blob: ca6bd1c8bd3f7563a6b4a0fd060d11bcc4966383 [file] [log] [blame]
Rabin Vincent62579262010-05-19 11:39:02 +02001/*
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 Wallinadceed62011-03-02 11:51:11 +01007 * Author: Mattias Wallin <mattias.wallin@stericsson.com>
Rabin Vincent62579262010-05-19 11:39:02 +02008 */
9
10#include <linux/kernel.h>
11#include <linux/slab.h>
12#include <linux/init.h>
13#include <linux/irq.h>
Lee Jones06e589e2012-06-20 13:56:37 +010014#include <linux/irqdomain.h>
Rabin Vincent62579262010-05-19 11:39:02 +020015#include <linux/delay.h>
16#include <linux/interrupt.h>
17#include <linux/module.h>
18#include <linux/platform_device.h>
19#include <linux/mfd/core.h>
Mattias Wallin47c16972010-09-10 17:47:56 +020020#include <linux/mfd/abx500.h>
Linus Walleijee66e652011-12-02 14:16:33 +010021#include <linux/mfd/abx500/ab8500.h>
Lee Jones00441b52013-01-09 10:06:03 +000022#include <linux/mfd/abx500/ab8500-bm.h>
Lee Jonesd28f1db2012-05-19 17:21:37 +020023#include <linux/mfd/dbx500-prcmu.h>
Sundar R Iyer549931f2010-07-13 11:51:28 +053024#include <linux/regulator/ab8500.h>
Lee Jones6bc4a562012-05-17 14:45:13 +010025#include <linux/of.h>
26#include <linux/of_device.h>
Rabin Vincent62579262010-05-19 11:39:02 +020027
28/*
29 * Interrupt register offsets
30 * Bank : 0x0E
31 */
Mattias Wallin47c16972010-09-10 17:47:56 +020032#define AB8500_IT_SOURCE1_REG 0x00
33#define AB8500_IT_SOURCE2_REG 0x01
34#define AB8500_IT_SOURCE3_REG 0x02
35#define AB8500_IT_SOURCE4_REG 0x03
36#define AB8500_IT_SOURCE5_REG 0x04
37#define AB8500_IT_SOURCE6_REG 0x05
38#define AB8500_IT_SOURCE7_REG 0x06
39#define AB8500_IT_SOURCE8_REG 0x07
Linus Walleijd6255522012-02-20 21:42:24 +010040#define AB9540_IT_SOURCE13_REG 0x0C
Mattias Wallin47c16972010-09-10 17:47:56 +020041#define AB8500_IT_SOURCE19_REG 0x12
42#define AB8500_IT_SOURCE20_REG 0x13
43#define AB8500_IT_SOURCE21_REG 0x14
44#define AB8500_IT_SOURCE22_REG 0x15
45#define AB8500_IT_SOURCE23_REG 0x16
46#define AB8500_IT_SOURCE24_REG 0x17
Rabin Vincent62579262010-05-19 11:39:02 +020047
48/*
49 * latch registers
50 */
Mattias Wallin47c16972010-09-10 17:47:56 +020051#define AB8500_IT_LATCH1_REG 0x20
52#define AB8500_IT_LATCH2_REG 0x21
53#define AB8500_IT_LATCH3_REG 0x22
54#define AB8500_IT_LATCH4_REG 0x23
55#define AB8500_IT_LATCH5_REG 0x24
56#define AB8500_IT_LATCH6_REG 0x25
57#define AB8500_IT_LATCH7_REG 0x26
58#define AB8500_IT_LATCH8_REG 0x27
59#define AB8500_IT_LATCH9_REG 0x28
60#define AB8500_IT_LATCH10_REG 0x29
Mattias Wallin92d50a42010-12-07 11:20:47 +010061#define AB8500_IT_LATCH12_REG 0x2B
Linus Walleijd6255522012-02-20 21:42:24 +010062#define AB9540_IT_LATCH13_REG 0x2C
Mattias Wallin47c16972010-09-10 17:47:56 +020063#define AB8500_IT_LATCH19_REG 0x32
64#define AB8500_IT_LATCH20_REG 0x33
65#define AB8500_IT_LATCH21_REG 0x34
66#define AB8500_IT_LATCH22_REG 0x35
67#define AB8500_IT_LATCH23_REG 0x36
68#define AB8500_IT_LATCH24_REG 0x37
Rabin Vincent62579262010-05-19 11:39:02 +020069
70/*
71 * mask registers
72 */
73
Mattias Wallin47c16972010-09-10 17:47:56 +020074#define AB8500_IT_MASK1_REG 0x40
75#define AB8500_IT_MASK2_REG 0x41
76#define AB8500_IT_MASK3_REG 0x42
77#define AB8500_IT_MASK4_REG 0x43
78#define AB8500_IT_MASK5_REG 0x44
79#define AB8500_IT_MASK6_REG 0x45
80#define AB8500_IT_MASK7_REG 0x46
81#define AB8500_IT_MASK8_REG 0x47
82#define AB8500_IT_MASK9_REG 0x48
83#define AB8500_IT_MASK10_REG 0x49
84#define AB8500_IT_MASK11_REG 0x4A
85#define AB8500_IT_MASK12_REG 0x4B
86#define AB8500_IT_MASK13_REG 0x4C
87#define AB8500_IT_MASK14_REG 0x4D
88#define AB8500_IT_MASK15_REG 0x4E
89#define AB8500_IT_MASK16_REG 0x4F
90#define AB8500_IT_MASK17_REG 0x50
91#define AB8500_IT_MASK18_REG 0x51
92#define AB8500_IT_MASK19_REG 0x52
93#define AB8500_IT_MASK20_REG 0x53
94#define AB8500_IT_MASK21_REG 0x54
95#define AB8500_IT_MASK22_REG 0x55
96#define AB8500_IT_MASK23_REG 0x56
97#define AB8500_IT_MASK24_REG 0x57
Lee Jonesa29264b2013-02-25 14:34:26 +000098#define AB8500_IT_MASK25_REG 0x58
Rabin Vincent62579262010-05-19 11:39:02 +020099
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200100/*
101 * latch hierarchy registers
102 */
103#define AB8500_IT_LATCHHIER1_REG 0x60
104#define AB8500_IT_LATCHHIER2_REG 0x61
105#define AB8500_IT_LATCHHIER3_REG 0x62
Lee Jones3e1a4982013-02-25 14:57:35 +0000106#define AB8540_IT_LATCHHIER4_REG 0x63
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200107
108#define AB8500_IT_LATCHHIER_NUM 3
Lee Jones3e1a4982013-02-25 14:57:35 +0000109#define AB8540_IT_LATCHHIER_NUM 4
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200110
Mattias Wallin47c16972010-09-10 17:47:56 +0200111#define AB8500_REV_REG 0x80
Linus Walleij0f6208372012-02-20 21:42:10 +0100112#define AB8500_IC_NAME_REG 0x82
Mattias Walline5c238c2011-03-02 11:52:36 +0100113#define AB8500_SWITCH_OFF_STATUS 0x00
Rabin Vincent62579262010-05-19 11:39:02 +0200114
Andrew Lynnb4a31032011-10-11 10:49:47 +0200115#define AB8500_TURN_ON_STATUS 0x00
Lee Jones93ff7222012-05-31 16:16:36 +0200116#define AB8505_TURN_ON_STATUS_2 0x04
Andrew Lynnb4a31032011-10-11 10:49:47 +0200117
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +0530118#define AB8500_CH_USBCH_STAT1_REG 0x02
119#define VBUS_DET_DBNC100 0x02
120#define VBUS_DET_DBNC1 0x01
121
122static DEFINE_SPINLOCK(on_stat_lock);
123static u8 turn_on_stat_mask = 0xFF;
124static u8 turn_on_stat_set;
Rickard Andersson6ef94182012-04-17 09:30:57 +0200125static bool no_bm; /* No battery management */
126module_param(no_bm, bool, S_IRUGO);
127
Linus Walleijd6255522012-02-20 21:42:24 +0100128#define AB9540_MODEM_CTRL2_REG 0x23
129#define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2)
130
Rabin Vincent62579262010-05-19 11:39:02 +0200131/*
132 * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
Linus Walleij2ced4452012-02-20 21:42:17 +0100133 * numbers are indexed into this array with (num / 8). The interupts are
134 * defined in linux/mfd/ab8500.h
Rabin Vincent62579262010-05-19 11:39:02 +0200135 *
136 * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
137 * offset 0.
