Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 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> |
Mattias Wallin | adceed6 | 2011-03-02 11:51:11 +0100 | [diff] [blame] | 7 | * Author: Mattias Wallin <mattias.wallin@stericsson.com> |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 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/delay.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/mfd/core.h> |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 19 | #include <linux/mfd/abx500.h> |
Linus Walleij | ee66e65 | 2011-12-02 14:16:33 +0100 | [diff] [blame] | 20 | #include <linux/mfd/abx500/ab8500.h> |
Sundar R Iyer | 549931f | 2010-07-13 11:51:28 +0530 | [diff] [blame] | 21 | #include <linux/regulator/ab8500.h> |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 22 | |
| 23 | /* |
| 24 | * Interrupt register offsets |
| 25 | * Bank : 0x0E |
| 26 | */ |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 27 | #define AB8500_IT_SOURCE1_REG 0x00 |
| 28 | #define AB8500_IT_SOURCE2_REG 0x01 |
| 29 | #define AB8500_IT_SOURCE3_REG 0x02 |
| 30 | #define AB8500_IT_SOURCE4_REG 0x03 |
| 31 | #define AB8500_IT_SOURCE5_REG 0x04 |
| 32 | #define AB8500_IT_SOURCE6_REG 0x05 |
| 33 | #define AB8500_IT_SOURCE7_REG 0x06 |
| 34 | #define AB8500_IT_SOURCE8_REG 0x07 |
| 35 | #define AB8500_IT_SOURCE19_REG 0x12 |
| 36 | #define AB8500_IT_SOURCE20_REG 0x13 |
| 37 | #define AB8500_IT_SOURCE21_REG 0x14 |
| 38 | #define AB8500_IT_SOURCE22_REG 0x15 |
| 39 | #define AB8500_IT_SOURCE23_REG 0x16 |
| 40 | #define AB8500_IT_SOURCE24_REG 0x17 |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 41 | |
| 42 | /* |
| 43 | * latch registers |
| 44 | */ |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 45 | #define AB8500_IT_LATCH1_REG 0x20 |
| 46 | #define AB8500_IT_LATCH2_REG 0x21 |
| 47 | #define AB8500_IT_LATCH3_REG 0x22 |
| 48 | #define AB8500_IT_LATCH4_REG 0x23 |
| 49 | #define AB8500_IT_LATCH5_REG 0x24 |
| 50 | #define AB8500_IT_LATCH6_REG 0x25 |
| 51 | #define AB8500_IT_LATCH7_REG 0x26 |
| 52 | #define AB8500_IT_LATCH8_REG 0x27 |
| 53 | #define AB8500_IT_LATCH9_REG 0x28 |
| 54 | #define AB8500_IT_LATCH10_REG 0x29 |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 55 | #define AB8500_IT_LATCH12_REG 0x2B |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 56 | #define AB8500_IT_LATCH19_REG 0x32 |
| 57 | #define AB8500_IT_LATCH20_REG 0x33 |
| 58 | #define AB8500_IT_LATCH21_REG 0x34 |
| 59 | #define AB8500_IT_LATCH22_REG 0x35 |
| 60 | #define AB8500_IT_LATCH23_REG 0x36 |
| 61 | #define AB8500_IT_LATCH24_REG 0x37 |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 62 | |
| 63 | /* |
| 64 | * mask registers |
| 65 | */ |
| 66 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 67 | #define AB8500_IT_MASK1_REG 0x40 |
| 68 | #define AB8500_IT_MASK2_REG 0x41 |
| 69 | #define AB8500_IT_MASK3_REG 0x42 |
| 70 | #define AB8500_IT_MASK4_REG 0x43 |
| 71 | #define AB8500_IT_MASK5_REG 0x44 |
| 72 | #define AB8500_IT_MASK6_REG 0x45 |
| 73 | #define AB8500_IT_MASK7_REG 0x46 |
| 74 | #define AB8500_IT_MASK8_REG 0x47 |
| 75 | #define AB8500_IT_MASK9_REG 0x48 |
| 76 | #define AB8500_IT_MASK10_REG 0x49 |
| 77 | #define AB8500_IT_MASK11_REG 0x4A |
| 78 | #define AB8500_IT_MASK12_REG 0x4B |
| 79 | #define AB8500_IT_MASK13_REG 0x4C |
| 80 | #define AB8500_IT_MASK14_REG 0x4D |
| 81 | #define AB8500_IT_MASK15_REG 0x4E |
| 82 | #define AB8500_IT_MASK16_REG 0x4F |
| 83 | #define AB8500_IT_MASK17_REG 0x50 |
| 84 | #define AB8500_IT_MASK18_REG 0x51 |
| 85 | #define AB8500_IT_MASK19_REG 0x52 |
| 86 | #define AB8500_IT_MASK20_REG 0x53 |
| 87 | #define AB8500_IT_MASK21_REG 0x54 |
| 88 | #define AB8500_IT_MASK22_REG 0x55 |
| 89 | #define AB8500_IT_MASK23_REG 0x56 |
| 90 | #define AB8500_IT_MASK24_REG 0x57 |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 91 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 92 | #define AB8500_REV_REG 0x80 |
Mattias Wallin | e5c238c | 2011-03-02 11:52:36 +0100 | [diff] [blame] | 93 | #define AB8500_SWITCH_OFF_STATUS 0x00 |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 94 | |
Andrew Lynn | b4a3103 | 2011-10-11 10:49:47 +0200 | [diff] [blame] | 95 | #define AB8500_TURN_ON_STATUS 0x00 |
| 96 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 97 | /* |
| 98 | * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt |
| 99 | * numbers are indexed into this array with (num / 8). |
| 100 | * |
| 101 | * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at |
| 102 | * offset 0. |
| 103 | */ |
| 104 | static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = { |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 105 | 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 106 | }; |
| 107 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 108 | static int ab8500_get_chip_id(struct device *dev) |
| 109 | { |
Mattias Wallin | 6bce7bf | 2010-12-02 15:08:32 +0100 | [diff] [blame] | 110 | struct ab8500 *ab8500; |
| 111 | |
| 112 | if (!dev) |
| 113 | return -EINVAL; |
| 114 | ab8500 = dev_get_drvdata(dev->parent); |
| 115 | return ab8500 ? (int)ab8500->chip_id : -EINVAL; |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | static int set_register_interruptible(struct ab8500 *ab8500, u8 bank, |
