] | 98 | WM8321 = 0x8321, |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg) |
| 102 | { |
| 103 | if (!wm831x->locked) |
| 104 | return 0; |
| 105 | |
| 106 | switch (reg) { |
| 107 | case WM831X_WATCHDOG: |
| 108 | case WM831X_DC4_CONTROL: |
| 109 | case WM831X_ON_PIN_CONTROL: |
| 110 | case WM831X_BACKUP_CHARGER_CONTROL: |
| 111 | case WM831X_CHARGER_CONTROL_1: |
| 112 | case WM831X_CHARGER_CONTROL_2: |
| 113 | return 1; |
| 114 | |
| 115 | default: |
| 116 | return 0; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * wm831x_reg_unlock: Unlock user keyed registers |
| 122 | * |
| 123 | * The WM831x has a user key preventing writes to particularly |
| 124 | * critical registers. This function locks those registers, |
| 125 | * allowing writes to them. |
| 126 | */ |
| 127 | void wm831x_reg_lock(struct wm831x *wm831x) |
| 128 | { |
| 129 | int ret; |
| 130 | |
| 131 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); |
| 132 | if (ret == 0) { |
| 133 | dev_vdbg(wm831x->dev, "Registers locked\n"); |
| 134 | |
| 135 | mutex_lock(&wm831x->io_lock); |
| 136 | WARN_ON(wm831x->locked); |
| 137 | wm831x->locked = 1; |
| 138 | mutex_unlock(&wm831x->io_lock); |
| 139 | } else { |
| 140 | dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret); |
| 141 | } |
| 142 | |
| 143 | } |
| 144 | EXPORT_SYMBOL_GPL(wm831x_reg_lock); |
| 145 | |
| 146 | /** |
| 147 | * wm831x_reg_unlock: Unlock user keyed registers |
| 148 | * |
| 149 | * The WM831x has a user key preventing writes to particularly |
| 150 | * critical registers. This function locks those registers, |
| 151 | * preventing spurious writes. |
| 152 | */ |
| 153 | int wm831x_reg_unlock(struct wm831x *wm831x) |
| 154 | { |
| 155 | int ret; |
| 156 | |
| 157 | /* 0x9716 is the value required to unlock the registers */ |
| 158 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716); |
| 159 | if (ret == 0) { |
| 160 | dev_vdbg(wm831x->dev, "Registers unlocked\n"); |
| 161 | |
| 162 | mutex_lock(&wm831x->io_lock); |
| 163 | WARN_ON(!wm831x->locked); |
| 164 | wm831x->locked = 0; |
| 165 | mutex_unlock(&wm831x->io_lock); |
| 166 | } |
| 167 | |
| 168 | return ret; |
| 169 | } |
| 170 | EXPORT_SYMBOL_GPL(wm831x_reg_unlock); |
| 171 | |
| 172 | static int wm831x_read(struct wm831x *wm831x, unsigned short reg, |
| 173 | int bytes, void *dest) |
| 174 | { |
| 175 | int ret, i; |
| 176 | u16 *buf = dest; |
| 177 | |
| 178 | BUG_ON(bytes % 2); |
| 179 | BUG_ON(bytes <= 0); |
| 180 | |
| 181 | ret = wm831x->read_dev(wm831x, reg, bytes, dest); |
| 182 | if (ret < 0) |
| 183 | return ret; |
| 184 | |
| 185 | for (i = 0; i < bytes / 2; i++) { |
| 186 | buf[i] = be16_to_cpu(buf[i]); |
| 187 | |
| 188 | dev_vdbg(wm831x->dev, "Read %04x from R%d(0x%x)\n", |
| 189 | buf[i], reg + i, reg + i); |
| 190 | } |
| 191 | |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * wm831x_reg_read: Read a single WM831x register. |
| 197 | * |
| 198 | * @wm831x: Device to read from. |
| 199 | * @reg: Register to read. |
| 200 | */ |
| 201 | int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg) |
| 202 | { |
| 203 | unsigned short val; |
| 204 | int ret; |
| 205 | |
| 206 | mutex_lock(&wm831x->io_lock); |
| 207 | |
| 208 | ret = wm831x_read(wm831x, reg, 2, &val); |
| 209 | |
| 210 | mutex_unlock(&wm831x->io_lock); |
| 211 | |
| 212 | if (ret < 0) |
| 213 | return ret; |
| 214 | else |
| 215 | return val; |
| 216 | } |
| 217 | EXPORT_SYMBOL_GPL(wm831x_reg_read); |
| 218 | |
| 219 | /** |
| 220 | * wm831x_bulk_read: Read multiple WM831x registers |
| 221 | * |
| 222 | * @wm831x: Device to read from |
| 223 | * @reg: First register |
| 224 | * @count: Number of registers |
| 225 | * @buf: Buffer to fill. |
| 226 | */ |
| 227 | int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, |
| 228 | int count, u16 *buf) |
| 229 | { |
| 230 | int ret; |
| 231 | |
| 232 | mutex_lock(&wm831x->io_lock); |
| 233 | |
| 234 | ret = wm831x_read(wm831x, reg, count * 2, buf); |
| 235 | |
| 236 | mutex_unlock(&wm831x->io_lock); |
| 237 | |
| 238 | return ret; |
| 239 | } |
| 240 | EXPORT_SYMBOL_GPL(wm831x_bulk_read); |
| 241 | |
| 242 | static int wm831x_write(struct wm831x *wm831x, unsigned short reg, |
| 243 | int bytes, void *src) |
| 244 | { |
| 245 | u16 *buf = src; |
| 246 | int i; |
| 247 | |
| 248 | BUG_ON(bytes % 2); |
| 249 | BUG_ON(bytes <= 0); |
| 250 | |
| 251 | for (i = 0; i < bytes / 2; i++) { |
| 252 | if (wm831x_reg_locked(wm831x, reg)) |
| 253 | return -EPERM; |
| 254 | |
| 255 | dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n", |
| 256 | buf[i], reg + i, reg + i); |
| 257 | |
| 258 | buf[i] = cpu_to_be16(buf[i]); |
| 259 | } |
| 260 | |
| 261 | return wm831x->write_dev(wm831x, reg, bytes, src); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * wm831x_reg_write: Write a single WM831x register. |
| 266 | * |
| 267 | * @wm831x: Device to write to. |
| 268 | * @reg: Register to write to. |
| 269 | * @val: Value to write. |
| 270 | */ |
| 271 | int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, |
| 272 | unsigned short val) |
| 273 | { |
| 274 | int ret; |
| 275 | |
| 276 | mutex_lock(&wm831x->io_lock); |
| 277 | |
| 278 | ret = wm831x_write(wm831x, reg, 2, &val); |
| 279 | |
| 280 | mutex_unlock(&wm831x->io_lock); |
| 281 | |
| 282 | return ret; |
| 283 | } |
| 284 | EXPORT_SYMBOL_GPL(wm831x_reg_write); |
| 285 | |
| 286 | /** |
| 287 | * wm831x_set_bits: Set the value of a bitfield in a WM831x register |
| 288 | * |
| 289 | * @wm831x: Device to write to. |
| 290 | * @reg: Register to write to. |
| 291 | * @mask: Mask of bits to set. |
| 292 | * @val: Value to set (unshifted) |
| 293 | */ |
| 294 | int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, |
| 295 | unsigned short mask, unsigned short val) |
| 296 | { |
| 297 | int ret; |
| 298 | u16 r; |
| 299 | |
| 300 | mutex_lock(&wm831x->io_lock); |
| 301 | |
| 302 | ret = wm831x_read(wm831x, reg, 2, &r); |
| 303 | if (ret < 0) |
| 304 | goto out; |
| 305 | |
| 306 | r &= ~mask; |
| 307 | r |= val; |
| 308 | |
| 309 | ret = wm831x_write(wm831x, reg, 2, &r); |
| 310 | |
| 311 | out: |
| 312 | mutex_unlock(&wm831x->io_lock); |
| 313 | |
| 314 | return ret; |
| 315 | } |
| 316 | EXPORT_SYMBOL_GPL(wm831x_set_bits); |
| 317 | |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 318 | /** |
| 319 | * wm831x_auxadc_read: Read a value from the WM831x AUXADC |
| 320 | * |
| 321 | * @wm831x: Device to read from. |
| 322 | * @input: AUXADC input to read. |
| 323 | */ |
| 324 | int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) |
| 325 | { |
Mark Brown | 7cc1392 | 2010-04-02 16:31:03 +0100 | [diff] [blame] | 326 | int ret, src, irq_masked, timeout; |
| 327 | |
| 328 | /* Are we using the interrupt? */ |
| 329 | irq_masked = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_1_MASK); |
| 330 | irq_masked &= WM831X_AUXADC_DATA_EINT; |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 331 | |
| 332 | mutex_lock(&wm831x->auxadc_lock); |
| 333 | |
| 334 | ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, |
| 335 | WM831X_AUX_ENA, WM831X_AUX_ENA); |
| 336 | if (ret < 0) { |
| 337 | dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret); |
