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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] = {
Lee Jones7ccf40b2014-05-08 14:11:37 +0100151 0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22,
152 23, 25, 26, 27, 28, 29, 30, 31,
Lee Jones3e1a4982013-02-25 14:57:35 +0000153};
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);
Lee Jones7ccf40b2014-05-08 14:11:37 +0100325 ret = mask_and_set_register_interruptible(ab8500, bank, reg,
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200326 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;
Lee Jones7ccf40b2014-05-08 14:11:37 +0100418 else if (offset >= AB9540_INT_GPIO50R &&
419 offset <= AB9540_INT_GPIO54R)
Lee Jones9c677b92012-12-20 11:23:42 +0000420 ab8500->mask[index + 1] &= ~mask;
Lee Jones7ccf40b2014-05-08 14:11:37 +0100421 else if (offset == AB8540_INT_GPIO43R ||
422 offset == AB8540_INT_GPIO44R)
Linus Walleije2ddf462013-02-06 21:54:34 +0100423 /* Here the falling IRQ is one bit lower */
424 ab8500->mask[index] &= ~(mask << 1);
Lee Jones9c677b92012-12-20 11:23:42 +0000425 else
426 ab8500->mask[index] &= ~mask;
Linus Walleije2ddf462013-02-06 21:54:34 +0100427 } else {
Lee Jones9c677b92012-12-20 11:23:42 +0000428 /* Satisfies the case where type is not set. */
429 ab8500->mask[index] &= ~mask;
Linus Walleije2ddf462013-02-06 21:54:34 +0100430 }
Rabin Vincent62579262010-05-19 11:39:02 +0200431}
432
Lee Jones40f6e5a2013-01-07 12:23:48 +0000433static int ab8500_irq_set_type(struct irq_data *data, unsigned int type)
434{
435 return 0;
Rabin Vincent62579262010-05-19 11:39:02 +0200436}
437
438static struct irq_chip ab8500_irq_chip = {
439 .name = "ab8500",
Mark Brown9505a0a2010-12-11 13:16:08 +0000440 .irq_bus_lock = ab8500_irq_lock,
441 .irq_bus_sync_unlock = ab8500_irq_sync_unlock,
442 .irq_mask = ab8500_irq_mask,
Virupax Sadashivpetimathe6f93062011-10-11 10:49:17 +0200443 .irq_disable = ab8500_irq_mask,
Mark Brown9505a0a2010-12-11 13:16:08 +0000444 .irq_unmask = ab8500_irq_unmask,
Lee Jones40f6e5a2013-01-07 12:23:48 +0000445 .irq_set_type = ab8500_irq_set_type,
Rabin Vincent62579262010-05-19 11:39:02 +0200446};
447
Lee Jones3e1a4982013-02-25 14:57:35 +0000448static void update_latch_offset(u8 *offset, int i)
449{
450 /* Fix inconsistent ITFromLatch25 bit mapping... */
451 if (unlikely(*offset == 17))
452 *offset = 24;
453 /* Fix inconsistent ab8540 bit mapping... */
454 if (unlikely(*offset == 16))
455 *offset = 25;
Lee Jones7ccf40b2014-05-08 14:11:37 +0100456 if ((i == 3) && (*offset >= 24))
Lee Jones3e1a4982013-02-25 14:57:35 +0000457 *offset += 2;
458}
459
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200460static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
461 int latch_offset, u8 latch_val)
462{
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100463 int int_bit, line, i;
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200464
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100465 for (i = 0; i < ab8500->mask_size; i++)
466 if (ab8500->irq_reg_offset[i] == latch_offset)
467 break;
468
469 if (i >= ab8500->mask_size) {
470 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n",
471 latch_offset);
472 return -ENXIO;
473 }
474
475 /* ignore masked out interrupts */
476 latch_val &= ~ab8500->mask[i];
477
478 while (latch_val) {
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200479 int_bit = __ffs(latch_val);
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200480 line = (i << 3) + int_bit;
481 latch_val &= ~(1 << int_bit);
482
Linus Walleije2ddf462013-02-06 21:54:34 +0100483 /*
484 * This handles the falling edge hwirqs from the GPIO
485 * lines. Route them back to the line registered for the
486 * rising IRQ, as this is merely a flag for the same IRQ
487 * in linux terms.
488 */
489 if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F)
490 line -= 16;
491 if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F)
492 line -= 8;
493 if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
494 line += 1;
495
Linus Walleijed83d302013-12-03 15:11:54 +0100496 handle_nested_irq(irq_create_mapping(ab8500->domain, line));
Fabio Baltieri7a93fb32013-03-21 14:49:44 +0100497 }
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200498
499 return 0;
500}
501
502static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500,
503 int hier_offset, u8 hier_val)
504{
505 int latch_bit, status;
506 u8 latch_offset, latch_val;
507
508 do {
509 latch_bit = __ffs(hier_val);
510 latch_offset = (hier_offset << 3) + latch_bit;
511
Lee Jones3e1a4982013-02-25 14:57:35 +0000512 update_latch_offset(&latch_offset, hier_offset);
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200513
514 status = get_register_interruptible(ab8500,
515 AB8500_INTERRUPT,
516 AB8500_IT_LATCH1_REG + latch_offset,
517 &latch_val);
518 if (status < 0 || latch_val == 0)
519 goto discard;
520
521 status = ab8500_handle_hierarchical_line(ab8500,
522 latch_offset, latch_val);
523 if (status < 0)
524 return status;
525discard:
526 hier_val &= ~(1 << latch_bit);
527 } while (hier_val);
528
529 return 0;
530}
531
532static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
533{
534 struct ab8500 *ab8500 = dev;
535 u8 i;
536
537 dev_vdbg(ab8500->dev, "interrupt\n");
538
539 /* Hierarchical interrupt version */
Lee Jones3e1a4982013-02-25 14:57:35 +0000540 for (i = 0; i < (ab8500->it_latchhier_num); i++) {
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200541 int status;
542 u8 hier_val;
543
544 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
545 AB8500_IT_LATCHHIER1_REG + i, &hier_val);
546 if (status < 0 || hier_val == 0)
547 continue;
548
549 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val);
550 if (status < 0)
551 break;
552 }
553 return IRQ_HANDLED;
554}
555
Lee Jones06e589e2012-06-20 13:56:37 +0100556static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
557 irq_hw_number_t hwirq)
558{
559 struct ab8500 *ab8500 = d->host_data;
560
561 if (!ab8500)