| 119 | u8 reg, u8 data) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 120 | { |
| 121 | int ret; |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 122 | /* |
| 123 | * Put the u8 bank and u8 register together into a an u16. |
| 124 | * The bank on higher 8 bits and register in lower 8 bits. |
| 125 | * */ |
| 126 | u16 addr = ((u16)bank) << 8 | reg; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 127 | |
| 128 | dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data); |
| 129 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 130 | ret = mutex_lock_interruptible(&ab8500->lock); |
| 131 | if (ret) |
| 132 | return ret; |
| 133 | |
| 134 | ret = ab8500->write(ab8500, addr, data); |
| 135 | if (ret < 0) |
| 136 | dev_err(ab8500->dev, "failed to write reg %#x: %d\n", |
| 137 | addr, ret); |
| 138 | mutex_unlock(&ab8500->lock); |
| 139 | |
| 140 | return ret; |
| 141 | } |
| 142 | |
| 143 | static int ab8500_set_register(struct device *dev, u8 bank, |
| 144 | u8 reg, u8 value) |
| 145 | { |
| 146 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
| 147 | |
| 148 | return set_register_interruptible(ab8500, bank, reg, value); |
| 149 | } |
| 150 | |
| 151 | static int get_register_interruptible(struct ab8500 *ab8500, u8 bank, |
| 152 | u8 reg, u8 *value) |
| 153 | { |
| 154 | int ret; |
| 155 | /* put the u8 bank and u8 reg together into a an u16. |
| 156 | * bank on higher 8 bits and reg in lower */ |
| 157 | u16 addr = ((u16)bank) << 8 | reg; |
| 158 | |
| 159 | ret = mutex_lock_interruptible(&ab8500->lock); |
| 160 | if (ret) |
| 161 | return ret; |
| 162 | |
| 163 | ret = ab8500->read(ab8500, addr); |
| 164 | if (ret < 0) |
| 165 | dev_err(ab8500->dev, "failed to read reg %#x: %d\n", |
| 166 | addr, ret); |
| 167 | else |
| 168 | *value = ret; |
| 169 | |
| 170 | mutex_unlock(&ab8500->lock); |
| 171 | dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret); |
| 172 | |
| 173 | return ret; |
| 174 | } |
| 175 | |
| 176 | static int ab8500_get_register(struct device *dev, u8 bank, |
| 177 | u8 reg, u8 *value) |
| 178 | { |
| 179 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
| 180 | |
| 181 | return get_register_interruptible(ab8500, bank, reg, value); |
| 182 | } |
| 183 | |
| 184 | static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank, |
| 185 | u8 reg, u8 bitmask, u8 bitvalues) |
| 186 | { |
| 187 | int ret; |
| 188 | u8 data; |
| 189 | /* put the u8 bank and u8 reg together into a an u16. |
| 190 | * bank on higher 8 bits and reg in lower */ |
| 191 | u16 addr = ((u16)bank) << 8 | reg; |
| 192 | |
| 193 | ret = mutex_lock_interruptible(&ab8500->lock); |
| 194 | if (ret) |
| 195 | return ret; |
| 196 | |
| 197 | ret = ab8500->read(ab8500, addr); |
| 198 | if (ret < 0) { |
| 199 | dev_err(ab8500->dev, "failed to read reg %#x: %d\n", |
| 200 | addr, ret); |
| 201 | goto out; |
| 202 | } |
| 203 | |
| 204 | data = (u8)ret; |
| 205 | data = (~bitmask & data) | (bitmask & bitvalues); |
| 206 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 207 | ret = ab8500->write(ab8500, addr, data); |
| 208 | if (ret < 0) |
| 209 | dev_err(ab8500->dev, "failed to write reg %#x: %d\n", |
| 210 | addr, ret); |
| 211 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 212 | dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr, data); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 213 | out: |
| 214 | mutex_unlock(&ab8500->lock); |
| 215 | return ret; |
| 216 | } |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 217 | |
| 218 | static int ab8500_mask_and_set_register(struct device *dev, |
| 219 | u8 bank, u8 reg, u8 bitmask, u8 bitvalues) |
| 220 | { |
| 221 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
| 222 | |
| 223 | return mask_and_set_register_interruptible(ab8500, bank, reg, |
| 224 | bitmask, bitvalues); |
| 225 | |
| 226 | } |
| 227 | |
| 228 | static struct abx500_ops ab8500_ops = { |
| 229 | .get_chip_id = ab8500_get_chip_id, |
| 230 | .get_register = ab8500_get_register, |
| 231 | .set_register = ab8500_set_register, |
| 232 | .get_register_page = NULL, |
| 233 | .set_register_page = NULL, |
| 234 | .mask_and_set_register = ab8500_mask_and_set_register, |
| 235 | .event_registers_startup_state_get = NULL, |
| 236 | .startup_irq_enabled = NULL, |
| 237 | }; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 238 | |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 239 | static void ab8500_irq_lock(struct irq_data *data) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 240 | { |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 241 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 242 | |
| 243 | mutex_lock(&ab8500->irq_lock); |
| 244 | } |
| 245 | |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 246 | static void ab8500_irq_sync_unlock(struct irq_data *data) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 247 | { |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 248 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 249 | int i; |
| 250 | |
| 251 | for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) { |
| 252 | u8 old = ab8500->oldmask[i]; |
