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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 Jonesd28f1db2012-05-19 17:21:37 +020022#include <linux/mfd/dbx500-prcmu.h>
Sundar R Iyer549931f2010-07-13 11:51:28 +053023#include <linux/regulator/ab8500.h>
Lee Jones6bc4a562012-05-17 14:45:13 +010024#include <linux/of.h>
25#include <linux/of_device.h>
Rabin Vincent62579262010-05-19 11:39:02 +020026
27/*
28 * Interrupt register offsets
29 * Bank : 0x0E
30 */
Mattias Wallin47c16972010-09-10 17:47:56 +020031#define AB8500_IT_SOURCE1_REG 0x00
32#define AB8500_IT_SOURCE2_REG 0x01
33#define AB8500_IT_SOURCE3_REG 0x02
34#define AB8500_IT_SOURCE4_REG 0x03
35#define AB8500_IT_SOURCE5_REG 0x04
36#define AB8500_IT_SOURCE6_REG 0x05
37#define AB8500_IT_SOURCE7_REG 0x06
38#define AB8500_IT_SOURCE8_REG 0x07
Linus Walleijd6255522012-02-20 21:42:24 +010039#define AB9540_IT_SOURCE13_REG 0x0C
Mattias Wallin47c16972010-09-10 17:47:56 +020040#define AB8500_IT_SOURCE19_REG 0x12
41#define AB8500_IT_SOURCE20_REG 0x13
42#define AB8500_IT_SOURCE21_REG 0x14
43#define AB8500_IT_SOURCE22_REG 0x15
44#define AB8500_IT_SOURCE23_REG 0x16
45#define AB8500_IT_SOURCE24_REG 0x17
Rabin Vincent62579262010-05-19 11:39:02 +020046
47/*
48 * latch registers
49 */
Mattias Wallin47c16972010-09-10 17:47:56 +020050#define AB8500_IT_LATCH1_REG 0x20
51#define AB8500_IT_LATCH2_REG 0x21
52#define AB8500_IT_LATCH3_REG 0x22
53#define AB8500_IT_LATCH4_REG 0x23
54#define AB8500_IT_LATCH5_REG 0x24
55#define AB8500_IT_LATCH6_REG 0x25
56#define AB8500_IT_LATCH7_REG 0x26
57#define AB8500_IT_LATCH8_REG 0x27
58#define AB8500_IT_LATCH9_REG 0x28
59#define AB8500_IT_LATCH10_REG 0x29
Mattias Wallin92d50a42010-12-07 11:20:47 +010060#define AB8500_IT_LATCH12_REG 0x2B
Linus Walleijd6255522012-02-20 21:42:24 +010061#define AB9540_IT_LATCH13_REG 0x2C
Mattias Wallin47c16972010-09-10 17:47:56 +020062#define AB8500_IT_LATCH19_REG 0x32
63#define AB8500_IT_LATCH20_REG 0x33
64#define AB8500_IT_LATCH21_REG 0x34
65#define AB8500_IT_LATCH22_REG 0x35
66#define AB8500_IT_LATCH23_REG 0x36
67#define AB8500_IT_LATCH24_REG 0x37
Rabin Vincent62579262010-05-19 11:39:02 +020068
69/*
70 * mask registers
71 */
72
Mattias Wallin47c16972010-09-10 17:47:56 +020073#define AB8500_IT_MASK1_REG 0x40
74#define AB8500_IT_MASK2_REG 0x41
75#define AB8500_IT_MASK3_REG 0x42
76#define AB8500_IT_MASK4_REG 0x43
77#define AB8500_IT_MASK5_REG 0x44
78#define AB8500_IT_MASK6_REG 0x45
79#define AB8500_IT_MASK7_REG 0x46
80#define AB8500_IT_MASK8_REG 0x47
81#define AB8500_IT_MASK9_REG 0x48
82#define AB8500_IT_MASK10_REG 0x49
83#define AB8500_IT_MASK11_REG 0x4A
84#define AB8500_IT_MASK12_REG 0x4B
85#define AB8500_IT_MASK13_REG 0x4C
86#define AB8500_IT_MASK14_REG 0x4D
87#define AB8500_IT_MASK15_REG 0x4E
88#define AB8500_IT_MASK16_REG 0x4F
89#define AB8500_IT_MASK17_REG 0x50
90#define AB8500_IT_MASK18_REG 0x51
91#define AB8500_IT_MASK19_REG 0x52
92#define AB8500_IT_MASK20_REG 0x53
93#define AB8500_IT_MASK21_REG 0x54
94#define AB8500_IT_MASK22_REG 0x55
95#define AB8500_IT_MASK23_REG 0x56
96#define AB8500_IT_MASK24_REG 0x57
Rabin Vincent62579262010-05-19 11:39:02 +020097
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +020098/*
99 * latch hierarchy registers
100 */
101#define AB8500_IT_LATCHHIER1_REG 0x60
102#define AB8500_IT_LATCHHIER2_REG 0x61
103#define AB8500_IT_LATCHHIER3_REG 0x62
104
105#define AB8500_IT_LATCHHIER_NUM 3
106
Mattias Wallin47c16972010-09-10 17:47:56 +0200107#define AB8500_REV_REG 0x80
Linus Walleij0f6208372012-02-20 21:42:10 +0100108#define AB8500_IC_NAME_REG 0x82
Mattias Walline5c238c2011-03-02 11:52:36 +0100109#define AB8500_SWITCH_OFF_STATUS 0x00
Rabin Vincent62579262010-05-19 11:39:02 +0200110
Andrew Lynnb4a31032011-10-11 10:49:47 +0200111#define AB8500_TURN_ON_STATUS 0x00
112
Rickard Andersson6ef94182012-04-17 09:30:57 +0200113static bool no_bm; /* No battery management */
114module_param(no_bm, bool, S_IRUGO);
115
Linus Walleijd6255522012-02-20 21:42:24 +0100116#define AB9540_MODEM_CTRL2_REG 0x23
117#define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2)
118
Rabin Vincent62579262010-05-19 11:39:02 +0200119/*
120 * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
Linus Walleij2ced4452012-02-20 21:42:17 +0100121 * numbers are indexed into this array with (num / 8). The interupts are
122 * defined in linux/mfd/ab8500.h
Rabin Vincent62579262010-05-19 11:39:02 +0200123 *
124 * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
125 * offset 0.
126 */
Linus Walleij2ced4452012-02-20 21:42:17 +0100127/* AB8500 support */
Rabin Vincent62579262010-05-19 11:39:02 +0200128static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
Mattias Wallin92d50a42010-12-07 11:20:47 +0100129 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
Rabin Vincent62579262010-05-19 11:39:02 +0200130};
131
Linus Walleijd6255522012-02-20 21:42:24 +0100132/* AB9540 support */
133static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = {
134 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24,
135};
136
Linus Walleij0f6208372012-02-20 21:42:10 +0100137static const char ab8500_version_str[][7] = {
138 [AB8500_VERSION_AB8500] = "AB8500",
139 [AB8500_VERSION_AB8505] = "AB8505",
140 [AB8500_VERSION_AB9540] = "AB9540",
141 [AB8500_VERSION_AB8540] = "AB8540",
142};
143
Lee Jones822672a2012-06-20 13:56:38 +0100144static int ab8500_prcmu_write(struct ab8500 *ab8500, u16 addr, u8 data)
Lee Jonesd28f1db2012-05-19 17:21:37 +0200145{
146 int ret;
147
148 ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
149 if (ret < 0)
150 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
151 return ret;
152}
153
Lee Jones822672a2012-06-20 13:56:38 +0100154static int ab8500_prcmu_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask,
Lee Jonesd28f1db2012-05-19 17:21:37 +0200155 u8 data)
156{
157 int ret;
158
159 ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data,
160 &mask, 1);
161 if (ret < 0)
162 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
163 return ret;
164}
165
Lee Jones822672a2012-06-20 13:56:38 +0100166static int ab8500_prcmu_read(struct ab8500 *ab8500, u16 addr)
Lee Jonesd28f1db2012-05-19 17:21:37 +0200167{
168 int ret;
169 u8 data;
170
171 ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
172 if (ret < 0) {
173 dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
174 return ret;
175 }
176 return (int)data;
177}
178
Mattias Wallin47c16972010-09-10 17:47:56 +0200179static int ab8500_get_chip_id(struct device *dev)
180{
Mattias Wallin6bce7bf2010-12-02 15:08:32 +0100181 struct ab8500 *ab8500;
182
183 if (!dev)
184 return -EINVAL;
185 ab8500 = dev_get_drvdata(dev->parent);
186 return ab8500 ? (int)ab8500->chip_id : -EINVAL;
Mattias Wallin47c16972010-09-10 17:47:56 +0200187}
188
189static int set_register_interruptible(struct ab8500 *ab8500, u8 bank,
190 u8 reg, u8 data)
Rabin Vincent62579262010-05-19 11:39:02 +0200191{
192 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200193 /*
194 * Put the u8 bank and u8 register together into a an u16.
