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Merge tag 'hsi-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
[linux.git] / drivers / mfd / arizona-core.c
CommitLineData
3cc72986
MB		 1/*
2 * Arizona core driver
3 *
4 * Copyright 2012 Wolfson Microelectronics plc
5 *
6 * Author: Mark Brown <[email protected]>
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
cdd8da8c 13#include <linux/clk.h>
3cc72986 14#include <linux/delay.h>
59db9691 15#include <linux/err.h>
3cc72986
MB		 16#include <linux/gpio.h>
17#include <linux/interrupt.h>
18#include <linux/mfd/core.h>
19#include <linux/module.h>
d781009c
MB		 20#include <linux/of.h>
21#include <linux/of_device.h>
22#include <linux/of_gpio.h>
3cc72986
MB		 23#include <linux/pm_runtime.h>
24#include <linux/regmap.h>
25#include <linux/regulator/consumer.h>
5927467d 26#include <linux/regulator/machine.h>
3cc72986 27#include <linux/slab.h>
ae05ea36 28#include <linux/platform_device.h>
3cc72986
MB		 29
30#include <linux/mfd/arizona/core.h>
31#include <linux/mfd/arizona/registers.h>
32
33#include "arizona.h"
34
3762aede 35static const char * const wm5102_core_supplies[] = {
3cc72986
MB		 36 "AVDD",
37 "DBVDD1",
3cc72986
MB		 38};
39
40int arizona_clk32k_enable(struct arizona *arizona)
41{
42 int ret = 0;
43
44 mutex_lock(&arizona->clk_lock);
45
46 arizona->clk32k_ref++;
47
247fa192
MB		 48 if (arizona->clk32k_ref == 1) {
49 switch (arizona->pdata.clk32k_src) {
50 case ARIZONA_32KZ_MCLK1:
51 ret = pm_runtime_get_sync(arizona->dev);
52 if (ret != 0)
cdd8da8c
SN		 53 goto err_ref;
54 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
55 if (ret != 0)
56 goto err_pm;
57 break;
58 case ARIZONA_32KZ_MCLK2:
59 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
60 if (ret != 0)
61 goto err_ref;
247fa192
MB		 62 break;
63 }
64
3cc72986
MB		 65 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
66 ARIZONA_CLK_32K_ENA,
67 ARIZONA_CLK_32K_ENA);
247fa192 68 }
3cc72986 69
cdd8da8c
SN		 70err_pm:
71 pm_runtime_put_sync(arizona->dev);
72err_ref:
3cc72986
MB		 73 if (ret != 0)
74 arizona->clk32k_ref--;
75
76 mutex_unlock(&arizona->clk_lock);
77
78 return ret;
79}
80EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
81
82int arizona_clk32k_disable(struct arizona *arizona)
83{
3cc72986
MB		 84 mutex_lock(&arizona->clk_lock);
85
86 BUG_ON(arizona->clk32k_ref <= 0);
87
88 arizona->clk32k_ref--;
89
247fa192 90 if (arizona->clk32k_ref == 0) {
3cc72986
MB		 91 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
92 ARIZONA_CLK_32K_ENA, 0);
93
247fa192
MB		 94 switch (arizona->pdata.clk32k_src) {
95 case ARIZONA_32KZ_MCLK1:
96 pm_runtime_put_sync(arizona->dev);
cdd8da8c
SN		 97 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK1]);
98 break;
99 case ARIZONA_32KZ_MCLK2:
100 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK2]);
247fa192
MB		 101 break;
102 }
103 }
104
3cc72986
MB		 105 mutex_unlock(&arizona->clk_lock);
106
a260fba1 107 return 0;
3cc72986
MB		 108}
109EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
110
111static irqreturn_t arizona_clkgen_err(int irq, void *data)
112{
113 struct arizona *arizona = data;
114
115 dev_err(arizona->dev, "CLKGEN error\n");
116
117 return IRQ_HANDLED;
118}
119
120static irqreturn_t arizona_underclocked(int irq, void *data)
121{
122 struct arizona *arizona = data;
123 unsigned int val;
124 int ret;
125
126 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
127 &val);
128 if (ret != 0) {
129 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
130 ret);
131 return IRQ_NONE;
132 }
133
3cc72986
MB		 134 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
135 dev_err(arizona->dev, "AIF3 underclocked\n");
136 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
3ebef34d
CK		 137 dev_err(arizona->dev, "AIF2 underclocked\n");
138 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
3cc72986 139 dev_err(arizona->dev, "AIF1 underclocked\n");
6e440d27
CK		 140 if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
141 dev_err(arizona->dev, "ISRC3 underclocked\n");
3cc72986
MB		 142 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
143 dev_err(arizona->dev, "ISRC2 underclocked\n");
144 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
145 dev_err(arizona->dev, "ISRC1 underclocked\n");
146 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
147 dev_err(arizona->dev, "FX underclocked\n");
148 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
149 dev_err(arizona->dev, "ASRC underclocked\n");
150 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