| 253 | u8 new = ab8500->mask[i]; |
| 254 | int reg; |
| 255 | |
| 256 | if (new == old) |
| 257 | continue; |
| 258 | |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 259 | /* Interrupt register 12 doesn't exist prior to version 2.0 */ |
| 260 | if (ab8500_irq_regoffset[i] == 11 && |
| 261 | ab8500->chip_id < AB8500_CUT2P0) |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 262 | continue; |
| 263 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 264 | ab8500->oldmask[i] = new; |
| 265 | |
| 266 | reg = AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i]; |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 267 | set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | mutex_unlock(&ab8500->irq_lock); |
| 271 | } |
| 272 | |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 273 | static void ab8500_irq_mask(struct irq_data *data) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 274 | { |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 275 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
| 276 | int offset = data->irq - ab8500->irq_base; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 277 | int index = offset / 8; |
| 278 | int mask = 1 << (offset % 8); |
| 279 | |
| 280 | ab8500->mask[index] |= mask; |
| 281 | } |
| 282 | |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 283 | static void ab8500_irq_unmask(struct irq_data *data) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 284 | { |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 285 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
| 286 | int offset = data->irq - ab8500->irq_base; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 287 | int index = offset / 8; |
| 288 | int mask = 1 << (offset % 8); |
| 289 | |
| 290 | ab8500->mask[index] &= ~mask; |
| 291 | } |
| 292 | |
| 293 | static struct irq_chip ab8500_irq_chip = { |
| 294 | .name = "ab8500", |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 295 | .irq_bus_lock = ab8500_irq_lock, |
| 296 | .irq_bus_sync_unlock = ab8500_irq_sync_unlock, |
| 297 | .irq_mask = ab8500_irq_mask, |
Virupax Sadashivpetimath | e6f9306 | 2011-10-11 10:49:17 +0200 | [diff] [blame] | 298 | .irq_disable = ab8500_irq_mask, |
Mark Brown | 9505a0a | 2010-12-11 13:16:08 +0000 | [diff] [blame] | 299 | .irq_unmask = ab8500_irq_unmask, |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 300 | }; |
| 301 | |
| 302 | static irqreturn_t ab8500_irq(int irq, void *dev) |
| 303 | { |
| 304 | struct ab8500 *ab8500 = dev; |
| 305 | int i; |
| 306 | |
| 307 | dev_vdbg(ab8500->dev, "interrupt\n"); |
| 308 | |
| 309 | for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) { |
| 310 | int regoffset = ab8500_irq_regoffset[i]; |
| 311 | int status; |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 312 | u8 value; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 313 | |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 314 | /* Interrupt register 12 doesn't exist prior to version 2.0 */ |
| 315 | if (regoffset == 11 && ab8500->chip_id < AB8500_CUT2P0) |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 316 | continue; |
| 317 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 318 | status = get_register_interruptible(ab8500, AB8500_INTERRUPT, |
| 319 | AB8500_IT_LATCH1_REG + regoffset, &value); |
| 320 | if (status < 0 || value == 0) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 321 | continue; |
| 322 | |
| 323 | do { |
Mattias Wallin | 88aec4f | 2010-12-02 15:06:49 +0100 | [diff] [blame] | 324 | int bit = __ffs(value); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 325 | int line = i * 8 + bit; |
| 326 | |
| 327 | handle_nested_irq(ab8500->irq_base + line); |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 328 | value &= ~(1 << bit); |
| 329 | } while (value); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | return IRQ_HANDLED; |
| 333 | } |
| 334 | |
| 335 | static int ab8500_irq_init(struct ab8500 *ab8500) |
| 336 | { |
| 337 | int base = ab8500->irq_base; |
| 338 | int irq; |
| 339 | |
| 340 | for (irq = base; irq < base + AB8500_NR_IRQS; irq++) { |
Thomas Gleixner | d5bb122 | 2011-03-25 11:12:32 +0000 | [diff] [blame] | 341 | irq_set_chip_data(irq, ab8500); |
| 342 | irq_set_chip_and_handler(irq, &ab8500_irq_chip, |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 343 | handle_simple_irq); |
Thomas Gleixner | d5bb122 | 2011-03-25 11:12:32 +0000 | [diff] [blame] | 344 | irq_set_nested_thread(irq, 1); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 345 | #ifdef CONFIG_ARM |
| 346 | set_irq_flags(irq, IRQF_VALID); |
| 347 | #else |
Thomas Gleixner | d5bb122 | 2011-03-25 11:12:32 +0000 | [diff] [blame] | 348 | irq_set_noprobe(irq); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 349 | #endif |
| 350 | } |
| 351 | |
| 352 | return 0; |
| 353 | } |
| 354 | |
| 355 | static void ab8500_irq_remove(struct ab8500 *ab8500) |
| 356 | { |
| 357 | int base = ab8500->irq_base; |
| 358 | int irq; |
| 359 | |
| 360 | for (irq = base; irq < base + AB8500_NR_IRQS; irq++) { |
| 361 | #ifdef CONFIG_ARM |
| 362 | set_irq_flags(irq, 0); |
| 363 | #endif |
Thomas Gleixner | d5bb122 | 2011-03-25 11:12:32 +0000 | [diff] [blame] | 364 | irq_set_chip_and_handler(irq, NULL, NULL); |