138 */
Linus Walleij2ced4452012-02-20 21:42:17 +0100139/* AB8500 support */
Rabin Vincent62579262010-05-19 11:39:02 +0200140static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
Mattias Wallin92d50a42010-12-07 11:20:47 +0100141 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
Rabin Vincent62579262010-05-19 11:39:02 +0200142};
143
Lee Jonesa29264b2013-02-25 14:34:26 +0000144/* AB9540 / AB8505 support */
Linus Walleijd6255522012-02-20 21:42:24 +0100145static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = {
Lee Jonesa29264b2013-02-25 14:34:26 +0000146 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23
Linus Walleijd6255522012-02-20 21:42:24 +0100147};
148
Lee Jones3e1a4982013-02-25 14:57:35 +0000149/* AB8540 support */
150static const int ab8540_irq_regoffset[AB8540_NUM_IRQ_REGS] = {
151 0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23,
152 25, 26, 27, 28, 29, 30, 31,
153};
154
Linus Walleij0f6208372012-02-20 21:42:10 +0100155static const char ab8500_version_str[][7] = {
156 [AB8500_VERSION_AB8500] = "AB8500",
157 [AB8500_VERSION_AB8505] = "AB8505",
158 [AB8500_VERSION_AB9540] = "AB9540",
159 [AB8500_VERSION_AB8540] = "AB8540",
160};
161
Lee Jones822672a2012-06-20 13:56:38 +0100162static int ab8500_prcmu_write(struct ab8500 *ab8500, u16 addr, u8 data)
Lee Jonesd28f1db2012-05-19 17:21:37 +0200163{
164 int ret;
165
166 ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
167 if (ret < 0)
168 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
169 return ret;
170}
171
Lee Jones822672a2012-06-20 13:56:38 +0100172static int ab8500_prcmu_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask,
Lee Jonesd28f1db2012-05-19 17:21:37 +0200173 u8 data)
174{
175 int ret;
176
177 ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data,
178 &mask, 1);
179 if (ret < 0)
180 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
181 return ret;
182}
183
Lee Jones822672a2012-06-20 13:56:38 +0100184static int ab8500_prcmu_read(struct ab8500 *ab8500, u16 addr)
Lee Jonesd28f1db2012-05-19 17:21:37 +0200185{
186 int ret;
187 u8 data;
188
189 ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
190 if (ret < 0) {
191 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
192 return ret;
193 }
194 return (int)data;
195}
196
Mattias Wallin47c16972010-09-10 17:47:56 +0200197static int ab8500_get_chip_id(struct device *dev)
198{
Mattias Wallin6bce7bf2010-12-02 15:08:32 +0100199 struct ab8500 *ab8500;
200
201 if (!dev)
202 return -EINVAL;
203 ab8500 = dev_get_drvdata(dev->parent);
204 return ab8500 ? (int)ab8500->chip_id : -EINVAL;
Mattias Wallin47c16972010-09-10 17:47:56 +0200205}
206
207static int set_register_interruptible(struct ab8500 *ab8500, u8 bank,
208 u8 reg, u8 data)
Rabin Vincent62579262010-05-19 11:39:02 +0200209{
210 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200211 /*
212 * Put the u8 bank and u8 register together into a an u16.
213 * The bank on higher 8 bits and register in lower 8 bits.
214 * */
215 u16 addr = ((u16)bank) << 8 | reg;
Rabin Vincent62579262010-05-19 11:39:02 +0200216
217 dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data);
218
Rabin Vincent392cbd12012-03-08 14:01:46 +0100219 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200220
221 ret = ab8500->write(ab8500, addr, data);
222 if (ret < 0)
223 dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
224 addr, ret);
225 mutex_unlock(&ab8500->lock);
226
227 return ret;
228}
229
230static int ab8500_set_register(struct device *dev, u8 bank,
231 u8 reg, u8 value)
232{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200233 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200234 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
235
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200236 atomic_inc(&ab8500->transfer_ongoing);
237 ret = set_register_interruptible(ab8500, bank, reg, value);
238 atomic_dec(&ab8500->transfer_ongoing);
239 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200240}
241
242static int get_register_interruptible(struct ab8500 *ab8500, u8 bank,
243 u8 reg, u8 *value)
244{
245 int ret;
246 /* put the u8 bank and u8 reg together into a an u16.
247 * bank on higher 8 bits and reg in lower */
248 u16 addr = ((u16)bank) << 8 | reg;
249
Rabin Vincent392cbd12012-03-08 14:01:46 +0100250 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200251
252 ret = ab8500->read(ab8500, addr);
253 if (ret < 0)
254 dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
255 addr, ret);
256 else
257 *value = ret;
258
259 mutex_unlock(&ab8500->lock);
260 dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
261
262 return ret;
263}
264
265static int ab8500_get_register(struct device *dev, u8 bank,
266 u8 reg, u8 *value)
267{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200268 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200269 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
270
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200271 atomic_inc(&ab8500->transfer_ongoing);
272 ret = get_register_interruptible(ab8500, bank, reg, value);
273 atomic_dec(&ab8500->transfer_ongoing);
274 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200275}
276
277static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank,
278 u8 reg, u8 bitmask, u8 bitvalues)
279{
280 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200281 /* put the u8 bank and u8 reg together into a an u16.
282 * bank on higher 8 bits and reg in lower */
283 u16 addr = ((u16)bank) << 8 | reg;
284
Rabin Vincent392cbd12012-03-08 14:01:46 +0100285 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200286
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100287 if (ab8500->write_masked == NULL) {
288 u8 data;
289
290 ret = ab8500->read(ab8500, addr);
291 if (ret < 0) {
292 dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
293 addr, ret);
294 goto out;
295 }
296
297 data = (u8)ret;
298 data = (~bitmask & data) | (bitmask & bitvalues);
299
300 ret = ab8500->write(ab8500, addr, data);
301 if (ret < 0)
302 dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
303 addr, ret);
304
305 dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr,
306 data);
Mattias Wallin47c16972010-09-10 17:47:56 +0200307 goto out;
308 }
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100309 ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues);
Rabin Vincent62579262010-05-19 11:39:02 +0200310 if (ret < 0)
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100311 dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr,
312 ret);
Rabin Vincent62579262010-05-19 11:39:02 +0200313out:
314 mutex_unlock(&ab8500->lock);
315 return ret;
316}
Mattias Wallin47c16972010-09-10 17:47:56 +0200317
318static int ab8500_mask_and_set_register(struct device *dev,
319 u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
320{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200321 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200322 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
323
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200324 atomic_inc(&ab8500->transfer_ongoing);
325 ret= mask_and_set_register_interruptible(ab8500, bank, reg,
326 bitmask, bitvalues);
327 atomic_dec(&ab8500->transfer_ongoing);
328 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200329}
330
331static struct abx500_ops ab8500_ops = {
332 .get_chip_id = ab8500_get_chip_id,
333 .get_register = ab8500_get_register,
334 .set_register = ab8500_set_register,
335 .get_register_page = NULL,
336 .set_register_page = NULL,
337 .mask_and_set_register = ab8500_mask_and_set_register,
338 .event_registers_startup_state_get = NULL,
339 .startup_irq_enabled = NULL,
Mian Yousaf Kaukab1d843a62012-01-27 11:35:41 +0100340 .dump_all_banks = ab8500_dump_all_banks,
Mattias Wallin47c16972010-09-10 17:47:56 +0200341};
Rabin Vincent62579262010-05-19 11:39:02 +0200342
Mark Brown9505a0a2010-12-11 13:16:08 +0000343static void ab8500_irq_lock(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200344{
Mark Brown9505a0a2010-12-11 13:16:08 +0000345 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Rabin Vincent62579262010-05-19 11:39:02 +0200346
347 mutex_lock(&ab8500->irq_lock);
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200348 atomic_inc(&ab8500->transfer_ongoing);
Rabin Vincent62579262010-05-19 11:39:02 +0200349}
350
Mark Brown9505a0a2010-12-11 13:16:08 +0000351static void ab8500_irq_sync_unlock(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200352{
Mark Brown9505a0a2010-12-11 13:16:08 +0000353 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Rabin Vincent62579262010-05-19 11:39:02 +0200354 int i;
355
Linus Walleij2ced4452012-02-20 21:42:17 +0100356 for (i = 0; i < ab8500->mask_size; i++) {
Rabin Vincent62579262010-05-19 11:39:02 +0200357 u8 old = ab8500->oldmask[i];
358 u8 new = ab8500->mask[i];
359 int reg;
360
361 if (new == old)
362 continue;
363
Linus Walleij0f6208372012-02-20 21:42:10 +0100364 /*
365 * Interrupt register 12 doesn't exist prior to AB8500 version
366 * 2.0
367 */
368 if (ab8500->irq_reg_offset[i] == 11 &&
369 is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +0100370 continue;
371
Lee Jones3e1a4982013-02-25 14:57:35 +0000372 if (ab8500->irq_reg_offset[i] < 0)
373 continue;
374
Rabin Vincent62579262010-05-19 11:39:02 +0200375 ab8500->oldmask[i] = new;
376
Linus Walleij2ced4452012-02-20 21:42:17 +0100377 reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i];