| 338 | goto out; |
| 339 | } |
| 340 | |
| 341 | /* We force a single source at present */ |
| 342 | src = input; |
| 343 | ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE, |
| 344 | 1 << src); |
| 345 | if (ret < 0) { |
| 346 | dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret); |
| 347 | goto out; |
| 348 | } |
| 349 | |
Mark Brown | 7cc1392 | 2010-04-02 16:31:03 +0100 | [diff] [blame] | 350 | /* Clear any notification from a very late arriving interrupt */ |
| 351 | try_wait_for_completion(&wm831x->auxadc_done); |
| 352 | |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 353 | ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, |
| 354 | WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA); |
| 355 | if (ret < 0) { |
| 356 | dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret); |
| 357 | goto disable; |
| 358 | } |
| 359 | |
Mark Brown | 7cc1392 | 2010-04-02 16:31:03 +0100 | [diff] [blame] | 360 | if (irq_masked) { |
| 361 | /* If we're not using interrupts then poll the |
| 362 | * interrupt status register */ |
| 363 | timeout = 5; |
| 364 | while (timeout) { |
| 365 | msleep(1); |
Mark Brown | 5051d41 | 2010-04-02 13:08:39 +0100 | [diff] [blame] | 366 | |
Mark Brown | 7cc1392 | 2010-04-02 16:31:03 +0100 | [diff] [blame] | 367 | ret = wm831x_reg_read(wm831x, |
| 368 | WM831X_INTERRUPT_STATUS_1); |
| 369 | if (ret < 0) { |
| 370 | dev_err(wm831x->dev, |
| 371 | "ISR 1 read failed: %d\n", ret); |
| 372 | goto disable; |
| 373 | } |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 374 | |
Mark Brown | 7cc1392 | 2010-04-02 16:31:03 +0100 | [diff] [blame] | 375 | /* Did it complete? */ |
| 376 | if (ret & WM831X_AUXADC_DATA_EINT) { |
| 377 | wm831x_reg_write(wm831x, |
| 378 | WM831X_INTERRUPT_STATUS_1, |
| 379 | WM831X_AUXADC_DATA_EINT); |
| 380 | break; |
| 381 | } else { |
| 382 | dev_err(wm831x->dev, |
| 383 | "AUXADC conversion timeout\n"); |
| 384 | ret = -EBUSY; |
| 385 | goto disable; |
| 386 | } |
| 387 | } |
| 388 | } else { |
| 389 | /* If we are using interrupts then wait for the |
| 390 | * interrupt to complete. Use an extremely long |
| 391 | * timeout to handle situations with heavy load where |
| 392 | * the notification of the interrupt may be delayed by |
| 393 | * threaded IRQ handling. */ |
| 394 | if (!wait_for_completion_timeout(&wm831x->auxadc_done, |
| 395 | msecs_to_jiffies(500))) { |
| 396 | dev_err(wm831x->dev, "Timed out waiting for AUXADC\n"); |
| 397 | ret = -EBUSY; |
| 398 | goto disable; |
| 399 | } |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA); |
| 403 | if (ret < 0) { |
| 404 | dev_err(wm831x->dev, "Failed to read AUXADC data: %d\n", ret); |
| 405 | } else { |
| 406 | src = ((ret & WM831X_AUX_DATA_SRC_MASK) |
| 407 | >> WM831X_AUX_DATA_SRC_SHIFT) - 1; |
| 408 | |
| 409 | if (src == 14) |
| 410 | src = WM831X_AUX_CAL; |
| 411 | |
| 412 | if (src != input) { |
| 413 | dev_err(wm831x->dev, "Data from source %d not %d\n", |
| 414 | src, input); |
| 415 | ret = -EINVAL; |
| 416 | } else { |
| 417 | ret &= WM831X_AUX_DATA_MASK; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | disable: |
| 422 | wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0); |
| 423 | out: |
| 424 | mutex_unlock(&wm831x->auxadc_lock); |
| 425 | return ret; |
| 426 | } |
| 427 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read); |
| 428 | |
Mark Brown | 473fe73 | 2010-02-23 11:08:06 +0000 | [diff] [blame] | 429 | static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data) |
| 430 | { |
| 431 | struct wm831x *wm831x = irq_data; |
| 432 | |
| 433 | complete(&wm831x->auxadc_done); |
| 434 | |
| 435 | return IRQ_HANDLED; |
| 436 | } |
| 437 | |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 438 | /** |
| 439 | * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC |
| 440 | * |
| 441 | * @wm831x: Device to read from. |
| 442 | * @input: AUXADC input to read. |
| 443 | */ |
| 444 | int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input) |
| 445 | { |
| 446 | int ret; |
| 447 | |
| 448 | ret = wm831x_auxadc_read(wm831x, input); |
| 449 | if (ret < 0) |
| 450 | return ret; |
| 451 | |
| 452 | ret *= 1465; |
| 453 | |
| 454 | return ret; |
| 455 | } |
| 456 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv); |
| 457 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 458 | static struct resource wm831x_dcdc1_resources[] = { |
| 459 | { |
| 460 | .start = WM831X_DC1_CONTROL_1, |
| 461 | .end = WM831X_DC1_DVS_CONTROL, |
| 462 | .flags = IORESOURCE_IO, |
| 463 | }, |
| 464 | { |
| 465 | .name = "UV", |
| 466 | .start = WM831X_IRQ_UV_DC1, |
| 467 | .end = WM831X_IRQ_UV_DC1, |
| 468 | .flags = IORESOURCE_IRQ, |
| 469 | }, |
| 470 | { |
| 471 | .name = "HC", |
| 472 | .start = WM831X_IRQ_HC_DC1, |
| 473 | .end = WM831X_IRQ_HC_DC1, |
| 474 | .flags = IORESOURCE_IRQ, |
| 475 | }, |
| 476 | }; |
| 477 | |
| 478 | |
| 479 | static struct resource wm831x_dcdc2_resources[] = { |
| 480 | { |
| 481 | .start = WM831X_DC2_CONTROL_1, |
| 482 | .end = WM831X_DC2_DVS_CONTROL, |
| 483 | .flags = IORESOURCE_IO, |
| 484 | }, |
| 485 | { |
| 486 | .name = "UV", |
| 487 | .start = WM831X_IRQ_UV_DC2, |
| 488 | .end = WM831X_IRQ_UV_DC2, |
| 489 | .flags = IORESOURCE_IRQ, |
| 490 | }, |
| 491 | { |
| 492 | .name = "HC", |
| 493 | .start = WM831X_IRQ_HC_DC2, |
| 494 | .end = WM831X_IRQ_HC_DC2, |
| 495 | .flags = IORESOURCE_IRQ, |
| 496 | }, |
| 497 | }; |
| 498 | |
| 499 | static struct resource wm831x_dcdc3_resources[] = { |
| 500 | { |
| 501 | .start = WM831X_DC3_CONTROL_1, |
| 502 | .end = WM831X_DC3_SLEEP_CONTROL, |
| 503 | .flags = IORESOURCE_IO, |
| 504 | }, |
| 505 | { |
| 506 | .name = "UV", |
| 507 | .start = WM831X_IRQ_UV_DC3, |
| 508 | .end = WM831X_IRQ_UV_DC3, |
| 509 | .flags = IORESOURCE_IRQ, |
| 510 | }, |
| 511 | }; |
| 512 | |
| 513 | static struct resource wm831x_dcdc4_resources[] = { |
| 514 | { |
| 515 | .start = WM831X_DC4_CONTROL, |
| 516 | .end = WM831X_DC4_SLEEP_CONTROL, |
| 517 | .flags = IORESOURCE_IO, |
| 518 | }, |
| 519 | { |
| 520 | .name = "UV", |
| 521 | .start = WM831X_IRQ_UV_DC4, |
| 522 | .end = WM831X_IRQ_UV_DC4, |
| 523 | .flags = IORESOURCE_IRQ, |
| 524 | }, |
| 525 | }; |
| 526 | |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 527 | static struct resource wm8320_dcdc4_buck_resources[] = { |
| 528 | { |
| 529 | .start = WM831X_DC4_CONTROL, |
| 530 | .end = WM832X_DC4_SLEEP_CONTROL, |
| 531 | .flags = IORESOURCE_IO, |
| 532 | }, |
| 533 | { |
| 534 | .name = "UV", |
| 535 | .start = WM831X_IRQ_UV_DC4, |
| 536 | .end = WM831X_IRQ_UV_DC4, |
| 537 | .flags = IORESOURCE_IRQ, |
| 538 | }, |
| 539 | }; |
| 540 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 541 | static struct resource wm831x_gpio_resources[] = { |
| 542 | { |
| 543 | .start = WM831X_IRQ_GPIO_1, |
| 544 | .end = WM831X_IRQ_GPIO_16, |
| 545 | .flags = IORESOURCE_IRQ, |
| 546 | }, |
| 547 | }; |
| 548 | |
| 549 | static struct resource wm831x_isink1_resources[] = { |
| 550 | { |
| 551 | .start = WM831X_CURRENT_SINK_1, |
| 552 | .end = WM831X_CURRENT_SINK_1, |
| 553 | .flags = IORESOURCE_IO, |
| 554 | }, |
| 555 | { |
| 556 | .start = WM831X_IRQ_CS1, |
