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Mark Brown3cc72982012-06-19 16:31:53 +01001/*
2 * Arizona core driver
3 *
4 * Copyright 2012 Wolfson Microelectronics plc
5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/delay.h>
Mark Brown59db9692012-07-09 00:31:36 +020014#include <linux/err.h>
Mark Brown3cc72982012-06-19 16:31:53 +010015#include <linux/gpio.h>
16#include <linux/interrupt.h>
17#include <linux/mfd/core.h>
18#include <linux/module.h>
19#include <linux/pm_runtime.h>
20#include <linux/regmap.h>
21#include <linux/regulator/consumer.h>
22#include <linux/slab.h>
23
24#include <linux/mfd/arizona/core.h>
25#include <linux/mfd/arizona/registers.h>
26
27#include "arizona.h"
28
29static const char *wm5102_core_supplies[] = {
30 "AVDD",
31 "DBVDD1",
Mark Brown3cc72982012-06-19 16:31:53 +010032};
33
34int arizona_clk32k_enable(struct arizona *arizona)
35{
36 int ret = 0;
37
38 mutex_lock(&arizona->clk_lock);
39
40 arizona->clk32k_ref++;
41
42 if (arizona->clk32k_ref == 1)
43 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
44 ARIZONA_CLK_32K_ENA,
45 ARIZONA_CLK_32K_ENA);
46
47 if (ret != 0)
48 arizona->clk32k_ref--;
49
50 mutex_unlock(&arizona->clk_lock);
51
52 return ret;
53}
54EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
55
56int arizona_clk32k_disable(struct arizona *arizona)
57{
58 int ret = 0;
59
60 mutex_lock(&arizona->clk_lock);
61
62 BUG_ON(arizona->clk32k_ref <= 0);
63
64 arizona->clk32k_ref--;
65
66 if (arizona->clk32k_ref == 0)
67 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
68 ARIZONA_CLK_32K_ENA, 0);
69
70 mutex_unlock(&arizona->clk_lock);
71
72 return ret;
73}
74EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
75
76static irqreturn_t arizona_clkgen_err(int irq, void *data)
77{
78 struct arizona *arizona = data;
79
80 dev_err(arizona->dev, "CLKGEN error\n");
81
82 return IRQ_HANDLED;
83}
84
85static irqreturn_t arizona_underclocked(int irq, void *data)
86{
87 struct arizona *arizona = data;
88 unsigned int val;
89 int ret;
90
91 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
92 &val);
93 if (ret != 0) {
94 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
95 ret);
96 return IRQ_NONE;
97 }
98
99 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
100 dev_err(arizona->dev, "AIF3 underclocked\n");
101 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
102 dev_err(arizona->dev, "AIF3 underclocked\n");
103 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
104 dev_err(arizona->dev, "AIF1 underclocked\n");
105 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
106 dev_err(arizona->dev, "ISRC2 underclocked\n");
107 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
108 dev_err(arizona->dev, "ISRC1 underclocked\n");
109 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
110 dev_err(arizona->dev, "FX underclocked\n");
111 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
112 dev_err(arizona->dev, "ASRC underclocked\n");
113 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
114 dev_err(arizona->dev, "DAC underclocked\n");
115 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
116 dev_err(arizona->dev, "ADC underclocked\n");
117 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
118 dev_err(arizona->dev, "Mixer underclocked\n");
119
120 return IRQ_HANDLED;
121}
122
123static irqreturn_t arizona_overclocked(int irq, void *data)
124{
125 struct arizona *arizona = data;
126 unsigned int val[2];
127 int ret;
128
129 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
130 &val[0], 2);
131 if (ret != 0) {
132 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
133 ret);
134 return IRQ_NONE;
135 }
136
137 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