151 dev_err(arizona->dev, "DAC underclocked\n");
152 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
153 dev_err(arizona->dev, "ADC underclocked\n");
154 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
648a9880 155 dev_err(arizona->dev, "Mixer dropped sample\n");
3cc72986
MB		 156
157 return IRQ_HANDLED;
158}
159
160static irqreturn_t arizona_overclocked(int irq, void *data)
161{
162 struct arizona *arizona = data;
6887b042 163 unsigned int val[3];
3cc72986 164 int ret;
3762aede 165
3cc72986 166 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
6887b042 167 &val[0], 3);
3cc72986
MB		 168 if (ret != 0) {
169 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
170 ret);
171 return IRQ_NONE;
172 }
173
6887b042
RF		 174 switch (arizona->type) {
175 case WM8998:
176 case WM1814:
177 /* Some bits are shifted on WM8998,
178 * rearrange to match the standard bit layout
179 */
180 val[0] = ((val[0] & 0x60e0) >> 1) |
181 ((val[0] & 0x1e00) >> 2) |
182 (val[0] & 0x000f);
183 break;
184 default:
185 break;
186 }
187
3cc72986
MB		 188 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
189 dev_err(arizona->dev, "PWM overclocked\n");
190 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
191 dev_err(arizona->dev, "FX core overclocked\n");
192 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
193 dev_err(arizona->dev, "DAC SYS overclocked\n");
194 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
195 dev_err(arizona->dev, "DAC WARP overclocked\n");
196 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
197 dev_err(arizona->dev, "ADC overclocked\n");
198 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
199 dev_err(arizona->dev, "Mixer overclocked\n");
200 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
201 dev_err(arizona->dev, "AIF3 overclocked\n");
202 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
203 dev_err(arizona->dev, "AIF2 overclocked\n");
204 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
205 dev_err(arizona->dev, "AIF1 overclocked\n");
206 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
207 dev_err(arizona->dev, "Pad control overclocked\n");
208
209 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
210 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
211 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
212 dev_err(arizona->dev, "Slimbus async overclocked\n");
213 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
214 dev_err(arizona->dev, "Slimbus sync overclocked\n");
215 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
216 dev_err(arizona->dev, "ASRC async system overclocked\n");
217 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
218 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
219 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
220 dev_err(arizona->dev, "ASRC sync system overclocked\n");
221 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
222 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
223 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
224 dev_err(arizona->dev, "DSP1 overclocked\n");
6e440d27
CK		 225 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
226 dev_err(arizona->dev, "ISRC3 overclocked\n");
3cc72986
MB		 227 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
228 dev_err(arizona->dev, "ISRC2 overclocked\n");
229 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
230 dev_err(arizona->dev, "ISRC1 overclocked\n");
231
6887b042
RF		 232 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
233 dev_err(arizona->dev, "SPDIF overclocked\n");
234
3cc72986
MB		 235 return IRQ_HANDLED;
236}
237
ef84f885
CK		 238#define ARIZONA_REG_POLL_DELAY_US 7500
239
9d53dfdc 240static int arizona_poll_reg(struct arizona *arizona,
ef84f885 241 int timeout_ms, unsigned int reg,
9d53dfdc 242 unsigned int mask, unsigned int target)
3cc72986 243{
9d53dfdc 244 unsigned int val = 0;
ef84f885 245 int ret;
9d53dfdc 246
ef84f885 247 ret = regmap_read_poll_timeout(arizona->regmap,
27fef9f8 248 reg, val, ((val & mask) == target),
ef84f885
CK		 249 ARIZONA_REG_POLL_DELAY_US,
250 timeout_ms * 1000);
251 if (ret)
252 dev_err(arizona->dev, "Polling reg 0x%x timed out: %x\n",
253 reg, val);
3cc72986 254
ef84f885 255 return ret;
9d53dfdc
CK		 256}
257
258static int arizona_wait_for_boot(struct arizona *arizona)
259{
260 int ret;
261
262 /*
263 * We can't use an interrupt as we need to runtime resume to do so,
264 * we won't race with the interrupt handler as it'll be blocked on
265 * runtime resume.