195 * The bank on higher 8 bits and register in lower 8 bits.
196 * */
197 u16 addr = ((u16)bank) << 8 | reg;
Rabin Vincent62579262010-05-19 11:39:02 +0200198
199 dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data);
200
Rabin Vincent392cbd12012-03-08 14:01:46 +0100201 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200202
203 ret = ab8500->write(ab8500, addr, data);
204 if (ret < 0)
205 dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
206 addr, ret);
207 mutex_unlock(&ab8500->lock);
208
209 return ret;
210}
211
212static int ab8500_set_register(struct device *dev, u8 bank,
213 u8 reg, u8 value)
214{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200215 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200216 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
217
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200218 atomic_inc(&ab8500->transfer_ongoing);
219 ret = set_register_interruptible(ab8500, bank, reg, value);
220 atomic_dec(&ab8500->transfer_ongoing);
221 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200222}
223
224static int get_register_interruptible(struct ab8500 *ab8500, u8 bank,
225 u8 reg, u8 *value)
226{
227 int ret;
228 /* put the u8 bank and u8 reg together into a an u16.
229 * bank on higher 8 bits and reg in lower */
230 u16 addr = ((u16)bank) << 8 | reg;
231
Rabin Vincent392cbd12012-03-08 14:01:46 +0100232 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200233
234 ret = ab8500->read(ab8500, addr);
235 if (ret < 0)
236 dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
237 addr, ret);
238 else
239 *value = ret;
240
241 mutex_unlock(&ab8500->lock);
242 dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
243
244 return ret;
245}
246
247static int ab8500_get_register(struct device *dev, u8 bank,
248 u8 reg, u8 *value)
249{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200250 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200251 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
252
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200253 atomic_inc(&ab8500->transfer_ongoing);
254 ret = get_register_interruptible(ab8500, bank, reg, value);
255 atomic_dec(&ab8500->transfer_ongoing);
256 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200257}
258
259static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank,
260 u8 reg, u8 bitmask, u8 bitvalues)
261{
262 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200263 /* put the u8 bank and u8 reg together into a an u16.
264 * bank on higher 8 bits and reg in lower */
265 u16 addr = ((u16)bank) << 8 | reg;
266
Rabin Vincent392cbd12012-03-08 14:01:46 +0100267 mutex_lock(&ab8500->lock);
Mattias Wallin47c16972010-09-10 17:47:56 +0200268
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100269 if (ab8500->write_masked == NULL) {
270 u8 data;
271
272 ret = ab8500->read(ab8500, addr);
273 if (ret < 0) {
274 dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
275 addr, ret);
276 goto out;
277 }
278
279 data = (u8)ret;
280 data = (~bitmask & data) | (bitmask & bitvalues);
281
282 ret = ab8500->write(ab8500, addr, data);
283 if (ret < 0)
284 dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
285 addr, ret);
286
287 dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr,
288 data);
Mattias Wallin47c16972010-09-10 17:47:56 +0200289 goto out;
290 }
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100291 ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues);
Rabin Vincent62579262010-05-19 11:39:02 +0200292 if (ret < 0)
Mattias Nilssonbc628fd2012-03-08 14:02:20 +0100293 dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr,
294 ret);
Rabin Vincent62579262010-05-19 11:39:02 +0200295out:
296 mutex_unlock(&ab8500->lock);
297 return ret;
298}
Mattias Wallin47c16972010-09-10 17:47:56 +0200299
300static int ab8500_mask_and_set_register(struct device *dev,
301 u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
302{
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200303 int ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200304 struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
305
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200306 atomic_inc(&ab8500->transfer_ongoing);
307 ret= mask_and_set_register_interruptible(ab8500, bank, reg,
308 bitmask, bitvalues);
309 atomic_dec(&ab8500->transfer_ongoing);
310 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +0200311}
312
313static struct abx500_ops ab8500_ops = {
314 .get_chip_id = ab8500_get_chip_id,
315 .get_register = ab8500_get_register,
316 .set_register = ab8500_set_register,
317 .get_register_page = NULL,
318 .set_register_page = NULL,
319 .mask_and_set_register = ab8500_mask_and_set_register,
320 .event_registers_startup_state_get = NULL,
321 .startup_irq_enabled = NULL,
Mian Yousaf Kaukab1d843a62012-01-27 11:35:41 +0100322 .dump_all_banks = ab8500_dump_all_banks,
Mattias Wallin47c16972010-09-10 17:47:56 +0200323};
Rabin Vincent62579262010-05-19 11:39:02 +0200324
Mark Brown9505a0a2010-12-11 13:16:08 +0000325static void ab8500_irq_lock(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200326{
Mark Brown9505a0a2010-12-11 13:16:08 +0000327 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Rabin Vincent62579262010-05-19 11:39:02 +0200328
329 mutex_lock(&ab8500->irq_lock);
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200330 atomic_inc(&ab8500->transfer_ongoing);
Rabin Vincent62579262010-05-19 11:39:02 +0200331}
332
Mark Brown9505a0a2010-12-11 13:16:08 +0000333static void ab8500_irq_sync_unlock(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200334{
Mark Brown9505a0a2010-12-11 13:16:08 +0000335 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Rabin Vincent62579262010-05-19 11:39:02 +0200336 int i;
337
Linus Walleij2ced4452012-02-20 21:42:17 +0100338 for (i = 0; i < ab8500->mask_size; i++) {
Rabin Vincent62579262010-05-19 11:39:02 +0200339 u8 old = ab8500->oldmask[i];
340 u8 new = ab8500->mask[i];
341 int reg;
342
343 if (new == old)
344 continue;
345
Linus Walleij0f6208372012-02-20 21:42:10 +0100346 /*
347 * Interrupt register 12 doesn't exist prior to AB8500 version
348 * 2.0
349 */
350 if (ab8500->irq_reg_offset[i] == 11 &&
351 is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +0100352 continue;
353
Rabin Vincent62579262010-05-19 11:39:02 +0200354 ab8500->oldmask[i] = new;
355
Linus Walleij2ced4452012-02-20 21:42:17 +0100356 reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i];
Mattias Wallin47c16972010-09-10 17:47:56 +0200357 set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new);
Rabin Vincent62579262010-05-19 11:39:02 +0200358 }
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200359 atomic_dec(&ab8500->transfer_ongoing);
Rabin Vincent62579262010-05-19 11:39:02 +0200360 mutex_unlock(&ab8500->irq_lock);
361}
362
Mark Brown9505a0a2010-12-11 13:16:08 +0000363static void ab8500_irq_mask(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200364{
Mark Brown9505a0a2010-12-11 13:16:08 +0000365 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Lee Jones06e589e2012-06-20 13:56:37 +0100366 int offset = data->hwirq;
Rabin Vincent62579262010-05-19 11:39:02 +0200367 int index = offset / 8;