| 557 | .end = WM831X_IRQ_CS1, |
| 558 | .flags = IORESOURCE_IRQ, |
| 559 | }, |
| 560 | }; |
| 561 | |
| 562 | static struct resource wm831x_isink2_resources[] = { |
| 563 | { |
| 564 | .start = WM831X_CURRENT_SINK_2, |
| 565 | .end = WM831X_CURRENT_SINK_2, |
| 566 | .flags = IORESOURCE_IO, |
| 567 | }, |
| 568 | { |
| 569 | .start = WM831X_IRQ_CS2, |
| 570 | .end = WM831X_IRQ_CS2, |
| 571 | .flags = IORESOURCE_IRQ, |
| 572 | }, |
| 573 | }; |
| 574 | |
| 575 | static struct resource wm831x_ldo1_resources[] = { |
| 576 | { |
| 577 | .start = WM831X_LDO1_CONTROL, |
| 578 | .end = WM831X_LDO1_SLEEP_CONTROL, |
| 579 | .flags = IORESOURCE_IO, |
| 580 | }, |
| 581 | { |
| 582 | .name = "UV", |
| 583 | .start = WM831X_IRQ_UV_LDO1, |
| 584 | .end = WM831X_IRQ_UV_LDO1, |
| 585 | .flags = IORESOURCE_IRQ, |
| 586 | }, |
| 587 | }; |
| 588 | |
| 589 | static struct resource wm831x_ldo2_resources[] = { |
| 590 | { |
| 591 | .start = WM831X_LDO2_CONTROL, |
| 592 | .end = WM831X_LDO2_SLEEP_CONTROL, |
| 593 | .flags = IORESOURCE_IO, |
| 594 | }, |
| 595 | { |
| 596 | .name = "UV", |
| 597 | .start = WM831X_IRQ_UV_LDO2, |
| 598 | .end = WM831X_IRQ_UV_LDO2, |
| 599 | .flags = IORESOURCE_IRQ, |
| 600 | }, |
| 601 | }; |
| 602 | |
| 603 | static struct resource wm831x_ldo3_resources[] = { |
| 604 | { |
| 605 | .start = WM831X_LDO3_CONTROL, |
| 606 | .end = WM831X_LDO3_SLEEP_CONTROL, |
| 607 | .flags = IORESOURCE_IO, |
| 608 | }, |
| 609 | { |
| 610 | .name = "UV", |
| 611 | .start = WM831X_IRQ_UV_LDO3, |
| 612 | .end = WM831X_IRQ_UV_LDO3, |
| 613 | .flags = IORESOURCE_IRQ, |
| 614 | }, |
| 615 | }; |
| 616 | |
| 617 | static struct resource wm831x_ldo4_resources[] = { |
| 618 | { |
| 619 | .start = WM831X_LDO4_CONTROL, |
| 620 | .end = WM831X_LDO4_SLEEP_CONTROL, |
| 621 | .flags = IORESOURCE_IO, |
| 622 | }, |
| 623 | { |
| 624 | .name = "UV", |
| 625 | .start = WM831X_IRQ_UV_LDO4, |
| 626 | .end = WM831X_IRQ_UV_LDO4, |
| 627 | .flags = IORESOURCE_IRQ, |
| 628 | }, |
| 629 | }; |
| 630 | |
| 631 | static struct resource wm831x_ldo5_resources[] = { |
| 632 | { |
| 633 | .start = WM831X_LDO5_CONTROL, |
| 634 | .end = WM831X_LDO5_SLEEP_CONTROL, |
| 635 | .flags = IORESOURCE_IO, |
| 636 | }, |
| 637 | { |
| 638 | .name = "UV", |
| 639 | .start = WM831X_IRQ_UV_LDO5, |
| 640 | .end = WM831X_IRQ_UV_LDO5, |
| 641 | .flags = IORESOURCE_IRQ, |
| 642 | }, |
| 643 | }; |
| 644 | |
| 645 | static struct resource wm831x_ldo6_resources[] = { |
| 646 | { |
| 647 | .start = WM831X_LDO6_CONTROL, |
| 648 | .end = WM831X_LDO6_SLEEP_CONTROL, |
| 649 | .flags = IORESOURCE_IO, |
| 650 | }, |
| 651 | { |
| 652 | .name = "UV", |
| 653 | .start = WM831X_IRQ_UV_LDO6, |
| 654 | .end = WM831X_IRQ_UV_LDO6, |
| 655 | .flags = IORESOURCE_IRQ, |
| 656 | }, |
| 657 | }; |
| 658 | |
| 659 | static struct resource wm831x_ldo7_resources[] = { |
| 660 | { |
| 661 | .start = WM831X_LDO7_CONTROL, |
| 662 | .end = WM831X_LDO7_SLEEP_CONTROL, |
| 663 | .flags = IORESOURCE_IO, |
| 664 | }, |
| 665 | { |
| 666 | .name = "UV", |
| 667 | .start = WM831X_IRQ_UV_LDO7, |
| 668 | .end = WM831X_IRQ_UV_LDO7, |
| 669 | .flags = IORESOURCE_IRQ, |
| 670 | }, |
| 671 | }; |
| 672 | |
| 673 | static struct resource wm831x_ldo8_resources[] = { |
| 674 | { |
| 675 | .start = WM831X_LDO8_CONTROL, |
| 676 | .end = WM831X_LDO8_SLEEP_CONTROL, |
| 677 | .flags = IORESOURCE_IO, |
| 678 | }, |
| 679 | { |
| 680 | .name = "UV", |
| 681 | .start = WM831X_IRQ_UV_LDO8, |
| 682 | .end = WM831X_IRQ_UV_LDO8, |
| 683 | .flags = IORESOURCE_IRQ, |
| 684 | }, |
| 685 | }; |
| 686 | |
| 687 | static struct resource wm831x_ldo9_resources[] = { |
| 688 | { |
| 689 | .start = WM831X_LDO9_CONTROL, |
| 690 | .end = WM831X_LDO9_SLEEP_CONTROL, |
| 691 | .flags = IORESOURCE_IO, |
| 692 | }, |
| 693 | { |
| 694 | .name = "UV", |
| 695 | .start = WM831X_IRQ_UV_LDO9, |
| 696 | .end = WM831X_IRQ_UV_LDO9, |
| 697 | .flags = IORESOURCE_IRQ, |
| 698 | }, |
| 699 | }; |
| 700 | |
| 701 | static struct resource wm831x_ldo10_resources[] = { |
| 702 | { |
| 703 | .start = WM831X_LDO10_CONTROL, |
| 704 | .end = WM831X_LDO10_SLEEP_CONTROL, |
| 705 | .flags = IORESOURCE_IO, |
| 706 | }, |
| 707 | { |
| 708 | .name = "UV", |
| 709 | .start = WM831X_IRQ_UV_LDO10, |
| 710 | .end = WM831X_IRQ_UV_LDO10, |
| 711 | .flags = IORESOURCE_IRQ, |
| 712 | }, |
| 713 | }; |
| 714 | |
| 715 | static struct resource wm831x_ldo11_resources[] = { |
| 716 | { |
| 717 | .start = WM831X_LDO11_ON_CONTROL, |
| 718 | .end = WM831X_LDO11_SLEEP_CONTROL, |
| 719 | .flags = IORESOURCE_IO, |
| 720 | }, |
| 721 | }; |
| 722 | |
| 723 | static struct resource wm831x_on_resources[] = { |
| 724 | { |
| 725 | .start = WM831X_IRQ_ON, |
| 726 | .end = WM831X_IRQ_ON, |
| 727 | .flags = IORESOURCE_IRQ, |
| 728 | }, |
| 729 | }; |
| 730 | |
| 731 | |
| 732 | static struct resource wm831x_power_resources[] = { |
| 733 | { |
| 734 | .name = "SYSLO", |
| 735 | .start = WM831X_IRQ_PPM_SYSLO, |
| 736 | .end = WM831X_IRQ_PPM_SYSLO, |
| 737 | .flags = IORESOURCE_IRQ, |
| 738 | }, |
| 739 | { |
| 740 | .name = "PWR SRC", |
| 741 | .start = WM831X_IRQ_PPM_PWR_SRC, |
| 742 | .end = WM831X_IRQ_PPM_PWR_SRC, |
| 743 | .flags = IORESOURCE_IRQ, |
| 744 | }, |
| 745 | { |
| 746 | .name = "USB CURR", |
| 747 | .start = WM831X_IRQ_PPM_USB_CURR, |
| 748 | .end = WM831X_IRQ_PPM_USB_CURR, |
| 749 | .flags = IORESOURCE_IRQ, |
| 750 | }, |
| 751 | { |
| 752 | .name = "BATT HOT", |
| 753 | .start = WM831X_IRQ_CHG_BATT_HOT, |
| 754 | .end = WM831X_IRQ_CHG_BATT_HOT, |
| 755 | .flags = IORESOURCE_IRQ, |
| 756 | }, |
| 757 | { |
| 758 | .name = "BATT COLD", |
| 759 | .start = WM831X_IRQ_CHG_BATT_COLD, |
| 760 | .end = WM831X_IRQ_CHG_BATT_COLD, |
| 761 | .flags = IORESOURCE_IRQ, |
| 762 | }, |
| 763 | { |
| 764 | .name = "BATT FAIL", |
| 765 | .start = WM831X_IRQ_CHG_BATT_FAIL, |
| 766 | .end = WM831X_IRQ_CHG_BATT_FAIL, |
| 767 | .flags = IORESOURCE_IRQ, |
| 768 | }, |
| 769 | { |
| 770 | .name = "OV", |
| 771 | .start = WM831X_IRQ_CHG_OV, |
| 772 | .end = WM831X_IRQ_CHG_OV, |
| 773 | .flags = IORESOURCE_IRQ, |
| 774 | }, |
| 775 | { |
| 776 | .name = "END", |
| 777 | .start = WM831X_IRQ_CHG_END, |
| 778 | .end = WM831X_IRQ_CHG_END, |
| 779 | .flags = IORESOURCE_IRQ, |
| 780 | }, |
| 781 | { |
| 782 | .name = "TO", |
| 783 | .start = WM831X_IRQ_CHG_TO, |
| 784 | .end = WM831X_IRQ_CHG_TO, |
| 785 | .flags = IORESOURCE_IRQ, |
| 786 | }, |
| 787 | { |
| 788 | .name = "MODE", |
| 789 | .start = WM831X_IRQ_CHG_MODE, |
| 790 | .end = WM831X_IRQ_CHG_MODE, |
| 791 | .flags = IORESOURCE_IRQ, |
| 792 | }, |
| 793 | { |
| 794 | .name = "START", |
| 795 | .start = WM831X_IRQ_CHG_START, |
| 796 | .end = WM831X_IRQ_CHG_START, |
| 797 | .flags = IORESOURCE_IRQ, |
| 798 | }, |
| 799 | }; |
| 800 | |
| 801 | static struct resource wm831x_rtc_resources[] = { |
| 802 | { |
| 803 | .name = "PER", |
| 804 | .start = WM831X_IRQ_RTC_PER, |
| 805 | .end = WM831X_IRQ_RTC_PER, |
| 806 | .flags = IORESOURCE_IRQ, |
| 807 | }, |
| 808 | { |
| 809 | .name = "ALM", |
| 810 | .start = WM831X_IRQ_RTC_ALM, |
| 811 | .end = WM831X_IRQ_RTC_ALM, |
| 812 | .flags = IORESOURCE_IRQ, |
| 813 | }, |
| 814 | }; |
| 815 | |