562 return -EINVAL;
563
564 irq_set_chip_data(virq, ab8500);
565 irq_set_chip_and_handler(virq, &ab8500_irq_chip,
566 handle_simple_irq);
567 irq_set_nested_thread(virq, 1);
Rabin Vincent62579262010-05-19 11:39:02 +0200568#ifdef CONFIG_ARM
Lee Jones06e589e2012-06-20 13:56:37 +0100569 set_irq_flags(virq, IRQF_VALID);
Rabin Vincent62579262010-05-19 11:39:02 +0200570#else
Lee Jones06e589e2012-06-20 13:56:37 +0100571 irq_set_noprobe(virq);
Rabin Vincent62579262010-05-19 11:39:02 +0200572#endif
Rabin Vincent62579262010-05-19 11:39:02 +0200573
574 return 0;
575}
576
Lee Jones06e589e2012-06-20 13:56:37 +0100577static struct irq_domain_ops ab8500_irq_ops = {
Lee Jones7ccf40b2014-05-08 14:11:37 +0100578 .map = ab8500_irq_map,
579 .xlate = irq_domain_xlate_twocell,
Lee Jones06e589e2012-06-20 13:56:37 +0100580};
581
582static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
Rabin Vincent62579262010-05-19 11:39:02 +0200583{
Linus Walleij2ced4452012-02-20 21:42:17 +0100584 int num_irqs;
Rabin Vincent62579262010-05-19 11:39:02 +0200585
Lee Jones3e1a4982013-02-25 14:57:35 +0000586 if (is_ab8540(ab8500))
587 num_irqs = AB8540_NR_IRQS;
588 else if (is_ab9540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +0100589 num_irqs = AB9540_NR_IRQS;
Bengt Jonssona9823622012-03-08 14:01:57 +0100590 else if (is_ab8505(ab8500))
591 num_irqs = AB8505_NR_IRQS;
Linus Walleijd6255522012-02-20 21:42:24 +0100592 else
593 num_irqs = AB8500_NR_IRQS;
Linus Walleij2ced4452012-02-20 21:42:17 +0100594
Linus Walleijf1d11f32012-10-18 18:18:44 +0200595 /* If ->irq_base is zero this will give a linear mapping */
Grygorii Strashko7602e052014-06-02 19:27:58 +0300596 ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
Linus Walleijf864c462014-02-04 00:35:56 +0100597 num_irqs, 0,
Linus Walleijf1d11f32012-10-18 18:18:44 +0200598 &ab8500_irq_ops, ab8500);
Lee Jones06e589e2012-06-20 13:56:37 +0100599
600 if (!ab8500->domain) {
601 dev_err(ab8500->dev, "Failed to create irqdomain\n");
602 return -ENOSYS;
603 }
604
605 return 0;
Rabin Vincent62579262010-05-19 11:39:02 +0200606}
607
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200608int ab8500_suspend(struct ab8500 *ab8500)
609{
610 if (atomic_read(&ab8500->transfer_ongoing))
611 return -EINVAL;
Lee Jonesf3556302014-07-02 11:13:42 +0100612
613 return 0;
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200614}
615
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500616static struct resource ab8500_gpadc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200617 {
618 .name = "HW_CONV_END",
619 .start = AB8500_INT_GP_HW_ADC_CONV_END,
620 .end = AB8500_INT_GP_HW_ADC_CONV_END,
621 .flags = IORESOURCE_IRQ,
622 },
623 {
624 .name = "SW_CONV_END",
625 .start = AB8500_INT_GP_SW_ADC_CONV_END,
626 .end = AB8500_INT_GP_SW_ADC_CONV_END,
627 .flags = IORESOURCE_IRQ,
628 },
629};
630
Lee Jones4b106fb2013-02-25 14:42:00 +0000631static struct resource ab8505_gpadc_resources[] = {
Lee Jonesc0eda9a2013-02-12 15:04:09 +0000632 {
633 .name = "SW_CONV_END",
634 .start = AB8500_INT_GP_SW_ADC_CONV_END,
635 .end = AB8500_INT_GP_SW_ADC_CONV_END,
636 .flags = IORESOURCE_IRQ,
637 },
638};
639
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500640static struct resource ab8500_rtc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200641 {
642 .name = "60S",
643 .start = AB8500_INT_RTC_60S,
644 .end = AB8500_INT_RTC_60S,
645 .flags = IORESOURCE_IRQ,
646 },
647 {
648 .name = "ALARM",
649 .start = AB8500_INT_RTC_ALARM,
650 .end = AB8500_INT_RTC_ALARM,
651 .flags = IORESOURCE_IRQ,
652 },
653};
654
Alexandre Torgue9c717cf2013-05-24 11:59:47 +0200655static struct resource ab8540_rtc_resources[] = {
656 {
657 .name = "1S",
658 .start = AB8540_INT_RTC_1S,
659 .end = AB8540_INT_RTC_1S,
660 .flags = IORESOURCE_IRQ,
661 },
662 {
663 .name = "ALARM",
664 .start = AB8500_INT_RTC_ALARM,
665 .end = AB8500_INT_RTC_ALARM,
666 .flags = IORESOURCE_IRQ,
667 },
668};
669
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500670static struct resource ab8500_poweronkey_db_resources[] = {
Sundar R Iyer77686512010-09-05 12:18:47 -0700671 {
672 .name = "ONKEY_DBF",
673 .start = AB8500_INT_PON_KEY1DB_F,
674 .end = AB8500_INT_PON_KEY1DB_F,
675 .flags = IORESOURCE_IRQ,
676 },
677 {
678 .name = "ONKEY_DBR",
679 .start = AB8500_INT_PON_KEY1DB_R,
680 .end = AB8500_INT_PON_KEY1DB_R,
681 .flags = IORESOURCE_IRQ,
682 },
683};
684
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500685static struct resource ab8500_av_acc_detect_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100686 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200687 .name = "ACC_DETECT_1DB_F",
688 .start = AB8500_INT_ACC_DETECT_1DB_F,
689 .end = AB8500_INT_ACC_DETECT_1DB_F,
690 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100691 },
692 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200693 .name = "ACC_DETECT_1DB_R",
694 .start = AB8500_INT_ACC_DETECT_1DB_R,
695 .end = AB8500_INT_ACC_DETECT_1DB_R,
696 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100697 },
698 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200699 .name = "ACC_DETECT_21DB_F",
700 .start = AB8500_INT_ACC_DETECT_21DB_F,
701 .end = AB8500_INT_ACC_DETECT_21DB_F,
702 .flags = IORESOURCE_IRQ,
703 },
704 {
705 .name = "ACC_DETECT_21DB_R",
706 .start = AB8500_INT_ACC_DETECT_21DB_R,
707 .end = AB8500_INT_ACC_DETECT_21DB_R,
708 .flags = IORESOURCE_IRQ,
709 },
710 {
711 .name = "ACC_DETECT_22DB_F",
712 .start = AB8500_INT_ACC_DETECT_22DB_F,
713 .end = AB8500_INT_ACC_DETECT_22DB_F,
714 .flags = IORESOURCE_IRQ,
715 },
716 {
717 .name = "ACC_DETECT_22DB_R",
718 .start = AB8500_INT_ACC_DETECT_22DB_R,
719 .end = AB8500_INT_ACC_DETECT_22DB_R,
720 .flags = IORESOURCE_IRQ,
721 },
722};
723
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500724static struct resource ab8500_charger_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200725 {
Mattias Walline098aded72010-12-02 15:40:31 +0100726 .name = "MAIN_CH_UNPLUG_DET",