Mattias Wallin47c16972010-09-10 17:47:56 +0200378 set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new);
Rabin Vincent62579262010-05-19 11:39:02 +0200379 }
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200380 atomic_dec(&ab8500->transfer_ongoing);
Rabin Vincent62579262010-05-19 11:39:02 +0200381 mutex_unlock(&ab8500->irq_lock);
382}
383
Mark Brown9505a0a2010-12-11 13:16:08 +0000384static void ab8500_irq_mask(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200385{
Mark Brown9505a0a2010-12-11 13:16:08 +0000386 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Lee Jones06e589e2012-06-20 13:56:37 +0100387 int offset = data->hwirq;
Rabin Vincent62579262010-05-19 11:39:02 +0200388 int index = offset / 8;
389 int mask = 1 << (offset % 8);
390
391 ab8500->mask[index] |= mask;
Lee Jones9c677b92012-12-20 11:23:42 +0000392
393 /* The AB8500 GPIOs have two interrupts each (rising & falling). */
394 if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R)
395 ab8500->mask[index + 2] |= mask;
396 if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)
397 ab8500->mask[index + 1] |= mask;
398 if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)
Linus Walleije2ddf462013-02-06 21:54:34 +0100399 /* Here the falling IRQ is one bit lower */
400 ab8500->mask[index] |= (mask << 1);
Rabin Vincent62579262010-05-19 11:39:02 +0200401}
402
Mark Brown9505a0a2010-12-11 13:16:08 +0000403static void ab8500_irq_unmask(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200404{
Mark Brown9505a0a2010-12-11 13:16:08 +0000405 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Lee Jones9c677b92012-12-20 11:23:42 +0000406 unsigned int type = irqd_get_trigger_type(data);
Lee Jones06e589e2012-06-20 13:56:37 +0100407 int offset = data->hwirq;
Rabin Vincent62579262010-05-19 11:39:02 +0200408 int index = offset / 8;
409 int mask = 1 << (offset % 8);
410
Lee Jones9c677b92012-12-20 11:23:42 +0000411 if (type & IRQ_TYPE_EDGE_RISING)
412 ab8500->mask[index] &= ~mask;
413
414 /* The AB8500 GPIOs have two interrupts each (rising & falling). */
415 if (type & IRQ_TYPE_EDGE_FALLING) {
416 if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R)
417 ab8500->mask[index + 2] &= ~mask;
418 else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)
419 ab8500->mask[index + 1] &= ~mask;
420 else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)
Linus Walleije2ddf462013-02-06 21:54:34 +0100421 /* Here the falling IRQ is one bit lower */
422 ab8500->mask[index] &= ~(mask << 1);
Lee Jones9c677b92012-12-20 11:23:42 +0000423 else
424 ab8500->mask[index] &= ~mask;
Linus Walleije2ddf462013-02-06 21:54:34 +0100425 } else {
Lee Jones9c677b92012-12-20 11:23:42 +0000426 /* Satisfies the case where type is not set. */
427 ab8500->mask[index] &= ~mask;
Linus Walleije2ddf462013-02-06 21:54:34 +0100428 }
Rabin Vincent62579262010-05-19 11:39:02 +0200429}
430
Lee Jones40f6e5a2013-01-07 12:23:48 +0000431static int ab8500_irq_set_type(struct irq_data *data, unsigned int type)
432{
433 return 0;
Rabin Vincent62579262010-05-19 11:39:02 +0200434}
435
436static struct irq_chip ab8500_irq_chip = {
437 .name = "ab8500",
Mark Brown9505a0a2010-12-11 13:16:08 +0000438 .irq_bus_lock = ab8500_irq_lock,
439 .irq_bus_sync_unlock = ab8500_irq_sync_unlock,
440 .irq_mask = ab8500_irq_mask,
Virupax Sadashivpetimathe6f93062011-10-11 10:49:17 +0200441 .irq_disable = ab8500_irq_mask,
Mark Brown9505a0a2010-12-11 13:16:08 +0000442 .irq_unmask = ab8500_irq_unmask,
Lee Jones40f6e5a2013-01-07 12:23:48 +0000443 .irq_set_type = ab8500_irq_set_type,
Rabin Vincent62579262010-05-19 11:39:02 +0200444};
445
Lee Jones3e1a4982013-02-25 14:57:35 +0000446static void update_latch_offset(u8 *offset, int i)
447{
448 /* Fix inconsistent ITFromLatch25 bit mapping... */
449 if (unlikely(*offset == 17))
450 *offset = 24;
451 /* Fix inconsistent ab8540 bit mapping... */
452 if (unlikely(*offset == 16))
453 *offset = 25;
454 if ((i==3) && (*offset >= 24))
455 *offset += 2;
456}
457
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200458static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
459 int latch_offset, u8 latch_val)
460{
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100461 int int_bit, line, i;
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200462
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100463 for (i = 0; i < ab8500->mask_size; i++)
464 if (ab8500->irq_reg_offset[i] == latch_offset)
465 break;
466
467 if (i >= ab8500->mask_size) {
468 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n",
469 latch_offset);
470 return -ENXIO;
471 }
472
473 /* ignore masked out interrupts */
474 latch_val &= ~ab8500->mask[i];
475
476 while (latch_val) {
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200477 int_bit = __ffs(latch_val);
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200478 line = (i << 3) + int_bit;
479 latch_val &= ~(1 << int_bit);
480
Linus Walleije2ddf462013-02-06 21:54:34 +0100481 /*
482 * This handles the falling edge hwirqs from the GPIO
483 * lines. Route them back to the line registered for the
484 * rising IRQ, as this is merely a flag for the same IRQ
485 * in linux terms.
486 */
487 if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F)
488 line -= 16;
489 if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F)
490 line -= 8;
491 if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
492 line += 1;
493
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200494 handle_nested_irq(ab8500->irq_base + line);
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100495 }
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200496
497 return 0;
498}
499
500static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500,
501 int hier_offset, u8 hier_val)
502{
503 int latch_bit, status;
504 u8 latch_offset, latch_val;
505
506 do {
507 latch_bit = __ffs(hier_val);
508 latch_offset = (hier_offset << 3) + latch_bit;
509
Lee Jones3e1a4982013-02-25 14:57:35 +0000510 update_latch_offset(&latch_offset, hier_offset);
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200511
512 status = get_register_interruptible(ab8500,
513 AB8500_INTERRUPT,
514 AB8500_IT_LATCH1_REG + latch_offset,
515 &latch_val);
516 if (status < 0 || latch_val == 0)
517 goto discard;
518
519 status = ab8500_handle_hierarchical_line(ab8500,
520 latch_offset, latch_val);
521 if (status < 0)
522 return status;
523discard:
524 hier_val &= ~(1 << latch_bit);
525 } while (hier_val);
526
527 return 0;
528}
529
530static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
531{
532 struct ab8500 *ab8500 = dev;
533 u8 i;
534
535 dev_vdbg(ab8500->dev, "interrupt\n");
536
537 /* Hierarchical interrupt version */
Lee Jones3e1a4982013-02-25 14:57:35 +0000538 for (i = 0; i < (ab8500->it_latchhier_num); i++) {
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200539 int status;
540 u8 hier_val;
541
542 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
543 AB8500_IT_LATCHHIER1_REG + i, &hier_val);
544 if (status < 0 || hier_val == 0)
545 continue;
546
547 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val);
548 if (status < 0)
549 break;
550 }
551 return IRQ_HANDLED;
552}
553
Lee Jones06e589e2012-06-20 13:56:37 +0100554static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
555 irq_hw_number_t hwirq)
556{
557 struct ab8500 *ab8500 = d->host_data;
558
559 if (!ab8500)
560 return -EINVAL;
561
562 irq_set_chip_data(virq, ab8500);
563 irq_set_chip_and_handler(virq, &ab8500_irq_chip,
564 handle_simple_irq);
565 irq_set_nested_thread(virq, 1);
Rabin Vincent62579262010-05-19 11:39:02 +0200566#ifdef CONFIG_ARM
Lee Jones06e589e2012-06-20 13:56:37 +0100567 set_irq_flags(virq, IRQF_VALID);
Rabin Vincent62579262010-05-19 11:39:02 +0200568#else
Lee Jones06e589e2012-06-20 13:56:37 +0100569 irq_set_noprobe(virq);
Rabin Vincent62579262010-05-19 11:39:02 +0200570#endif
Rabin Vincent62579262010-05-19 11:39:02 +0200571
572 return 0;
573}
574
Lee Jones06e589e2012-06-20 13:56:37 +0100575static struct irq_domain_ops ab8500_irq_ops = {
576 .map = ab8500_irq_map,
577 .xlate = irq_domain_xlate_twocell,
578};
579
580static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
Rabin Vincent62579262010-05-19 11:39:02 +0200581{
Linus Walleij2ced4452012-02-20 21:42:17 +0100582 int num_irqs;
Rabin Vincent62579262010-05-19 11:39:02 +0200583
Lee Jones3e1a4982013-02-25 14:57:35 +0000584 if (is_ab8540(ab8500))
585 num_irqs = AB8540_NR_IRQS;
586 else if (is_ab9540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +0100587 num_irqs = AB9540_NR_IRQS;
Bengt Jonssona9823622012-03-08 14:01:57 +0100588 else if (is_ab8505(ab8500))
589 num_irqs = AB8505_NR_IRQS;
Linus Walleijd6255522012-02-20 21:42:24 +0100590 else
591 num_irqs = AB8500_NR_IRQS;
Linus Walleij2ced4452012-02-20 21:42:17 +0100592
Linus Walleijf1d11f32012-10-18 18:18:44 +0200593 /* If ->irq_base is zero this will give a linear mapping */
594 ab8500->domain = irq_domain_add_simple(NULL,
595 num_irqs, ab8500->irq_base,
596 &ab8500_irq_ops, ab8500);
Lee Jones06e589e2012-06-20 13:56:37 +0100597
598 if (!ab8500->domain) {
599 dev_err(ab8500->dev, "Failed to create irqdomain\n");
600 return -ENOSYS;
601 }
602
603 return 0;
Rabin Vincent62579262010-05-19 11:39:02 +0200604}
605
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200606int ab8500_suspend(struct ab8500 *ab8500)
607{
608 if (atomic_read(&ab8500->transfer_ongoing))
609 return -EINVAL;
610 else
611 return 0;
612}
613