| 365 | irq_set_chip_data(irq, NULL); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 366 | } |
| 367 | } |
| 368 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 369 | static struct resource __devinitdata ab8500_gpio_resources[] = { |
Bibek Basu | 0cb3fcd | 2011-02-09 11:02:35 +0530 | [diff] [blame] | 370 | { |
| 371 | .name = "GPIO_INT6", |
| 372 | .start = AB8500_INT_GPIO6R, |
| 373 | .end = AB8500_INT_GPIO41F, |
| 374 | .flags = IORESOURCE_IRQ, |
| 375 | } |
| 376 | }; |
| 377 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 378 | static struct resource __devinitdata ab8500_gpadc_resources[] = { |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 379 | { |
| 380 | .name = "HW_CONV_END", |
| 381 | .start = AB8500_INT_GP_HW_ADC_CONV_END, |
| 382 | .end = AB8500_INT_GP_HW_ADC_CONV_END, |
| 383 | .flags = IORESOURCE_IRQ, |
| 384 | }, |
| 385 | { |
| 386 | .name = "SW_CONV_END", |
| 387 | .start = AB8500_INT_GP_SW_ADC_CONV_END, |
| 388 | .end = AB8500_INT_GP_SW_ADC_CONV_END, |
| 389 | .flags = IORESOURCE_IRQ, |
| 390 | }, |
| 391 | }; |
| 392 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 393 | static struct resource __devinitdata ab8500_rtc_resources[] = { |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 394 | { |
| 395 | .name = "60S", |
| 396 | .start = AB8500_INT_RTC_60S, |
| 397 | .end = AB8500_INT_RTC_60S, |
| 398 | .flags = IORESOURCE_IRQ, |
| 399 | }, |
| 400 | { |
| 401 | .name = "ALARM", |
| 402 | .start = AB8500_INT_RTC_ALARM, |
| 403 | .end = AB8500_INT_RTC_ALARM, |
| 404 | .flags = IORESOURCE_IRQ, |
| 405 | }, |
| 406 | }; |
| 407 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 408 | static struct resource __devinitdata ab8500_poweronkey_db_resources[] = { |
Sundar R Iyer | 7768651 | 2010-09-05 12:18:47 -0700 | [diff] [blame] | 409 | { |
| 410 | .name = "ONKEY_DBF", |
| 411 | .start = AB8500_INT_PON_KEY1DB_F, |
| 412 | .end = AB8500_INT_PON_KEY1DB_F, |
| 413 | .flags = IORESOURCE_IRQ, |
| 414 | }, |
| 415 | { |
| 416 | .name = "ONKEY_DBR", |
| 417 | .start = AB8500_INT_PON_KEY1DB_R, |
| 418 | .end = AB8500_INT_PON_KEY1DB_R, |
| 419 | .flags = IORESOURCE_IRQ, |
| 420 | }, |
| 421 | }; |
| 422 | |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 423 | static struct resource __devinitdata ab8500_av_acc_detect_resources[] = { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 424 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 425 | .name = "ACC_DETECT_1DB_F", |
| 426 | .start = AB8500_INT_ACC_DETECT_1DB_F, |
| 427 | .end = AB8500_INT_ACC_DETECT_1DB_F, |
| 428 | .flags = IORESOURCE_IRQ, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 429 | }, |
| 430 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 431 | .name = "ACC_DETECT_1DB_R", |
| 432 | .start = AB8500_INT_ACC_DETECT_1DB_R, |
| 433 | .end = AB8500_INT_ACC_DETECT_1DB_R, |
| 434 | .flags = IORESOURCE_IRQ, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 435 | }, |
| 436 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 437 | .name = "ACC_DETECT_21DB_F", |
| 438 | .start = AB8500_INT_ACC_DETECT_21DB_F, |
| 439 | .end = AB8500_INT_ACC_DETECT_21DB_F, |
| 440 | .flags = IORESOURCE_IRQ, |
| 441 | }, |
| 442 | { |
| 443 | .name = "ACC_DETECT_21DB_R", |
| 444 | .start = AB8500_INT_ACC_DETECT_21DB_R, |
| 445 | .end = AB8500_INT_ACC_DETECT_21DB_R, |
| 446 | .flags = IORESOURCE_IRQ, |
| 447 | }, |
| 448 | { |
| 449 | .name = "ACC_DETECT_22DB_F", |
| 450 | .start = AB8500_INT_ACC_DETECT_22DB_F, |
| 451 | .end = AB8500_INT_ACC_DETECT_22DB_F, |
| 452 | .flags = IORESOURCE_IRQ, |
| 453 | }, |
| 454 | { |
| 455 | .name = "ACC_DETECT_22DB_R", |
| 456 | .start = AB8500_INT_ACC_DETECT_22DB_R, |
| 457 | .end = AB8500_INT_ACC_DETECT_22DB_R, |
| 458 | .flags = IORESOURCE_IRQ, |
| 459 | }, |
| 460 | }; |
| 461 | |
| 462 | static struct resource __devinitdata ab8500_charger_resources[] = { |
| 463 | { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 464 | .name = "MAIN_CH_UNPLUG_DET", |
| 465 | .start = AB8500_INT_MAIN_CH_UNPLUG_DET, |
| 466 | .end = AB8500_INT_MAIN_CH_UNPLUG_DET, |
| 467 | .flags = IORESOURCE_IRQ, |
| 468 | }, |
| 469 | { |
| 470 | .name = "MAIN_CHARGE_PLUG_DET", |
| 471 | .start = AB8500_INT_MAIN_CH_PLUG_DET, |
| 472 | .end = AB8500_INT_MAIN_CH_PLUG_DET, |
| 473 | .flags = IORESOURCE_IRQ, |
| 474 | }, |
| 475 | { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 476 | .name = "VBUS_DET_R", |
| 477 | .start = AB8500_INT_VBUS_DET_R, |
| 478 | .end = AB8500_INT_VBUS_DET_R, |
| 479 | .flags = IORESOURCE_IRQ, |
| 480 | }, |
| 481 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 482 | .name = "VBUS_DET_F", |
| 483 | .start = AB8500_INT_VBUS_DET_F, |
| 484 | .end = AB8500_INT_VBUS_DET_F, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 485 | .flags = IORESOURCE_IRQ, |
| 486 | }, |
| 487 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 488 | .name = "USB_LINK_STATUS", |
| 489 | .start = AB8500_INT_USB_LINK_STATUS, |
| 490 | .end = AB8500_INT_USB_LINK_STATUS, |
| 491 | .flags = IORESOURCE_IRQ, |
| 492 | }, |
| 493 | { |
| 494 | .name = "USB_CHARGE_DET_DONE", |
| 495 | .start = AB8500_INT_USB_CHG_DET_DONE, |