266 */
ef84f885 267 ret = arizona_poll_reg(arizona, 30, ARIZONA_INTERRUPT_RAW_STATUS_5,
9d53dfdc
CK		 268 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
269
270 if (!ret)
3cc72986
MB		 271 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
272 ARIZONA_BOOT_DONE_STS);
3cc72986
MB		 273
274 pm_runtime_mark_last_busy(arizona->dev);
275
9d53dfdc 276 return ret;
3cc72986
MB		 277}
278
2229875d
CK		 279static inline void arizona_enable_reset(struct arizona *arizona)
280{
281 if (arizona->pdata.reset)
282 gpio_set_value_cansleep(arizona->pdata.reset, 0);
283}
284
285static void arizona_disable_reset(struct arizona *arizona)
286{
287 if (arizona->pdata.reset) {
121c075c
CK		 288 switch (arizona->type) {
289 case WM5110:
290 case WM8280:
291 /* Meet requirements for minimum reset duration */
b79a980f 292 usleep_range(5000, 10000);
121c075c
CK		 293 break;
294 default:
295 break;
296 }
297
2229875d 298 gpio_set_value_cansleep(arizona->pdata.reset, 1);
b79a980f 299 usleep_range(1000, 5000);
2229875d
CK		 300 }
301}
302
3850e3ee
CK		 303struct arizona_sysclk_state {
304 unsigned int fll;
305 unsigned int sysclk;
306};
307
308static int arizona_enable_freerun_sysclk(struct arizona *arizona,
309 struct arizona_sysclk_state *state)
e80436bb 310{
e80436bb
CK		 311 int ret, err;
312
e80436bb 313 /* Cache existing FLL and SYSCLK settings */
3850e3ee 314 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
0be068a0 315 if (ret) {
e80436bb
CK		 316 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
317 ret);
318 return ret;
319 }
3850e3ee
CK		 320 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
321 &state->sysclk);
0be068a0 322 if (ret) {
e80436bb
CK		 323 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
324 ret);
325 return ret;
326 }
327
328 /* Start up SYSCLK using the FLL in free running mode */
329 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
330 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
0be068a0 331 if (ret) {
e80436bb
CK		 332 dev_err(arizona->dev,
333 "Failed to start FLL in freerunning mode: %d\n",
334 ret);
335 return ret;
336 }
ef84f885 337 ret = arizona_poll_reg(arizona, 180, ARIZONA_INTERRUPT_RAW_STATUS_5,
e80436bb
CK		 338 ARIZONA_FLL1_CLOCK_OK_STS,
339 ARIZONA_FLL1_CLOCK_OK_STS);
de4ea10a 340 if (ret)
e80436bb 341 goto err_fll;
e80436bb
CK		 342
343 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
0be068a0 344 if (ret) {
e80436bb
CK		 345 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
346 goto err_fll;
347 }
348
3850e3ee
CK		 349 return 0;
350
351err_fll:
352 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
353 if (err)
354 dev_err(arizona->dev,
355 "Failed to re-apply old FLL settings: %d\n", err);
356
357 return ret;
358}
359
360static int arizona_disable_freerun_sysclk(struct arizona *arizona,
361 struct arizona_sysclk_state *state)
362{
363 int ret;
364
365 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
366 state->sysclk);
367 if (ret) {
368 dev_err(arizona->dev,
369 "Failed to re-apply old SYSCLK settings: %d\n", ret);
370 return ret;
371 }
372
373 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
374 if (ret) {
375 dev_err(arizona->dev,
376 "Failed to re-apply old FLL settings: %d\n", ret);
377 return ret;
378 }
379
380 return 0;
381}
382
383static int wm5102_apply_hardware_patch(struct arizona *arizona)
384{
385 struct arizona_sysclk_state state;
386 int err, ret;
387
388 ret = arizona_enable_freerun_sysclk(arizona, &state);
389 if (ret)
390 return ret;
391
e80436bb
CK		 392 /* Start the write sequencer and wait for it to finish */
393 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0
CK		 394 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
395 if (ret) {
e80436bb
CK		 396 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
397 ret);
3850e3ee 398 goto err;
e80436bb 399 }
3850e3ee 400
ef84f885 401 ret = arizona_poll_reg(arizona, 30, ARIZONA_WRITE_SEQUENCER_CTRL_1,
e80436bb 402 ARIZONA_WSEQ_BUSY, 0);
de4ea10a 403 if (ret)
e80436bb 404 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0 405 ARIZONA_WSEQ_ABORT);
e80436bb 406
3850e3ee
CK		 407err:
408 err = arizona_disable_freerun_sysclk(arizona, &state);
e80436bb 409
0be068a0 410 return ret ?: err;
e80436bb
CK		 411}
412
882bc468
CK		 413/*
414 * Register patch to some of the CODECs internal write sequences
415 * to ensure a clean exit from the low power sleep state.