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500614static struct resource ab8500_gpadc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200615 {
616 .name = "HW_CONV_END",
617 .start = AB8500_INT_GP_HW_ADC_CONV_END,
618 .end = AB8500_INT_GP_HW_ADC_CONV_END,
619 .flags = IORESOURCE_IRQ,
620 },
621 {
622 .name = "SW_CONV_END",
623 .start = AB8500_INT_GP_SW_ADC_CONV_END,
624 .end = AB8500_INT_GP_SW_ADC_CONV_END,
625 .flags = IORESOURCE_IRQ,
626 },
627};
628
Lee Jones4b106fb2013-02-25 14:42:00 +0000629static struct resource ab8505_gpadc_resources[] = {
Lee Jonesc0eda9a2013-02-12 15:04:09 +0000630 {
631 .name = "SW_CONV_END",
632 .start = AB8500_INT_GP_SW_ADC_CONV_END,
633 .end = AB8500_INT_GP_SW_ADC_CONV_END,
634 .flags = IORESOURCE_IRQ,
635 },
636};
637
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500638static struct resource ab8500_rtc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200639 {
640 .name = "60S",
641 .start = AB8500_INT_RTC_60S,
642 .end = AB8500_INT_RTC_60S,
643 .flags = IORESOURCE_IRQ,
644 },
645 {
646 .name = "ALARM",
647 .start = AB8500_INT_RTC_ALARM,
648 .end = AB8500_INT_RTC_ALARM,
649 .flags = IORESOURCE_IRQ,
650 },
651};
652
Alexandre Torgue9c717cf2013-05-24 11:59:47 +0200653static struct resource ab8540_rtc_resources[] = {
654 {
655 .name = "1S",
656 .start = AB8540_INT_RTC_1S,
657 .end = AB8540_INT_RTC_1S,
658 .flags = IORESOURCE_IRQ,
659 },
660 {
661 .name = "ALARM",
662 .start = AB8500_INT_RTC_ALARM,
663 .end = AB8500_INT_RTC_ALARM,
664 .flags = IORESOURCE_IRQ,
665 },
666};
667
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500668static struct resource ab8500_poweronkey_db_resources[] = {
Sundar R Iyer77686512010-09-05 12:18:47 -0700669 {
670 .name = "ONKEY_DBF",
671 .start = AB8500_INT_PON_KEY1DB_F,
672 .end = AB8500_INT_PON_KEY1DB_F,
673 .flags = IORESOURCE_IRQ,
674 },
675 {
676 .name = "ONKEY_DBR",
677 .start = AB8500_INT_PON_KEY1DB_R,
678 .end = AB8500_INT_PON_KEY1DB_R,
679 .flags = IORESOURCE_IRQ,
680 },
681};
682
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500683static struct resource ab8500_av_acc_detect_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100684 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200685 .name = "ACC_DETECT_1DB_F",
686 .start = AB8500_INT_ACC_DETECT_1DB_F,
687 .end = AB8500_INT_ACC_DETECT_1DB_F,
688 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100689 },
690 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200691 .name = "ACC_DETECT_1DB_R",
692 .start = AB8500_INT_ACC_DETECT_1DB_R,
693 .end = AB8500_INT_ACC_DETECT_1DB_R,
694 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100695 },
696 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200697 .name = "ACC_DETECT_21DB_F",
698 .start = AB8500_INT_ACC_DETECT_21DB_F,
699 .end = AB8500_INT_ACC_DETECT_21DB_F,
700 .flags = IORESOURCE_IRQ,
701 },
702 {
703 .name = "ACC_DETECT_21DB_R",
704 .start = AB8500_INT_ACC_DETECT_21DB_R,
705 .end = AB8500_INT_ACC_DETECT_21DB_R,
706 .flags = IORESOURCE_IRQ,
707 },
708 {
709 .name = "ACC_DETECT_22DB_F",
710 .start = AB8500_INT_ACC_DETECT_22DB_F,
711 .end = AB8500_INT_ACC_DETECT_22DB_F,
712 .flags = IORESOURCE_IRQ,
713 },
714 {
715 .name = "ACC_DETECT_22DB_R",
716 .start = AB8500_INT_ACC_DETECT_22DB_R,
717 .end = AB8500_INT_ACC_DETECT_22DB_R,
718 .flags = IORESOURCE_IRQ,
719 },
720};
721
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500722static struct resource ab8500_charger_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200723 {
Mattias Walline098aded72010-12-02 15:40:31 +0100724 .name = "MAIN_CH_UNPLUG_DET",
725 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
726 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
727 .flags = IORESOURCE_IRQ,
728 },
729 {
730 .name = "MAIN_CHARGE_PLUG_DET",
731 .start = AB8500_INT_MAIN_CH_PLUG_DET,
732 .end = AB8500_INT_MAIN_CH_PLUG_DET,
733 .flags = IORESOURCE_IRQ,
734 },
735 {
Mattias Walline098aded72010-12-02 15:40:31 +0100736 .name = "VBUS_DET_R",
737 .start = AB8500_INT_VBUS_DET_R,
738 .end = AB8500_INT_VBUS_DET_R,
739 .flags = IORESOURCE_IRQ,
740 },
741 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200742 .name = "VBUS_DET_F",
743 .start = AB8500_INT_VBUS_DET_F,
744 .end = AB8500_INT_VBUS_DET_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100745 .flags = IORESOURCE_IRQ,
746 },
747 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200748 .name = "USB_LINK_STATUS",
749 .start = AB8500_INT_USB_LINK_STATUS,
750 .end = AB8500_INT_USB_LINK_STATUS,
751 .flags = IORESOURCE_IRQ,
752 },
753 {
Mattias Walline098aded72010-12-02 15:40:31 +0100754 .name = "VBUS_OVV",
755 .start = AB8500_INT_VBUS_OVV,
756 .end = AB8500_INT_VBUS_OVV,
757 .flags = IORESOURCE_IRQ,
758 },
759 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200760 .name = "USB_CH_TH_PROT_R",
761 .start = AB8500_INT_USB_CH_TH_PROT_R,
762 .end = AB8500_INT_USB_CH_TH_PROT_R,
Mattias Walline098aded72010-12-02 15:40:31 +0100763 .flags = IORESOURCE_IRQ,
764 },
765 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200766 .name = "USB_CH_TH_PROT_F",
767 .start = AB8500_INT_USB_CH_TH_PROT_F,
768 .end = AB8500_INT_USB_CH_TH_PROT_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100769 .flags = IORESOURCE_IRQ,
770 },
771 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200772 .name = "MAIN_EXT_CH_NOT_OK",
773 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
774 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
775 .flags = IORESOURCE_IRQ,
776 },
777 {
778 .name = "MAIN_CH_TH_PROT_R",
779 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
780 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
781 .flags = IORESOURCE_IRQ,
782 },
783 {
784 .name = "MAIN_CH_TH_PROT_F",
785 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
786 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
787 .flags = IORESOURCE_IRQ,
788 },
789 {
790 .name = "USB_CHARGER_NOT_OKR",
Bengt Jonssona9823622012-03-08 14:01:57 +0100791 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
792 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
Linus Walleij6af75ec2011-06-09 23:57:45 +0200793 .flags = IORESOURCE_IRQ,
794 },
795 {
796 .name = "CH_WD_EXP",
797 .start = AB8500_INT_CH_WD_EXP,
798 .end = AB8500_INT_CH_WD_EXP,
799 .flags = IORESOURCE_IRQ,
800 },
Paer-Olof Haakansson34c11a72012-02-22 19:07:51 +0100801 {
802 .name = "VBUS_CH_DROP_END",
803 .start = AB8500_INT_VBUS_CH_DROP_END,
804 .end = AB8500_INT_VBUS_CH_DROP_END,
805 .flags = IORESOURCE_IRQ,
806 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200807};
808
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500809static struct resource ab8500_btemp_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200810 {
811 .name = "BAT_CTRL_INDB",
812 .start = AB8500_INT_BAT_CTRL_INDB,
813 .end = AB8500_INT_BAT_CTRL_INDB,
Mattias Walline098aded72010-12-02 15:40:31 +0100814 .flags = IORESOURCE_IRQ,
815 },
816 {
817 .name = "BTEMP_LOW",
818 .start = AB8500_INT_BTEMP_LOW,
819 .end = AB8500_INT_BTEMP_LOW,
820 .flags = IORESOURCE_IRQ,
821 },
822 {
823 .name = "BTEMP_HIGH",
824 .start = AB8500_INT_BTEMP_HIGH,
825 .end = AB8500_INT_BTEMP_HIGH,
826 .flags = IORESOURCE_IRQ,
827 },
828 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200829 .name = "BTEMP_LOW_MEDIUM",
830 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
831 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
Mattias Walline098aded72010-12-02 15:40:31 +0100832 .flags = IORESOURCE_IRQ,
833 },
834 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200835 .name = "BTEMP_MEDIUM_HIGH",
836 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
837 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
Mattias Walline098aded72010-12-02 15:40:31 +0100838 .flags = IORESOURCE_IRQ,
839 },
840};
841
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500842static struct resource ab8500_fg_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200843 {
844 .name = "NCONV_ACCU",
845 .start = AB8500_INT_CCN_CONV_ACC,
846 .end = AB8500_INT_CCN_CONV_ACC,
847 .flags = IORESOURCE_IRQ,
848 },
849 {
850 .name = "BATT_OVV",
851 .start = AB8500_INT_BATT_OVV,
852 .end = AB8500_INT_BATT_OVV,
853 .flags = IORESOURCE_IRQ,
854 },
855 {
856 .name = "LOW_BAT_F",
857 .start = AB8500_INT_LOW_BAT_F,
858 .end = AB8500_INT_LOW_BAT_F,
859 .flags = IORESOURCE_IRQ,
860 },
861 {
862 .name = "LOW_BAT_R",
863 .start = AB8500_INT_LOW_BAT_R,
864 .end = AB8500_INT_LOW_BAT_R,
865 .flags = IORESOURCE_IRQ,
866 },
867 {
868 .name = "CC_INT_CALIB",
869 .start = AB8500_INT_CC_INT_CALIB,
870 .end = AB8500_INT_CC_INT_CALIB,
871 .flags = IORESOURCE_IRQ,
872 },
Bengt Jonssona9823622012-03-08 14:01:57 +0100873 {
874 .name = "CCEOC",
875 .start = AB8500_INT_CCEOC,
876 .end = AB8500_INT_CCEOC,
877 .flags = IORESOURCE_IRQ,
878 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200879};
880
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500881static struct resource ab8500_chargalg_resources[] = {};
Linus Walleij6af75ec2011-06-09 23:57:45 +0200882
Axel Lindf720642011-11-10 09:56:18 +0800883#ifdef CONFIG_DEBUG_FS
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500884static struct resource ab8500_debug_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100885 {
Linus Walleij69991812013-04-12 17:02:09 +0200886 .name = "IRQ_AB8500",
887 /*
888 * Number will be filled in. NOTE: this is deliberately
889 * not flagged as an IRQ in ordet to avoid remapping using
890 * the irqdomain in the MFD core, so that this IRQ passes
891 * unremapped to the debug code.