| 496 | .end = AB8500_INT_USB_CHG_DET_DONE, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 497 | .flags = IORESOURCE_IRQ, |
| 498 | }, |
| 499 | { |
| 500 | .name = "VBUS_OVV", |
| 501 | .start = AB8500_INT_VBUS_OVV, |
| 502 | .end = AB8500_INT_VBUS_OVV, |
| 503 | .flags = IORESOURCE_IRQ, |
| 504 | }, |
| 505 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 506 | .name = "USB_CH_TH_PROT_R", |
| 507 | .start = AB8500_INT_USB_CH_TH_PROT_R, |
| 508 | .end = AB8500_INT_USB_CH_TH_PROT_R, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 509 | .flags = IORESOURCE_IRQ, |
| 510 | }, |
| 511 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 512 | .name = "USB_CH_TH_PROT_F", |
| 513 | .start = AB8500_INT_USB_CH_TH_PROT_F, |
| 514 | .end = AB8500_INT_USB_CH_TH_PROT_F, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 515 | .flags = IORESOURCE_IRQ, |
| 516 | }, |
| 517 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 518 | .name = "MAIN_EXT_CH_NOT_OK", |
| 519 | .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, |
| 520 | .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, |
| 521 | .flags = IORESOURCE_IRQ, |
| 522 | }, |
| 523 | { |
| 524 | .name = "MAIN_CH_TH_PROT_R", |
| 525 | .start = AB8500_INT_MAIN_CH_TH_PROT_R, |
| 526 | .end = AB8500_INT_MAIN_CH_TH_PROT_R, |
| 527 | .flags = IORESOURCE_IRQ, |
| 528 | }, |
| 529 | { |
| 530 | .name = "MAIN_CH_TH_PROT_F", |
| 531 | .start = AB8500_INT_MAIN_CH_TH_PROT_F, |
| 532 | .end = AB8500_INT_MAIN_CH_TH_PROT_F, |
| 533 | .flags = IORESOURCE_IRQ, |
| 534 | }, |
| 535 | { |
| 536 | .name = "USB_CHARGER_NOT_OKR", |
| 537 | .start = AB8500_INT_USB_CHARGER_NOT_OK, |
| 538 | .end = AB8500_INT_USB_CHARGER_NOT_OK, |
| 539 | .flags = IORESOURCE_IRQ, |
| 540 | }, |
| 541 | { |
| 542 | .name = "USB_CHARGER_NOT_OKF", |
| 543 | .start = AB8500_INT_USB_CHARGER_NOT_OKF, |
| 544 | .end = AB8500_INT_USB_CHARGER_NOT_OKF, |
| 545 | .flags = IORESOURCE_IRQ, |
| 546 | }, |
| 547 | { |
| 548 | .name = "CH_WD_EXP", |
| 549 | .start = AB8500_INT_CH_WD_EXP, |
| 550 | .end = AB8500_INT_CH_WD_EXP, |
| 551 | .flags = IORESOURCE_IRQ, |
| 552 | }, |
| 553 | }; |
| 554 | |
| 555 | static struct resource __devinitdata ab8500_btemp_resources[] = { |
| 556 | { |
| 557 | .name = "BAT_CTRL_INDB", |
| 558 | .start = AB8500_INT_BAT_CTRL_INDB, |
| 559 | .end = AB8500_INT_BAT_CTRL_INDB, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 560 | .flags = IORESOURCE_IRQ, |
| 561 | }, |
| 562 | { |
| 563 | .name = "BTEMP_LOW", |
| 564 | .start = AB8500_INT_BTEMP_LOW, |
| 565 | .end = AB8500_INT_BTEMP_LOW, |
| 566 | .flags = IORESOURCE_IRQ, |
| 567 | }, |
| 568 | { |
| 569 | .name = "BTEMP_HIGH", |
| 570 | .start = AB8500_INT_BTEMP_HIGH, |
| 571 | .end = AB8500_INT_BTEMP_HIGH, |
| 572 | .flags = IORESOURCE_IRQ, |
| 573 | }, |
| 574 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 575 | .name = "BTEMP_LOW_MEDIUM", |
| 576 | .start = AB8500_INT_BTEMP_LOW_MEDIUM, |
| 577 | .end = AB8500_INT_BTEMP_LOW_MEDIUM, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 578 | .flags = IORESOURCE_IRQ, |
| 579 | }, |
| 580 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 581 | .name = "BTEMP_MEDIUM_HIGH", |
| 582 | .start = AB8500_INT_BTEMP_MEDIUM_HIGH, |
| 583 | .end = AB8500_INT_BTEMP_MEDIUM_HIGH, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 584 | .flags = IORESOURCE_IRQ, |
| 585 | }, |
| 586 | }; |
| 587 | |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 588 | static struct resource __devinitdata ab8500_fg_resources[] = { |
| 589 | { |
| 590 | .name = "NCONV_ACCU", |
| 591 | .start = AB8500_INT_CCN_CONV_ACC, |
| 592 | .end = AB8500_INT_CCN_CONV_ACC, |
| 593 | .flags = IORESOURCE_IRQ, |
| 594 | }, |
| 595 | { |
| 596 | .name = "BATT_OVV", |
| 597 | .start = AB8500_INT_BATT_OVV, |
| 598 | .end = AB8500_INT_BATT_OVV, |
| 599 | .flags = IORESOURCE_IRQ, |
| 600 | }, |
| 601 | { |
| 602 | .name = "LOW_BAT_F", |
| 603 | .start = AB8500_INT_LOW_BAT_F, |
| 604 | .end = AB8500_INT_LOW_BAT_F, |
| 605 | .flags = IORESOURCE_IRQ, |
| 606 | }, |
| 607 | { |
| 608 | .name = "LOW_BAT_R", |
| 609 | .start = AB8500_INT_LOW_BAT_R, |
| 610 | .end = AB8500_INT_LOW_BAT_R, |
| 611 | .flags = IORESOURCE_IRQ, |
| 612 | }, |
| 613 | { |
| 614 | .name = "CC_INT_CALIB", |
| 615 | .start = AB8500_INT_CC_INT_CALIB, |
| 616 | .end = AB8500_INT_CC_INT_CALIB, |
| 617 | .flags = IORESOURCE_IRQ, |
| 618 | }, |
| 619 | }; |
| 620 | |
| 621 | static struct resource __devinitdata ab8500_chargalg_resources[] = {}; |
| 622 | |
Axel Lin | df72064 | 2011-11-10 09:56:18 +0800 | [diff] [blame] | 623 | #ifdef CONFIG_DEBUG_FS |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 624 | static struct resource __devinitdata ab8500_debug_resources[] = { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 625 | { |
| 626 | .name = "IRQ_FIRST", |
| 627 | .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, |
| 628 | .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, |
| 629 | .flags = IORESOURCE_IRQ, |
| 630 | }, |
| 631 | { |
| 632 | .name = "IRQ_LAST", |
| 633 | .start = AB8500_INT_USB_CHARGER_NOT_OKF, |
| 634 | .end = AB8500_INT_USB_CHARGER_NOT_OKF, |
| 635 | .flags = IORESOURCE_IRQ, |
| 636 | }, |