727 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
728 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
729 .flags = IORESOURCE_IRQ,
730 },
731 {
732 .name = "MAIN_CHARGE_PLUG_DET",
733 .start = AB8500_INT_MAIN_CH_PLUG_DET,
734 .end = AB8500_INT_MAIN_CH_PLUG_DET,
735 .flags = IORESOURCE_IRQ,
736 },
737 {
Mattias Walline098aded72010-12-02 15:40:31 +0100738 .name = "VBUS_DET_R",
739 .start = AB8500_INT_VBUS_DET_R,
740 .end = AB8500_INT_VBUS_DET_R,
741 .flags = IORESOURCE_IRQ,
742 },
743 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200744 .name = "VBUS_DET_F",
745 .start = AB8500_INT_VBUS_DET_F,
746 .end = AB8500_INT_VBUS_DET_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100747 .flags = IORESOURCE_IRQ,
748 },
749 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200750 .name = "USB_LINK_STATUS",
751 .start = AB8500_INT_USB_LINK_STATUS,
752 .end = AB8500_INT_USB_LINK_STATUS,
753 .flags = IORESOURCE_IRQ,
754 },
755 {
Mattias Walline098aded72010-12-02 15:40:31 +0100756 .name = "VBUS_OVV",
757 .start = AB8500_INT_VBUS_OVV,
758 .end = AB8500_INT_VBUS_OVV,
759 .flags = IORESOURCE_IRQ,
760 },
761 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200762 .name = "USB_CH_TH_PROT_R",
763 .start = AB8500_INT_USB_CH_TH_PROT_R,
764 .end = AB8500_INT_USB_CH_TH_PROT_R,
Mattias Walline098aded72010-12-02 15:40:31 +0100765 .flags = IORESOURCE_IRQ,
766 },
767 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200768 .name = "USB_CH_TH_PROT_F",
769 .start = AB8500_INT_USB_CH_TH_PROT_F,
770 .end = AB8500_INT_USB_CH_TH_PROT_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100771 .flags = IORESOURCE_IRQ,
772 },
773 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200774 .name = "MAIN_EXT_CH_NOT_OK",
775 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
776 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
777 .flags = IORESOURCE_IRQ,
778 },
779 {
780 .name = "MAIN_CH_TH_PROT_R",
781 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
782 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
783 .flags = IORESOURCE_IRQ,
784 },
785 {
786 .name = "MAIN_CH_TH_PROT_F",
787 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
788 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
789 .flags = IORESOURCE_IRQ,
790 },
791 {
792 .name = "USB_CHARGER_NOT_OKR",
Bengt Jonssona9823622012-03-08 14:01:57 +0100793 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
794 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
Linus Walleij6af75ec2011-06-09 23:57:45 +0200795 .flags = IORESOURCE_IRQ,
796 },
797 {
798 .name = "CH_WD_EXP",
799 .start = AB8500_INT_CH_WD_EXP,
800 .end = AB8500_INT_CH_WD_EXP,
801 .flags = IORESOURCE_IRQ,
802 },
Paer-Olof Haakansson34c11a72012-02-22 19:07:51 +0100803 {
804 .name = "VBUS_CH_DROP_END",
805 .start = AB8500_INT_VBUS_CH_DROP_END,
806 .end = AB8500_INT_VBUS_CH_DROP_END,
807 .flags = IORESOURCE_IRQ,
808 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200809};
810
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500811static struct resource ab8500_btemp_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200812 {
813 .name = "BAT_CTRL_INDB",
814 .start = AB8500_INT_BAT_CTRL_INDB,
815 .end = AB8500_INT_BAT_CTRL_INDB,
Mattias Walline098aded72010-12-02 15:40:31 +0100816 .flags = IORESOURCE_IRQ,
817 },
818 {
819 .name = "BTEMP_LOW",
820 .start = AB8500_INT_BTEMP_LOW,
821 .end = AB8500_INT_BTEMP_LOW,
822 .flags = IORESOURCE_IRQ,
823 },
824 {
825 .name = "BTEMP_HIGH",
826 .start = AB8500_INT_BTEMP_HIGH,
827 .end = AB8500_INT_BTEMP_HIGH,
828 .flags = IORESOURCE_IRQ,
829 },
830 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200831 .name = "BTEMP_LOW_MEDIUM",
832 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
833 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
Mattias Walline098aded72010-12-02 15:40:31 +0100834 .flags = IORESOURCE_IRQ,
835 },
836 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200837 .name = "BTEMP_MEDIUM_HIGH",
838 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
839 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
Mattias Walline098aded72010-12-02 15:40:31 +0100840 .flags = IORESOURCE_IRQ,
841 },
842};
843
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500844static struct resource ab8500_fg_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200845 {
846 .name = "NCONV_ACCU",
847 .start = AB8500_INT_CCN_CONV_ACC,
848 .end = AB8500_INT_CCN_CONV_ACC,
849 .flags = IORESOURCE_IRQ,
850 },
851 {
852 .name = "BATT_OVV",
853 .start = AB8500_INT_BATT_OVV,
854 .end = AB8500_INT_BATT_OVV,
855 .flags = IORESOURCE_IRQ,
856 },
857 {
858 .name = "LOW_BAT_F",
859 .start = AB8500_INT_LOW_BAT_F,
860 .end = AB8500_INT_LOW_BAT_F,
861 .flags = IORESOURCE_IRQ,
862 },
863 {
864 .name = "LOW_BAT_R",
865 .start = AB8500_INT_LOW_BAT_R,
866 .end = AB8500_INT_LOW_BAT_R,
867 .flags = IORESOURCE_IRQ,
868 },
869 {
870 .name = "CC_INT_CALIB",
871 .start = AB8500_INT_CC_INT_CALIB,
872 .end = AB8500_INT_CC_INT_CALIB,
873 .flags = IORESOURCE_IRQ,
874 },
Bengt Jonssona9823622012-03-08 14:01:57 +0100875 {
876 .name = "CCEOC",
877 .start = AB8500_INT_CCEOC,
878 .end = AB8500_INT_CCEOC,
879 .flags = IORESOURCE_IRQ,
880 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200881};
882
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500883static struct resource ab8500_chargalg_resources[] = {};
Linus Walleij6af75ec2011-06-09 23:57:45 +0200884
Axel Lindf720642011-11-10 09:56:18 +0800885#ifdef CONFIG_DEBUG_FS
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500886static struct resource ab8500_debug_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100887 {
Linus Walleij69991812013-04-12 17:02:09 +0200888 .name = "IRQ_AB8500",
889 /*
890 * Number will be filled in. NOTE: this is deliberately
891 * not flagged as an IRQ in ordet to avoid remapping using
892 * the irqdomain in the MFD core, so that this IRQ passes
893 * unremapped to the debug code.