| 816 | static struct resource wm831x_status1_resources[] = { |
| 817 | { |
| 818 | .start = WM831X_STATUS_LED_1, |
| 819 | .end = WM831X_STATUS_LED_1, |
| 820 | .flags = IORESOURCE_IO, |
| 821 | }, |
| 822 | }; |
| 823 | |
| 824 | static struct resource wm831x_status2_resources[] = { |
| 825 | { |
| 826 | .start = WM831X_STATUS_LED_2, |
| 827 | .end = WM831X_STATUS_LED_2, |
| 828 | .flags = IORESOURCE_IO, |
| 829 | }, |
| 830 | }; |
| 831 | |
| 832 | static struct resource wm831x_touch_resources[] = { |
| 833 | { |
| 834 | .name = "TCHPD", |
| 835 | .start = WM831X_IRQ_TCHPD, |
| 836 | .end = WM831X_IRQ_TCHPD, |
| 837 | .flags = IORESOURCE_IRQ, |
| 838 | }, |
| 839 | { |
| 840 | .name = "TCHDATA", |
| 841 | .start = WM831X_IRQ_TCHDATA, |
| 842 | .end = WM831X_IRQ_TCHDATA, |
| 843 | .flags = IORESOURCE_IRQ, |
| 844 | }, |
| 845 | }; |
| 846 | |
| 847 | static struct resource wm831x_wdt_resources[] = { |
| 848 | { |
| 849 | .start = WM831X_IRQ_WDOG_TO, |
| 850 | .end = WM831X_IRQ_WDOG_TO, |
| 851 | .flags = IORESOURCE_IRQ, |
| 852 | }, |
| 853 | }; |
| 854 | |
| 855 | static struct mfd_cell wm8310_devs[] = { |
| 856 | { |
Mark Brown | c26964e | 2009-10-01 15:41:06 +0100 | [diff] [blame] | 857 | .name = "wm831x-backup", |
| 858 | }, |
| 859 | { |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 860 | .name = "wm831x-buckv", |
| 861 | .id = 1, |
| 862 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| 863 | .resources = wm831x_dcdc1_resources, |
| 864 | }, |
| 865 | { |
| 866 | .name = "wm831x-buckv", |
| 867 | .id = 2, |
| 868 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| 869 | .resources = wm831x_dcdc2_resources, |
| 870 | }, |
| 871 | { |
| 872 | .name = "wm831x-buckp", |
| 873 | .id = 3, |
| 874 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| 875 | .resources = wm831x_dcdc3_resources, |
| 876 | }, |
| 877 | { |
| 878 | .name = "wm831x-boostp", |
| 879 | .id = 4, |
| 880 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| 881 | .resources = wm831x_dcdc4_resources, |
| 882 | }, |
| 883 | { |
| 884 | .name = "wm831x-epe", |
| 885 | .id = 1, |
| 886 | }, |
| 887 | { |
| 888 | .name = "wm831x-epe", |
| 889 | .id = 2, |
| 890 | }, |
| 891 | { |
| 892 | .name = "wm831x-gpio", |
| 893 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| 894 | .resources = wm831x_gpio_resources, |
| 895 | }, |
| 896 | { |
| 897 | .name = "wm831x-hwmon", |
| 898 | }, |
| 899 | { |
| 900 | .name = "wm831x-isink", |
| 901 | .id = 1, |
| 902 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| 903 | .resources = wm831x_isink1_resources, |
| 904 | }, |
| 905 | { |
| 906 | .name = "wm831x-isink", |
| 907 | .id = 2, |
| 908 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| 909 | .resources = wm831x_isink2_resources, |
| 910 | }, |
| 911 | { |
| 912 | .name = "wm831x-ldo", |
| 913 | .id = 1, |
| 914 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| 915 | .resources = wm831x_ldo1_resources, |
| 916 | }, |
| 917 | { |
| 918 | .name = "wm831x-ldo", |
| 919 | .id = 2, |
| 920 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| 921 | .resources = wm831x_ldo2_resources, |
| 922 | }, |
| 923 | { |
| 924 | .name = "wm831x-ldo", |
| 925 | .id = 3, |
| 926 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| 927 | .resources = wm831x_ldo3_resources, |
| 928 | }, |
| 929 | { |
| 930 | .name = "wm831x-ldo", |
| 931 | .id = 4, |
| 932 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| 933 | .resources = wm831x_ldo4_resources, |
| 934 | }, |
| 935 | { |
| 936 | .name = "wm831x-ldo", |
| 937 | .id = 5, |
| 938 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| 939 | .resources = wm831x_ldo5_resources, |
| 940 | }, |
| 941 | { |
| 942 | .name = "wm831x-ldo", |
| 943 | .id = 6, |
| 944 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| 945 | .resources = wm831x_ldo6_resources, |
| 946 | }, |
| 947 | { |
| 948 | .name = "wm831x-aldo", |
| 949 | .id = 7, |
| 950 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| 951 | .resources = wm831x_ldo7_resources, |
| 952 | }, |
| 953 | { |
| 954 | .name = "wm831x-aldo", |
| 955 | .id = 8, |
| 956 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| 957 | .resources = wm831x_ldo8_resources, |
| 958 | }, |
| 959 | { |
| 960 | .name = "wm831x-aldo", |
| 961 | .id = 9, |
| 962 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| 963 | .resources = wm831x_ldo9_resources, |
| 964 | }, |
| 965 | { |
| 966 | .name = "wm831x-aldo", |
| 967 | .id = 10, |
| 968 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| 969 | .resources = wm831x_ldo10_resources, |
| 970 | }, |
| 971 | { |
| 972 | .name = "wm831x-alive-ldo", |
| 973 | .id = 11, |
| 974 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| 975 | .resources = wm831x_ldo11_resources, |
| 976 | }, |
| 977 | { |
| 978 | .name = "wm831x-on", |
| 979 | .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| 980 | .resources = wm831x_on_resources, |
| 981 | }, |
| 982 | { |
| 983 | .name = "wm831x-power", |
| 984 | .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| 985 | .resources = wm831x_power_resources, |
| 986 | }, |
| 987 | { |
| 988 | .name = "wm831x-rtc", |
| 989 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), |
| 990 | .resources = wm831x_rtc_resources, |
| 991 | }, |
| 992 | { |
| 993 | .name = "wm831x-status", |
| 994 | .id = 1, |
| 995 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| 996 | .resources = wm831x_status1_resources, |
| 997 | }, |
| 998 | { |
| 999 | .name = "wm831x-status", |
| 1000 | .id = 2, |
| 1001 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| 1002 | .resources = wm831x_status2_resources, |
| 1003 | }, |
| 1004 | { |
| 1005 | .name = "wm831x-watchdog", |
| 1006 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| 1007 | .resources = wm831x_wdt_resources, |
| 1008 | }, |
| 1009 | }; |
| 1010 | |
| 1011 | static struct mfd_cell wm8311_devs[] = { |
| 1012 | { |
Mark Brown | c26964e | 2009-10-01 15:41:06 +0100 | [diff] [blame] | 1013 | .name = "wm831x-backup", |
| 1014 | }, |
| 1015 | { |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1016 | .name = "wm831x-buckv", |
| 1017 | .id = 1, |
| 1018 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| 1019 | .resources = wm831x_dcdc1_resources, |
| 1020 | }, |
| 1021 | { |
| 1022 | .name = "wm831x-buckv", |
| 1023 | .id = 2, |
| 1024 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| 1025 | .resources = wm831x_dcdc2_resources, |
| 1026 | }, |
| 1027 | { |
| 1028 | .name = "wm831x-buckp", |
| 1029 | .id = 3, |
| 1030 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| 1031 | .resources = wm831x_dcdc3_resources, |
| 1032 | }, |
| 1033 | { |
| 1034 | .name = "wm831x-boostp", |
| 1035 | .id = 4, |
| 1036 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| 1037 | .resources = wm831x_dcdc4_resources, |
| 1038 | }, |
| 1039 | { |
| 1040 | .name = "wm831x-epe", |
| 1041 | .id = 1, |
| 1042 | }, |
| 1043 | { |
| 1044 | .name = "wm831x-epe", |
| 1045 | .id = 2, |
| 1046 | }, |
| 1047 | { |
| 1048 | .name = "wm831x-gpio", |
| 1049 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| 1050 | .resources = wm831x_gpio_resources, |
| 1051 | }, |
| 1052 | { |