368 int mask = 1 << (offset % 8);
369
370 ab8500->mask[index] |= mask;
371}
372
Mark Brown9505a0a2010-12-11 13:16:08 +0000373static void ab8500_irq_unmask(struct irq_data *data)
Rabin Vincent62579262010-05-19 11:39:02 +0200374{
Mark Brown9505a0a2010-12-11 13:16:08 +0000375 struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
Lee Jones06e589e2012-06-20 13:56:37 +0100376 int offset = data->hwirq;
Rabin Vincent62579262010-05-19 11:39:02 +0200377 int index = offset / 8;
378 int mask = 1 << (offset % 8);
379
380 ab8500->mask[index] &= ~mask;
381}
382
383static struct irq_chip ab8500_irq_chip = {
384 .name = "ab8500",
Mark Brown9505a0a2010-12-11 13:16:08 +0000385 .irq_bus_lock = ab8500_irq_lock,
386 .irq_bus_sync_unlock = ab8500_irq_sync_unlock,
387 .irq_mask = ab8500_irq_mask,
Virupax Sadashivpetimathe6f93062011-10-11 10:49:17 +0200388 .irq_disable = ab8500_irq_mask,
Mark Brown9505a0a2010-12-11 13:16:08 +0000389 .irq_unmask = ab8500_irq_unmask,
Rabin Vincent62579262010-05-19 11:39:02 +0200390};
391
Michel JAOUEN7ccfe9b2012-05-07 15:02:03 +0200392static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
393 int latch_offset, u8 latch_val)
394{
395 int int_bit = __ffs(latch_val);
396 int line, i;
397
398 do {
399 int_bit = __ffs(latch_val);
400
401 for (i = 0; i < ab8500->mask_size; i++)
402 if (ab8500->irq_reg_offset[i] == latch_offset)
403 break;
404
405 if (i >= ab8500->mask_size) {
406 dev_err(ab8500->dev, "Register offset 0x%2x not declared\n",
407 latch_offset);
408 return -ENXIO;
409 }
410
411 line = (i << 3) + int_bit;
412 latch_val &= ~(1 << int_bit);
413
414 handle_nested_irq(ab8500->irq_base + line);
415 } while (latch_val);
416
417 return 0;
418}
419
420static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500,
421 int hier_offset, u8 hier_val)
422{
423 int latch_bit, status;
424 u8 latch_offset, latch_val;
425
426 do {
427 latch_bit = __ffs(hier_val);
428 latch_offset = (hier_offset << 3) + latch_bit;
429
430 /* Fix inconsistent ITFromLatch25 bit mapping... */
431 if (unlikely(latch_offset == 17))
432 latch_offset = 24;
433
434 status = get_register_interruptible(ab8500,
435 AB8500_INTERRUPT,
436 AB8500_IT_LATCH1_REG + latch_offset,
437 &latch_val);
438 if (status < 0 || latch_val == 0)
439 goto discard;
440
441 status = ab8500_handle_hierarchical_line(ab8500,
442 latch_offset, latch_val);
443 if (status < 0)
444 return status;
445discard:
446 hier_val &= ~(1 << latch_bit);
447 } while (hier_val);
448
449 return 0;
450}
451
452static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
453{
454 struct ab8500 *ab8500 = dev;
455 u8 i;
456
457 dev_vdbg(ab8500->dev, "interrupt\n");
458
459 /* Hierarchical interrupt version */
460 for (i = 0; i < AB8500_IT_LATCHHIER_NUM; i++) {
461 int status;
462 u8 hier_val;
463
464 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
465 AB8500_IT_LATCHHIER1_REG + i, &hier_val);
466 if (status < 0 || hier_val == 0)
467 continue;
468
469 status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val);
470 if (status < 0)
471 break;
472 }
473 return IRQ_HANDLED;
474}
475
Lee Jones80633f02012-08-20 11:53:36 +0100476/**
477 * ab8500_irq_get_virq(): Map an interrupt on a chip to a virtual IRQ
478 *
479 * @ab8500: ab8500_irq controller to operate on.
480 * @irq: index of the interrupt requested in the chip IRQs
481 *
482 * Useful for drivers to request their own IRQs.
483 */
484static int ab8500_irq_get_virq(struct ab8500 *ab8500, int irq)
485{
486 if (!ab8500)
487 return -EINVAL;
488
489 return irq_create_mapping(ab8500->domain, irq);
490}
491
Rabin Vincent62579262010-05-19 11:39:02 +0200492static irqreturn_t ab8500_irq(int irq, void *dev)
493{
494 struct ab8500 *ab8500 = dev;
495 int i;
496
497 dev_vdbg(ab8500->dev, "interrupt\n");
498
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200499 atomic_inc(&ab8500->transfer_ongoing);
500
Linus Walleij2ced4452012-02-20 21:42:17 +0100501 for (i = 0; i < ab8500->mask_size; i++) {
502 int regoffset = ab8500->irq_reg_offset[i];
Rabin Vincent62579262010-05-19 11:39:02 +0200503 int status;
Mattias Wallin47c16972010-09-10 17:47:56 +0200504 u8 value;
Rabin Vincent62579262010-05-19 11:39:02 +0200505
Linus Walleij0f6208372012-02-20 21:42:10 +0100506 /*
507 * Interrupt register 12 doesn't exist prior to AB8500 version
508 * 2.0
509 */
510 if (regoffset == 11 && is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +0100511 continue;
512
Mattias Wallin47c16972010-09-10 17:47:56 +0200513 status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
514 AB8500_IT_LATCH1_REG + regoffset, &value);
515 if (status < 0 || value == 0)
Rabin Vincent62579262010-05-19 11:39:02 +0200516 continue;
517
518 do {
Mattias Wallin88aec4f2010-12-02 15:06:49 +0100519 int bit = __ffs(value);
Rabin Vincent62579262010-05-19 11:39:02 +0200520 int line = i * 8 + bit;
Lee Jones0a37fc52012-08-09 16:53:54 +0100521 int virq = ab8500_irq_get_virq(ab8500, line);
Rabin Vincent62579262010-05-19 11:39:02 +0200522
Lee Jones0a37fc52012-08-09 16:53:54 +0100523 handle_nested_irq(virq);
Mattias Wallin47c16972010-09-10 17:47:56 +0200524 value &= ~(1 << bit);
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200525
Mattias Wallin47c16972010-09-10 17:47:56 +0200526 } while (value);
Rabin Vincent62579262010-05-19 11:39:02 +0200527 }
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200528 atomic_dec(&ab8500->transfer_ongoing);
Rabin Vincent62579262010-05-19 11:39:02 +0200529 return IRQ_HANDLED;
530}
531
Lee Jones06e589e2012-06-20 13:56:37 +0100532static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
533 irq_hw_number_t hwirq)
534{
535 struct ab8500 *ab8500 = d->host_data;
536
537 if (!ab8500)
538 return -EINVAL;
539
540 irq_set_chip_data(virq, ab8500);
541 irq_set_chip_and_handler(virq, &ab8500_irq_chip,
542 handle_simple_irq);
543 irq_set_nested_thread(virq, 1);
Rabin Vincent62579262010-05-19 11:39:02 +0200544#ifdef CONFIG_ARM
Lee Jones06e589e2012-06-20 13:56:37 +0100545 set_irq_flags(virq, IRQF_VALID);
Rabin Vincent62579262010-05-19 11:39:02 +0200546#else
Lee Jones06e589e2012-06-20 13:56:37 +0100547 irq_set_noprobe(virq);
Rabin Vincent62579262010-05-19 11:39:02 +0200548#endif
Rabin Vincent62579262010-05-19 11:39:02 +0200549
550 return 0;
551}
552
Lee Jones06e589e2012-06-20 13:56:37 +0100553static struct irq_domain_ops ab8500_irq_ops = {
554 .map = ab8500_irq_map,
555 .xlate = irq_domain_xlate_twocell,
556};
557
558static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
Rabin Vincent62579262010-05-19 11:39:02 +0200559{
Linus Walleij2ced4452012-02-20 21:42:17 +0100560 int num_irqs;
Rabin Vincent62579262010-05-19 11:39:02 +0200561
Linus Walleijd6255522012-02-20 21:42:24 +0100562 if (is_ab9540(ab8500))
563 num_irqs = AB9540_NR_IRQS;
Bengt Jonssona9823622012-03-08 14:01:57 +0100564 else if (is_ab8505(ab8500))
565 num_irqs = AB8505_NR_IRQS;
Linus Walleijd6255522012-02-20 21:42:24 +0100566 else
567 num_irqs = AB8500_NR_IRQS;
Linus Walleij2ced4452012-02-20 21:42:17 +0100568
Linus Walleijf1d11f32012-10-18 18:18:44 +0200569 /* If ->irq_base is zero this will give a linear mapping */
570 ab8500->domain = irq_domain_add_simple(NULL,
571 num_irqs, ab8500->irq_base,
572 &ab8500_irq_ops, ab8500);