894 */
895 },
896 {
Mattias Walline098aded72010-12-02 15:40:31 +0100897 .name = "IRQ_FIRST",
898 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
899 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
900 .flags = IORESOURCE_IRQ,
901 },
902 {
903 .name = "IRQ_LAST",
Bengt Jonssona9823622012-03-08 14:01:57 +0100904 .start = AB8500_INT_XTAL32K_KO,
905 .end = AB8500_INT_XTAL32K_KO,
Mattias Walline098aded72010-12-02 15:40:31 +0100906 .flags = IORESOURCE_IRQ,
907 },
908};
Axel Lindf720642011-11-10 09:56:18 +0800909#endif
Mattias Walline098aded72010-12-02 15:40:31 +0100910
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500911static struct resource ab8500_usb_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100912 {
913 .name = "ID_WAKEUP_R",
914 .start = AB8500_INT_ID_WAKEUP_R,
915 .end = AB8500_INT_ID_WAKEUP_R,
916 .flags = IORESOURCE_IRQ,
917 },
918 {
919 .name = "ID_WAKEUP_F",
920 .start = AB8500_INT_ID_WAKEUP_F,
921 .end = AB8500_INT_ID_WAKEUP_F,
922 .flags = IORESOURCE_IRQ,
923 },
924 {
925 .name = "VBUS_DET_F",
926 .start = AB8500_INT_VBUS_DET_F,
927 .end = AB8500_INT_VBUS_DET_F,
928 .flags = IORESOURCE_IRQ,
929 },
930 {
931 .name = "VBUS_DET_R",
932 .start = AB8500_INT_VBUS_DET_R,
933 .end = AB8500_INT_VBUS_DET_R,
934 .flags = IORESOURCE_IRQ,
935 },
Mattias Wallin92d50a42010-12-07 11:20:47 +0100936 {
937 .name = "USB_LINK_STATUS",
938 .start = AB8500_INT_USB_LINK_STATUS,
939 .end = AB8500_INT_USB_LINK_STATUS,
940 .flags = IORESOURCE_IRQ,
941 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200942 {
943 .name = "USB_ADP_PROBE_PLUG",
944 .start = AB8500_INT_ADP_PROBE_PLUG,
945 .end = AB8500_INT_ADP_PROBE_PLUG,
946 .flags = IORESOURCE_IRQ,
947 },
948 {
949 .name = "USB_ADP_PROBE_UNPLUG",
950 .start = AB8500_INT_ADP_PROBE_UNPLUG,
951 .end = AB8500_INT_ADP_PROBE_UNPLUG,
952 .flags = IORESOURCE_IRQ,
953 },
Mattias Walline098aded72010-12-02 15:40:31 +0100954};
955
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500956static struct resource ab8505_iddet_resources[] = {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +0200957 {
958 .name = "KeyDeglitch",
959 .start = AB8505_INT_KEYDEGLITCH,
960 .end = AB8505_INT_KEYDEGLITCH,
961 .flags = IORESOURCE_IRQ,
962 },
963 {
964 .name = "KP",
965 .start = AB8505_INT_KP,
966 .end = AB8505_INT_KP,
967 .flags = IORESOURCE_IRQ,
968 },
969 {
970 .name = "IKP",
971 .start = AB8505_INT_IKP,
972 .end = AB8505_INT_IKP,
973 .flags = IORESOURCE_IRQ,
974 },
975 {
976 .name = "IKR",
977 .start = AB8505_INT_IKR,
978 .end = AB8505_INT_IKR,
979 .flags = IORESOURCE_IRQ,
980 },
981 {
982 .name = "KeyStuck",
983 .start = AB8505_INT_KEYSTUCK,
984 .end = AB8505_INT_KEYSTUCK,
985 .flags = IORESOURCE_IRQ,
986 },
Lee Jones492390c2013-02-25 15:06:18 +0000987 {
988 .name = "VBUS_DET_R",
989 .start = AB8500_INT_VBUS_DET_R,
990 .end = AB8500_INT_VBUS_DET_R,
991 .flags = IORESOURCE_IRQ,
992 },
993 {
994 .name = "VBUS_DET_F",
995 .start = AB8500_INT_VBUS_DET_F,
996 .end = AB8500_INT_VBUS_DET_F,
997 .flags = IORESOURCE_IRQ,
998 },
999 {
1000 .name = "ID_DET_PLUGR",
1001 .start = AB8500_INT_ID_DET_PLUGR,
1002 .end = AB8500_INT_ID_DET_PLUGR,
1003 .flags = IORESOURCE_IRQ,
1004 },
1005 {
1006 .name = "ID_DET_PLUGF",
1007 .start = AB8500_INT_ID_DET_PLUGF,
1008 .end = AB8500_INT_ID_DET_PLUGF,
1009 .flags = IORESOURCE_IRQ,
1010 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001011};
1012
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001013static struct resource ab8500_temp_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +01001014 {
Hongbo Zhang151621a2013-01-30 18:21:27 +08001015 .name = "ABX500_TEMP_WARM",
Mattias Walline098aded72010-12-02 15:40:31 +01001016 .start = AB8500_INT_TEMP_WARM,
1017 .end = AB8500_INT_TEMP_WARM,
1018 .flags = IORESOURCE_IRQ,
1019 },
1020};
1021
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001022static const struct mfd_cell ab8500_bm_devs[] = {
Rickard Andersson6ef94182012-04-17 09:30:57 +02001023 {
1024 .name = "ab8500-charger",
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001025 .of_compatible = "stericsson,ab8500-charger",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001026 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1027 .resources = ab8500_charger_resources,
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001028 .platform_data = &ab8500_bm_data,
1029 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001030 },
1031 {
1032 .name = "ab8500-btemp",
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001033 .of_compatible = "stericsson,ab8500-btemp",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001034 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1035 .resources = ab8500_btemp_resources,
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001036 .platform_data = &ab8500_bm_data,
1037 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001038 },
1039 {
1040 .name = "ab8500-fg",
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001041 .of_compatible = "stericsson,ab8500-fg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001042 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1043 .resources = ab8500_fg_resources,
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001044 .platform_data = &ab8500_bm_data,
1045 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001046 },
1047 {
1048 .name = "ab8500-chargalg",
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001049 .of_compatible = "stericsson,ab8500-chargalg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001050 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1051 .resources = ab8500_chargalg_resources,
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001052 .platform_data = &ab8500_bm_data,
1053 .pdata_size = sizeof(ab8500_bm_data),
Rickard Andersson6ef94182012-04-17 09:30:57 +02001054 },
1055};
1056
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001057static const struct mfd_cell ab8500_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001058#ifdef CONFIG_DEBUG_FS
Linus Walleijd6255522012-02-20 21:42:24 +01001059 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001060 .name = "ab8500-debug",
1061 .of_compatible = "stericsson,ab8500-debug",
1062 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1063 .resources = ab8500_debug_resources,
1064 },
1065#endif
1066 {
1067 .name = "ab8500-sysctrl",
1068 .of_compatible = "stericsson,ab8500-sysctrl",
1069 },
1070 {
Lee Jones53f325b2013-06-07 16:07:47 +01001071 .name = "ab8500-ext-regulator",
1072 .of_compatible = "stericsson,ab8500-ext-regulator",
1073 },
1074 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001075 .name = "ab8500-regulator",
1076 .of_compatible = "stericsson,ab8500-regulator",
1077 },
1078 {
1079 .name = "abx500-clk",
1080 .of_compatible = "stericsson,abx500-clk",
1081 },
1082 {
1083 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001084 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001085 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1086 .resources = ab8500_gpadc_resources,
1087 },
1088 {
1089 .name = "ab8500-rtc",
1090 .of_compatible = "stericsson,ab8500-rtc",
1091 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1092 .resources = ab8500_rtc_resources,
1093 },
1094 {
1095 .name = "ab8500-acc-det",
1096 .of_compatible = "stericsson,ab8500-acc-det",
1097 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1098 .resources = ab8500_av_acc_detect_resources,
1099 },
1100 {
1101
1102 .name = "ab8500-poweron-key",
1103 .of_compatible = "stericsson,ab8500-poweron-key",
1104 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1105 .resources = ab8500_poweronkey_db_resources,
1106 },
1107 {
1108 .name = "ab8500-pwm",
1109 .of_compatible = "stericsson,ab8500-pwm",
1110 .id = 1,
1111 },
1112 {
1113 .name = "ab8500-pwm",
1114 .of_compatible = "stericsson,ab8500-pwm",
1115 .id = 2,
1116 },
1117 {
1118 .name = "ab8500-pwm",
1119 .of_compatible = "stericsson,ab8500-pwm",
1120 .id = 3,
1121 },
1122 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001123 .name = "ab8500-denc",
1124 .of_compatible = "stericsson,ab8500-denc",
1125 },
1126 {
Lee Joneseb696c32013-05-07 11:29:55 +01001127 .name = "pinctrl-ab8500",
Lee Jonesbad76992012-07-02 17:10:56 +02001128 .of_compatible = "stericsson,ab8500-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001129 },
1130 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001131 .name = "abx500-temp",
1132 .of_compatible = "stericsson,abx500-temp",
1133 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1134 .resources = ab8500_temp_resources,
1135 },
1136 {
Linus Walleijd6255522012-02-20 21:42:24 +01001137 .name = "ab8500-usb",
Fabio Baltierif201f732013-04-09 10:57:21 +02001138 .of_compatible = "stericsson,ab8500-usb",
Linus Walleijd6255522012-02-20 21:42:24 +01001139 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1140 .resources = ab8500_usb_resources,
1141 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001142 {
1143 .name = "ab8500-codec",
Fabio Baltierifccf14a2013-05-30 15:27:45 +02001144 .of_compatible = "stericsson,ab8500-codec",
Lee Jones4b106fb2013-02-25 14:42:00 +00001145 },
1146};
1147
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001148static const struct mfd_cell ab9540_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001149#ifdef CONFIG_DEBUG_FS
1150 {
1151 .name = "ab8500-debug",
1152 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1153 .resources = ab8500_debug_resources,
1154 },
1155#endif
1156 {
1157 .name = "ab8500-sysctrl",
1158 },
1159 {
Lee Jones53f325b2013-06-07 16:07:47 +01001160 .name = "ab8500-ext-regulator",
1161 },
1162 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001163 .name = "ab8500-regulator",