| 1053 | .name = "wm831x-hwmon", |
| 1054 | }, |
| 1055 | { |
| 1056 | .name = "wm831x-isink", |
| 1057 | .id = 1, |
| 1058 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| 1059 | .resources = wm831x_isink1_resources, |
| 1060 | }, |
| 1061 | { |
| 1062 | .name = "wm831x-isink", |
| 1063 | .id = 2, |
| 1064 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| 1065 | .resources = wm831x_isink2_resources, |
| 1066 | }, |
| 1067 | { |
| 1068 | .name = "wm831x-ldo", |
| 1069 | .id = 1, |
| 1070 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| 1071 | .resources = wm831x_ldo1_resources, |
| 1072 | }, |
| 1073 | { |
| 1074 | .name = "wm831x-ldo", |
| 1075 | .id = 2, |
| 1076 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| 1077 | .resources = wm831x_ldo2_resources, |
| 1078 | }, |
| 1079 | { |
| 1080 | .name = "wm831x-ldo", |
| 1081 | .id = 3, |
| 1082 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| 1083 | .resources = wm831x_ldo3_resources, |
| 1084 | }, |
| 1085 | { |
| 1086 | .name = "wm831x-ldo", |
| 1087 | .id = 4, |
| 1088 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| 1089 | .resources = wm831x_ldo4_resources, |
| 1090 | }, |
| 1091 | { |
| 1092 | .name = "wm831x-ldo", |
| 1093 | .id = 5, |
| 1094 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| 1095 | .resources = wm831x_ldo5_resources, |
| 1096 | }, |
| 1097 | { |
| 1098 | .name = "wm831x-aldo", |
| 1099 | .id = 7, |
| 1100 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| 1101 | .resources = wm831x_ldo7_resources, |
| 1102 | }, |
| 1103 | { |
| 1104 | .name = "wm831x-alive-ldo", |
| 1105 | .id = 11, |
| 1106 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| 1107 | .resources = wm831x_ldo11_resources, |
| 1108 | }, |
| 1109 | { |
| 1110 | .name = "wm831x-on", |
| 1111 | .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| 1112 | .resources = wm831x_on_resources, |
| 1113 | }, |
| 1114 | { |
| 1115 | .name = "wm831x-power", |
| 1116 | .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| 1117 | .resources = wm831x_power_resources, |
| 1118 | }, |
| 1119 | { |
| 1120 | .name = "wm831x-rtc", |
| 1121 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), |
| 1122 | .resources = wm831x_rtc_resources, |
| 1123 | }, |
| 1124 | { |
| 1125 | .name = "wm831x-status", |
| 1126 | .id = 1, |
| 1127 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| 1128 | .resources = wm831x_status1_resources, |
| 1129 | }, |
| 1130 | { |
| 1131 | .name = "wm831x-status", |
| 1132 | .id = 2, |
| 1133 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| 1134 | .resources = wm831x_status2_resources, |
| 1135 | }, |
| 1136 | { |
| 1137 | .name = "wm831x-touch", |
| 1138 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), |
| 1139 | .resources = wm831x_touch_resources, |
| 1140 | }, |
| 1141 | { |
| 1142 | .name = "wm831x-watchdog", |
| 1143 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| 1144 | .resources = wm831x_wdt_resources, |
| 1145 | }, |
| 1146 | }; |
| 1147 | |
| 1148 | static struct mfd_cell wm8312_devs[] = { |
| 1149 | { |
Mark Brown | c26964e | 2009-10-01 15:41:06 +0100 | [diff] [blame] | 1150 | .name = "wm831x-backup", |
| 1151 | }, |
| 1152 | { |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1153 | .name = "wm831x-buckv", |
| 1154 | .id = 1, |
| 1155 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| 1156 | .resources = wm831x_dcdc1_resources, |
| 1157 | }, |
| 1158 | { |
| 1159 | .name = "wm831x-buckv", |
| 1160 | .id = 2, |
| 1161 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| 1162 | .resources = wm831x_dcdc2_resources, |
| 1163 | }, |
| 1164 | { |
| 1165 | .name = "wm831x-buckp", |
| 1166 | .id = 3, |
| 1167 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| 1168 | .resources = wm831x_dcdc3_resources, |
| 1169 | }, |
| 1170 | { |
| 1171 | .name = "wm831x-boostp", |
| 1172 | .id = 4, |
| 1173 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| 1174 | .resources = wm831x_dcdc4_resources, |
| 1175 | }, |
| 1176 | { |
| 1177 | .name = "wm831x-epe", |
| 1178 | .id = 1, |
| 1179 | }, |
| 1180 | { |
| 1181 | .name = "wm831x-epe", |
| 1182 | .id = 2, |
| 1183 | }, |
| 1184 | { |
| 1185 | .name = "wm831x-gpio", |
| 1186 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| 1187 | .resources = wm831x_gpio_resources, |
| 1188 | }, |
| 1189 | { |
| 1190 | .name = "wm831x-hwmon", |
| 1191 | }, |
| 1192 | { |
| 1193 | .name = "wm831x-isink", |
| 1194 | .id = 1, |
| 1195 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| 1196 | .resources = wm831x_isink1_resources, |
| 1197 | }, |
| 1198 | { |
| 1199 | .name = "wm831x-isink", |
| 1200 | .id = 2, |
| 1201 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| 1202 | .resources = wm831x_isink2_resources, |
| 1203 | }, |
| 1204 | { |
| 1205 | .name = "wm831x-ldo", |
| 1206 | .id = 1, |
| 1207 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| 1208 | .resources = wm831x_ldo1_resources, |
| 1209 | }, |
| 1210 | { |
| 1211 | .name = "wm831x-ldo", |
| 1212 | .id = 2, |
| 1213 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| 1214 | .resources = wm831x_ldo2_resources, |
| 1215 | }, |
| 1216 | { |
| 1217 | .name = "wm831x-ldo", |
| 1218 | .id = 3, |
| 1219 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| 1220 | .resources = wm831x_ldo3_resources, |
| 1221 | }, |
| 1222 | { |
| 1223 | .name = "wm831x-ldo", |
| 1224 | .id = 4, |
| 1225 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| 1226 | .resources = wm831x_ldo4_resources, |
| 1227 | }, |
| 1228 | { |
| 1229 | .name = "wm831x-ldo", |
| 1230 | .id = 5, |
| 1231 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| 1232 | .resources = wm831x_ldo5_resources, |
| 1233 | }, |
| 1234 | { |
| 1235 | .name = "wm831x-ldo", |
| 1236 | .id = 6, |
| 1237 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| 1238 | .resources = wm831x_ldo6_resources, |
| 1239 | }, |
| 1240 | { |
| 1241 | .name = "wm831x-aldo", |
| 1242 | .id = 7, |
| 1243 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| 1244 | .resources = wm831x_ldo7_resources, |
| 1245 | }, |
| 1246 | { |
| 1247 | .name = "wm831x-aldo", |
| 1248 | .id = 8, |
| 1249 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| 1250 | .resources = wm831x_ldo8_resources, |
| 1251 | }, |
| 1252 | { |
| 1253 | .name = "wm831x-aldo", |
| 1254 | .id = 9, |
| 1255 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| 1256 | .resources = wm831x_ldo9_resources, |
| 1257 | }, |
| 1258 | { |
| 1259 | .name = "wm831x-aldo", |
| 1260 | .id = 10, |
| 1261 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| 1262 | .resources = wm831x_ldo10_resources, |
| 1263 | }, |
| 1264 | { |
| 1265 | .name = "wm831x-alive-ldo", |
| 1266 | .id = 11, |
| 1267 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| 1268 | .resources = wm831x_ldo11_resources, |
| 1269 | }, |
| 1270 | { |
| 1271 | .name = "wm831x-on", |
| 1272 | .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| 1273 | .resources = wm831x_on_resources, |
| 1274 | }, |
| 1275 | { |
| 1276 | .name = "wm831x-power", |
| 1277 | .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| 1278 | .resources = wm831x_power_resources, |