Lee Jones06e589e2012-06-20 13:56:37 +0100573
574 if (!ab8500->domain) {
575 dev_err(ab8500->dev, "Failed to create irqdomain\n");
576 return -ENOSYS;
577 }
578
579 return 0;
Rabin Vincent62579262010-05-19 11:39:02 +0200580}
581
Jonas Aaberg112a80d2012-04-17 09:30:33 +0200582int ab8500_suspend(struct ab8500 *ab8500)
583{
584 if (atomic_read(&ab8500->transfer_ongoing))
585 return -EINVAL;
586 else
587 return 0;
588}
589
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500590static struct resource ab8500_gpadc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200591 {
592 .name = "HW_CONV_END",
593 .start = AB8500_INT_GP_HW_ADC_CONV_END,
594 .end = AB8500_INT_GP_HW_ADC_CONV_END,
595 .flags = IORESOURCE_IRQ,
596 },
597 {
598 .name = "SW_CONV_END",
599 .start = AB8500_INT_GP_SW_ADC_CONV_END,
600 .end = AB8500_INT_GP_SW_ADC_CONV_END,
601 .flags = IORESOURCE_IRQ,
602 },
603};
604
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500605static struct resource ab8500_rtc_resources[] = {
Rabin Vincent62579262010-05-19 11:39:02 +0200606 {
607 .name = "60S",
608 .start = AB8500_INT_RTC_60S,
609 .end = AB8500_INT_RTC_60S,
610 .flags = IORESOURCE_IRQ,
611 },
612 {
613 .name = "ALARM",
614 .start = AB8500_INT_RTC_ALARM,
615 .end = AB8500_INT_RTC_ALARM,
616 .flags = IORESOURCE_IRQ,
617 },
618};
619
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500620static struct resource ab8500_poweronkey_db_resources[] = {
Sundar R Iyer77686512010-09-05 12:18:47 -0700621 {
622 .name = "ONKEY_DBF",
623 .start = AB8500_INT_PON_KEY1DB_F,
624 .end = AB8500_INT_PON_KEY1DB_F,
625 .flags = IORESOURCE_IRQ,
626 },
627 {
628 .name = "ONKEY_DBR",
629 .start = AB8500_INT_PON_KEY1DB_R,
630 .end = AB8500_INT_PON_KEY1DB_R,
631 .flags = IORESOURCE_IRQ,
632 },
633};
634
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500635static struct resource ab8500_av_acc_detect_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100636 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200637 .name = "ACC_DETECT_1DB_F",
638 .start = AB8500_INT_ACC_DETECT_1DB_F,
639 .end = AB8500_INT_ACC_DETECT_1DB_F,
640 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100641 },
642 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200643 .name = "ACC_DETECT_1DB_R",
644 .start = AB8500_INT_ACC_DETECT_1DB_R,
645 .end = AB8500_INT_ACC_DETECT_1DB_R,
646 .flags = IORESOURCE_IRQ,
Mattias Walline098aded72010-12-02 15:40:31 +0100647 },
648 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200649 .name = "ACC_DETECT_21DB_F",
650 .start = AB8500_INT_ACC_DETECT_21DB_F,
651 .end = AB8500_INT_ACC_DETECT_21DB_F,
652 .flags = IORESOURCE_IRQ,
653 },
654 {
655 .name = "ACC_DETECT_21DB_R",
656 .start = AB8500_INT_ACC_DETECT_21DB_R,
657 .end = AB8500_INT_ACC_DETECT_21DB_R,
658 .flags = IORESOURCE_IRQ,
659 },
660 {
661 .name = "ACC_DETECT_22DB_F",
662 .start = AB8500_INT_ACC_DETECT_22DB_F,
663 .end = AB8500_INT_ACC_DETECT_22DB_F,
664 .flags = IORESOURCE_IRQ,
665 },
666 {
667 .name = "ACC_DETECT_22DB_R",
668 .start = AB8500_INT_ACC_DETECT_22DB_R,
669 .end = AB8500_INT_ACC_DETECT_22DB_R,
670 .flags = IORESOURCE_IRQ,
671 },
672};
673
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500674static struct resource ab8500_charger_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200675 {
Mattias Walline098aded72010-12-02 15:40:31 +0100676 .name = "MAIN_CH_UNPLUG_DET",
677 .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
678 .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
679 .flags = IORESOURCE_IRQ,
680 },
681 {
682 .name = "MAIN_CHARGE_PLUG_DET",
683 .start = AB8500_INT_MAIN_CH_PLUG_DET,
684 .end = AB8500_INT_MAIN_CH_PLUG_DET,
685 .flags = IORESOURCE_IRQ,
686 },
687 {
Mattias Walline098aded72010-12-02 15:40:31 +0100688 .name = "VBUS_DET_R",
689 .start = AB8500_INT_VBUS_DET_R,
690 .end = AB8500_INT_VBUS_DET_R,
691 .flags = IORESOURCE_IRQ,
692 },
693 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200694 .name = "VBUS_DET_F",
695 .start = AB8500_INT_VBUS_DET_F,
696 .end = AB8500_INT_VBUS_DET_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100697 .flags = IORESOURCE_IRQ,
698 },
699 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200700 .name = "USB_LINK_STATUS",
701 .start = AB8500_INT_USB_LINK_STATUS,
702 .end = AB8500_INT_USB_LINK_STATUS,
703 .flags = IORESOURCE_IRQ,
704 },
705 {
Mattias Walline098aded72010-12-02 15:40:31 +0100706 .name = "VBUS_OVV",
707 .start = AB8500_INT_VBUS_OVV,
708 .end = AB8500_INT_VBUS_OVV,
709 .flags = IORESOURCE_IRQ,
710 },
711 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200712 .name = "USB_CH_TH_PROT_R",
713 .start = AB8500_INT_USB_CH_TH_PROT_R,
714 .end = AB8500_INT_USB_CH_TH_PROT_R,
Mattias Walline098aded72010-12-02 15:40:31 +0100715 .flags = IORESOURCE_IRQ,
716 },
717 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200718 .name = "USB_CH_TH_PROT_F",
719 .start = AB8500_INT_USB_CH_TH_PROT_F,
720 .end = AB8500_INT_USB_CH_TH_PROT_F,
Mattias Walline098aded72010-12-02 15:40:31 +0100721 .flags = IORESOURCE_IRQ,
722 },
723 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200724 .name = "MAIN_EXT_CH_NOT_OK",
725 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
726 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
727 .flags = IORESOURCE_IRQ,
728 },
729 {
730 .name = "MAIN_CH_TH_PROT_R",
731 .start = AB8500_INT_MAIN_CH_TH_PROT_R,
732 .end = AB8500_INT_MAIN_CH_TH_PROT_R,
733 .flags = IORESOURCE_IRQ,
734 },
735 {
736 .name = "MAIN_CH_TH_PROT_F",
737 .start = AB8500_INT_MAIN_CH_TH_PROT_F,
738 .end = AB8500_INT_MAIN_CH_TH_PROT_F,
739 .flags = IORESOURCE_IRQ,
740 },
741 {
742 .name = "USB_CHARGER_NOT_OKR",
Bengt Jonssona9823622012-03-08 14:01:57 +0100743 .start = AB8500_INT_USB_CHARGER_NOT_OKR,
744 .end = AB8500_INT_USB_CHARGER_NOT_OKR,
Linus Walleij6af75ec2011-06-09 23:57:45 +0200745 .flags = IORESOURCE_IRQ,
746 },
747 {
748 .name = "CH_WD_EXP",
749 .start = AB8500_INT_CH_WD_EXP,
750 .end = AB8500_INT_CH_WD_EXP,
751 .flags = IORESOURCE_IRQ,
752 },
753};
754
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500755static struct resource ab8500_btemp_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200756 {
757 .name = "BAT_CTRL_INDB",
758 .start = AB8500_INT_BAT_CTRL_INDB,
759 .end = AB8500_INT_BAT_CTRL_INDB,
Mattias Walline098aded72010-12-02 15:40:31 +0100760 .flags = IORESOURCE_IRQ,
761 },
762 {
763 .name = "BTEMP_LOW",
764 .start = AB8500_INT_BTEMP_LOW,
765 .end = AB8500_INT_BTEMP_LOW,
766 .flags = IORESOURCE_IRQ,
767 },
768 {
769 .name = "BTEMP_HIGH",
770 .start = AB8500_INT_BTEMP_HIGH,
771 .end = AB8500_INT_BTEMP_HIGH,
772 .flags = IORESOURCE_IRQ,
773 },
774 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200775 .name = "BTEMP_LOW_MEDIUM",
776 .start = AB8500_INT_BTEMP_LOW_MEDIUM,
777 .end = AB8500_INT_BTEMP_LOW_MEDIUM,
Mattias Walline098aded72010-12-02 15:40:31 +0100778 .flags = IORESOURCE_IRQ,
779 },
780 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200781 .name = "BTEMP_MEDIUM_HIGH",
782 .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
783 .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
Mattias Walline098aded72010-12-02 15:40:31 +0100784 .flags = IORESOURCE_IRQ,
785 },
786};
787