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001164 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001165 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001166 .name = "abx500-clk",
1167 .of_compatible = "stericsson,abx500-clk",
1168 },
1169 {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001170 .name = "ab8500-gpadc",
1171 .of_compatible = "stericsson,ab8500-gpadc",
1172 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
1173 .resources = ab8500_gpadc_resources,
1174 },
Lee Jones4b106fb2013-02-25 14:42:00 +00001175 {
1176 .name = "ab8500-rtc",
1177 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1178 .resources = ab8500_rtc_resources,
1179 },
1180 {
1181 .name = "ab8500-acc-det",
1182 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1183 .resources = ab8500_av_acc_detect_resources,
1184 },
1185 {
1186 .name = "ab8500-poweron-key",
1187 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1188 .resources = ab8500_poweronkey_db_resources,
1189 },
1190 {
1191 .name = "ab8500-pwm",
1192 .id = 1,
1193 },
1194 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001195 .name = "abx500-temp",
1196 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1197 .resources = ab8500_temp_resources,
1198 },
Linus Walleijd6255522012-02-20 21:42:24 +01001199 {
Lee Jonese64d9052013-01-16 15:09:36 +00001200 .name = "pinctrl-ab9540",
1201 .of_compatible = "stericsson,ab9540-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001202 },
1203 {
1204 .name = "ab9540-usb",
1205 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1206 .resources = ab8500_usb_resources,
1207 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001208 {
1209 .name = "ab9540-codec",
1210 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001211 {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001212 .name = "ab-iddet",
1213 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1214 .resources = ab8505_iddet_resources,
1215 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001216};
1217
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001218/* Device list for ab8505 */
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001219static const struct mfd_cell ab8505_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001220#ifdef CONFIG_DEBUG_FS
1221 {
1222 .name = "ab8500-debug",
1223 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1224 .resources = ab8500_debug_resources,
1225 },
1226#endif
1227 {
1228 .name = "ab8500-sysctrl",
1229 },
1230 {
1231 .name = "ab8500-regulator",
1232 },
1233 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001234 .name = "abx500-clk",
1235 .of_compatible = "stericsson,abx500-clk",
1236 },
1237 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001238 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001239 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001240 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1241 .resources = ab8505_gpadc_resources,
1242 },
1243 {
1244 .name = "ab8500-rtc",
1245 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1246 .resources = ab8500_rtc_resources,
1247 },
1248 {
1249 .name = "ab8500-acc-det",
1250 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1251 .resources = ab8500_av_acc_detect_resources,
1252 },
1253 {
1254 .name = "ab8500-poweron-key",
1255 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1256 .resources = ab8500_poweronkey_db_resources,
1257 },
1258 {
1259 .name = "ab8500-pwm",
1260 .id = 1,
1261 },
1262 {
Lee Joneseb696c32013-05-07 11:29:55 +01001263 .name = "pinctrl-ab8505",
Lee Jones4b106fb2013-02-25 14:42:00 +00001264 },
1265 {
1266 .name = "ab8500-usb",
1267 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1268 .resources = ab8500_usb_resources,
1269 },
1270 {
1271 .name = "ab8500-codec",
1272 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001273 {
1274 .name = "ab-iddet",
1275 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1276 .resources = ab8505_iddet_resources,
1277 },
1278};
1279
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001280static const struct mfd_cell ab8540_devs[] = {
Lee Jones4b106fb2013-02-25 14:42:00 +00001281#ifdef CONFIG_DEBUG_FS
1282 {
1283 .name = "ab8500-debug",
1284 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
1285 .resources = ab8500_debug_resources,
1286 },
1287#endif
1288 {
1289 .name = "ab8500-sysctrl",
1290 },
1291 {
Lee Jones53f325b2013-06-07 16:07:47 +01001292 .name = "ab8500-ext-regulator",
1293 },
1294 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001295 .name = "ab8500-regulator",
1296 },
1297 {
Ulf Hansson9ee17672012-11-20 14:57:25 +01001298 .name = "abx500-clk",
1299 .of_compatible = "stericsson,abx500-clk",
1300 },
1301 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001302 .name = "ab8500-gpadc",
Lee Jones955de2e2013-05-08 14:29:09 +01001303 .of_compatible = "stericsson,ab8500-gpadc",
Lee Jones4b106fb2013-02-25 14:42:00 +00001304 .num_resources = ARRAY_SIZE(ab8505_gpadc_resources),
1305 .resources = ab8505_gpadc_resources,
1306 },
1307 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001308 .name = "ab8500-acc-det",
1309 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
1310 .resources = ab8500_av_acc_detect_resources,
1311 },
1312 {
1313 .name = "ab8500-poweron-key",
1314 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
1315 .resources = ab8500_poweronkey_db_resources,
1316 },
1317 {
1318 .name = "ab8500-pwm",
1319 .id = 1,
1320 },
1321 {
Lee Jones4b106fb2013-02-25 14:42:00 +00001322 .name = "abx500-temp",
1323 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1324 .resources = ab8500_temp_resources,
1325 },
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001326 {
Lee Joneseb696c32013-05-07 11:29:55 +01001327 .name = "pinctrl-ab8540",
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001328 },
1329 {
1330 .name = "ab8540-usb",
1331 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1332 .resources = ab8500_usb_resources,
1333 },
1334 {
1335 .name = "ab8540-codec",
1336 },
1337 {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001338 .name = "ab-iddet",
1339 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1340 .resources = ab8505_iddet_resources,
1341 },
Linus Walleijd6255522012-02-20 21:42:24 +01001342};
1343
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001344static const struct mfd_cell ab8540_cut1_devs[] = {
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001345 {
1346 .name = "ab8500-rtc",
1347 .of_compatible = "stericsson,ab8500-rtc",
1348 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
1349 .resources = ab8500_rtc_resources,
1350 },
1351};
1352
Geert Uytterhoeven5ac98552013-11-18 14:33:06 +01001353static const struct mfd_cell ab8540_cut2_devs[] = {
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001354 {
1355 .name = "ab8540-rtc",
1356 .of_compatible = "stericsson,ab8540-rtc",
1357 .num_resources = ARRAY_SIZE(ab8540_rtc_resources),
1358 .resources = ab8540_rtc_resources,
1359 },
1360};
1361
Mattias Wallincca69b62010-12-02 15:09:36 +01001362static ssize_t show_chip_id(struct device *dev,
1363 struct device_attribute *attr, char *buf)
1364{
1365 struct ab8500 *ab8500;
1366
1367 ab8500 = dev_get_drvdata(dev);
Lee Jonese436ddf2013-02-26 10:09:41 +00001368
Mattias Wallincca69b62010-12-02 15:09:36 +01001369 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1370}
1371
Mattias Walline5c238c2011-03-02 11:52:36 +01001372/*
1373 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1374 * 0x01 Swoff bit programming
1375 * 0x02 Thermal protection activation
1376 * 0x04 Vbat lower then BattOk falling threshold
1377 * 0x08 Watchdog expired
1378 * 0x10 Non presence of 32kHz clock
1379 * 0x20 Battery level lower than power on reset threshold
1380 * 0x40 Power on key 1 pressed longer than 10 seconds
1381 * 0x80 DB8500 thermal shutdown
1382 */
1383static ssize_t show_switch_off_status(struct device *dev,
1384 struct device_attribute *attr, char *buf)
1385{
1386 int ret;
1387 u8 value;
1388 struct ab8500 *ab8500;
1389
1390 ab8500 = dev_get_drvdata(dev);
1391 ret = get_register_interruptible(ab8500, AB8500_RTC,
1392 AB8500_SWITCH_OFF_STATUS, &value);
1393 if (ret < 0)
1394 return ret;
1395 return sprintf(buf, "%#x\n", value);
1396}
1397
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301398/* use mask and set to override the register turn_on_stat value */
1399void ab8500_override_turn_on_stat(u8 mask, u8 set)
1400{
1401 spin_lock(&on_stat_lock);
1402 turn_on_stat_mask = mask;
1403 turn_on_stat_set = set;
1404 spin_unlock(&on_stat_lock);
1405}
1406
Andrew Lynnb4a31032011-10-11 10:49:47 +02001407/*
1408 * ab8500 has turned on due to (TURN_ON_STATUS):
1409 * 0x01 PORnVbat
1410 * 0x02 PonKey1dbF
1411 * 0x04 PonKey2dbF
1412 * 0x08 RTCAlarm
1413 * 0x10 MainChDet
1414 * 0x20 VbusDet
1415 * 0x40 UsbIDDetect
1416 * 0x80 Reserved
1417 */
1418static ssize_t show_turn_on_status(struct device *dev,
1419 struct device_attribute *attr, char *buf)
1420{
1421 int ret;
1422 u8 value;
1423 struct ab8500 *ab8500;
1424
1425 ab8500 = dev_get_drvdata(dev);
1426 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1427 AB8500_TURN_ON_STATUS, &value);
1428 if (ret < 0)
1429 return ret;
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301430
1431 /*
1432 * In L9540, turn_on_status register is not updated correctly if
1433 * the device is rebooted with AC/USB charger connected. Due to
1434 * this, the device boots android instead of entering into charge
1435 * only mode. Read the AC/USB status register to detect the charger
1436 * presence and update the turn on status manually.