| 1279 | }, |
| 1280 | { |
| 1281 | .name = "wm831x-rtc", |
| 1282 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), |
| 1283 | .resources = wm831x_rtc_resources, |
| 1284 | }, |
| 1285 | { |
| 1286 | .name = "wm831x-status", |
| 1287 | .id = 1, |
| 1288 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| 1289 | .resources = wm831x_status1_resources, |
| 1290 | }, |
| 1291 | { |
| 1292 | .name = "wm831x-status", |
| 1293 | .id = 2, |
| 1294 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| 1295 | .resources = wm831x_status2_resources, |
| 1296 | }, |
| 1297 | { |
| 1298 | .name = "wm831x-touch", |
| 1299 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), |
| 1300 | .resources = wm831x_touch_resources, |
| 1301 | }, |
| 1302 | { |
| 1303 | .name = "wm831x-watchdog", |
| 1304 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| 1305 | .resources = wm831x_wdt_resources, |
| 1306 | }, |
| 1307 | }; |
| 1308 | |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 1309 | static struct mfd_cell wm8320_devs[] = { |
| 1310 | { |
| 1311 | .name = "wm831x-backup", |
| 1312 | }, |
| 1313 | { |
| 1314 | .name = "wm831x-buckv", |
| 1315 | .id = 1, |
| 1316 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| 1317 | .resources = wm831x_dcdc1_resources, |
| 1318 | }, |
| 1319 | { |
| 1320 | .name = "wm831x-buckv", |
| 1321 | .id = 2, |
| 1322 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| 1323 | .resources = wm831x_dcdc2_resources, |
| 1324 | }, |
| 1325 | { |
| 1326 | .name = "wm831x-buckp", |
| 1327 | .id = 3, |
| 1328 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| 1329 | .resources = wm831x_dcdc3_resources, |
| 1330 | }, |
| 1331 | { |
| 1332 | .name = "wm831x-buckp", |
| 1333 | .id = 4, |
| 1334 | .num_resources = ARRAY_SIZE(wm8320_dcdc4_buck_resources), |
| 1335 | .resources = wm8320_dcdc4_buck_resources, |
| 1336 | }, |
| 1337 | { |
| 1338 | .name = "wm831x-gpio", |
| 1339 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| 1340 | .resources = wm831x_gpio_resources, |
| 1341 | }, |
| 1342 | { |
| 1343 | .name = "wm831x-hwmon", |
| 1344 | }, |
| 1345 | { |
| 1346 | .name = "wm831x-ldo", |
| 1347 | .id = 1, |
| 1348 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| 1349 | .resources = wm831x_ldo1_resources, |
| 1350 | }, |
| 1351 | { |
| 1352 | .name = "wm831x-ldo", |
| 1353 | .id = 2, |
| 1354 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| 1355 | .resources = wm831x_ldo2_resources, |
| 1356 | }, |
| 1357 | { |
| 1358 | .name = "wm831x-ldo", |
| 1359 | .id = 3, |
| 1360 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| 1361 | .resources = wm831x_ldo3_resources, |
| 1362 | }, |
| 1363 | { |
| 1364 | .name = "wm831x-ldo", |
| 1365 | .id = 4, |
| 1366 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| 1367 | .resources = wm831x_ldo4_resources, |
| 1368 | }, |
| 1369 | { |
| 1370 | .name = "wm831x-ldo", |
| 1371 | .id = 5, |
| 1372 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| 1373 | .resources = wm831x_ldo5_resources, |
| 1374 | }, |
| 1375 | { |
| 1376 | .name = "wm831x-ldo", |
| 1377 | .id = 6, |
| 1378 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| 1379 | .resources = wm831x_ldo6_resources, |
| 1380 | }, |
| 1381 | { |
| 1382 | .name = "wm831x-aldo", |
| 1383 | .id = 7, |
| 1384 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| 1385 | .resources = wm831x_ldo7_resources, |
| 1386 | }, |
| 1387 | { |
| 1388 | .name = "wm831x-aldo", |
| 1389 | .id = 8, |
| 1390 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| 1391 | .resources = wm831x_ldo8_resources, |
| 1392 | }, |
| 1393 | { |
| 1394 | .name = "wm831x-aldo", |
| 1395 | .id = 9, |
| 1396 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| 1397 | .resources = wm831x_ldo9_resources, |
| 1398 | }, |
| 1399 | { |
| 1400 | .name = "wm831x-aldo", |
| 1401 | .id = 10, |
| 1402 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| 1403 | .resources = wm831x_ldo10_resources, |
| 1404 | }, |
| 1405 | { |
| 1406 | .name = "wm831x-alive-ldo", |
| 1407 | .id = 11, |
| 1408 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| 1409 | .resources = wm831x_ldo11_resources, |
| 1410 | }, |
| 1411 | { |
| 1412 | .name = "wm831x-on", |
| 1413 | .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| 1414 | .resources = wm831x_on_resources, |
| 1415 | }, |
| 1416 | { |
| 1417 | .name = "wm831x-rtc", |
| 1418 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), |
| 1419 | .resources = wm831x_rtc_resources, |
| 1420 | }, |
| 1421 | { |
| 1422 | .name = "wm831x-status", |
| 1423 | .id = 1, |
| 1424 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| 1425 | .resources = wm831x_status1_resources, |
| 1426 | }, |
| 1427 | { |
| 1428 | .name = "wm831x-status", |
| 1429 | .id = 2, |
| 1430 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| 1431 | .resources = wm831x_status2_resources, |
| 1432 | }, |
| 1433 | { |
| 1434 | .name = "wm831x-watchdog", |
| 1435 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| 1436 | .resources = wm831x_wdt_resources, |
| 1437 | }, |
| 1438 | }; |
| 1439 | |
Mark Brown | 63aed85 | 2009-07-27 14:45:55 +0100 | [diff] [blame] | 1440 | static struct mfd_cell backlight_devs[] = { |
| 1441 | { |
| 1442 | .name = "wm831x-backlight", |
| 1443 | }, |
| 1444 | }; |
| 1445 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1446 | /* |
| 1447 | * Instantiate the generic non-control parts of the device. |
| 1448 | */ |
| 1449 | static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) |
| 1450 | { |
| 1451 | struct wm831x_pdata *pdata = wm831x->dev->platform_data; |
| 1452 | int rev; |
| 1453 | enum wm831x_parent parent; |
| 1454 | int ret; |
| 1455 | |
| 1456 | mutex_init(&wm831x->io_lock); |
| 1457 | mutex_init(&wm831x->key_lock); |
Mark Brown | 7e9f9fd | 2009-07-27 14:45:54 +0100 | [diff] [blame] | 1458 | mutex_init(&wm831x->auxadc_lock); |
Mark Brown | 473fe73 | 2010-02-23 11:08:06 +0000 | [diff] [blame] | 1459 | init_completion(&wm831x->auxadc_done); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1460 | dev_set_drvdata(wm831x->dev, wm831x); |
| 1461 | |
| 1462 | ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID); |
| 1463 | if (ret < 0) { |
| 1464 | dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret); |
| 1465 | goto err; |
| 1466 | } |
| 1467 | if (ret != 0x6204) { |
| 1468 | dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret); |
| 1469 | ret = -EINVAL; |
| 1470 | goto err; |
| 1471 | } |
| 1472 | |
| 1473 | ret = wm831x_reg_read(wm831x, WM831X_REVISION); |
| 1474 | if (ret < 0) { |
| 1475 | dev_err(wm831x->dev, "Failed to read revision: %d\n", ret); |
| 1476 | goto err; |
| 1477 | } |
| 1478 | rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT; |
| 1479 | |
| 1480 | ret = wm831x_reg_read(wm831x, WM831X_RESET_ID); |
| 1481 | if (ret < 0) { |
| 1482 | dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret); |
| 1483 | goto err; |
| 1484 | } |
| 1485 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1486 | /* Some engineering samples do not have the ID set, rely on |
| 1487 | * the device being registered correctly. |
| 1488 | */ |