892 */
893 },
894 {
Mattias Walline098aded72010-12-02 15:40:31 +0100895 .name = "IRQ_FIRST",
896 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
897 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
898 .flags = IORESOURCE_IRQ,
899 },
900 {
901 .name = "IRQ_LAST",
Bengt Jonssona9823622012-03-08 14:01:57 +0100902 .start = AB8500_INT_XTAL32K_KO,
903 .end = AB8500_INT_XTAL32K_KO,
Mattias Walline098aded72010-12-02 15:40:31 +0100904 .flags = IORESOURCE_IRQ,
905 },
906};
Axel Lindf720642011-11-10 09:56:18 +0800907#endif
Mattias Walline098aded72010-12-02 15:40:31 +0100908
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500909static struct resource ab8500_usb_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100910 {
911 .name = "ID_WAKEUP_R",
912 .start = AB8500_INT_ID_WAKEUP_R,
913 .end = AB8500_INT_ID_WAKEUP_R,
914 .flags = IORESOURCE_IRQ,
915 },
916 {
917 .name = "ID_WAKEUP_F",
918 .start = AB8500_INT_ID_WAKEUP_F,
919 .end = AB8500_INT_ID_WAKEUP_F,
920 .flags = IORESOURCE_IRQ,
921 },
922 {
923 .name = "VBUS_DET_F",
924 .start = AB8500_INT_VBUS_DET_F,
925 .end = AB8500_INT_VBUS_DET_F,
926 .flags = IORESOURCE_IRQ,
927 },
928 {
929 .name = "VBUS_DET_R",
930 .start = AB8500_INT_VBUS_DET_R,
931 .end = AB8500_INT_VBUS_DET_R,
932 .flags = IORESOURCE_IRQ,
933 },
Mattias Wallin92d50a42010-12-07 11:20:47 +0100934 {
935 .name = "USB_LINK_STATUS",
936 .start = AB8500_INT_USB_LINK_STATUS,
937 .end = AB8500_INT_USB_LINK_STATUS,
938 .flags = IORESOURCE_IRQ,
939 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200940 {
941 .name = "USB_ADP_PROBE_PLUG",
942 .start = AB8500_INT_ADP_PROBE_PLUG,
943 .end = AB8500_INT_ADP_PROBE_PLUG,
944 .flags = IORESOURCE_IRQ,
945 },
946 {
947 .name = "USB_ADP_PROBE_UNPLUG",
948 .start = AB8500_INT_ADP_PROBE_UNPLUG,
949 .end = AB8500_INT_ADP_PROBE_UNPLUG,
950 .flags = IORESOURCE_IRQ,
951 },
Mattias Walline098aded72010-12-02 15:40:31 +0100952};
953
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500954static struct resource ab8505_iddet_resources[] = {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +0200955 {
956 .name = "KeyDeglitch",
957 .start = AB8505_INT_KEYDEGLITCH,
958 .end = AB8505_INT_KEYDEGLITCH,
959 .flags = IORESOURCE_IRQ,
960 },
961 {
962 .name = "KP",
963 .start = AB8505_INT_KP,
964 .end = AB8505_INT_KP,
965 .flags = IORESOURCE_IRQ,
966 },
967 {
968 .name = "IKP",
969 .start = AB8505_INT_IKP,
970 .end = AB8505_INT_IKP,
971 .flags = IORESOURCE_IRQ,
972 },
973 {
974 .name = "IKR",
975 .start = AB8505_INT_IKR,
976 .end = AB8505_INT_IKR,
977 .flags = IORESOURCE_IRQ,
978 },
979 {
980 .name = "KeyStuck",
981 .start = AB8505_INT_KEYSTUCK,
982 .end = AB8505_INT_KEYSTUCK,
983 .flags = IORESOURCE_IRQ,
984 },
Lee Jones492390c2013-02-25 15:06:18 +0000985 {
986 .name = "VBUS_DET_R",
987 .start = AB8500_INT_VBUS_DET_R,
988 .end = AB8500_INT_VBUS_DET_R,
989 .flags = IORESOURCE_IRQ,
990 },
991 {
992 .name = "VBUS_DET_F",
993 .start = AB8500_INT_VBUS_DET_F,
994 .end = AB8500_INT_VBUS_DET_F,
995 .flags = IORESOURCE_IRQ,
996 },
997 {
998 .name = "ID_DET_PLUGR",
999 .start = AB8500_INT_ID_DET_PLUGR,
1000 .end = AB8500_INT_ID_DET_PLUGR,
1001 .flags = IORESOURCE_IRQ,
1002 },
1003 {
1004 .name = "ID_DET_PLUGF",
1005 .start = AB8500_INT_ID_DET_PLUGF,
1006 .end = AB8500_INT_ID_DET_PLUGF,
1007 .flags = IORESOURCE_IRQ,
1008 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001009};
1010
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001011static struct resource ab8500_temp_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +01001012 {
Hongbo Zhang151621a2013-01-30 18:21:27 +08001013 .name = "ABX500_TEMP_WARM",
Mattias Walline098aded72010-12-02 15:40:31 +01001014 .start = AB8500_INT_TEMP_WARM,
1015 .end = AB8500_INT_TEMP_WARM,
1016 .flags = IORESOURCE_IRQ,
1017 },
1018};
1019
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001020static struct mfd_cell ab8500_bm_devs[] = {
Rickard Andersson6ef94182012-04-17 09:30:57 +02001021 {
1022 .name = "ab8500-charger",
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001023 .of_compatible = "stericsson,ab8500-charger",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001024 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1025 .resources = ab8500_charger_resources,
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001026 .platform_data = &ab8500_bm_data,
1027 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001028 },
1029 {
1030 .name = "ab8500-btemp",
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001031 .of_compatible = "stericsson,ab8500-btemp",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001032 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1033 .resources = ab8500_btemp_resources,
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001034 .platform_data = &ab8500_bm_data,
1035 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001036 },
1037 {
1038 .name = "ab8500-fg",
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001039 .of_compatible = "stericsson,ab8500-fg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001040 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1041 .resources = ab8500_fg_resources,
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001042 .platform_data = &ab8500_bm_data,
1043 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001044 },
1045 {
1046 .name = "ab8500-chargalg",
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001047 .of_compatible = "stericsson,ab8500-chargalg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001048 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1049 .resources = ab8500_chargalg_resources,
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001050 .platform_data = &ab8500_bm_data,
1051 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001052 },
1053};
1054
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001055static struct mfd_cell ab8500_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001056#ifdef CONFIG_DEBUG_FS
Linus Walleijd6255522012-02-20 21:42:24 +01001057 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001058 .name = "ab8500-debug",
1059 .of_compatible = "stericsson,ab8500-debug",
1060 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1061 .resources = ab8500_debug_resources,
1062 },
1063#endif
1064 {
1065 .name = "ab8500-sysctrl",
1066 .of_compatible = "stericsson,ab8500-sysctrl",
1067 },
1068 {
1069 .name = "ab8500-regulator",
1070 .of_compatible = "stericsson,ab8500-regulator",
1071 },
1072 {
1073 .name = "abx500-clk",
1074 .of_compatible = "stericsson,abx500-clk",
1075 },
1076 {
1077 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001078 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001079 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1080 .resources = ab8500_gpadc_resources,
1081 },
1082 {
1083 .name = "ab8500-rtc",
1084 .of_compatible = "stericsson,ab8500-rtc",
1085 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1086 .resources = ab8500_rtc_resources,
1087 },
1088 {
1089 .name = "ab8500-acc-det",
1090 .of_compatible = "stericsson,ab8500-acc-det",
1091 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1092 .resources = ab8500_av_acc_detect_resources,
1093 },
1094 {
1095
1096 .name = "ab8500-poweron-key",
1097 .of_compatible = "stericsson,ab8500-poweron-key",
1098 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1099 .resources = ab8500_poweronkey_db_resources,
1100 },
1101 {
1102 .name = "ab8500-pwm",
1103 .of_compatible = "stericsson,ab8500-pwm",
1104 .id = 1,
1105 },
1106 {
1107 .name = "ab8500-pwm",
1108 .of_compatible = "stericsson,ab8500-pwm",
1109 .id = 2,
1110 },
1111 {
1112 .name = "ab8500-pwm",
1113 .of_compatible = "stericsson,ab8500-pwm",
1114 .id = 3,
1115 },
1116 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001117 .name = "ab8500-denc",
1118 .of_compatible = "stericsson,ab8500-denc",
1119 },
1120 {
Lee Joneseb696c32013-05-07 11:29:55 +01001121 .name = "pinctrl-ab8500",
Lee Jonesbad76992012-07-02 17:10:56 +02001122 .of_compatible = "stericsson,ab8500-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001123 },
1124 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001125 .name = "abx500-temp",
1126 .of_compatible = "stericsson,abx500-temp",
1127 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1128 .resources = ab8500_temp_resources,
1129 },
1130 {
Linus Walleijd6255522012-02-20 21:42:24 +01001131 .name = "ab8500-usb",
Fabio Baltierif201f732013-04-09 10:57:21 +02001132 .of_compatible = "stericsson,ab8500-usb",
Linus Walleijd6255522012-02-20 21:42:24 +01001133 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1134 .resources = ab8500_usb_resources,
1135 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001136 {
1137 .name = "ab8500-codec",
Fabio Baltierifccf14a2013-05-30 15:27:45 +02001138 .of_compatible = "stericsson,ab8500-codec",
Lee Jones4b106fb2013-02-25 14:42:00 +00001139 },
1140};
1141
1142static struct mfd_cell ab9540_devs[] = {
1143#ifdef CONFIG_DEBUG_FS
1144 {
1145 .name = "ab8500-debug",
1146 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1147 .resources = ab8500_debug_resources,
1148 },
1149#endif
1150 {
1151 .name = "ab8500-sysctrl",
1152 },
1153 {