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500788static struct resource ab8500_fg_resources[] = {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200789 {
790 .name = "NCONV_ACCU",
791 .start = AB8500_INT_CCN_CONV_ACC,
792 .end = AB8500_INT_CCN_CONV_ACC,
793 .flags = IORESOURCE_IRQ,
794 },
795 {
796 .name = "BATT_OVV",
797 .start = AB8500_INT_BATT_OVV,
798 .end = AB8500_INT_BATT_OVV,
799 .flags = IORESOURCE_IRQ,
800 },
801 {
802 .name = "LOW_BAT_F",
803 .start = AB8500_INT_LOW_BAT_F,
804 .end = AB8500_INT_LOW_BAT_F,
805 .flags = IORESOURCE_IRQ,
806 },
807 {
808 .name = "LOW_BAT_R",
809 .start = AB8500_INT_LOW_BAT_R,
810 .end = AB8500_INT_LOW_BAT_R,
811 .flags = IORESOURCE_IRQ,
812 },
813 {
814 .name = "CC_INT_CALIB",
815 .start = AB8500_INT_CC_INT_CALIB,
816 .end = AB8500_INT_CC_INT_CALIB,
817 .flags = IORESOURCE_IRQ,
818 },
Bengt Jonssona9823622012-03-08 14:01:57 +0100819 {
820 .name = "CCEOC",
821 .start = AB8500_INT_CCEOC,
822 .end = AB8500_INT_CCEOC,
823 .flags = IORESOURCE_IRQ,
824 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200825};
826
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500827static struct resource ab8500_chargalg_resources[] = {};
Linus Walleij6af75ec2011-06-09 23:57:45 +0200828
Axel Lindf720642011-11-10 09:56:18 +0800829#ifdef CONFIG_DEBUG_FS
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500830static struct resource ab8500_debug_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100831 {
832 .name = "IRQ_FIRST",
833 .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
834 .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
835 .flags = IORESOURCE_IRQ,
836 },
837 {
838 .name = "IRQ_LAST",
Bengt Jonssona9823622012-03-08 14:01:57 +0100839 .start = AB8500_INT_XTAL32K_KO,
840 .end = AB8500_INT_XTAL32K_KO,
Mattias Walline098aded72010-12-02 15:40:31 +0100841 .flags = IORESOURCE_IRQ,
842 },
843};
Axel Lindf720642011-11-10 09:56:18 +0800844#endif
Mattias Walline098aded72010-12-02 15:40:31 +0100845
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500846static struct resource ab8500_usb_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100847 {
848 .name = "ID_WAKEUP_R",
849 .start = AB8500_INT_ID_WAKEUP_R,
850 .end = AB8500_INT_ID_WAKEUP_R,
851 .flags = IORESOURCE_IRQ,
852 },
853 {
854 .name = "ID_WAKEUP_F",
855 .start = AB8500_INT_ID_WAKEUP_F,
856 .end = AB8500_INT_ID_WAKEUP_F,
857 .flags = IORESOURCE_IRQ,
858 },
859 {
860 .name = "VBUS_DET_F",
861 .start = AB8500_INT_VBUS_DET_F,
862 .end = AB8500_INT_VBUS_DET_F,
863 .flags = IORESOURCE_IRQ,
864 },
865 {
866 .name = "VBUS_DET_R",
867 .start = AB8500_INT_VBUS_DET_R,
868 .end = AB8500_INT_VBUS_DET_R,
869 .flags = IORESOURCE_IRQ,
870 },
Mattias Wallin92d50a42010-12-07 11:20:47 +0100871 {
872 .name = "USB_LINK_STATUS",
873 .start = AB8500_INT_USB_LINK_STATUS,
874 .end = AB8500_INT_USB_LINK_STATUS,
875 .flags = IORESOURCE_IRQ,
876 },
Linus Walleij6af75ec2011-06-09 23:57:45 +0200877 {
878 .name = "USB_ADP_PROBE_PLUG",
879 .start = AB8500_INT_ADP_PROBE_PLUG,
880 .end = AB8500_INT_ADP_PROBE_PLUG,
881 .flags = IORESOURCE_IRQ,
882 },
883 {
884 .name = "USB_ADP_PROBE_UNPLUG",
885 .start = AB8500_INT_ADP_PROBE_UNPLUG,
886 .end = AB8500_INT_ADP_PROBE_UNPLUG,
887 .flags = IORESOURCE_IRQ,
888 },
Mattias Walline098aded72010-12-02 15:40:31 +0100889};
890
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500891static struct resource ab8505_iddet_resources[] = {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +0200892 {
893 .name = "KeyDeglitch",
894 .start = AB8505_INT_KEYDEGLITCH,
895 .end = AB8505_INT_KEYDEGLITCH,
896 .flags = IORESOURCE_IRQ,
897 },
898 {
899 .name = "KP",
900 .start = AB8505_INT_KP,
901 .end = AB8505_INT_KP,
902 .flags = IORESOURCE_IRQ,
903 },
904 {
905 .name = "IKP",
906 .start = AB8505_INT_IKP,
907 .end = AB8505_INT_IKP,
908 .flags = IORESOURCE_IRQ,
909 },
910 {
911 .name = "IKR",
912 .start = AB8505_INT_IKR,
913 .end = AB8505_INT_IKR,
914 .flags = IORESOURCE_IRQ,
915 },
916 {
917 .name = "KeyStuck",
918 .start = AB8505_INT_KEYSTUCK,
919 .end = AB8505_INT_KEYSTUCK,
920 .flags = IORESOURCE_IRQ,
921 },
922};
923
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500924static struct resource ab8500_temp_resources[] = {
Mattias Walline098aded72010-12-02 15:40:31 +0100925 {
926 .name = "AB8500_TEMP_WARM",
927 .start = AB8500_INT_TEMP_WARM,
928 .end = AB8500_INT_TEMP_WARM,
929 .flags = IORESOURCE_IRQ,
930 },
931};
932
Bill Pembertona9e9ce42012-11-19 13:24:21 -0500933static struct mfd_cell abx500_common_devs[] = {
Mattias Wallin5814fc32010-09-13 16:05:04 +0200934#ifdef CONFIG_DEBUG_FS
935 {
936 .name = "ab8500-debug",
Lee Jonesbad76992012-07-02 17:10:56 +0200937 .of_compatible = "stericsson,ab8500-debug",
Mattias Walline098aded72010-12-02 15:40:31 +0100938 .num_resources = ARRAY_SIZE(ab8500_debug_resources),
939 .resources = ab8500_debug_resources,
Mattias Wallin5814fc32010-09-13 16:05:04 +0200940 },
941#endif
Rabin Vincent62579262010-05-19 11:39:02 +0200942 {
Mattias Walline098aded72010-12-02 15:40:31 +0100943 .name = "ab8500-sysctrl",
Lee Jonesbad76992012-07-02 17:10:56 +0200944 .of_compatible = "stericsson,ab8500-sysctrl",
Mattias Walline098aded72010-12-02 15:40:31 +0100945 },
946 {
947 .name = "ab8500-regulator",
Lee Jonesbad76992012-07-02 17:10:56 +0200948 .of_compatible = "stericsson,ab8500-regulator",
Mattias Walline098aded72010-12-02 15:40:31 +0100949 },
950 {
Ulf Hansson916a8712012-11-22 11:35:40 +0100951 .name = "abx500-clk",
952 .of_compatible = "stericsson,abx500-clk",
953 },
954 {
Rabin Vincent62579262010-05-19 11:39:02 +0200955 .name = "ab8500-gpadc",
Lee Jonesbad76992012-07-02 17:10:56 +0200956 .of_compatible = "stericsson,ab8500-gpadc",
Rabin Vincent62579262010-05-19 11:39:02 +0200957 .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
958 .resources = ab8500_gpadc_resources,
959 },
960 {
961 .name = "ab8500-rtc",
Lee Jonesbad76992012-07-02 17:10:56 +0200962 .of_compatible = "stericsson,ab8500-rtc",
Rabin Vincent62579262010-05-19 11:39:02 +0200963 .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
964 .resources = ab8500_rtc_resources,
965 },
Arun Murthyf0f05b12010-09-06 12:24:52 +0530966 {
Linus Walleij6af75ec2011-06-09 23:57:45 +0200967 .name = "ab8500-acc-det",
Lee Jonesbad76992012-07-02 17:10:56 +0200968 .of_compatible = "stericsson,ab8500-acc-det",
Linus Walleij6af75ec2011-06-09 23:57:45 +0200969 .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
970 .resources = ab8500_av_acc_detect_resources,
971 },
972 {
Mattias Walline098aded72010-12-02 15:40:31 +0100973 .name = "ab8500-poweron-key",
Lee Jonesbad76992012-07-02 17:10:56 +0200974 .of_compatible = "stericsson,ab8500-poweron-key",
Mattias Walline098aded72010-12-02 15:40:31 +0100975 .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
976 .resources = ab8500_poweronkey_db_resources,
977 },
978 {
Arun Murthyf0f05b12010-09-06 12:24:52 +0530979 .name = "ab8500-pwm",
Lee Jonesbad76992012-07-02 17:10:56 +0200980 .of_compatible = "stericsson,ab8500-pwm",
Arun Murthyf0f05b12010-09-06 12:24:52 +0530981 .id = 1,
982 },
983 {
984 .name = "ab8500-pwm",
Lee Jonesbad76992012-07-02 17:10:56 +0200985 .of_compatible = "stericsson,ab8500-pwm",
Arun Murthyf0f05b12010-09-06 12:24:52 +0530986 .id = 2,
987 },