| 1489 | if (ret == 0) { |
| 1490 | dev_info(wm831x->dev, "Device is an engineering sample\n"); |
| 1491 | ret = id; |
| 1492 | } |
| 1493 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1494 | switch (ret) { |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1495 | case WM8310: |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1496 | parent = WM8310; |
Mark Brown | 6f2ecaa | 2009-10-01 15:41:05 +0100 | [diff] [blame] | 1497 | wm831x->num_gpio = 16; |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1498 | wm831x->charger_irq_wake = 1; |
Mark Brown | f92e8f8 | 2010-02-17 18:45:25 +0000 | [diff] [blame] | 1499 | if (rev > 0) { |
| 1500 | wm831x->has_gpio_ena = 1; |
| 1501 | wm831x->has_cs_sts = 1; |
| 1502 | } |
| 1503 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1504 | dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1505 | break; |
| 1506 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1507 | case WM8311: |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1508 | parent = WM8311; |
Mark Brown | 6f2ecaa | 2009-10-01 15:41:05 +0100 | [diff] [blame] | 1509 | wm831x->num_gpio = 16; |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1510 | wm831x->charger_irq_wake = 1; |
Mark Brown | f92e8f8 | 2010-02-17 18:45:25 +0000 | [diff] [blame] | 1511 | if (rev > 0) { |
| 1512 | wm831x->has_gpio_ena = 1; |
| 1513 | wm831x->has_cs_sts = 1; |
| 1514 | } |
| 1515 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1516 | dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1517 | break; |
| 1518 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1519 | case WM8312: |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1520 | parent = WM8312; |
Mark Brown | 6f2ecaa | 2009-10-01 15:41:05 +0100 | [diff] [blame] | 1521 | wm831x->num_gpio = 16; |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1522 | wm831x->charger_irq_wake = 1; |
Mark Brown | f92e8f8 | 2010-02-17 18:45:25 +0000 | [diff] [blame] | 1523 | if (rev > 0) { |
| 1524 | wm831x->has_gpio_ena = 1; |
| 1525 | wm831x->has_cs_sts = 1; |
| 1526 | } |
| 1527 | |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1528 | dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1529 | break; |
| 1530 | |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 1531 | case WM8320: |
| 1532 | parent = WM8320; |
| 1533 | wm831x->num_gpio = 12; |
| 1534 | dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev); |
| 1535 | break; |
| 1536 | |
Mark Brown | 8891352 | 2010-07-21 14:23:37 +0100 | [diff] [blame] | 1537 | case WM8321: |
| 1538 | parent = WM8321; |
| 1539 | wm831x->num_gpio = 12; |
| 1540 | dev_info(wm831x->dev, "WM8321 revision %c\n", 'A' + rev); |
| 1541 | break; |
| 1542 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1543 | default: |
| 1544 | dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret); |
| 1545 | ret = -EINVAL; |
| 1546 | goto err; |
| 1547 | } |
| 1548 | |
| 1549 | /* This will need revisiting in future but is OK for all |
| 1550 | * current parts. |
| 1551 | */ |
| 1552 | if (parent != id) |
Mark Brown | 894362f | 2009-10-01 15:41:04 +0100 | [diff] [blame] | 1553 | dev_warn(wm831x->dev, "Device was registered as a WM%lx\n", |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1554 | id); |
| 1555 | |
| 1556 | /* Bootstrap the user key */ |
| 1557 | ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY); |
| 1558 | if (ret < 0) { |
| 1559 | dev_err(wm831x->dev, "Failed to read security key: %d\n", ret); |
| 1560 | goto err; |
| 1561 | } |
| 1562 | if (ret != 0) { |
| 1563 | dev_warn(wm831x->dev, "Security key had non-zero value %x\n", |
| 1564 | ret); |
| 1565 | wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); |
| 1566 | } |
| 1567 | wm831x->locked = 1; |
| 1568 | |
| 1569 | if (pdata && pdata->pre_init) { |
| 1570 | ret = pdata->pre_init(wm831x); |
| 1571 | if (ret != 0) { |
| 1572 | dev_err(wm831x->dev, "pre_init() failed: %d\n", ret); |
| 1573 | goto err; |
| 1574 | } |
| 1575 | } |
| 1576 | |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 1577 | ret = wm831x_irq_init(wm831x, irq); |
| 1578 | if (ret != 0) |
| 1579 | goto err; |
| 1580 | |
Mark Brown | 473fe73 | 2010-02-23 11:08:06 +0000 | [diff] [blame] | 1581 | if (wm831x->irq_base) { |
| 1582 | ret = request_threaded_irq(wm831x->irq_base + |
| 1583 | WM831X_IRQ_AUXADC_DATA, |
| 1584 | NULL, wm831x_auxadc_irq, 0, |
| 1585 | "auxadc", wm831x); |
| 1586 | if (ret < 0) |
| 1587 | dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n", |
| 1588 | ret); |
| 1589 | } |
| 1590 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1591 | /* The core device is up, instantiate the subdevices. */ |
| 1592 | switch (parent) { |
| 1593 | case WM8310: |
| 1594 | ret = mfd_add_devices(wm831x->dev, -1, |
| 1595 | wm8310_devs, ARRAY_SIZE(wm8310_devs), |
Mark Brown | 5fb4d38 | 2009-11-11 16:10:22 +0000 | [diff] [blame] | 1596 | NULL, wm831x->irq_base); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1597 | break; |
| 1598 | |
| 1599 | case WM8311: |
| 1600 | ret = mfd_add_devices(wm831x->dev, -1, |
| 1601 | wm8311_devs, ARRAY_SIZE(wm8311_devs), |
Mark Brown | 5fb4d38 | 2009-11-11 16:10:22 +0000 | [diff] [blame] | 1602 | NULL, wm831x->irq_base); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1603 | break; |
| 1604 | |
| 1605 | case WM8312: |
| 1606 | ret = mfd_add_devices(wm831x->dev, -1, |
| 1607 | wm8312_devs, ARRAY_SIZE(wm8312_devs), |
Mark Brown | 5fb4d38 | 2009-11-11 16:10:22 +0000 | [diff] [blame] | 1608 | NULL, wm831x->irq_base); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1609 | break; |
| 1610 | |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 1611 | case WM8320: |
| 1612 | ret = mfd_add_devices(wm831x->dev, -1, |
| 1613 | wm8320_devs, ARRAY_SIZE(wm8320_devs), |
| 1614 | NULL, 0); |
| 1615 | break; |
| 1616 | |
Mark Brown | 8891352 | 2010-07-21 14:23:37 +0100 | [diff] [blame] | 1617 | case WM8321: |
| 1618 | ret = mfd_add_devices(wm831x->dev, -1, |
| 1619 | wm8320_devs, ARRAY_SIZE(wm8320_devs), |
| 1620 | NULL, 0); |
| 1621 | break; |
| 1622 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1623 | default: |
| 1624 | /* If this happens the bus probe function is buggy */ |
| 1625 | BUG(); |
| 1626 | } |
| 1627 | |
| 1628 | if (ret != 0) { |
| 1629 | dev_err(wm831x->dev, "Failed to add children\n"); |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 1630 | goto err_irq; |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1631 | } |
| 1632 | |
Mark Brown | 63aed85 | 2009-07-27 14:45:55 +0100 | [diff] [blame] | 1633 | if (pdata && pdata->backlight) { |
| 1634 | /* Treat errors as non-critical */ |
| 1635 | ret = mfd_add_devices(wm831x->dev, -1, backlight_devs, |
Mark Brown | 5fb4d38 | 2009-11-11 16:10:22 +0000 | [diff] [blame] | 1636 | ARRAY_SIZE(backlight_devs), NULL, |
| 1637 | wm831x->irq_base); |
Mark Brown | 63aed85 | 2009-07-27 14:45:55 +0100 | [diff] [blame] | 1638 | if (ret < 0) |
| 1639 | dev_err(wm831x->dev, "Failed to add backlight: %d\n", |
| 1640 | ret); |
| 1641 | } |
| 1642 | |
Mark Brown | 6704e51 | 2009-07-27 14:45:56 +0100 | [diff] [blame] | 1643 | wm831x_otp_init(wm831x); |