416 */
8019ff6c 417static const struct reg_sequence wm5110_sleep_patch[] = {
882bc468
CK		 418 { 0x337A, 0xC100 },
419 { 0x337B, 0x0041 },
420 { 0x3300, 0xA210 },
421 { 0x3301, 0x050C },
422};
423
424static int wm5110_apply_sleep_patch(struct arizona *arizona)
425{
426 struct arizona_sysclk_state state;
427 int err, ret;
428
429 ret = arizona_enable_freerun_sysclk(arizona, &state);
430 if (ret)
431 return ret;
432
433 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
434 wm5110_sleep_patch,
435 ARRAY_SIZE(wm5110_sleep_patch));
436
437 err = arizona_disable_freerun_sysclk(arizona, &state);
438
439 return ret ?: err;
440}
441
1c1c6bba
CK		 442static int wm5102_clear_write_sequencer(struct arizona *arizona)
443{
444 int ret;
445
446 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
447 0x0);
448 if (ret) {
449 dev_err(arizona->dev,
450 "Failed to clear write sequencer state: %d\n", ret);
451 return ret;
452 }
453
454 arizona_enable_reset(arizona);
455 regulator_disable(arizona->dcvdd);
456
457 msleep(20);
458
459 ret = regulator_enable(arizona->dcvdd);
460 if (ret) {
461 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
462 return ret;
463 }
464 arizona_disable_reset(arizona);
465
466 return 0;
467}
468
48bb9fe4 469#ifdef CONFIG_PM
e7811147
RF		 470static int arizona_isolate_dcvdd(struct arizona *arizona)
471{
472 int ret;
473
474 ret = regmap_update_bits(arizona->regmap,
475 ARIZONA_ISOLATION_CONTROL,
476 ARIZONA_ISOLATE_DCVDD1,
477 ARIZONA_ISOLATE_DCVDD1);
478 if (ret != 0)
479 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
480
481 return ret;
482}
483
484static int arizona_connect_dcvdd(struct arizona *arizona)
485{
486 int ret;
487
488 ret = regmap_update_bits(arizona->regmap,
489 ARIZONA_ISOLATION_CONTROL,
490 ARIZONA_ISOLATE_DCVDD1, 0);
491 if (ret != 0)
492 dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
493
494 return ret;
495}
496
e3424273
RF		 497static int arizona_is_jack_det_active(struct arizona *arizona)
498{
499 unsigned int val;
500 int ret;
501
502 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
503 if (ret) {
504 dev_err(arizona->dev,
505 "Failed to check jack det status: %d\n", ret);
506 return ret;
507 } else if (val & ARIZONA_JD1_ENA) {
508 return 1;
509 } else {
510 return 0;
511 }
512}
513
3cc72986
MB		 514static int arizona_runtime_resume(struct device *dev)
515{
516 struct arizona *arizona = dev_get_drvdata(dev);
517 int ret;
518
508c8299
MB		 519 dev_dbg(arizona->dev, "Leaving AoD mode\n");
520
e6cb7341
CK		 521 if (arizona->has_fully_powered_off) {
522 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
523
524 ret = regulator_bulk_enable(arizona->num_core_supplies,
525 arizona->core_supplies);
526 if (ret) {
527 dev_err(dev, "Failed to enable core supplies: %d\n",
528 ret);
529 return ret;
530 }
531 }
532
59db9691
MB		 533 ret = regulator_enable(arizona->dcvdd);
534 if (ret != 0) {
535 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
e6cb7341
CK		 536 if (arizona->has_fully_powered_off)
537 regulator_bulk_disable(arizona->num_core_supplies,
538 arizona->core_supplies);
59db9691
MB		 539 return ret;
540 }
3cc72986 541
e6cb7341
CK		 542 if (arizona->has_fully_powered_off) {
543 arizona_disable_reset(arizona);
544 enable_irq(arizona->irq);
545 arizona->has_fully_powered_off = false;
546 }
547
3cc72986
MB		 548 regcache_cache_only(arizona->regmap, false);
549
4c9bb8bc
CK		 550 switch (arizona->type) {
551 case WM5102:
5927467d 552 if (arizona->external_dcvdd) {
e7811147
RF		 553 ret = arizona_connect_dcvdd(arizona);
554 if (ret != 0)
5927467d 555 goto err;
5927467d
MB		 556 }
557
4c9bb8bc
CK		 558 ret = wm5102_patch(arizona);
559 if (ret != 0) {
560 dev_err(arizona->dev, "Failed to apply patch: %d\n",
561 ret);
562 goto err;
563 }
e80436bb 564
0be068a0
CK		 565 ret = wm5102_apply_hardware_patch(arizona);
566 if (ret) {
e80436bb
CK		 567 dev_err(arizona->dev,
568 "Failed to apply hardware patch: %d\n",
569 ret);
570 goto err;
571 }
572 break;
96129a0e
CK		 573 case WM5110:
574 case WM8280:
575 ret = arizona_wait_for_boot(arizona);
576 if (ret)
577 goto err;
578
579 if (arizona->external_dcvdd) {
e7811147
RF		 580 ret = arizona_connect_dcvdd(arizona);
581 if (ret != 0)
96129a0e 582 goto err;
96129a0e
CK		 583 } else {
584 /*
585 * As this is only called for the internal regulator
586 * (where we know voltage ranges available) it is ok
587 * to request an exact range.