138 dev_err(arizona->dev, "PWM overclocked\n");
139 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
140 dev_err(arizona->dev, "FX core overclocked\n");
141 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
142 dev_err(arizona->dev, "DAC SYS overclocked\n");
143 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
144 dev_err(arizona->dev, "DAC WARP overclocked\n");
145 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
146 dev_err(arizona->dev, "ADC overclocked\n");
147 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
148 dev_err(arizona->dev, "Mixer overclocked\n");
149 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
150 dev_err(arizona->dev, "AIF3 overclocked\n");
151 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
152 dev_err(arizona->dev, "AIF2 overclocked\n");
153 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
154 dev_err(arizona->dev, "AIF1 overclocked\n");
155 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
156 dev_err(arizona->dev, "Pad control overclocked\n");
157
158 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
159 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
160 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
161 dev_err(arizona->dev, "Slimbus async overclocked\n");
162 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
163 dev_err(arizona->dev, "Slimbus sync overclocked\n");
164 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
165 dev_err(arizona->dev, "ASRC async system overclocked\n");
166 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
167 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
168 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
169 dev_err(arizona->dev, "ASRC sync system overclocked\n");
170 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
171 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
172 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
173 dev_err(arizona->dev, "DSP1 overclocked\n");
174 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
175 dev_err(arizona->dev, "ISRC2 overclocked\n");
176 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
177 dev_err(arizona->dev, "ISRC1 overclocked\n");
178
179 return IRQ_HANDLED;
180}
181
182static int arizona_wait_for_boot(struct arizona *arizona)
183{
184 unsigned int reg;
185 int ret, i;
186
187 /*
188 * We can't use an interrupt as we need to runtime resume to do so,
189 * we won't race with the interrupt handler as it'll be blocked on
190 * runtime resume.
191 */
192 for (i = 0; i < 5; i++) {
193 msleep(1);
194
195 ret = regmap_read(arizona->regmap,
196 ARIZONA_INTERRUPT_RAW_STATUS_5, &reg);
197 if (ret != 0) {
198 dev_err(arizona->dev, "Failed to read boot state: %d\n",
199 ret);
Mark Browncfe775c2012-07-05 20:35:30 +0100200 continue;
Mark Brown3cc72982012-06-19 16:31:53 +0100201 }
202
203 if (reg & ARIZONA_BOOT_DONE_STS)
204 break;
205 }
206
207 if (reg & ARIZONA_BOOT_DONE_STS) {
208 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
209 ARIZONA_BOOT_DONE_STS);
210 } else {
211 dev_err(arizona->dev, "Device boot timed out: %x\n", reg);
212 return -ETIMEDOUT;
213 }
214
215 pm_runtime_mark_last_busy(arizona->dev);
216
217 return 0;
218}
219
220#ifdef CONFIG_PM_RUNTIME
221static int arizona_runtime_resume(struct device *dev)
222{
223 struct arizona *arizona = dev_get_drvdata(dev);
224 int ret;
225
Mark Brown59db9692012-07-09 00:31:36 +0200226 ret = regulator_enable(arizona->dcvdd);
227 if (ret != 0) {
228 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
229 return ret;
230 }
Mark Brown3cc72982012-06-19 16:31:53 +0100231
232 regcache_cache_only(arizona->regmap, false);
233
234 ret = arizona_wait_for_boot(arizona);