1154 .name = "ab8500-regulator",
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001155 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001156 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001157 .name = "abx500-clk",
1158 .of_compatible = "stericsson,abx500-clk",
1159 },
1160 {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001161 .name = "ab8500-gpadc",
1162 .of_compatible = "stericsson,ab8500-gpadc",
1163 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1164 .resources = ab8500_gpadc_resources,
1165 },
Lee Jones4b106fb2013-02-25 14:42:00 +00001166 {
1167 .name = "ab8500-rtc",
1168 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1169 .resources = ab8500_rtc_resources,
1170 },
1171 {
1172 .name = "ab8500-acc-det",
1173 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1174 .resources = ab8500_av_acc_detect_resources,
1175 },
1176 {
1177 .name = "ab8500-poweron-key",
1178 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1179 .resources = ab8500_poweronkey_db_resources,
1180 },
1181 {
1182 .name = "ab8500-pwm",
1183 .id = 1,
1184 },
1185 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001186 .name = "abx500-temp",
1187 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1188 .resources = ab8500_temp_resources,
1189 },
Linus Walleijd6255522012-02-20 21:42:24 +01001190 {
Lee Jonese64d9052013-01-16 15:09:36 +00001191 .name = "pinctrl-ab9540",
1192 .of_compatible = "stericsson,ab9540-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001193 },
1194 {
1195 .name = "ab9540-usb",
1196 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1197 .resources = ab8500_usb_resources,
1198 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001199 {
1200 .name = "ab9540-codec",
1201 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001202 {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001203 .name = "ab-iddet",
1204 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1205 .resources = ab8505_iddet_resources,
1206 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001207};
1208
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001209/* Device list for ab8505 */
1210static struct mfd_cell ab8505_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001211#ifdef CONFIG_DEBUG_FS
1212 {
1213 .name = "ab8500-debug",
1214 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1215 .resources = ab8500_debug_resources,
1216 },
1217#endif
1218 {
1219 .name = "ab8500-sysctrl",
1220 },
1221 {
1222 .name = "ab8500-regulator",
1223 },
1224 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001225 .name = "abx500-clk",
1226 .of_compatible = "stericsson,abx500-clk",
1227 },
1228 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001229 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001230 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001231 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1232 .resources = ab8505_gpadc_resources,
1233 },
1234 {
1235 .name = "ab8500-rtc",
1236 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1237 .resources = ab8500_rtc_resources,
1238 },
1239 {
1240 .name = "ab8500-acc-det",
1241 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1242 .resources = ab8500_av_acc_detect_resources,
1243 },
1244 {
1245 .name = "ab8500-poweron-key",
1246 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1247 .resources = ab8500_poweronkey_db_resources,
1248 },
1249 {
1250 .name = "ab8500-pwm",
1251 .id = 1,
1252 },
1253 {
Lee Joneseb696c32013-05-07 11:29:55 +01001254 .name = "pinctrl-ab8505",
Lee Jones4b106fb2013-02-25 14:42:00 +00001255 },
1256 {
1257 .name = "ab8500-usb",
1258 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1259 .resources = ab8500_usb_resources,
1260 },
1261 {
1262 .name = "ab8500-codec",
1263 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001264 {
1265 .name = "ab-iddet",
1266 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1267 .resources = ab8505_iddet_resources,
1268 },
1269};
1270
1271static struct mfd_cell ab8540_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001272#ifdef CONFIG_DEBUG_FS
1273 {
1274 .name = "ab8500-debug",
1275 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1276 .resources = ab8500_debug_resources,
1277 },
1278#endif
1279 {
1280 .name = "ab8500-sysctrl",
1281 },
1282 {
1283 .name = "ab8500-regulator",
1284 },
1285 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001286 .name = "abx500-clk",
1287 .of_compatible = "stericsson,abx500-clk",
1288 },
1289 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001290 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001291 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001292 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1293 .resources = ab8505_gpadc_resources,
1294 },
1295 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001296 .name = "ab8500-acc-det",
1297 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1298 .resources = ab8500_av_acc_detect_resources,
1299 },
1300 {
1301 .name = "ab8500-poweron-key",
1302 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1303 .resources = ab8500_poweronkey_db_resources,
1304 },
1305 {
1306 .name = "ab8500-pwm",
1307 .id = 1,
1308 },
1309 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001310 .name = "abx500-temp",
1311 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1312 .resources = ab8500_temp_resources,
1313 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001314 {
Lee Joneseb696c32013-05-07 11:29:55 +01001315 .name = "pinctrl-ab8540",
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001316 },
1317 {
1318 .name = "ab8540-usb",
1319 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1320 .resources = ab8500_usb_resources,
1321 },
1322 {
1323 .name = "ab8540-codec",
1324 },
1325 {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001326 .name = "ab-iddet",
1327 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1328 .resources = ab8505_iddet_resources,
1329 },
Linus Walleijd6255522012-02-20 21:42:24 +01001330};
1331
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001332static struct mfd_cell ab8540_cut1_devs[] = {
1333 {
1334 .name = "ab8500-rtc",
1335 .of_compatible = "stericsson,ab8500-rtc",
1336 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1337 .resources = ab8500_rtc_resources,
1338 },
1339};
1340
1341static struct mfd_cell ab8540_cut2_devs[] = {
1342 {
1343 .name = "ab8540-rtc",
1344 .of_compatible = "stericsson,ab8540-rtc",
1345 .num_resources = ARRAY_SIZE(ab8540_rtc_resources),
1346 .resources = ab8540_rtc_resources,
1347 },
1348};
1349
Mattias Wallincca69b62010-12-02 15:09:36 +01001350static ssize_t show_chip_id(struct device *dev,
1351 struct device_attribute *attr, char *buf)
1352{
1353 struct ab8500 *ab8500;
1354
1355 ab8500 = dev_get_drvdata(dev);
Lee Jonese436ddf2013-02-26 10:09:41 +00001356
Mattias Wallincca69b62010-12-02 15:09:36 +01001357 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1358}
1359
Mattias Walline5c238c2011-03-02 11:52:36 +01001360/*
1361 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1362 * 0x01 Swoff bit programming
1363 * 0x02 Thermal protection activation
1364 * 0x04 Vbat lower then BattOk falling threshold
1365 * 0x08 Watchdog expired
1366 * 0x10 Non presence of 32kHz clock
1367 * 0x20 Battery level lower than power on reset threshold
1368 * 0x40 Power on key 1 pressed longer than 10 seconds
1369 * 0x80 DB8500 thermal shutdown
1370 */
1371static ssize_t show_switch_off_status(struct device *dev,
1372 struct device_attribute *attr, char *buf)
1373{
1374 int ret;
1375 u8 value;
1376 struct ab8500 *ab8500;
1377
1378 ab8500 = dev_get_drvdata(dev);
1379 ret = get_register_interruptible(ab8500, AB8500_RTC,
1380 AB8500_SWITCH_OFF_STATUS, &value);
1381 if (ret < 0)
1382 return ret;
1383 return sprintf(buf, "%#x\n", value);
1384}
1385
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301386/* use mask and set to override the register turn_on_stat value */
1387void ab8500_override_turn_on_stat(u8 mask, u8 set)
1388{
1389 spin_lock(&on_stat_lock);
1390 turn_on_stat_mask = mask;
1391 turn_on_stat_set = set;
1392 spin_unlock(&on_stat_lock);
1393}
1394
Andrew Lynnb4a31032011-10-11 10:49:47 +02001395/*
1396 * ab8500 has turned on due to (TURN_ON_STATUS):
1397 * 0x01 PORnVbat
1398 * 0x02 PonKey1dbF
1399 * 0x04 PonKey2dbF
1400 * 0x08 RTCAlarm
1401 * 0x10 MainChDet
1402 * 0x20 VbusDet
1403 * 0x40 UsbIDDetect
1404 * 0x80 Reserved
1405 */
1406static ssize_t show_turn_on_status(struct device *dev,
1407 struct device_attribute *attr, char *buf)
1408{
1409 int ret;
1410 u8 value;
1411 struct ab8500 *ab8500;
1412
1413 ab8500 = dev_get_drvdata(dev);
1414 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1415 AB8500_TURN_ON_STATUS, &value);
1416 if (ret < 0)
1417 return ret;
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301418
1419 /*
1420 * In L9540, turn_on_status register is not updated correctly if
1421 * the device is rebooted with AC/USB charger connected. Due to
1422 * this, the device boots android instead of entering into charge
1423 * only mode. Read the AC/USB status register to detect the charger
1424 * presence and update the turn on status manually.