588 */
589 ret = regulator_set_voltage(arizona->dcvdd,
590 1200000, 1200000);
591 if (ret < 0) {
592 dev_err(arizona->dev,
593 "Failed to set resume voltage: %d\n",
594 ret);
595 goto err;
596 }
597 }
e6cb7341
CK		 598
599 ret = wm5110_apply_sleep_patch(arizona);
600 if (ret) {
601 dev_err(arizona->dev,
602 "Failed to re-apply sleep patch: %d\n",
603 ret);
604 goto err;
605 }
96129a0e 606 break;
ea1f3339
RF		 607 case WM1831:
608 case CS47L24:
609 ret = arizona_wait_for_boot(arizona);
610 if (ret != 0)
611 goto err;
612 break;
e80436bb 613 default:
12bb68ed 614 ret = arizona_wait_for_boot(arizona);
3762aede 615 if (ret != 0)
12bb68ed 616 goto err;
12bb68ed 617
5927467d 618 if (arizona->external_dcvdd) {
e7811147
RF		 619 ret = arizona_connect_dcvdd(arizona);
620 if (ret != 0)
5927467d 621 goto err;
5927467d 622 }
e80436bb 623 break;
4c9bb8bc
CK		 624 }
625
9270bdf5
MB		 626 ret = regcache_sync(arizona->regmap);
627 if (ret != 0) {
628 dev_err(arizona->dev, "Failed to restore register cache\n");
4816bd1c 629 goto err;
9270bdf5 630 }
3cc72986
MB		 631
632 return 0;
4816bd1c
MB		 633
634err:
635 regcache_cache_only(arizona->regmap, true);
636 regulator_disable(arizona->dcvdd);
637 return ret;
3cc72986
MB		 638}
639
640static int arizona_runtime_suspend(struct device *dev)
641{
642 struct arizona *arizona = dev_get_drvdata(dev);
a05950a4 643 int jd_active = 0;
5927467d 644 int ret;
3cc72986 645
508c8299
MB		 646 dev_dbg(arizona->dev, "Entering AoD mode\n");
647
e6cb7341
CK		 648 switch (arizona->type) {
649 case WM5110:
650 case WM8280:
e3424273
RF		 651 jd_active = arizona_is_jack_det_active(arizona);
652 if (jd_active < 0)
653 return jd_active;
654
e7811147
RF		 655 if (arizona->external_dcvdd) {
656 ret = arizona_isolate_dcvdd(arizona);
657 if (ret != 0)
658 return ret;
659 } else {
660 /*
661 * As this is only called for the internal regulator
662 * (where we know voltage ranges available) it is ok
663 * to request an exact range.
664 */
665 ret = regulator_set_voltage(arizona->dcvdd,
666 1175000, 1175000);
667 if (ret < 0) {
668 dev_err(arizona->dev,
669 "Failed to set suspend voltage: %d\n",
670 ret);
671 return ret;
672 }
e6cb7341
CK		 673 }
674 break;
675 case WM5102:
e3424273
RF		 676 jd_active = arizona_is_jack_det_active(arizona);
677 if (jd_active < 0)
678 return jd_active;
679
e7811147
RF		 680 if (arizona->external_dcvdd) {
681 ret = arizona_isolate_dcvdd(arizona);
682 if (ret != 0)
683 return ret;
684 }
685
e3424273 686 if (!jd_active) {
e6cb7341
CK		 687 ret = regmap_write(arizona->regmap,
688 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
689 if (ret) {
96129a0e 690 dev_err(arizona->dev,
e6cb7341 691 "Failed to clear write sequencer: %d\n",
96129a0e
CK		 692 ret);
693 return ret;
694 }
96129a0e 695 }
e6cb7341 696 break;
ea1f3339
RF		 697 case WM1831:
698 case CS47L24:
699 break;
e6cb7341 700 default:
e3424273
RF		 701 jd_active = arizona_is_jack_det_active(arizona);
702 if (jd_active < 0)
703 return jd_active;
704
e7811147
RF		 705 if (arizona->external_dcvdd) {
706 ret = arizona_isolate_dcvdd(arizona);
707 if (ret != 0)
708 return ret;
709 }
e6cb7341 710 break;
5927467d
MB		 711 }
712
59db9691
MB		 713 regcache_cache_only(arizona->regmap, true);