| 637 | }; |
Axel Lin | df72064 | 2011-11-10 09:56:18 +0800 | [diff] [blame] | 638 | #endif |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 639 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 640 | static struct resource __devinitdata ab8500_usb_resources[] = { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 641 | { |
| 642 | .name = "ID_WAKEUP_R", |
| 643 | .start = AB8500_INT_ID_WAKEUP_R, |
| 644 | .end = AB8500_INT_ID_WAKEUP_R, |
| 645 | .flags = IORESOURCE_IRQ, |
| 646 | }, |
| 647 | { |
| 648 | .name = "ID_WAKEUP_F", |
| 649 | .start = AB8500_INT_ID_WAKEUP_F, |
| 650 | .end = AB8500_INT_ID_WAKEUP_F, |
| 651 | .flags = IORESOURCE_IRQ, |
| 652 | }, |
| 653 | { |
| 654 | .name = "VBUS_DET_F", |
| 655 | .start = AB8500_INT_VBUS_DET_F, |
| 656 | .end = AB8500_INT_VBUS_DET_F, |
| 657 | .flags = IORESOURCE_IRQ, |
| 658 | }, |
| 659 | { |
| 660 | .name = "VBUS_DET_R", |
| 661 | .start = AB8500_INT_VBUS_DET_R, |
| 662 | .end = AB8500_INT_VBUS_DET_R, |
| 663 | .flags = IORESOURCE_IRQ, |
| 664 | }, |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 665 | { |
| 666 | .name = "USB_LINK_STATUS", |
| 667 | .start = AB8500_INT_USB_LINK_STATUS, |
| 668 | .end = AB8500_INT_USB_LINK_STATUS, |
| 669 | .flags = IORESOURCE_IRQ, |
| 670 | }, |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 671 | { |
| 672 | .name = "USB_ADP_PROBE_PLUG", |
| 673 | .start = AB8500_INT_ADP_PROBE_PLUG, |
| 674 | .end = AB8500_INT_ADP_PROBE_PLUG, |
| 675 | .flags = IORESOURCE_IRQ, |
| 676 | }, |
| 677 | { |
| 678 | .name = "USB_ADP_PROBE_UNPLUG", |
| 679 | .start = AB8500_INT_ADP_PROBE_UNPLUG, |
| 680 | .end = AB8500_INT_ADP_PROBE_UNPLUG, |
| 681 | .flags = IORESOURCE_IRQ, |
| 682 | }, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 683 | }; |
| 684 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 685 | static struct resource __devinitdata ab8500_temp_resources[] = { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 686 | { |
| 687 | .name = "AB8500_TEMP_WARM", |
| 688 | .start = AB8500_INT_TEMP_WARM, |
| 689 | .end = AB8500_INT_TEMP_WARM, |
| 690 | .flags = IORESOURCE_IRQ, |
| 691 | }, |
| 692 | }; |
| 693 | |
Robert Rosengren | 5cef8df | 2011-06-09 23:57:33 +0200 | [diff] [blame] | 694 | static struct mfd_cell __devinitdata ab8500_devs[] = { |
Mattias Wallin | 5814fc3 | 2010-09-13 16:05:04 +0200 | [diff] [blame] | 695 | #ifdef CONFIG_DEBUG_FS |
| 696 | { |
| 697 | .name = "ab8500-debug", |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 698 | .num_resources = ARRAY_SIZE(ab8500_debug_resources), |
| 699 | .resources = ab8500_debug_resources, |
Mattias Wallin | 5814fc3 | 2010-09-13 16:05:04 +0200 | [diff] [blame] | 700 | }, |
| 701 | #endif |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 702 | { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 703 | .name = "ab8500-sysctrl", |
| 704 | }, |
| 705 | { |
| 706 | .name = "ab8500-regulator", |
| 707 | }, |
| 708 | { |
Bibek Basu | 0cb3fcd | 2011-02-09 11:02:35 +0530 | [diff] [blame] | 709 | .name = "ab8500-gpio", |
| 710 | .num_resources = ARRAY_SIZE(ab8500_gpio_resources), |
| 711 | .resources = ab8500_gpio_resources, |
| 712 | }, |
| 713 | { |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 714 | .name = "ab8500-gpadc", |
| 715 | .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), |
| 716 | .resources = ab8500_gpadc_resources, |
| 717 | }, |
| 718 | { |
| 719 | .name = "ab8500-rtc", |
| 720 | .num_resources = ARRAY_SIZE(ab8500_rtc_resources), |
| 721 | .resources = ab8500_rtc_resources, |
| 722 | }, |
Arun Murthy | f0f05b1 | 2010-09-06 12:24:52 +0530 | [diff] [blame] | 723 | { |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 724 | .name = "ab8500-charger", |
| 725 | .num_resources = ARRAY_SIZE(ab8500_charger_resources), |
| 726 | .resources = ab8500_charger_resources, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 727 | }, |
Linus Walleij | 6af75ec | 2011-06-09 23:57:45 +0200 | [diff] [blame] | 728 | { |
| 729 | .name = "ab8500-btemp", |
| 730 | .num_resources = ARRAY_SIZE(ab8500_btemp_resources), |
| 731 | .resources = ab8500_btemp_resources, |
| 732 | }, |
| 733 | { |
| 734 | .name = "ab8500-fg", |
| 735 | .num_resources = ARRAY_SIZE(ab8500_fg_resources), |
| 736 | .resources = ab8500_fg_resources, |
| 737 | }, |
| 738 | { |
| 739 | .name = "ab8500-chargalg", |
| 740 | .num_resources = ARRAY_SIZE(ab8500_chargalg_resources), |
| 741 | .resources = ab8500_chargalg_resources, |
| 742 | }, |
| 743 | { |
| 744 | .name = "ab8500-acc-det", |
| 745 | .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), |
| 746 | .resources = ab8500_av_acc_detect_resources, |
| 747 | }, |
| 748 | { |
| 749 | .name = "ab8500-codec", |
| 750 | }, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 751 | { |
| 752 | .name = "ab8500-usb", |
| 753 | .num_resources = ARRAY_SIZE(ab8500_usb_resources), |
| 754 | .resources = ab8500_usb_resources, |
| 755 | }, |
| 756 | { |
| 757 | .name = "ab8500-poweron-key", |
| 758 | .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), |
| 759 | .resources = ab8500_poweronkey_db_resources, |
| 760 | }, |
| 761 | { |
Arun Murthy | f0f05b1 | 2010-09-06 12:24:52 +0530 | [diff] [blame] | 762 | .name = "ab8500-pwm", |