Mark Brown5879f572012-07-05 20:35:29 +0100235 if (ret != 0) {
236 regulator_disable(arizona->dcvdd);
Mark Brown3cc72982012-06-19 16:31:53 +0100237 return ret;
Mark Brown5879f572012-07-05 20:35:29 +0100238 }
Mark Brown3cc72982012-06-19 16:31:53 +0100239
240 regcache_sync(arizona->regmap);
241
242 return 0;
243}
244
245static int arizona_runtime_suspend(struct device *dev)
246{
247 struct arizona *arizona = dev_get_drvdata(dev);
248
Mark Brown59db9692012-07-09 00:31:36 +0200249 regulator_disable(arizona->dcvdd);
250 regcache_cache_only(arizona->regmap, true);
251 regcache_mark_dirty(arizona->regmap);
Mark Brown3cc72982012-06-19 16:31:53 +0100252
253 return 0;
254}
255#endif
256
257const struct dev_pm_ops arizona_pm_ops = {
258 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
259 arizona_runtime_resume,
260 NULL)
261};
262EXPORT_SYMBOL_GPL(arizona_pm_ops);
263
264static struct mfd_cell early_devs[] = {
265 { .name = "arizona-ldo1" },
266};
267
268static struct mfd_cell wm5102_devs[] = {
269 { .name = "arizona-extcon" },
270 { .name = "arizona-gpio" },
271 { .name = "arizona-micsupp" },
272 { .name = "arizona-pwm" },
273 { .name = "wm5102-codec" },
274};
275
Mark Browne102bef2012-07-10 12:37:58 +0100276static struct mfd_cell wm5110_devs[] = {
277 { .name = "arizona-extcon" },
278 { .name = "arizona-gpio" },
279 { .name = "arizona-micsupp" },
280 { .name = "arizona-pwm" },
281 { .name = "wm5110-codec" },
282};
283
Mark Brown3cc72982012-06-19 16:31:53 +0100284int __devinit arizona_dev_init(struct arizona *arizona)
285{
286 struct device *dev = arizona->dev;
287 const char *type_name;
288 unsigned int reg, val;
289 int ret, i;
290
291 dev_set_drvdata(arizona->dev, arizona);
292 mutex_init(&arizona->clk_lock);
293
294 if (dev_get_platdata(arizona->dev))
295 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
296 sizeof(arizona->pdata));
297
298 regcache_cache_only(arizona->regmap, true);
299
300 switch (arizona->type) {
301 case WM5102:
Mark Browne102bef2012-07-10 12:37:58 +0100302 case WM5110:
Mark Brown3cc72982012-06-19 16:31:53 +0100303 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
304 arizona->core_supplies[i].supply
305 = wm5102_core_supplies[i];
306 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
307 break;
308 default:
309 dev_err(arizona->dev, "Unknown device type %d\n",
310 arizona->type);
311 return -EINVAL;
312 }
313
314 ret = mfd_add_devices(arizona->dev, -1, early_devs,
315 ARRAY_SIZE(early_devs), NULL, 0);
316 if (ret != 0) {
317 dev_err(dev, "Failed to add early children: %d\n", ret);
318 return ret;
319 }
320
321 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
322 arizona->core_supplies);
323 if (ret != 0) {
324 dev_err(dev, "Failed to request core supplies: %d\n",
325 ret);
326 goto err_early;
327 }
328
Mark Brown59db9692012-07-09 00:31:36 +0200329 arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
330 if (IS_ERR(arizona->dcvdd)) {
331 ret = PTR_ERR(arizona->dcvdd);
332 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
333 goto err_early;
334 }
335
Mark Brown3cc72982012-06-19 16:31:53 +0100336 ret = regulator_bulk_enable(arizona->num_core_supplies,
337 arizona->core_supplies);
338 if (ret != 0) {
339 dev_err(dev, "Failed to enable core supplies: %d\n",
340 ret);
341 goto err_early;
342 }
343
Mark Brown59db9692012-07-09 00:31:36 +0200344 ret = regulator_enable(arizona->dcvdd);
345 if (ret != 0) {
346 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
347 goto err_enable;
348 }
349
Mark Brown3cc72982012-06-19 16:31:53 +0100350 if (arizona->pdata.reset) {
351 /* Start out with /RESET low to put the chip into reset */
352 ret = gpio_request_one(arizona->pdata.reset,
353 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