1437 */
1438 if (is_ab9540(ab8500)) {
1439 spin_lock(&on_stat_lock);
1440 value = (value & turn_on_stat_mask) | turn_on_stat_set;
1441 spin_unlock(&on_stat_lock);
1442 }
1443
Andrew Lynnb4a31032011-10-11 10:49:47 +02001444 return sprintf(buf, "%#x\n", value);
1445}
1446
Lee Jones93ff7222012-05-31 16:16:36 +02001447static ssize_t show_turn_on_status_2(struct device *dev,
1448 struct device_attribute *attr, char *buf)
1449{
1450 int ret;
1451 u8 value;
1452 struct ab8500 *ab8500;
1453
1454 ab8500 = dev_get_drvdata(dev);
1455 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1456 AB8505_TURN_ON_STATUS_2, &value);
1457 if (ret < 0)
1458 return ret;
1459 return sprintf(buf, "%#x\n", (value & 0x1));
1460}
1461
Linus Walleijd6255522012-02-20 21:42:24 +01001462static ssize_t show_ab9540_dbbrstn(struct device *dev,
1463 struct device_attribute *attr, char *buf)
1464{
1465 struct ab8500 *ab8500;
1466 int ret;
1467 u8 value;
1468
1469 ab8500 = dev_get_drvdata(dev);
1470
1471 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1472 AB9540_MODEM_CTRL2_REG, &value);
1473 if (ret < 0)
1474 return ret;
1475
1476 return sprintf(buf, "%d\n",
1477 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1478}
1479
1480static ssize_t store_ab9540_dbbrstn(struct device *dev,
1481 struct device_attribute *attr, const char *buf, size_t count)
1482{
1483 struct ab8500 *ab8500;
1484 int ret = count;
1485 int err;
1486 u8 bitvalues;
1487
1488 ab8500 = dev_get_drvdata(dev);
1489
1490 if (count > 0) {
1491 switch (buf[0]) {
1492 case '0':
1493 bitvalues = 0;
1494 break;
1495 case '1':
1496 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1497 break;
1498 default:
1499 goto exit;
1500 }
1501
1502 err = mask_and_set_register_interruptible(ab8500,
1503 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1504 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1505 if (err)
1506 dev_info(ab8500->dev,
1507 "Failed to set DBBRSTN %c, err %#x\n",
1508 buf[0], err);
1509 }
1510
1511exit:
1512 return ret;
1513}
1514
Mattias Wallincca69b62010-12-02 15:09:36 +01001515static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
Mattias Walline5c238c2011-03-02 11:52:36 +01001516static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
Andrew Lynnb4a31032011-10-11 10:49:47 +02001517static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
Lee Jones93ff7222012-05-31 16:16:36 +02001518static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
Linus Walleijd6255522012-02-20 21:42:24 +01001519static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1520 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
Mattias Wallincca69b62010-12-02 15:09:36 +01001521
1522static struct attribute *ab8500_sysfs_entries[] = {
1523 &dev_attr_chip_id.attr,
Mattias Walline5c238c2011-03-02 11:52:36 +01001524 &dev_attr_switch_off_status.attr,
Andrew Lynnb4a31032011-10-11 10:49:47 +02001525 &dev_attr_turn_on_status.attr,
Mattias Wallincca69b62010-12-02 15:09:36 +01001526 NULL,
1527};
1528
Lee Jones93ff7222012-05-31 16:16:36 +02001529static struct attribute *ab8505_sysfs_entries[] = {
1530 &dev_attr_turn_on_status_2.attr,
1531 NULL,
1532};
1533
Linus Walleijd6255522012-02-20 21:42:24 +01001534static struct attribute *ab9540_sysfs_entries[] = {
1535 &dev_attr_chip_id.attr,
1536 &dev_attr_switch_off_status.attr,
1537 &dev_attr_turn_on_status.attr,
1538 &dev_attr_dbbrstn.attr,
1539 NULL,
1540};
1541
Mattias Wallincca69b62010-12-02 15:09:36 +01001542static struct attribute_group ab8500_attr_group = {
1543 .attrs = ab8500_sysfs_entries,
1544};
1545
Lee Jones93ff7222012-05-31 16:16:36 +02001546static struct attribute_group ab8505_attr_group = {
1547 .attrs = ab8505_sysfs_entries,
1548};
1549
Linus Walleijd6255522012-02-20 21:42:24 +01001550static struct attribute_group ab9540_attr_group = {
1551 .attrs = ab9540_sysfs_entries,
1552};
1553
Bill Pembertonf791be42012-11-19 13:23:04 -05001554static int ab8500_probe(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001555{
Lee Jones7ccf40b2014-05-08 14:11:37 +01001556 static const char *switch_off_status[] = {
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001557 "Swoff bit programming",
1558 "Thermal protection activation",
1559 "Vbat lower then BattOk falling threshold",
1560 "Watchdog expired",
1561 "Non presence of 32kHz clock",
1562 "Battery level lower than power on reset threshold",
1563 "Power on key 1 pressed longer than 10 seconds",
1564 "DB8500 thermal shutdown"};
Lee Jones7ccf40b2014-05-08 14:11:37 +01001565 static const char *turn_on_status[] = {
Mattias Wallinabee26c2012-09-28 09:34:24 +02001566 "Battery rising (Vbat)",
1567 "Power On Key 1 dbF",
1568 "Power On Key 2 dbF",
1569 "RTC Alarm",
1570 "Main Charger Detect",
1571 "Vbus Detect (USB)",
1572 "USB ID Detect",
1573 "UART Factory Mode Detect"};
Lee Jonesd28f1db2012-05-19 17:21:37 +02001574 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1575 const struct platform_device_id *platid = platform_get_device_id(pdev);
Lee Jones6bc4a562012-05-17 14:45:13 +01001576 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1577 struct device_node *np = pdev->dev.of_node;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001578 struct ab8500 *ab8500;
1579 struct resource *resource;
Rabin Vincent62579262010-05-19 11:39:02 +02001580 int ret;
1581 int i;
Mattias Wallin47c16972010-09-10 17:47:56 +02001582 u8 value;
Rabin Vincent62579262010-05-19 11:39:02 +02001583
Lee Jones7ccf40b2014-05-08 14:11:37 +01001584 ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001585 if (!ab8500)
1586 return -ENOMEM;
1587
Lee Jonesd28f1db2012-05-19 17:21:37 +02001588 ab8500->dev = &pdev->dev;
1589
1590 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
Linus Walleijf864c462014-02-04 00:35:56 +01001591 if (!resource) {
1592 dev_err(&pdev->dev, "no IRQ resource\n");
Lee Jones8c4203c2012-11-05 16:10:35 +01001593 return -ENODEV;
Linus Walleijf864c462014-02-04 00:35:56 +01001594 }
Lee Jonesd28f1db2012-05-19 17:21:37 +02001595
1596 ab8500->irq = resource->start;
1597
Lee Jones822672a2012-06-20 13:56:38 +01001598 ab8500->read = ab8500_prcmu_read;
1599 ab8500->write = ab8500_prcmu_write;
1600 ab8500->write_masked = ab8500_prcmu_write_masked;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001601
Rabin Vincent62579262010-05-19 11:39:02 +02001602 mutex_init(&ab8500->lock);
1603 mutex_init(&ab8500->irq_lock);
Jonas Aaberg112a80d2012-04-17 09:30:33 +02001604 atomic_set(&ab8500->transfer_ongoing, 0);