714 regcache_mark_dirty(arizona->regmap);
e293e847 715 regulator_disable(arizona->dcvdd);
3cc72986 716
e6cb7341 717 /* Allow us to completely power down if no jack detection */
e3424273 718 if (!jd_active) {
e6cb7341
CK		 719 dev_dbg(arizona->dev, "Fully powering off\n");
720
721 arizona->has_fully_powered_off = true;
722
11150929 723 disable_irq_nosync(arizona->irq);
e6cb7341
CK		 724 arizona_enable_reset(arizona);
725 regulator_bulk_disable(arizona->num_core_supplies,
726 arizona->core_supplies);
727 }
728
3cc72986
MB		 729 return 0;
730}
731#endif
732
dc781d0e 733#ifdef CONFIG_PM_SLEEP
67c99296
MB		 734static int arizona_suspend(struct device *dev)
735{
736 struct arizona *arizona = dev_get_drvdata(dev);
737
738 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
739 disable_irq(arizona->irq);
740
741 return 0;
742}
743
3612b27c 744static int arizona_suspend_noirq(struct device *dev)
67c99296
MB		 745{
746 struct arizona *arizona = dev_get_drvdata(dev);
747
748 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
749 enable_irq(arizona->irq);
750
751 return 0;
752}
753
dc781d0e
MB		 754static int arizona_resume_noirq(struct device *dev)
755{
756 struct arizona *arizona = dev_get_drvdata(dev);
757
758 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
759 disable_irq(arizona->irq);
760
761 return 0;
762}
763
764static int arizona_resume(struct device *dev)
765{
766 struct arizona *arizona = dev_get_drvdata(dev);
767
3612b27c 768 dev_dbg(arizona->dev, "Resume, reenabling IRQ\n");
dc781d0e
MB		 769 enable_irq(arizona->irq);
770
771 return 0;
772}
773#endif
774
3cc72986
MB		 775const struct dev_pm_ops arizona_pm_ops = {
776 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
777 arizona_runtime_resume,
778 NULL)
67c99296 779 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
3612b27c
CK		 780 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(arizona_suspend_noirq,
781 arizona_resume_noirq)
3cc72986
MB		 782};
783EXPORT_SYMBOL_GPL(arizona_pm_ops);
784
d781009c 785#ifdef CONFIG_OF
942786e6 786unsigned long arizona_of_get_type(struct device *dev)
d781009c
MB		 787{
788 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
789
790 if (id)
942786e6 791 return (unsigned long)id->data;
d781009c
MB		 792 else
793 return 0;
794}
795EXPORT_SYMBOL_GPL(arizona_of_get_type);
796
797static int arizona_of_get_core_pdata(struct arizona *arizona)
798{
e4fcb1d6 799 struct arizona_pdata *pdata = &arizona->pdata;
d781009c
MB		 800 int ret, i;
801
1961531d 802 pdata->reset = of_get_named_gpio(arizona->dev->of_node, "wlf,reset", 0);
b8d336ed
CK		 803 if (pdata->reset == -EPROBE_DEFER) {
804 return pdata->reset;
805 } else if (pdata->reset < 0) {
1961531d
CK		 806 dev_err(arizona->dev, "Reset GPIO missing/malformed: %d\n",
807 pdata->reset);
808
809 pdata->reset = 0;
810 }
d781009c
MB		 811
812 ret = of_property_read_u32_array(arizona->dev->of_node,
813 "wlf,gpio-defaults",
3762aede
CK		 814 pdata->gpio_defaults,
815 ARRAY_SIZE(pdata->gpio_defaults));
d781009c
MB		 816 if (ret >= 0) {
817 /*
818 * All values are literal except out of range values
819 * which are chip default, translate into platform
820 * data which uses 0 as chip default and out of range
821 * as zero.