988 {
989 .name = "ab8500-pwm",
Lee Jonesbad76992012-07-02 17:10:56 +0200990 .of_compatible = "stericsson,ab8500-pwm",
Arun Murthyf0f05b12010-09-06 12:24:52 +0530991 .id = 3,
992 },
Lee Jonesbad76992012-07-02 17:10:56 +0200993 {
994 .name = "ab8500-leds",
995 .of_compatible = "stericsson,ab8500-leds",
996 },
Sundar R Iyer77686512010-09-05 12:18:47 -0700997 {
Mattias Walline098aded72010-12-02 15:40:31 +0100998 .name = "ab8500-denc",
Lee Jonesbad76992012-07-02 17:10:56 +0200999 .of_compatible = "stericsson,ab8500-denc",
Mattias Walline098aded72010-12-02 15:40:31 +01001000 },
1001 {
1002 .name = "ab8500-temp",
Lee Jonesbad76992012-07-02 17:10:56 +02001003 .of_compatible = "stericsson,ab8500-temp",
Mattias Walline098aded72010-12-02 15:40:31 +01001004 .num_resources = ARRAY_SIZE(ab8500_temp_resources),
1005 .resources = ab8500_temp_resources,
Sundar R Iyer77686512010-09-05 12:18:47 -07001006 },
Rabin Vincent62579262010-05-19 11:39:02 +02001007};
1008
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001009static struct mfd_cell ab8500_bm_devs[] = {
Rickard Andersson6ef94182012-04-17 09:30:57 +02001010 {
1011 .name = "ab8500-charger",
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001012 .of_compatible = "stericsson,ab8500-charger",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001013 .num_resources = ARRAY_SIZE(ab8500_charger_resources),
1014 .resources = ab8500_charger_resources,
Rajanikanth H.V4aef72d2012-11-18 19:17:47 -08001015#ifndef CONFIG_OF
1016 .platform_data = &ab8500_bm_data,
1017 .pdata_size = sizeof(ab8500_bm_data),
1018#endif
Rickard Andersson6ef94182012-04-17 09:30:57 +02001019 },
1020 {
1021 .name = "ab8500-btemp",
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001022 .of_compatible = "stericsson,ab8500-btemp",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001023 .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
1024 .resources = ab8500_btemp_resources,
Rajanikanth H.Vbd9e8ab2012-11-18 19:16:58 -08001025#ifndef CONFIG_OF
1026 .platform_data = &ab8500_bm_data,
1027 .pdata_size = sizeof(ab8500_bm_data),
1028#endif
Rickard Andersson6ef94182012-04-17 09:30:57 +02001029 },
1030 {
1031 .name = "ab8500-fg",
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001032 .of_compatible = "stericsson,ab8500-fg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001033 .num_resources = ARRAY_SIZE(ab8500_fg_resources),
1034 .resources = ab8500_fg_resources,
Rajanikanth H.Ve0f1abe2012-11-18 18:45:41 -08001035#ifndef CONFIG_OF
1036 .platform_data = &ab8500_bm_data,
1037 .pdata_size = sizeof(ab8500_bm_data),
1038#endif
Rickard Andersson6ef94182012-04-17 09:30:57 +02001039 },
1040 {
1041 .name = "ab8500-chargalg",
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001042 .of_compatible = "stericsson,ab8500-chargalg",
Rickard Andersson6ef94182012-04-17 09:30:57 +02001043 .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
1044 .resources = ab8500_chargalg_resources,
Rajanikanth H.Va12810a2012-10-31 15:40:33 +00001045#ifndef CONFIG_OF
1046 .platform_data = &ab8500_bm_data,
1047 .pdata_size = sizeof(ab8500_bm_data),
1048#endif
Rickard Andersson6ef94182012-04-17 09:30:57 +02001049 },
1050};
1051
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001052static struct mfd_cell ab8500_devs[] = {
Linus Walleijd6255522012-02-20 21:42:24 +01001053 {
1054 .name = "ab8500-gpio",
Lee Jonesbad76992012-07-02 17:10:56 +02001055 .of_compatible = "stericsson,ab8500-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001056 },
1057 {
1058 .name = "ab8500-usb",
Lee Jonesbad76992012-07-02 17:10:56 +02001059 .of_compatible = "stericsson,ab8500-usb",
Linus Walleijd6255522012-02-20 21:42:24 +01001060 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1061 .resources = ab8500_usb_resources,
1062 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001063 {
1064 .name = "ab8500-codec",
Lee Jones81a21cd2012-07-27 13:38:51 +01001065 .of_compatible = "stericsson,ab8500-codec",
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001066 },
Linus Walleijd6255522012-02-20 21:42:24 +01001067};
1068
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001069static struct mfd_cell ab9540_devs[] = {
Linus Walleijd6255522012-02-20 21:42:24 +01001070 {
1071 .name = "ab8500-gpio",
Linus Walleijd6255522012-02-20 21:42:24 +01001072 },
1073 {
1074 .name = "ab9540-usb",
1075 .num_resources = ARRAY_SIZE(ab8500_usb_resources),
1076 .resources = ab8500_usb_resources,
1077 },
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001078 {
1079 .name = "ab9540-codec",
1080 },
1081};
1082
1083/* Device list common to ab9540 and ab8505 */
Bill Pembertona9e9ce42012-11-19 13:24:21 -05001084static struct mfd_cell ab9540_ab8505_devs[] = {
Virupax Sadashivpetimath44f72e52012-04-17 09:30:14 +02001085 {
1086 .name = "ab-iddet",
1087 .num_resources = ARRAY_SIZE(ab8505_iddet_resources),
1088 .resources = ab8505_iddet_resources,
1089 },
Linus Walleijd6255522012-02-20 21:42:24 +01001090};
1091
Mattias Wallincca69b62010-12-02 15:09:36 +01001092static ssize_t show_chip_id(struct device *dev,
1093 struct device_attribute *attr, char *buf)
1094{
1095 struct ab8500 *ab8500;
1096
1097 ab8500 = dev_get_drvdata(dev);
1098 return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
1099}
1100
Mattias Walline5c238c2011-03-02 11:52:36 +01001101/*
1102 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1103 * 0x01 Swoff bit programming
1104 * 0x02 Thermal protection activation
1105 * 0x04 Vbat lower then BattOk falling threshold
1106 * 0x08 Watchdog expired
1107 * 0x10 Non presence of 32kHz clock
1108 * 0x20 Battery level lower than power on reset threshold
1109 * 0x40 Power on key 1 pressed longer than 10 seconds
1110 * 0x80 DB8500 thermal shutdown
1111 */
1112static ssize_t show_switch_off_status(struct device *dev,
1113 struct device_attribute *attr, char *buf)
1114{
1115 int ret;
1116 u8 value;
1117 struct ab8500 *ab8500;
1118
1119 ab8500 = dev_get_drvdata(dev);
1120 ret = get_register_interruptible(ab8500, AB8500_RTC,
1121 AB8500_SWITCH_OFF_STATUS, &value);
1122 if (ret < 0)
1123 return ret;
1124 return sprintf(buf, "%#x\n", value);
1125}
1126
Andrew Lynnb4a31032011-10-11 10:49:47 +02001127/*
1128 * ab8500 has turned on due to (TURN_ON_STATUS):
1129 * 0x01 PORnVbat
1130 * 0x02 PonKey1dbF
1131 * 0x04 PonKey2dbF
1132 * 0x08 RTCAlarm
1133 * 0x10 MainChDet
1134 * 0x20 VbusDet
1135 * 0x40 UsbIDDetect
1136 * 0x80 Reserved
1137 */
1138static ssize_t show_turn_on_status(struct device *dev,
1139 struct device_attribute *attr, char *buf)
1140{
1141 int ret;
1142 u8 value;
1143 struct ab8500 *ab8500;
1144
1145 ab8500 = dev_get_drvdata(dev);
1146 ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
1147 AB8500_TURN_ON_STATUS, &value);
1148 if (ret < 0)
1149 return ret;
1150 return sprintf(buf, "%#x\n", value);
1151}
1152
Linus Walleijd6255522012-02-20 21:42:24 +01001153static ssize_t show_ab9540_dbbrstn(struct device *dev,
1154 struct device_attribute *attr, char *buf)
1155{
1156 struct ab8500 *ab8500;
1157 int ret;
1158 u8 value;
1159
1160 ab8500 = dev_get_drvdata(dev);
1161
1162 ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
1163 AB9540_MODEM_CTRL2_REG, &value);
1164 if (ret < 0)