Rabin Vincent62579262010-05-19 11:39:02 +02001605
Lee Jonesd28f1db2012-05-19 17:21:37 +02001606 platform_set_drvdata(pdev, ab8500);
1607
Lee Jones6bc4a562012-05-17 14:45:13 +01001608 if (platid)
1609 version = platid->driver_data;
Lee Jones6bc4a562012-05-17 14:45:13 +01001610
Linus Walleij0f6208372012-02-20 21:42:10 +01001611 if (version != AB8500_VERSION_UNDEFINED)
1612 ab8500->version = version;
1613 else {
1614 ret = get_register_interruptible(ab8500, AB8500_MISC,
1615 AB8500_IC_NAME_REG, &value);
Linus Walleijf864c462014-02-04 00:35:56 +01001616 if (ret < 0) {
1617 dev_err(&pdev->dev, "could not probe HW\n");
Lee Jones8c4203c2012-11-05 16:10:35 +01001618 return ret;
Linus Walleijf864c462014-02-04 00:35:56 +01001619 }
Linus Walleij0f6208372012-02-20 21:42:10 +01001620
1621 ab8500->version = value;
1622 }
1623
Mattias Wallin47c16972010-09-10 17:47:56 +02001624 ret = get_register_interruptible(ab8500, AB8500_MISC,
1625 AB8500_REV_REG, &value);
Rabin Vincent62579262010-05-19 11:39:02 +02001626 if (ret < 0)
Lee Jones8c4203c2012-11-05 16:10:35 +01001627 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001628
Mattias Wallin47c16972010-09-10 17:47:56 +02001629 ab8500->chip_id = value;
Rabin Vincent62579262010-05-19 11:39:02 +02001630
Linus Walleij0f6208372012-02-20 21:42:10 +01001631 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1632 ab8500_version_str[ab8500->version],
1633 ab8500->chip_id >> 4,
1634 ab8500->chip_id & 0x0F);
1635
Lee Jones3e1a4982013-02-25 14:57:35 +00001636 /* Configure AB8540 */
1637 if (is_ab8540(ab8500)) {
1638 ab8500->mask_size = AB8540_NUM_IRQ_REGS;
1639 ab8500->irq_reg_offset = ab8540_irq_regoffset;
1640 ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
Lee Jones7ccf40b2014-05-08 14:11:37 +01001641 } /* Configure AB8500 or AB9540 IRQ */
Lee Jones3e1a4982013-02-25 14:57:35 +00001642 else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
Linus Walleijd6255522012-02-20 21:42:24 +01001643 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1644 ab8500->irq_reg_offset = ab9540_irq_regoffset;
Lee Jones3e1a4982013-02-25 14:57:35 +00001645 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
Linus Walleijd6255522012-02-20 21:42:24 +01001646 } else {
1647 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1648 ab8500->irq_reg_offset = ab8500_irq_regoffset;
Lee Jones3e1a4982013-02-25 14:57:35 +00001649 ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
Linus Walleijd6255522012-02-20 21:42:24 +01001650 }
Lee Jones7ccf40b2014-05-08 14:11:37 +01001651 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1652 GFP_KERNEL);
Linus Walleij2ced4452012-02-20 21:42:17 +01001653 if (!ab8500->mask)
1654 return -ENOMEM;
Lee Jones7ccf40b2014-05-08 14:11:37 +01001655 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
1656 GFP_KERNEL);
Lee Jones8c4203c2012-11-05 16:10:35 +01001657 if (!ab8500->oldmask)
1658 return -ENOMEM;
1659
Mattias Walline5c238c2011-03-02 11:52:36 +01001660 /*
1661 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1662 * 0x01 Swoff bit programming
1663 * 0x02 Thermal protection activation
1664 * 0x04 Vbat lower then BattOk falling threshold
1665 * 0x08 Watchdog expired
1666 * 0x10 Non presence of 32kHz clock
1667 * 0x20 Battery level lower than power on reset threshold
1668 * 0x40 Power on key 1 pressed longer than 10 seconds
1669 * 0x80 DB8500 thermal shutdown
1670 */
1671
1672 ret = get_register_interruptible(ab8500, AB8500_RTC,
1673 AB8500_SWITCH_OFF_STATUS, &value);
1674 if (ret < 0)
1675 return ret;
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001676 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1677
1678 if (value) {
1679 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1680 if (value & 1)
Lee Jones7ccf40b2014-05-08 14:11:37 +01001681 pr_cont(" \"%s\"", switch_off_status[i]);
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001682 value = value >> 1;
1683
1684 }
Lee Jones7ccf40b2014-05-08 14:11:37 +01001685 pr_cont("\n");
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001686 } else {
Lee Jones7ccf40b2014-05-08 14:11:37 +01001687 pr_cont(" None\n");
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001688 }
Mattias Wallinabee26c2012-09-28 09:34:24 +02001689 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1690 AB8500_TURN_ON_STATUS, &value);
1691 if (ret < 0)
1692 return ret;
1693 dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value);
1694
1695 if (value) {
1696 for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
1697 if (value & 1)
Lee Jones7ccf40b2014-05-08 14:11:37 +01001698 pr_cont("\"%s\" ", turn_on_status[i]);
Mattias Wallinabee26c2012-09-28 09:34:24 +02001699 value = value >> 1;
1700 }
Lee Jones7ccf40b2014-05-08 14:11:37 +01001701 pr_cont("\n");
Mattias Wallinabee26c2012-09-28 09:34:24 +02001702 } else {
Lee Jones7ccf40b2014-05-08 14:11:37 +01001703 pr_cont("None\n");
Mattias Wallinabee26c2012-09-28 09:34:24 +02001704 }
Mattias Walline5c238c2011-03-02 11:52:36 +01001705
Rabin Vincent62579262010-05-19 11:39:02 +02001706 if (plat && plat->init)
1707 plat->init(ab8500);
Mattias Wallinabee26c2012-09-28 09:34:24 +02001708
Rajkumar Kasirajanf04a9d82012-05-30 16:32:37 +05301709 if (is_ab9540(ab8500)) {
1710 ret = get_register_interruptible(ab8500, AB8500_CHARGER,
1711 AB8500_CH_USBCH_STAT1_REG, &value);
1712 if (ret < 0)
1713 return ret;
1714 if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100))
1715 ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON,
1716 AB8500_VBUS_DET);
1717 }
Rabin Vincent62579262010-05-19 11:39:02 +02001718
1719 /* Clear and mask all interrupts */
Linus Walleij2ced4452012-02-20 21:42:17 +01001720 for (i = 0; i < ab8500->mask_size; i++) {
Linus Walleij0f6208372012-02-20 21:42:10 +01001721 /*
1722 * Interrupt register 12 doesn't exist prior to AB8500 version
1723 * 2.0
1724 */
1725 if (ab8500->irq_reg_offset[i] == 11 &&
1726 is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +01001727 continue;
Rabin Vincent62579262010-05-19 11:39:02 +02001728
Lee Jones3e1a4982013-02-25 14:57:35 +00001729 if (ab8500->irq_reg_offset[i] < 0)
1730 continue;
1731
Mattias Wallin47c16972010-09-10 17:47:56 +02001732 get_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001733 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
Mattias Wallin92d50a42010-12-07 11:20:47 +01001734 &value);
Mattias Wallin47c16972010-09-10 17:47:56 +02001735 set_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001736 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