1425 */
1426 if (is_ab9540(ab8500)) {
1427 spin_lock(&on_stat_lock);
1428 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1429 spin_unlock(&on_stat_lock);
1430 }
1431
Andrew Lynnb4a31032011-10-11 10:49:47 +02001432 return sprintf(buf, "%#x\n", value);
1433}
1434
Lee Jones93ff7222012-05-31 16:16:36 +02001435static ssize_t show_turn_on_status_2(struct device *dev,
1436 struct device_attribute *attr, char *buf)
1437{
1438 int ret;
1439 u8 value;
1440 struct ab8500 *ab8500;
1441
1442 ab8500 = dev_get_drvdata(dev);
1443 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1444 AB8505_TURN_ON_STATUS_2, &value);
1445 if (ret < 0)
1446 return ret;
1447 return sprintf(buf, "%#x\n", (value & 0x1));
1448}
1449
Linus Walleijd6255522012-02-20 21:42:24 +01001450static ssize_t show_ab9540_dbbrstn(struct device *dev,
1451 struct device_attribute *attr, char *buf)
1452{
1453 struct ab8500 *ab8500;
1454 int ret;
1455 u8 value;
1456
1457 ab8500 = dev_get_drvdata(dev);
1458
1459 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1460 AB9540_MODEM_CTRL2_REG, &value);
1461 if (ret < 0)
1462 return ret;
1463
1464 return sprintf(buf, "%d\n",
1465 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1466}
1467
1468static ssize_t store_ab9540_dbbrstn(struct device *dev,
1469 struct device_attribute *attr, const char *buf, size_t count)
1470{
1471 struct ab8500 *ab8500;
1472 int ret = count;
1473 int err;
1474 u8 bitvalues;
1475
1476 ab8500 = dev_get_drvdata(dev);
1477
1478 if (count > 0) {
1479 switch (buf[0]) {
1480 case '0':
1481 bitvalues = 0;
1482 break;
1483 case '1':
1484 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1485 break;
1486 default:
1487 goto exit;
1488 }
1489
1490 err = mask_and_set_register_interruptible(ab8500,
1491 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1492 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1493 if (err)
1494 dev_info(ab8500->dev,
1495 "Failed to set DBBRSTN %c, err %#x\n",
1496 buf[0], err);
1497 }
1498
1499exit:
1500 return ret;
1501}
1502
Mattias Wallincca69b62010-12-02 15:09:36 +01001503static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
Mattias Walline5c238c2011-03-02 11:52:36 +01001504static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
Andrew Lynnb4a31032011-10-11 10:49:47 +02001505static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
Lee Jones93ff7222012-05-31 16:16:36 +02001506static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
Linus Walleijd6255522012-02-20 21:42:24 +01001507static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1508 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
Mattias Wallincca69b62010-12-02 15:09:36 +01001509
1510static struct attribute *ab8500_sysfs_entries[] = {
1511 &dev_attr_chip_id.attr,
Mattias Walline5c238c2011-03-02 11:52:36 +01001512 &dev_attr_switch_off_status.attr,
Andrew Lynnb4a31032011-10-11 10:49:47 +02001513 &dev_attr_turn_on_status.attr,
Mattias Wallincca69b62010-12-02 15:09:36 +01001514 NULL,
1515};
1516
Lee Jones93ff7222012-05-31 16:16:36 +02001517static struct attribute *ab8505_sysfs_entries[] = {
1518 &dev_attr_turn_on_status_2.attr,
1519 NULL,
1520};
1521
Linus Walleijd6255522012-02-20 21:42:24 +01001522static struct attribute *ab9540_sysfs_entries[] = {
1523 &dev_attr_chip_id.attr,
1524 &dev_attr_switch_off_status.attr,
1525 &dev_attr_turn_on_status.attr,
1526 &dev_attr_dbbrstn.attr,
1527 NULL,
1528};
1529
Mattias Wallincca69b62010-12-02 15:09:36 +01001530static struct attribute_group ab8500_attr_group = {
1531 .attrs = ab8500_sysfs_entries,
1532};
1533
Lee Jones93ff7222012-05-31 16:16:36 +02001534static struct attribute_group ab8505_attr_group = {
1535 .attrs = ab8505_sysfs_entries,
1536};
1537
Linus Walleijd6255522012-02-20 21:42:24 +01001538static struct attribute_group ab9540_attr_group = {
1539 .attrs = ab9540_sysfs_entries,
1540};
1541
Bill Pembertonf791be42012-11-19 13:23:04 -05001542static int ab8500_probe(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001543{
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001544 static char *switch_off_status[] = {
1545 "Swoff bit programming",
1546 "Thermal protection activation",
1547 "Vbat lower then BattOk falling threshold",
1548 "Watchdog expired",
1549 "Non presence of 32kHz clock",
1550 "Battery level lower than power on reset threshold",
1551 "Power on key 1 pressed longer than 10 seconds",
1552 "DB8500 thermal shutdown"};
Mattias Wallinabee26c2012-09-28 09:34:24 +02001553 static char *turn_on_status[] = {
1554 "Battery rising (Vbat)",
1555 "Power On Key 1 dbF",
1556 "Power On Key 2 dbF",
1557 "RTC Alarm",
1558 "Main Charger Detect",
1559 "Vbus Detect (USB)",
1560 "USB ID Detect",
1561 "UART Factory Mode Detect"};
Lee Jonesd28f1db2012-05-19 17:21:37 +02001562 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1563 const struct platform_device_id *platid = platform_get_device_id(pdev);
Lee Jones6bc4a562012-05-17 14:45:13 +01001564 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1565 struct device_node *np = pdev->dev.of_node;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001566 struct ab8500 *ab8500;
1567 struct resource *resource;
Rabin Vincent62579262010-05-19 11:39:02 +02001568 int ret;
1569 int i;
Mattias Wallin47c16972010-09-10 17:47:56 +02001570 u8 value;
Rabin Vincent62579262010-05-19 11:39:02 +02001571
Lee Jones8c4203c2012-11-05 16:10:35 +01001572 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001573 if (!ab8500)
1574 return -ENOMEM;
1575
Rabin Vincent62579262010-05-19 11:39:02 +02001576 if (plat)
1577 ab8500->irq_base = plat->irq_base;
1578
Lee Jonesd28f1db2012-05-19 17:21:37 +02001579 ab8500->dev = &pdev->dev;
1580
1581 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
Lee Jones8c4203c2012-11-05 16:10:35 +01001582 if (!resource)
1583 return -ENODEV;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001584
1585 ab8500->irq = resource->start;
1586
Lee Jones822672a2012-06-20 13:56:38 +01001587 ab8500->read = ab8500_prcmu_read;
1588 ab8500->write = ab8500_prcmu_write;
1589 ab8500->write_masked = ab8500_prcmu_write_masked;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001590
Rabin Vincent62579262010-05-19 11:39:02 +02001591 mutex_init(&ab8500->lock);
1592 mutex_init(&ab8500->irq_lock);
Jonas Aaberg112a80d2012-04-17 09:30:33 +02001593 atomic_set(&ab8500->transfer_ongoing, 0);
Rabin Vincent62579262010-05-19 11:39:02 +02001594
Lee Jonesd28f1db2012-05-19 17:21:37 +02001595 platform_set_drvdata(pdev, ab8500);
1596
Lee Jones6bc4a562012-05-17 14:45:13 +01001597 if (platid)
1598 version = platid->driver_data;
Lee Jones6bc4a562012-05-17 14:45:13 +01001599
Linus Walleij0f6208372012-02-20 21:42:10 +01001600 if (version != AB8500_VERSION_UNDEFINED)
1601 ab8500->version = version;
1602 else {
1603 ret = get_register_interruptible(ab8500, AB8500_MISC,
1604 AB8500_IC_NAME_REG, &value);
1605 if (ret < 0)
Lee Jones8c4203c2012-11-05 16:10:35 +01001606 return ret;
Linus Walleij0f6208372012-02-20 21:42:10 +01001607
1608 ab8500->version = value;
1609 }
1610
Mattias Wallin47c16972010-09-10 17:47:56 +02001611 ret = get_register_interruptible(ab8500, AB8500_MISC,
1612 AB8500_REV_REG, &value);
Rabin Vincent62579262010-05-19 11:39:02 +02001613 if (ret < 0)
Lee Jones8c4203c2012-11-05 16:10:35 +01001614 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001615
Mattias Wallin47c16972010-09-10 17:47:56 +02001616 ab8500->chip_id = value;
Rabin Vincent62579262010-05-19 11:39:02 +02001617
Linus Walleij0f6208372012-02-20 21:42:10 +01001618 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1619 ab8500_version_str[ab8500->version],
1620 ab8500->chip_id >> 4,
1621 ab8500->chip_id & 0x0F);
1622
Lee Jones3e1a4982013-02-25 14:57:35 +00001623 /* Configure AB8540 */
1624 if (is_ab8540(ab8500)) {
1625 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1626 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1627 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
1628 }/* Configure AB8500 or AB9540 IRQ */
1629 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
Linus Walleijd6255522012-02-20 21:42:24 +01001630 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1631 ab8500->irq_reg_offset = ab9540_irq_regoffset;
Lee Jones3e1a4982013-02-25 14:57:35 +00001632 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
Linus Walleijd6255522012-02-20 21:42:24 +01001633 } else {
1634 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1635 ab8500->irq_reg_offset = ab8500_irq_regoffset;
Lee Jones3e1a4982013-02-25 14:57:35 +00001636 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
Linus Walleijd6255522012-02-20 21:42:24 +01001637 }
Lee Jones8c4203c2012-11-05 16:10:35 +01001638 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
Linus Walleij2ced4452012-02-20 21:42:17 +01001639 if (!ab8500->mask)
1640 return -ENOMEM;
Lee Jones8c4203c2012-11-05 16:10:35 +01001641 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1642 if (!ab8500->oldmask)
1643 return -ENOMEM;
1644
Mattias Walline5c238c2011-03-02 11:52:36 +01001645 /*
1646 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1647 * 0x01 Swoff bit programming