| 763 | .id = 1, |
| 764 | }, |
| 765 | { |
| 766 | .name = "ab8500-pwm", |
| 767 | .id = 2, |
| 768 | }, |
| 769 | { |
| 770 | .name = "ab8500-pwm", |
| 771 | .id = 3, |
| 772 | }, |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 773 | { .name = "ab8500-leds", }, |
Sundar R Iyer | 7768651 | 2010-09-05 12:18:47 -0700 | [diff] [blame] | 774 | { |
Mattias Wallin | e098aded7 | 2010-12-02 15:40:31 +0100 | [diff] [blame] | 775 | .name = "ab8500-denc", |
| 776 | }, |
| 777 | { |
| 778 | .name = "ab8500-temp", |
| 779 | .num_resources = ARRAY_SIZE(ab8500_temp_resources), |
| 780 | .resources = ab8500_temp_resources, |
Sundar R Iyer | 7768651 | 2010-09-05 12:18:47 -0700 | [diff] [blame] | 781 | }, |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 782 | }; |
| 783 | |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 784 | static ssize_t show_chip_id(struct device *dev, |
| 785 | struct device_attribute *attr, char *buf) |
| 786 | { |
| 787 | struct ab8500 *ab8500; |
| 788 | |
| 789 | ab8500 = dev_get_drvdata(dev); |
| 790 | return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL); |
| 791 | } |
| 792 | |
Mattias Wallin | e5c238c | 2011-03-02 11:52:36 +0100 | [diff] [blame] | 793 | /* |
| 794 | * ab8500 has switched off due to (SWITCH_OFF_STATUS): |
| 795 | * 0x01 Swoff bit programming |
| 796 | * 0x02 Thermal protection activation |
| 797 | * 0x04 Vbat lower then BattOk falling threshold |
| 798 | * 0x08 Watchdog expired |
| 799 | * 0x10 Non presence of 32kHz clock |
| 800 | * 0x20 Battery level lower than power on reset threshold |
| 801 | * 0x40 Power on key 1 pressed longer than 10 seconds |
| 802 | * 0x80 DB8500 thermal shutdown |
| 803 | */ |
| 804 | static ssize_t show_switch_off_status(struct device *dev, |
| 805 | struct device_attribute *attr, char *buf) |
| 806 | { |
| 807 | int ret; |
| 808 | u8 value; |
| 809 | struct ab8500 *ab8500; |
| 810 | |
| 811 | ab8500 = dev_get_drvdata(dev); |
| 812 | ret = get_register_interruptible(ab8500, AB8500_RTC, |
| 813 | AB8500_SWITCH_OFF_STATUS, &value); |
| 814 | if (ret < 0) |
| 815 | return ret; |
| 816 | return sprintf(buf, "%#x\n", value); |
| 817 | } |
| 818 | |
Andrew Lynn | b4a3103 | 2011-10-11 10:49:47 +0200 | [diff] [blame] | 819 | /* |
| 820 | * ab8500 has turned on due to (TURN_ON_STATUS): |
| 821 | * 0x01 PORnVbat |
| 822 | * 0x02 PonKey1dbF |
| 823 | * 0x04 PonKey2dbF |
| 824 | * 0x08 RTCAlarm |
| 825 | * 0x10 MainChDet |
| 826 | * 0x20 VbusDet |
| 827 | * 0x40 UsbIDDetect |
| 828 | * 0x80 Reserved |
| 829 | */ |
| 830 | static ssize_t show_turn_on_status(struct device *dev, |
| 831 | struct device_attribute *attr, char *buf) |
| 832 | { |
| 833 | int ret; |
| 834 | u8 value; |
| 835 | struct ab8500 *ab8500; |
| 836 | |
| 837 | ab8500 = dev_get_drvdata(dev); |
| 838 | ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, |
| 839 | AB8500_TURN_ON_STATUS, &value); |
| 840 | if (ret < 0) |
| 841 | return ret; |
| 842 | return sprintf(buf, "%#x\n", value); |
| 843 | } |
| 844 | |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 845 | static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); |
Mattias Wallin | e5c238c | 2011-03-02 11:52:36 +0100 | [diff] [blame] | 846 | static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); |
Andrew Lynn | b4a3103 | 2011-10-11 10:49:47 +0200 | [diff] [blame] | 847 | static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 848 | |
| 849 | static struct attribute *ab8500_sysfs_entries[] = { |
| 850 | &dev_attr_chip_id.attr, |
Mattias Wallin | e5c238c | 2011-03-02 11:52:36 +0100 | [diff] [blame] | 851 | &dev_attr_switch_off_status.attr, |
Andrew Lynn | b4a3103 | 2011-10-11 10:49:47 +0200 | [diff] [blame] | 852 | &dev_attr_turn_on_status.attr, |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 853 | NULL, |
| 854 | }; |
| 855 | |
| 856 | static struct attribute_group ab8500_attr_group = { |
| 857 | .attrs = ab8500_sysfs_entries, |
| 858 | }; |
| 859 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 860 | int __devinit ab8500_init(struct ab8500 *ab8500) |
| 861 | { |
| 862 | struct ab8500_platform_data *plat = dev_get_platdata(ab8500->dev); |
| 863 | int ret; |
| 864 | int i; |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 865 | u8 value; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 866 | |
| 867 | if (plat) |
| 868 | ab8500->irq_base = plat->irq_base; |
| 869 | |
| 870 | mutex_init(&ab8500->lock); |
| 871 | mutex_init(&ab8500->irq_lock); |
| 872 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 873 | ret = get_register_interruptible(ab8500, AB8500_MISC, |
| 874 | AB8500_REV_REG, &value); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 875 | if (ret < 0) |
| 876 | return ret; |
| 877 | |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 878 | switch (value) { |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 879 | case AB8500_CUT1P0: |
| 880 | case AB8500_CUT1P1: |
| 881 | case AB8500_CUT2P0: |
| 882 | case AB8500_CUT3P0: |
Mattias Wallin | 0e9049e | 2011-10-11 10:49:32 +0200 | [diff] [blame] | 883 | case AB8500_CUT3P3: |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 884 | dev_info(ab8500->dev, "detected chip, revision: %#x\n", value); |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 885 | break; |