822 */
3762aede
CK		 823 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
824 if (pdata->gpio_defaults[i] > 0xffff)
825 pdata->gpio_defaults[i] = 0;
826 else if (pdata->gpio_defaults[i] == 0)
827 pdata->gpio_defaults[i] = 0x10000;
d781009c
MB		 828 }
829 } else {
830 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
831 ret);
832 }
833
834 return 0;
835}
836
837const struct of_device_id arizona_of_match[] = {
838 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
839 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
e5d4ef0d 840 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
dc7d4863 841 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
6887b042
RF		 842 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
843 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
ea1f3339
RF		 844 { .compatible = "wlf,wm1831", .data = (void *)WM1831 },
845 { .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
d781009c
MB		 846 {},
847};
848EXPORT_SYMBOL_GPL(arizona_of_match);
849#else
850static inline int arizona_of_get_core_pdata(struct arizona *arizona)
851{
852 return 0;
853}
854#endif
855
5ac98553 856static const struct mfd_cell early_devs[] = {
3cc72986
MB		 857 { .name = "arizona-ldo1" },
858};
859
3762aede 860static const char * const wm5102_supplies[] = {
5fc6c396 861 "MICVDD",
32dadef2
CK		 862 "DBVDD2",
863 "DBVDD3",
864 "CPVDD",
865 "SPKVDDL",
866 "SPKVDDR",
867};
868
5ac98553 869static const struct mfd_cell wm5102_devs[] = {
d7768111 870 { .name = "arizona-micsupp" },
f83c218c 871 { .name = "arizona-gpio" },
5fc6c396
CK		 872 {
873 .name = "arizona-extcon",
874 .parent_supplies = wm5102_supplies,
875 .num_parent_supplies = 1, /* We only need MICVDD */
876 },
503b1cac 877 { .name = "arizona-haptics" },
3cc72986 878 { .name = "arizona-pwm" },
32dadef2
CK		 879 {
880 .name = "wm5102-codec",
881 .parent_supplies = wm5102_supplies,
882 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
883 },
3cc72986
MB		 884};
885
5ac98553 886static const struct mfd_cell wm5110_devs[] = {
d7768111 887 { .name = "arizona-micsupp" },
f83c218c 888 { .name = "arizona-gpio" },
5fc6c396
CK		 889 {
890 .name = "arizona-extcon",
891 .parent_supplies = wm5102_supplies,
892 .num_parent_supplies = 1, /* We only need MICVDD */
893 },
503b1cac 894 { .name = "arizona-haptics" },
e102befe 895 { .name = "arizona-pwm" },
32dadef2
CK		 896 {
897 .name = "wm5110-codec",
898 .parent_supplies = wm5102_supplies,
899 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
900 },
901};
902
ea1f3339
RF		 903static const char * const cs47l24_supplies[] = {
904 "MICVDD",
905 "CPVDD",
906 "SPKVDD",
907};
908
909static const struct mfd_cell cs47l24_devs[] = {
910 { .name = "arizona-gpio" },
911 { .name = "arizona-haptics" },
912 { .name = "arizona-pwm" },
913 {
914 .name = "cs47l24-codec",
915 .parent_supplies = cs47l24_supplies,
916 .num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
917 },
918};
919
3762aede 920static const char * const wm8997_supplies[] = {
996c2d4f 921 "MICVDD",
32dadef2
CK		 922 "DBVDD2",
923 "CPVDD",
924 "SPKVDD",
e102befe
MB		 925};
926
5ac98553 927static const struct mfd_cell wm8997_devs[] = {
dc7d4863 928 { .name = "arizona-micsupp" },
f83c218c 929 { .name = "arizona-gpio" },
5fc6c396
CK		 930 {
931 .name = "arizona-extcon",
932 .parent_supplies = wm8997_supplies,
933 .num_parent_supplies = 1, /* We only need MICVDD */
934 },
dc7d4863
CK		 935 { .name = "arizona-haptics" },
936 { .name = "arizona-pwm" },
32dadef2
CK		 937 {
938 .name = "wm8997-codec",
939 .parent_supplies = wm8997_supplies,
940 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
941 },
dc7d4863
CK		 942};
943
6887b042 944static const struct mfd_cell wm8998_devs[] = {
f83c218c
CK		 945 { .name = "arizona-micsupp" },
946 { .name = "arizona-gpio" },
6887b042
RF		 947 {
948 .name = "arizona-extcon",
949 .parent_supplies = wm5102_supplies,
950 .num_parent_supplies = 1, /* We only need MICVDD */
951 },
6887b042
RF		 952 { .name = "arizona-haptics" },
953 { .name = "arizona-pwm" },
954 {
955 .name = "wm8998-codec",
956 .parent_supplies = wm5102_supplies,
957 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
958 },
6887b042
RF		 959};
960
f791be49 961int arizona_dev_init(struct arizona *arizona)
3cc72986 962{
cdd8da8c 963 const char * const mclk_name[] = { "mclk1", "mclk2" };
3cc72986 964 struct device *dev = arizona->dev;
ea1f3339 965 const char *type_name = NULL;