354 "arizona /RESET");
355 if (ret != 0) {
356 dev_err(dev, "Failed to request /RESET: %d\n", ret);
Mark Brown59db9692012-07-09 00:31:36 +0200357 goto err_dcvdd;
Mark Brown3cc72982012-06-19 16:31:53 +0100358 }
359
360 gpio_set_value_cansleep(arizona->pdata.reset, 1);
361 }
362
Mark Brown3cc72982012-06-19 16:31:53 +0100363 regcache_cache_only(arizona->regmap, false);
364
365 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
366 if (ret != 0) {
367 dev_err(dev, "Failed to read ID register: %d\n", ret);
Mark Brown59db9692012-07-09 00:31:36 +0200368 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100369 }
370
371 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
372 &arizona->rev);
373 if (ret != 0) {
374 dev_err(dev, "Failed to read revision register: %d\n", ret);
Mark Brown59db9692012-07-09 00:31:36 +0200375 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100376 }
377 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
378
379 switch (reg) {
Mark Brown863df8d2012-07-05 20:35:31 +0100380#ifdef CONFIG_MFD_WM5102
Mark Brown3cc72982012-06-19 16:31:53 +0100381 case 0x5102:
382 type_name = "WM5102";
383 if (arizona->type != WM5102) {
384 dev_err(arizona->dev, "WM5102 registered as %d\n",
385 arizona->type);
386 arizona->type = WM5102;
387 }
388 ret = wm5102_patch(arizona);
389 break;
Mark Brown863df8d2012-07-05 20:35:31 +0100390#endif
Mark Browne102bef2012-07-10 12:37:58 +0100391#ifdef CONFIG_MFD_WM5110
392 case 0x5110:
393 type_name = "WM5110";
394 if (arizona->type != WM5110) {
395 dev_err(arizona->dev, "WM5110 registered as %d\n",
396 arizona->type);
397 arizona->type = WM5110;
398 }
399 ret = wm5110_patch(arizona);
400 break;
401#endif
Mark Brown3cc72982012-06-19 16:31:53 +0100402 default:
403 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
Mark Brown59db9692012-07-09 00:31:36 +0200404 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100405 }
406
407 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
408
409 if (ret != 0)
410 dev_err(arizona->dev, "Failed to apply patch: %d\n", ret);
411
412 /* If we have a /RESET GPIO we'll already be reset */
413 if (!arizona->pdata.reset) {
414 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
415 if (ret != 0) {
416 dev_err(dev, "Failed to reset device: %d\n", ret);
Mark Brown59db9692012-07-09 00:31:36 +0200417 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100418 }
419 }
420
Mark Brownaf65a362012-07-09 11:56:43 +0100421 ret = arizona_wait_for_boot(arizona);
422 if (ret != 0) {
423 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
424 goto err_reset;
425 }
Mark Brown3cc72982012-06-19 16:31:53 +0100426
427 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
428 if (!arizona->pdata.gpio_defaults[i])
429 continue;
430
431 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
432 arizona->pdata.gpio_defaults[i]);
433 }
434
435 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
436 pm_runtime_use_autosuspend(arizona->dev);
437 pm_runtime_enable(arizona->dev);
438
439 /* Chip default */
440 if (!arizona->pdata.clk32k_src)
441 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
442
443 switch (arizona->pdata.clk32k_src) {
444 case ARIZONA_32KZ_MCLK1:
445 case ARIZONA_32KZ_MCLK2:
446 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
447 ARIZONA_CLK_32K_SRC_MASK,
448 arizona->pdata.clk32k_src - 1);
449 break;
450 case ARIZONA_32KZ_NONE:
451 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
452 ARIZONA_CLK_32K_SRC_MASK, 2);
453 break;
454 default:
455 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
456 arizona->pdata.clk32k_src);
457 ret = -EINVAL;
Mark Brown59db9692012-07-09 00:31:36 +0200458 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100459 }