| 886 | default: |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 887 | dev_err(ab8500->dev, "unknown chip, revision: %#x\n", value); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 888 | return -EINVAL; |
| 889 | } |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 890 | ab8500->chip_id = value; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 891 | |
Mattias Wallin | e5c238c | 2011-03-02 11:52:36 +0100 | [diff] [blame] | 892 | /* |
| 893 | * ab8500 has switched off due to (SWITCH_OFF_STATUS): |
| 894 | * 0x01 Swoff bit programming |
| 895 | * 0x02 Thermal protection activation |
| 896 | * 0x04 Vbat lower then BattOk falling threshold |
| 897 | * 0x08 Watchdog expired |
| 898 | * 0x10 Non presence of 32kHz clock |
| 899 | * 0x20 Battery level lower than power on reset threshold |
| 900 | * 0x40 Power on key 1 pressed longer than 10 seconds |
| 901 | * 0x80 DB8500 thermal shutdown |
| 902 | */ |
| 903 | |
| 904 | ret = get_register_interruptible(ab8500, AB8500_RTC, |
| 905 | AB8500_SWITCH_OFF_STATUS, &value); |
| 906 | if (ret < 0) |
| 907 | return ret; |
| 908 | dev_info(ab8500->dev, "switch off status: %#x", value); |
| 909 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 910 | if (plat && plat->init) |
| 911 | plat->init(ab8500); |
| 912 | |
| 913 | /* Clear and mask all interrupts */ |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 914 | for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) { |
Linus Walleij | 863dde5 | 2011-05-08 00:54:45 +0200 | [diff] [blame] | 915 | /* Interrupt register 12 doesn't exist prior to version 2.0 */ |
| 916 | if (ab8500_irq_regoffset[i] == 11 && |
| 917 | ab8500->chip_id < AB8500_CUT2P0) |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 918 | continue; |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 919 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 920 | get_register_interruptible(ab8500, AB8500_INTERRUPT, |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 921 | AB8500_IT_LATCH1_REG + ab8500_irq_regoffset[i], |
| 922 | &value); |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 923 | set_register_interruptible(ab8500, AB8500_INTERRUPT, |
Mattias Wallin | 92d50a4 | 2010-12-07 11:20:47 +0100 | [diff] [blame] | 924 | AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i], 0xff); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 925 | } |
| 926 | |
Mattias Wallin | 47c1697 | 2010-09-10 17:47:56 +0200 | [diff] [blame] | 927 | ret = abx500_register_ops(ab8500->dev, &ab8500_ops); |
| 928 | if (ret) |
| 929 | return ret; |
| 930 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 931 | for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) |
| 932 | ab8500->mask[i] = ab8500->oldmask[i] = 0xff; |
| 933 | |
| 934 | if (ab8500->irq_base) { |
| 935 | ret = ab8500_irq_init(ab8500); |
| 936 | if (ret) |
| 937 | return ret; |
| 938 | |
| 939 | ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq, |
Mattias Wallin | 4f07998 | 2010-12-02 15:10:27 +0100 | [diff] [blame] | 940 | IRQF_ONESHOT | IRQF_NO_SUSPEND, |
| 941 | "ab8500", ab8500); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 942 | if (ret) |
| 943 | goto out_removeirq; |
| 944 | } |
| 945 | |
Sundar R Iyer | 549931f | 2010-07-13 11:51:28 +0530 | [diff] [blame] | 946 | ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 947 | ARRAY_SIZE(ab8500_devs), NULL, |
| 948 | ab8500->irq_base); |
| 949 | if (ret) |
| 950 | goto out_freeirq; |
| 951 | |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 952 | ret = sysfs_create_group(&ab8500->dev->kobj, &ab8500_attr_group); |
| 953 | if (ret) |
| 954 | dev_err(ab8500->dev, "error creating sysfs entries\n"); |
| 955 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 956 | return ret; |
| 957 | |
| 958 | out_freeirq: |
Linus Walleij | a60e8df | 2012-02-20 21:42:03 +0100 | [diff] [blame] | 959 | if (ab8500->irq_base) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 960 | free_irq(ab8500->irq, ab8500); |
| 961 | out_removeirq: |
Linus Walleij | a60e8df | 2012-02-20 21:42:03 +0100 | [diff] [blame] | 962 | if (ab8500->irq_base) |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 963 | ab8500_irq_remove(ab8500); |
Linus Walleij | a60e8df | 2012-02-20 21:42:03 +0100 | [diff] [blame] | 964 | |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 965 | return ret; |
| 966 | } |
| 967 | |
| 968 | int __devexit ab8500_exit(struct ab8500 *ab8500) |
| 969 | { |
Mattias Wallin | cca69b6 | 2010-12-02 15:09:36 +0100 | [diff] [blame] | 970 | sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 971 | mfd_remove_devices(ab8500->dev); |
| 972 | if (ab8500->irq_base) { |
| 973 | free_irq(ab8500->irq, ab8500); |
| 974 | ab8500_irq_remove(ab8500); |
| 975 | } |
| 976 | |
| 977 | return 0; |
| 978 | } |
| 979 | |
Mattias Wallin | adceed6 | 2011-03-02 11:51:11 +0100 | [diff] [blame] | 980 | MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent"); |
Rabin Vincent | 6257926 | 2010-05-19 11:39:02 +0200 | [diff] [blame] | 981 | MODULE_DESCRIPTION("AB8500 MFD core"); |
| 982 | MODULE_LICENSE("GPL v2"); |