| 1644 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1645 | if (pdata && pdata->post_init) { |
| 1646 | ret = pdata->post_init(wm831x); |
| 1647 | if (ret != 0) { |
| 1648 | dev_err(wm831x->dev, "post_init() failed: %d\n", ret); |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 1649 | goto err_irq; |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | return 0; |
| 1654 | |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 1655 | err_irq: |
| 1656 | wm831x_irq_exit(wm831x); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1657 | err: |
| 1658 | mfd_remove_devices(wm831x->dev); |
| 1659 | kfree(wm831x); |
| 1660 | return ret; |
| 1661 | } |
| 1662 | |
| 1663 | static void wm831x_device_exit(struct wm831x *wm831x) |
| 1664 | { |
Mark Brown | 6704e51 | 2009-07-27 14:45:56 +0100 | [diff] [blame] | 1665 | wm831x_otp_exit(wm831x); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1666 | mfd_remove_devices(wm831x->dev); |
Mark Brown | 473fe73 | 2010-02-23 11:08:06 +0000 | [diff] [blame] | 1667 | if (wm831x->irq_base) |
| 1668 | free_irq(wm831x->irq_base + WM831X_IRQ_AUXADC_DATA, wm831x); |
Mark Brown | 7d4d0a3 | 2009-07-27 14:45:53 +0100 | [diff] [blame] | 1669 | wm831x_irq_exit(wm831x); |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1670 | kfree(wm831x); |
| 1671 | } |
| 1672 | |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1673 | static int wm831x_device_suspend(struct wm831x *wm831x) |
| 1674 | { |
| 1675 | int reg, mask; |
| 1676 | |
| 1677 | /* If the charger IRQs are a wake source then make sure we ack |
| 1678 | * them even if they're not actively being used (eg, no power |
| 1679 | * driver or no IRQ line wired up) then acknowledge the |
| 1680 | * interrupts otherwise suspend won't last very long. |
| 1681 | */ |
| 1682 | if (wm831x->charger_irq_wake) { |
| 1683 | reg = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_2_MASK); |
| 1684 | |
| 1685 | mask = WM831X_CHG_BATT_HOT_EINT | |
| 1686 | WM831X_CHG_BATT_COLD_EINT | |
| 1687 | WM831X_CHG_BATT_FAIL_EINT | |
| 1688 | WM831X_CHG_OV_EINT | WM831X_CHG_END_EINT | |
| 1689 | WM831X_CHG_TO_EINT | WM831X_CHG_MODE_EINT | |
| 1690 | WM831X_CHG_START_EINT; |
| 1691 | |
| 1692 | /* If any of the interrupts are masked read the statuses */ |
| 1693 | if (reg & mask) |
| 1694 | reg = wm831x_reg_read(wm831x, |
| 1695 | WM831X_INTERRUPT_STATUS_2); |
| 1696 | |
| 1697 | if (reg & mask) { |
| 1698 | dev_info(wm831x->dev, |
| 1699 | "Acknowledging masked charger IRQs: %x\n", |
| 1700 | reg & mask); |
| 1701 | wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_2, |
| 1702 | reg & mask); |
| 1703 | } |
| 1704 | } |
| 1705 | |
| 1706 | return 0; |
| 1707 | } |
| 1708 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1709 | static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg, |
| 1710 | int bytes, void *dest) |
| 1711 | { |
| 1712 | struct i2c_client *i2c = wm831x->control_data; |
| 1713 | int ret; |
| 1714 | u16 r = cpu_to_be16(reg); |
| 1715 | |
| 1716 | ret = i2c_master_send(i2c, (unsigned char *)&r, 2); |
| 1717 | if (ret < 0) |
| 1718 | return ret; |
| 1719 | if (ret != 2) |
| 1720 | return -EIO; |
| 1721 | |
| 1722 | ret = i2c_master_recv(i2c, dest, bytes); |
| 1723 | if (ret < 0) |
| 1724 | return ret; |
| 1725 | if (ret != bytes) |
| 1726 | return -EIO; |
| 1727 | return 0; |
| 1728 | } |
| 1729 | |
| 1730 | /* Currently we allocate the write buffer on the stack; this is OK for |
| 1731 | * small writes - if we need to do large writes this will need to be |
| 1732 | * revised. |
| 1733 | */ |
| 1734 | static int wm831x_i2c_write_device(struct wm831x *wm831x, unsigned short reg, |
| 1735 | int bytes, void *src) |
| 1736 | { |
| 1737 | struct i2c_client *i2c = wm831x->control_data; |
| 1738 | unsigned char msg[bytes + 2]; |
| 1739 | int ret; |
| 1740 | |
| 1741 | reg = cpu_to_be16(reg); |
| 1742 | memcpy(&msg[0], ®, 2); |
| 1743 | memcpy(&msg[2], src, bytes); |
| 1744 | |
| 1745 | ret = i2c_master_send(i2c, msg, bytes + 2); |
| 1746 | if (ret < 0) |
| 1747 | return ret; |
| 1748 | if (ret < bytes + 2) |
| 1749 | return -EIO; |
| 1750 | |
| 1751 | return 0; |
| 1752 | } |
| 1753 | |
| 1754 | static int wm831x_i2c_probe(struct i2c_client *i2c, |
| 1755 | const struct i2c_device_id *id) |
| 1756 | { |
| 1757 | struct wm831x *wm831x; |
| 1758 | |
| 1759 | wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL); |
Axel Lin | a2cddb6 | 2010-08-09 14:51:15 +0800 | [diff] [blame] | 1760 | if (wm831x == NULL) |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1761 | return -ENOMEM; |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1762 | |
| 1763 | i2c_set_clientdata(i2c, wm831x); |
| 1764 | wm831x->dev = &i2c->dev; |
| 1765 | wm831x->control_data = i2c; |
| 1766 | wm831x->read_dev = wm831x_i2c_read_device; |
| 1767 | wm831x->write_dev = wm831x_i2c_write_device; |
| 1768 | |
| 1769 | return wm831x_device_init(wm831x, id->driver_data, i2c->irq); |
| 1770 | } |
| 1771 | |
| 1772 | static int wm831x_i2c_remove(struct i2c_client *i2c) |
| 1773 | { |
| 1774 | struct wm831x *wm831x = i2c_get_clientdata(i2c); |
| 1775 | |
| 1776 | wm831x_device_exit(wm831x); |
| 1777 | |
| 1778 | return 0; |
| 1779 | } |
| 1780 | |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1781 | static int wm831x_i2c_suspend(struct i2c_client *i2c, pm_message_t mesg) |
| 1782 | { |
| 1783 | struct wm831x *wm831x = i2c_get_clientdata(i2c); |
| 1784 | |
| 1785 | return wm831x_device_suspend(wm831x); |
| 1786 | } |
| 1787 | |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1788 | static const struct i2c_device_id wm831x_i2c_id[] = { |
| 1789 | { "wm8310", WM8310 }, |
| 1790 | { "wm8311", WM8311 }, |
| 1791 | { "wm8312", WM8312 }, |
Mark Brown | d4e0a89 | 2009-10-01 15:41:07 +0100 | [diff] [blame] | 1792 | { "wm8320", WM8320 }, |
Mark Brown | 8891352 | 2010-07-21 14:23:37 +0100 | [diff] [blame] | 1793 | { "wm8321", WM8321 }, |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1794 | { } |
| 1795 | }; |
| 1796 | MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id); |
| 1797 | |
| 1798 | |
| 1799 | static struct i2c_driver wm831x_i2c_driver = { |
| 1800 | .driver = { |
| 1801 | .name = "wm831x", |
| 1802 | .owner = THIS_MODULE, |
| 1803 | }, |
| 1804 | .probe = wm831x_i2c_probe, |
| 1805 | .remove = wm831x_i2c_remove, |
Mark Brown | b03b4d7 | 2010-04-08 10:02:39 +0200 | [diff] [blame] | 1806 | .suspend = wm831x_i2c_suspend, |
Mark Brown | d2bedfe | 2009-07-27 14:45:52 +0100 | [diff] [blame] | 1807 | .id_table = wm831x_i2c_id, |
| 1808 | }; |
| 1809 | |
| 1810 | static int __init wm831x_i2c_init(void) |
| 1811 | { |
| 1812 | int ret; |
| 1813 | |
| 1814 | ret = i2c_add_driver(&wm831x_i2c_driver); |
| 1815 | if (ret != 0) |
| 1816 | pr_err("Failed to register wm831x I2C driver: %d\n", ret); |
| 1817 | |
| 1818 | return ret; |
| 1819 | } |
| 1820 | subsys_initcall(wm831x_i2c_init); |
| 1821 | |
| 1822 | static void __exit wm831x_i2c_exit(void) |
| 1823 | { |
| 1824 | i2c_del_driver(&wm831x_i2c_driver); |
| 1825 | } |
| 1826 | module_exit(wm831x_i2c_exit); |
| 1827 | |
| 1828 | MODULE_DESCRIPTION("I2C support for the WM831X AudioPlus PMIC"); |
| 1829 | MODULE_LICENSE("GPL"); |
| 1830 | MODULE_AUTHOR("Mark Brown"); |