Rabin Vincent62579262010-05-19 11:39:02 +02001737 }
1738
Mattias Wallin47c16972010-09-10 17:47:56 +02001739 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1740 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001741 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +02001742
Linus Walleij2ced4452012-02-20 21:42:17 +01001743 for (i = 0; i < ab8500->mask_size; i++)
Rabin Vincent62579262010-05-19 11:39:02 +02001744 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1745
Lee Jones06e589e2012-06-20 13:56:37 +01001746 ret = ab8500_irq_init(ab8500, np);
1747 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001748 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001749
Dariusz Szymczakf348fef2012-11-26 13:31:26 +01001750 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1751 ab8500_hierarchical_irq,
1752 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1753 "ab8500", ab8500);
1754 if (ret)
1755 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001756
Fabio Estevam72ef8e42014-07-29 22:29:48 -03001757#ifdef CONFIG_DEBUG_FS
Linus Walleij69991812013-04-12 17:02:09 +02001758 /* Pass to debugfs */
1759 ab8500_debug_resources[0].start = ab8500->irq;
1760 ab8500_debug_resources[0].end = ab8500->irq;
1761#endif
1762
Lee Jonesbad76992012-07-02 17:10:56 +02001763 if (is_ab9540(ab8500))
1764 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1765 ARRAY_SIZE(ab9540_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001766 0, ab8500->domain);
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001767 else if (is_ab8540(ab8500)) {
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001768 ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
1769 ARRAY_SIZE(ab8540_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001770 0, ab8500->domain);
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001771 if (ret)
1772 return ret;
1773
1774 if (is_ab8540_1p2_or_earlier(ab8500))
1775 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
1776 ARRAY_SIZE(ab8540_cut1_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001777 0, ab8500->domain);
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001778 else /* ab8540 >= cut2 */
1779 ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
1780 ARRAY_SIZE(ab8540_cut2_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001781 0, ab8500->domain);
Alexandre Torgue9c717cf2013-05-24 11:59:47 +02001782 } else if (is_ab8505(ab8500))
Lee Jonesc0eda9a2013-02-12 15:04:09 +00001783 ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
1784 ARRAY_SIZE(ab8505_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001785 0, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001786 else
1787 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1788 ARRAY_SIZE(ab8500_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001789 0, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001790 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001791 return ret;
Linus Walleijd6255522012-02-20 21:42:24 +01001792
Rickard Andersson6ef94182012-04-17 09:30:57 +02001793 if (!no_bm) {
1794 /* Add battery management devices */
1795 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1796 ARRAY_SIZE(ab8500_bm_devs), NULL,
Linus Walleijf864c462014-02-04 00:35:56 +01001797 0, ab8500->domain);
Rickard Andersson6ef94182012-04-17 09:30:57 +02001798 if (ret)
1799 dev_err(ab8500->dev, "error adding bm devices\n");
1800 }
1801
Lee Jonese436ddf2013-02-26 10:09:41 +00001802 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1803 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +01001804 ret = sysfs_create_group(&ab8500->dev->kobj,
1805 &ab9540_attr_group);
1806 else
1807 ret = sysfs_create_group(&ab8500->dev->kobj,
1808 &ab8500_attr_group);
Lee Jones93ff7222012-05-31 16:16:36 +02001809
1810 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1811 ab8500->chip_id >= AB8500_CUT2P0)
1812 ret = sysfs_create_group(&ab8500->dev->kobj,
1813 &ab8505_attr_group);
1814
Mattias Wallincca69b62010-12-02 15:09:36 +01001815 if (ret)
1816 dev_err(ab8500->dev, "error creating sysfs entries\n");
Lee Jones06e589e2012-06-20 13:56:37 +01001817
1818 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001819}
1820
Bill Pemberton4740f732012-11-19 13:26:01 -05001821static int ab8500_remove(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001822{
Lee Jonesd28f1db2012-05-19 17:21:37 +02001823 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1824
Lee Jonese436ddf2013-02-26 10:09:41 +00001825 if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1826 ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
Linus Walleijd6255522012-02-20 21:42:24 +01001827 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1828 else
1829 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
Lee Jones06e589e2012-06-20 13:56:37 +01001830
Lee Jones93ff7222012-05-31 16:16:36 +02001831 if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
1832 ab8500->chip_id >= AB8500_CUT2P0)
1833 sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
1834
Rabin Vincent62579262010-05-19 11:39:02 +02001835 mfd_remove_devices(ab8500->dev);
Rabin Vincent62579262010-05-19 11:39:02 +02001836
1837 return 0;
1838}
1839
Lee Jonesd28f1db2012-05-19 17:21:37 +02001840static const struct platform_device_id ab8500_id[] = {
1841 { "ab8500-core", AB8500_VERSION_AB8500 },
1842 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1843 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1844 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1845 { }
1846};
1847
1848static struct platform_driver ab8500_core_driver = {
1849 .driver = {
1850 .name = "ab8500-core",
Lee Jonesd28f1db2012-05-19 17:21:37 +02001851 },
1852 .probe = ab8500_probe,
Bill Pemberton84449212012-11-19 13:20:24 -05001853 .remove = ab8500_remove,
Lee Jonesd28f1db2012-05-19 17:21:37 +02001854 .id_table = ab8500_id,
1855};
1856
1857static int __init ab8500_core_init(void)
1858{
1859 return platform_driver_register(&ab8500_core_driver);
1860}
1861
1862static void __exit ab8500_core_exit(void)
1863{
1864 platform_driver_unregister(&ab8500_core_driver);
1865}
Lee Jonesba7cbc32012-06-11 16:25:00 +01001866core_initcall(ab8500_core_init);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001867module_exit(ab8500_core_exit);
1868
Mattias Wallinadceed62011-03-02 11:51:11 +01001869MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
Rabin Vincent62579262010-05-19 11:39:02 +02001870MODULE_DESCRIPTION("AB8500 MFD core");
1871MODULE_LICENSE("GPL v2");