460
461 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
462 /* Default for both is 0 so noop with defaults */
463 val = arizona->pdata.dmic_ref[i]
464 << ARIZONA_IN1_DMIC_SUP_SHIFT;
465 val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT;
466
467 regmap_update_bits(arizona->regmap,
468 ARIZONA_IN1L_CONTROL + (i * 8),
469 ARIZONA_IN1_DMIC_SUP_MASK |
470 ARIZONA_IN1_MODE_MASK, val);
471 }
472
473 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
474 /* Default is 0 so noop with defaults */
475 if (arizona->pdata.out_mono[i])
476 val = ARIZONA_OUT1_MONO;
477 else
478 val = 0;
479
480 regmap_update_bits(arizona->regmap,
481 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
482 ARIZONA_OUT1_MONO, val);
483 }
484
Mark Brown3cc72982012-06-19 16:31:53 +0100485 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
486 if (arizona->pdata.spk_mute[i])
487 regmap_update_bits(arizona->regmap,
Mark Brown2a51da02012-07-09 19:33:14 +0100488 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
Mark Brown3cc72982012-06-19 16:31:53 +0100489 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
490 ARIZONA_SPK1_MUTE_SEQ1_MASK,
491 arizona->pdata.spk_mute[i]);
492
493 if (arizona->pdata.spk_fmt[i])
494 regmap_update_bits(arizona->regmap,
Mark Brown2a51da02012-07-09 19:33:14 +0100495 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
Mark Brown3cc72982012-06-19 16:31:53 +0100496 ARIZONA_SPK1_FMT_MASK,
497 arizona->pdata.spk_fmt[i]);
498 }
499
500 /* Set up for interrupts */
501 ret = arizona_irq_init(arizona);
502 if (ret != 0)
Mark Brown59db9692012-07-09 00:31:36 +0200503 goto err_reset;
Mark Brown3cc72982012-06-19 16:31:53 +0100504
505 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
506 arizona_clkgen_err, arizona);
507 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
508 arizona_overclocked, arizona);
509 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
510 arizona_underclocked, arizona);
511
512 switch (arizona->type) {
513 case WM5102:
514 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
515 ARRAY_SIZE(wm5102_devs), NULL, 0);
516 break;
Mark Browne102bef2012-07-10 12:37:58 +0100517 case WM5110:
518 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
519 ARRAY_SIZE(wm5102_devs), NULL, 0);
520 break;
Mark Brown3cc72982012-06-19 16:31:53 +0100521 }
522
523 if (ret != 0) {
524 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
525 goto err_irq;
526 }
527
Mark Brown59db9692012-07-09 00:31:36 +0200528#ifdef CONFIG_PM_RUNTIME
529 regulator_disable(arizona->dcvdd);
530#endif
531
Mark Brown3cc72982012-06-19 16:31:53 +0100532 return 0;
533
534err_irq:
535 arizona_irq_exit(arizona);
Mark Brown3cc72982012-06-19 16:31:53 +0100536err_reset:
537 if (arizona->pdata.reset) {
538 gpio_set_value_cansleep(arizona->pdata.reset, 1);
539 gpio_free(arizona->pdata.reset);
540 }
Mark Brown59db9692012-07-09 00:31:36 +0200541err_dcvdd:
542 regulator_disable(arizona->dcvdd);
Mark Brown3cc72982012-06-19 16:31:53 +0100543err_enable:
Mark Brown3a36a0db2012-07-09 00:45:53 +0200544 regulator_bulk_disable(arizona->num_core_supplies,
Mark Brown3cc72982012-06-19 16:31:53 +0100545 arizona->core_supplies);
546err_early:
547 mfd_remove_devices(dev);
548 return ret;
549}
550EXPORT_SYMBOL_GPL(arizona_dev_init);
551
552int __devexit arizona_dev_exit(struct arizona *arizona)
553{
554 mfd_remove_devices(arizona->dev);
555 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
556 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
557 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
558 pm_runtime_disable(arizona->dev);
559 arizona_irq_exit(arizona);
560 return 0;
561}
562EXPORT_SYMBOL_GPL(arizona_dev_exit);