1165 return ret;
1166
1167 return sprintf(buf, "%d\n",
1168 (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
1169}
1170
1171static ssize_t store_ab9540_dbbrstn(struct device *dev,
1172 struct device_attribute *attr, const char *buf, size_t count)
1173{
1174 struct ab8500 *ab8500;
1175 int ret = count;
1176 int err;
1177 u8 bitvalues;
1178
1179 ab8500 = dev_get_drvdata(dev);
1180
1181 if (count > 0) {
1182 switch (buf[0]) {
1183 case '0':
1184 bitvalues = 0;
1185 break;
1186 case '1':
1187 bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
1188 break;
1189 default:
1190 goto exit;
1191 }
1192
1193 err = mask_and_set_register_interruptible(ab8500,
1194 AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
1195 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
1196 if (err)
1197 dev_info(ab8500->dev,
1198 "Failed to set DBBRSTN %c, err %#x\n",
1199 buf[0], err);
1200 }
1201
1202exit:
1203 return ret;
1204}
1205
Mattias Wallincca69b62010-12-02 15:09:36 +01001206static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
Mattias Walline5c238c2011-03-02 11:52:36 +01001207static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
Andrew Lynnb4a31032011-10-11 10:49:47 +02001208static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
Linus Walleijd6255522012-02-20 21:42:24 +01001209static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
1210 show_ab9540_dbbrstn, store_ab9540_dbbrstn);
Mattias Wallincca69b62010-12-02 15:09:36 +01001211
1212static struct attribute *ab8500_sysfs_entries[] = {
1213 &dev_attr_chip_id.attr,
Mattias Walline5c238c2011-03-02 11:52:36 +01001214 &dev_attr_switch_off_status.attr,
Andrew Lynnb4a31032011-10-11 10:49:47 +02001215 &dev_attr_turn_on_status.attr,
Mattias Wallincca69b62010-12-02 15:09:36 +01001216 NULL,
1217};
1218
Linus Walleijd6255522012-02-20 21:42:24 +01001219static struct attribute *ab9540_sysfs_entries[] = {
1220 &dev_attr_chip_id.attr,
1221 &dev_attr_switch_off_status.attr,
1222 &dev_attr_turn_on_status.attr,
1223 &dev_attr_dbbrstn.attr,
1224 NULL,
1225};
1226
Mattias Wallincca69b62010-12-02 15:09:36 +01001227static struct attribute_group ab8500_attr_group = {
1228 .attrs = ab8500_sysfs_entries,
1229};
1230
Linus Walleijd6255522012-02-20 21:42:24 +01001231static struct attribute_group ab9540_attr_group = {
1232 .attrs = ab9540_sysfs_entries,
1233};
1234
Bill Pembertonf791be42012-11-19 13:23:04 -05001235static int ab8500_probe(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001236{
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001237 static char *switch_off_status[] = {
1238 "Swoff bit programming",
1239 "Thermal protection activation",
1240 "Vbat lower then BattOk falling threshold",
1241 "Watchdog expired",
1242 "Non presence of 32kHz clock",
1243 "Battery level lower than power on reset threshold",
1244 "Power on key 1 pressed longer than 10 seconds",
1245 "DB8500 thermal shutdown"};
Lee Jonesd28f1db2012-05-19 17:21:37 +02001246 struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
1247 const struct platform_device_id *platid = platform_get_device_id(pdev);
Lee Jones6bc4a562012-05-17 14:45:13 +01001248 enum ab8500_version version = AB8500_VERSION_UNDEFINED;
1249 struct device_node *np = pdev->dev.of_node;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001250 struct ab8500 *ab8500;
1251 struct resource *resource;
Rabin Vincent62579262010-05-19 11:39:02 +02001252 int ret;
1253 int i;
Mattias Wallin47c16972010-09-10 17:47:56 +02001254 u8 value;
Rabin Vincent62579262010-05-19 11:39:02 +02001255
Lee Jones8c4203c2012-11-05 16:10:35 +01001256 ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001257 if (!ab8500)
1258 return -ENOMEM;
1259
Rabin Vincent62579262010-05-19 11:39:02 +02001260 if (plat)
1261 ab8500->irq_base = plat->irq_base;
1262
Lee Jonesd28f1db2012-05-19 17:21:37 +02001263 ab8500->dev = &pdev->dev;
1264
1265 resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
Lee Jones8c4203c2012-11-05 16:10:35 +01001266 if (!resource)
1267 return -ENODEV;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001268
1269 ab8500->irq = resource->start;
1270
Lee Jones822672a2012-06-20 13:56:38 +01001271 ab8500->read = ab8500_prcmu_read;
1272 ab8500->write = ab8500_prcmu_write;
1273 ab8500->write_masked = ab8500_prcmu_write_masked;
Lee Jonesd28f1db2012-05-19 17:21:37 +02001274
Rabin Vincent62579262010-05-19 11:39:02 +02001275 mutex_init(&ab8500->lock);
1276 mutex_init(&ab8500->irq_lock);
Jonas Aaberg112a80d2012-04-17 09:30:33 +02001277 atomic_set(&ab8500->transfer_ongoing, 0);
Rabin Vincent62579262010-05-19 11:39:02 +02001278
Lee Jonesd28f1db2012-05-19 17:21:37 +02001279 platform_set_drvdata(pdev, ab8500);
1280
Lee Jones6bc4a562012-05-17 14:45:13 +01001281 if (platid)
1282 version = platid->driver_data;
Lee Jones6bc4a562012-05-17 14:45:13 +01001283
Linus Walleij0f6208372012-02-20 21:42:10 +01001284 if (version != AB8500_VERSION_UNDEFINED)
1285 ab8500->version = version;
1286 else {
1287 ret = get_register_interruptible(ab8500, AB8500_MISC,
1288 AB8500_IC_NAME_REG, &value);
1289 if (ret < 0)
Lee Jones8c4203c2012-11-05 16:10:35 +01001290 return ret;
Linus Walleij0f6208372012-02-20 21:42:10 +01001291
1292 ab8500->version = value;
1293 }
1294
Mattias Wallin47c16972010-09-10 17:47:56 +02001295 ret = get_register_interruptible(ab8500, AB8500_MISC,
1296 AB8500_REV_REG, &value);
Rabin Vincent62579262010-05-19 11:39:02 +02001297 if (ret < 0)
Lee Jones8c4203c2012-11-05 16:10:35 +01001298 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001299
Mattias Wallin47c16972010-09-10 17:47:56 +02001300 ab8500->chip_id = value;
Rabin Vincent62579262010-05-19 11:39:02 +02001301
Linus Walleij0f6208372012-02-20 21:42:10 +01001302 dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
1303 ab8500_version_str[ab8500->version],
1304 ab8500->chip_id >> 4,
1305 ab8500->chip_id & 0x0F);
1306
Linus Walleijd6255522012-02-20 21:42:24 +01001307 /* Configure AB8500 or AB9540 IRQ */
Bengt Jonssona9823622012-03-08 14:01:57 +01001308 if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
Linus Walleijd6255522012-02-20 21:42:24 +01001309 ab8500->mask_size = AB9540_NUM_IRQ_REGS;
1310 ab8500->irq_reg_offset = ab9540_irq_regoffset;
1311 } else {
1312 ab8500->mask_size = AB8500_NUM_IRQ_REGS;
1313 ab8500->irq_reg_offset = ab8500_irq_regoffset;
1314 }
Lee Jones8c4203c2012-11-05 16:10:35 +01001315 ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
Linus Walleij2ced4452012-02-20 21:42:17 +01001316 if (!ab8500->mask)
1317 return -ENOMEM;
Lee Jones8c4203c2012-11-05 16:10:35 +01001318 ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
1319 if (!ab8500->oldmask)
1320 return -ENOMEM;
1321
Mattias Walline5c238c2011-03-02 11:52:36 +01001322 /*
1323 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1324 * 0x01 Swoff bit programming
1325 * 0x02 Thermal protection activation
1326 * 0x04 Vbat lower then BattOk falling threshold
1327 * 0x08 Watchdog expired
1328 * 0x10 Non presence of 32kHz clock
1329 * 0x20 Battery level lower than power on reset threshold
1330 * 0x40 Power on key 1 pressed longer than 10 seconds
1331 * 0x80 DB8500 thermal shutdown
1332 */
1333
1334 ret = get_register_interruptible(ab8500, AB8500_RTC,