1648 * 0x02 Thermal protection activation
1649 * 0x04 Vbat lower then BattOk falling threshold
1650 * 0x08 Watchdog expired
1651 * 0x10 Non presence of 32kHz clock
1652 * 0x20 Battery level lower than power on reset threshold
1653 * 0x40 Power on key 1 pressed longer than 10 seconds
1654 * 0x80 DB8500 thermal shutdown
1655 */
1656
1657 ret = get_register_interruptible(ab8500, AB8500_RTC,
1658 AB8500_SWITCH_OFF_STATUS, &value);
1659 if (ret < 0)
1660 return ret;
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001661 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1662
1663 if (value) {
1664 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1665 if (value & 1)
1666 printk(KERN_CONT " \"%s\"",
1667 switch_off_status[i]);
1668 value = value >> 1;
1669
1670 }
1671 printk(KERN_CONT "\n");
1672 } else {
1673 printk(KERN_CONT " None\n");
1674 }
Mattias Wallinabee26c2012-09-28 09:34:24 +02001675 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1676 AB8500_TURN_ON_STATUS, &value);
1677 if (ret < 0)
1678 return ret;
1679 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1680
1681 if (value) {
1682 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1683 if (value & 1)
1684 printk("\"%s\" ", turn_on_status[i]);
1685 value = value >> 1;
1686 }
1687 printk("\n");
1688 } else {
1689 printk("None\n");
1690 }
Mattias Walline5c238c2011-03-02 11:52:36 +01001691
Rabin Vincent62579262010-05-19 11:39:02 +02001692 if (plat && plat->init)
1693 plat->init(ab8500);
Mattias Wallinabee26c2012-09-28 09:34:24 +02001694
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301695 if (is_ab9540(ab8500)) {
1696 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1697 AB8500_CH_USBCH_STAT1_REG, &value);
1698 if (ret < 0)
1699 return ret;
1700 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1701 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1702 AB8500_VBUS_DET);
1703 }
Rabin Vincent62579262010-05-19 11:39:02 +02001704
1705 /* Clear and mask all interrupts */
Linus Walleij2ced4452012-02-20 21:42:17 +01001706 for (i = 0; i < ab8500->mask_size; i++) {
Linus Walleij0f6208372012-02-20 21:42:10 +01001707 /*
1708 * Interrupt register 12 doesn't exist prior to AB8500 version
1709 * 2.0
1710 */
1711 if (ab8500->irq_reg_offset[i] == 11 &&
1712 is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +01001713 continue;
Rabin Vincent62579262010-05-19 11:39:02 +02001714
Lee Jones3e1a4982013-02-25 14:57:35 +00001715 if (ab8500->irq_reg_offset[i] < 0)
1716 continue;
1717
Mattias Wallin47c16972010-09-10 17:47:56 +02001718 get_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001719 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
Mattias Wallin92d50a42010-12-07 11:20:47 +01001720 &value);
Mattias Wallin47c16972010-09-10 17:47:56 +02001721 set_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001722 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
Rabin Vincent62579262010-05-19 11:39:02 +02001723 }
1724
Mattias Wallin47c16972010-09-10 17:47:56 +02001725 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1726 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001727 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +02001728
Linus Walleij2ced4452012-02-20 21:42:17 +01001729 for (i = 0; i < ab8500->mask_size; i++)
Rabin Vincent62579262010-05-19 11:39:02 +02001730 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1731
Lee Jones06e589e2012-06-20 13:56:37 +01001732 ret = ab8500_irq_init(ab8500, np);
1733 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001734 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001735
Dariusz Szymczakf348fef2012-11-26 13:31:26 +01001736 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1737 ab8500_hierarchical_irq,
1738 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1739 "ab8500", ab8500);
1740 if (ret)
1741 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001742
Linus Walleij69991812013-04-12 17:02:09 +02001743#if CONFIG_DEBUG_FS
1744 /* Pass to debugfs */
1745 ab8500_debug_resources[0].start = ab8500->irq;
1746 ab8500_debug_resources[0].end = ab8500->irq;
1747#endif
1748
Lee Jonesbad76992012-07-02 17:10:56 +02001749 if (is_ab9540(ab8500))
1750 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1751 ARRAY_SIZE(ab9540_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001752 ab8500->irq_base, ab8500->domain);
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001753 else if (is_ab8540(ab8500)) {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001754 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1755 ARRAY_SIZE(ab8540_devs), NULL,
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001756 ab8500->irq_base, NULL);
1757 if (ret)
1758 return ret;
1759
1760 if (is_ab8540_1p2_or_earlier(ab8500))
1761 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
1762 ARRAY_SIZE(ab8540_cut1_devs), NULL,
1763 ab8500->irq_base, NULL);
1764 else /* ab8540 >= cut2 */
1765 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
1766 ARRAY_SIZE(ab8540_cut2_devs), NULL,
1767 ab8500->irq_base, NULL);
1768 } else if (is_ab8505(ab8500))
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001769 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1770 ARRAY_SIZE(ab8505_devs), NULL,
1771 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001772 else
1773 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1774 ARRAY_SIZE(ab8500_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001775 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001776 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001777 return ret;
Linus Walleijd6255522012-02-20 21:42:24 +01001778
Rickard Andersson6ef94182012-04-17 09:30:57 +02001779 if (!no_bm) {
1780 /* Add battery management devices */
1781 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1782 ARRAY_SIZE(ab8500_bm_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001783 ab8500->irq_base, ab8500->domain);
Rickard Andersson6ef94182012-04-17 09:30:57 +02001784 if (ret)
1785 dev_err(ab8500->dev, "error adding bm devices\n");
1786 }
1787
Lee Jonese436ddf2013-02-26 10:09:41 +00001788 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1789 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +01001790 ret = sysfs_create_group(&ab8500->dev->kobj,
1791 &ab9540_attr_group);
1792 else
1793 ret = sysfs_create_group(&ab8500->dev->kobj,
1794 &ab8500_attr_group);
Lee Jones93ff7222012-05-31 16:16:36 +02001795
1796 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1797 ab8500->chip_id >= AB8500_CUT2P0)
1798 ret = sysfs_create_group(&ab8500->dev->kobj,
1799 &ab8505_attr_group);
1800
Mattias Wallincca69b62010-12-02 15:09:36 +01001801 if (ret)
1802 dev_err(ab8500->dev, "error creating sysfs entries\n");
Lee Jones06e589e2012-06-20 13:56:37 +01001803
1804 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001805}
1806
Bill Pemberton4740f732012-11-19 13:26:01 -05001807static int ab8500_remove(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001808{
Lee Jonesd28f1db2012-05-19 17:21:37 +02001809 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1810
Lee Jonese436ddf2013-02-26 10:09:41 +00001811 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1812 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +01001813 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1814 else
1815 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
Lee Jones06e589e2012-06-20 13:56:37 +01001816
Lee Jones93ff7222012-05-31 16:16:36 +02001817 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1818 ab8500->chip_id >= AB8500_CUT2P0)
1819 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1820
Rabin Vincent62579262010-05-19 11:39:02 +02001821 mfd_remove_devices(ab8500->dev);
Rabin Vincent62579262010-05-19 11:39:02 +02001822
1823 return 0;
1824}
1825
Lee Jonesd28f1db2012-05-19 17:21:37 +02001826static const struct platform_device_id ab8500_id[] = {
1827 { "ab8500-core", AB8500_VERSION_AB8500 },
1828 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1829 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1830 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1831 { }
1832};
1833
1834static struct platform_driver ab8500_core_driver = {
1835 .driver = {
1836 .name = "ab8500-core",
1837 .owner = THIS_MODULE,
1838 },
1839 .probe = ab8500_probe,
Bill Pemberton84449212012-11-19 13:20:24 -05001840 .remove = ab8500_remove,
Lee Jonesd28f1db2012-05-19 17:21:37 +02001841 .id_table = ab8500_id,
1842};
1843
1844static int __init ab8500_core_init(void)
1845{
1846 return platform_driver_register(&ab8500_core_driver);
1847}
1848
1849static void __exit ab8500_core_exit(void)
1850{
1851 platform_driver_unregister(&ab8500_core_driver);
1852}
Lee Jonesba7cbc32012-06-11 16:25:00 +01001853core_initcall(ab8500_core_init);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001854module_exit(ab8500_core_exit);
1855
Mattias Wallinadceed62011-03-02 11:51:11 +01001856MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
Rabin Vincent62579262010-05-19 11:39:02 +02001857MODULE_DESCRIPTION("AB8500 MFD core");
1858MODULE_LICENSE("GPL v2");