1335 AB8500_SWITCH_OFF_STATUS, &value);
1336 if (ret < 0)
1337 return ret;
Jonas Aabergb04c530c2012-06-29 17:46:12 +02001338 dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
1339
1340 if (value) {
1341 for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
1342 if (value & 1)
1343 printk(KERN_CONT " \"%s\"",
1344 switch_off_status[i]);
1345 value = value >> 1;
1346
1347 }
1348 printk(KERN_CONT "\n");
1349 } else {
1350 printk(KERN_CONT " None\n");
1351 }
Mattias Walline5c238c2011-03-02 11:52:36 +01001352
Rabin Vincent62579262010-05-19 11:39:02 +02001353 if (plat && plat->init)
1354 plat->init(ab8500);
1355
1356 /* Clear and mask all interrupts */
Linus Walleij2ced4452012-02-20 21:42:17 +01001357 for (i = 0; i < ab8500->mask_size; i++) {
Linus Walleij0f6208372012-02-20 21:42:10 +01001358 /*
1359 * Interrupt register 12 doesn't exist prior to AB8500 version
1360 * 2.0
1361 */
1362 if (ab8500->irq_reg_offset[i] == 11 &&
1363 is_ab8500_1p1_or_earlier(ab8500))
Mattias Wallin92d50a42010-12-07 11:20:47 +01001364 continue;
Rabin Vincent62579262010-05-19 11:39:02 +02001365
Mattias Wallin47c16972010-09-10 17:47:56 +02001366 get_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001367 AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
Mattias Wallin92d50a42010-12-07 11:20:47 +01001368 &value);
Mattias Wallin47c16972010-09-10 17:47:56 +02001369 set_register_interruptible(ab8500, AB8500_INTERRUPT,
Linus Walleij2ced4452012-02-20 21:42:17 +01001370 AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
Rabin Vincent62579262010-05-19 11:39:02 +02001371 }
1372
Mattias Wallin47c16972010-09-10 17:47:56 +02001373 ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
1374 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001375 return ret;
Mattias Wallin47c16972010-09-10 17:47:56 +02001376
Linus Walleij2ced4452012-02-20 21:42:17 +01001377 for (i = 0; i < ab8500->mask_size; i++)
Rabin Vincent62579262010-05-19 11:39:02 +02001378 ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
1379
Lee Jones06e589e2012-06-20 13:56:37 +01001380 ret = ab8500_irq_init(ab8500, np);
1381 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001382 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001383
Lee Jones06e589e2012-06-20 13:56:37 +01001384 /* Activate this feature only in ab9540 */
1385 /* till tests are done on ab8500 1p2 or later*/
1386 if (is_ab9540(ab8500)) {
Lee Jones8c4203c2012-11-05 16:10:35 +01001387 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1388 ab8500_hierarchical_irq,
1389 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1390 "ab8500", ab8500);
Lee Jones06e589e2012-06-20 13:56:37 +01001391 }
1392 else {
Lee Jones8c4203c2012-11-05 16:10:35 +01001393 ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL,
1394 ab8500_irq,
1395 IRQF_ONESHOT | IRQF_NO_SUSPEND,
1396 "ab8500", ab8500);
Rabin Vincent62579262010-05-19 11:39:02 +02001397 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001398 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001399 }
1400
Lee Jonesbad76992012-07-02 17:10:56 +02001401 ret = mfd_add_devices(ab8500->dev, 0, abx500_common_devs,
1402 ARRAY_SIZE(abx500_common_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001403 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001404 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001405 return ret;
Lee Jonesbad76992012-07-02 17:10:56 +02001406
1407 if (is_ab9540(ab8500))
1408 ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
1409 ARRAY_SIZE(ab9540_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001410 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001411 else
1412 ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
1413 ARRAY_SIZE(ab8500_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001414 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001415 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001416 return ret;
Linus Walleijd6255522012-02-20 21:42:24 +01001417
Lee Jonesbad76992012-07-02 17:10:56 +02001418 if (is_ab9540(ab8500) || is_ab8505(ab8500))
1419 ret = mfd_add_devices(ab8500->dev, 0, ab9540_ab8505_devs,
1420 ARRAY_SIZE(ab9540_ab8505_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001421 ab8500->irq_base, ab8500->domain);
Lee Jonesbad76992012-07-02 17:10:56 +02001422 if (ret)
Lee Jones8c4203c2012-11-05 16:10:35 +01001423 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001424
Rickard Andersson6ef94182012-04-17 09:30:57 +02001425 if (!no_bm) {
1426 /* Add battery management devices */
1427 ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
1428 ARRAY_SIZE(ab8500_bm_devs), NULL,
Mark Brown55692af2012-09-11 15:16:36 +08001429 ab8500->irq_base, ab8500->domain);
Rickard Andersson6ef94182012-04-17 09:30:57 +02001430 if (ret)
1431 dev_err(ab8500->dev, "error adding bm devices\n");
1432 }
1433
Linus Walleijd6255522012-02-20 21:42:24 +01001434 if (is_ab9540(ab8500))
1435 ret = sysfs_create_group(&ab8500->dev->kobj,
1436 &ab9540_attr_group);
1437 else
1438 ret = sysfs_create_group(&ab8500->dev->kobj,
1439 &ab8500_attr_group);
Mattias Wallincca69b62010-12-02 15:09:36 +01001440 if (ret)
1441 dev_err(ab8500->dev, "error creating sysfs entries\n");
Lee Jones06e589e2012-06-20 13:56:37 +01001442
1443 return ret;
Rabin Vincent62579262010-05-19 11:39:02 +02001444}
1445
Bill Pemberton4740f732012-11-19 13:26:01 -05001446static int ab8500_remove(struct platform_device *pdev)
Rabin Vincent62579262010-05-19 11:39:02 +02001447{
Lee Jonesd28f1db2012-05-19 17:21:37 +02001448 struct ab8500 *ab8500 = platform_get_drvdata(pdev);
1449
Linus Walleijd6255522012-02-20 21:42:24 +01001450 if (is_ab9540(ab8500))
1451 sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
1452 else
1453 sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
Lee Jones06e589e2012-06-20 13:56:37 +01001454
Rabin Vincent62579262010-05-19 11:39:02 +02001455 mfd_remove_devices(ab8500->dev);
Rabin Vincent62579262010-05-19 11:39:02 +02001456
1457 return 0;
1458}
1459
Lee Jonesd28f1db2012-05-19 17:21:37 +02001460static const struct platform_device_id ab8500_id[] = {
1461 { "ab8500-core", AB8500_VERSION_AB8500 },
1462 { "ab8505-i2c", AB8500_VERSION_AB8505 },
1463 { "ab9540-i2c", AB8500_VERSION_AB9540 },
1464 { "ab8540-i2c", AB8500_VERSION_AB8540 },
1465 { }
1466};
1467
1468static struct platform_driver ab8500_core_driver = {
1469 .driver = {
1470 .name = "ab8500-core",
1471 .owner = THIS_MODULE,
1472 },
1473 .probe = ab8500_probe,
Bill Pemberton84449212012-11-19 13:20:24 -05001474 .remove = ab8500_remove,
Lee Jonesd28f1db2012-05-19 17:21:37 +02001475 .id_table = ab8500_id,
1476};
1477
1478static int __init ab8500_core_init(void)
1479{
1480 return platform_driver_register(&ab8500_core_driver);
1481}
1482
1483static void __exit ab8500_core_exit(void)
1484{
1485 platform_driver_unregister(&ab8500_core_driver);
1486}
Lee Jonesba7cbc32012-06-11 16:25:00 +01001487core_initcall(ab8500_core_init);
Lee Jonesd28f1db2012-05-19 17:21:37 +02001488module_exit(ab8500_core_exit);
1489
Mattias Wallinadceed62011-03-02 11:51:11 +01001490MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
Rabin Vincent62579262010-05-19 11:39:02 +02001491MODULE_DESCRIPTION("AB8500 MFD core");
1492MODULE_LICENSE("GPL v2");