6000c99e 966 unsigned int reg, val;
62d62b59 967 int (*apply_patch)(struct arizona *) = NULL;
ae05ea36
RF		 968 const struct mfd_cell *subdevs = NULL;
969 int n_subdevs, ret, i;
3cc72986
MB		 970
971 dev_set_drvdata(arizona->dev, arizona);
972 mutex_init(&arizona->clk_lock);
973
b8d336ed 974 if (dev_get_platdata(arizona->dev)) {
3cc72986
MB		 975 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
976 sizeof(arizona->pdata));
b8d336ed
CK		 977 } else {
978 ret = arizona_of_get_core_pdata(arizona);
979 if (ret < 0)
980 return ret;
981 }
3cc72986 982
cdd8da8c
SN		 983 BUILD_BUG_ON(ARRAY_SIZE(arizona->mclk) != ARRAY_SIZE(mclk_name));
984 for (i = 0; i < ARRAY_SIZE(arizona->mclk); i++) {
985 arizona->mclk[i] = devm_clk_get(arizona->dev, mclk_name[i]);
986 if (IS_ERR(arizona->mclk[i])) {
987 dev_info(arizona->dev, "Failed to get %s: %ld\n",
988 mclk_name[i], PTR_ERR(arizona->mclk[i]));
989 arizona->mclk[i] = NULL;
990 }
991 }
992
3cc72986
MB		 993 regcache_cache_only(arizona->regmap, true);
994
995 switch (arizona->type) {
996 case WM5102:
e102befe 997 case WM5110:
e5d4ef0d 998 case WM8280:
dc7d4863 999 case WM8997:
6887b042
RF		 1000 case WM8998:
1001 case WM1814:
ea1f3339
RF		 1002 case WM1831:
1003 case CS47L24:
3cc72986
MB		 1004 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
1005 arizona->core_supplies[i].supply
1006 = wm5102_core_supplies[i];
1007 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
1008 break;
1009 default:
1010 dev_err(arizona->dev, "Unknown device type %d\n",
1011 arizona->type);
75d8a2b0 1012 return -ENODEV;
3cc72986
MB		 1013 }
1014
4a8c475f
CK		 1015 /* Mark DCVDD as external, LDO1 driver will clear if internal */
1016 arizona->external_dcvdd = true;
1017
ea1f3339
RF		 1018 switch (arizona->type) {
1019 case WM1831:
1020 case CS47L24:
1021 break; /* No LDO1 regulator */
1022 default:
1023 ret = mfd_add_devices(arizona->dev, -1, early_devs,
1024 ARRAY_SIZE(early_devs), NULL, 0, NULL);
1025 if (ret != 0) {
1026 dev_err(dev, "Failed to add early children: %d\n", ret);
1027 return ret;
1028 }
1029 break;
3cc72986
MB		 1030 }
1031
1032 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1033 arizona->core_supplies);
1034 if (ret != 0) {
1035 dev_err(dev, "Failed to request core supplies: %d\n",
1036 ret);
1037 goto err_early;
1038 }
1039
0c2d0ffb
CK		 1040 /**
1041 * Don't use devres here because the only device we have to get
1042 * against is the MFD device and DCVDD will likely be supplied by
1043 * one of its children. Meaning that the regulator will be
1044 * destroyed by the time devres calls regulator put.
1045 */
e6021511 1046 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
59db9691
MB		 1047 if (IS_ERR(arizona->dcvdd)) {
1048 ret = PTR_ERR(arizona->dcvdd);
1049 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1050 goto err_early;
1051 }
1052
87d3af4a
MB		 1053 if (arizona->pdata.reset) {
1054 /* Start out with /RESET low to put the chip into reset */
5f056bf0
CK		 1055 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
1056 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
1057 "arizona /RESET");
87d3af4a
MB		 1058 if (ret != 0) {
1059 dev_err(dev, "Failed to request /RESET: %d\n", ret);
e6021511 1060 goto err_dcvdd;
87d3af4a
MB		 1061 }
1062 }
1063
3cc72986
MB		 1064 ret = regulator_bulk_enable(arizona->num_core_supplies,
1065 arizona->core_supplies);
1066 if (ret != 0) {
1067 dev_err(dev, "Failed to enable core supplies: %d\n",
1068 ret);
e6021511 1069 goto err_dcvdd;
3cc72986
MB		 1070 }
1071
59db9691
MB		 1072 ret = regulator_enable(arizona->dcvdd);
1073 if (ret != 0) {
1074 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1075 goto err_enable;
1076 }
1077
2229875d 1078 arizona_disable_reset(arizona);
3cc72986 1079
3cc72986
MB		 1080 regcache_cache_only(arizona->regmap, false);
1081
ca76ceb8 1082 /* Verify that this is a chip we know about */
3cc72986
MB		 1083 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1084 if (ret != 0) {
1085 dev_err(dev, "Failed to read ID register: %d\n", ret);
59db9691 1086 goto err_reset;
3cc72986
MB		 1087 }
1088
3cc72986
MB		 1089 switch (reg) {
1090 case 0x5102:
e102befe 1091 case 0x5110:
6887b042 1092 case 0x6349:
ea1f3339 1093 case 0x6363:
dc7d4863 1094 case 0x8997:
e102befe 1095 break;
3cc72986 1096 default:
ca76ceb8 1097 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
75d8a2b0 1098 ret = -ENODEV;
59db9691 1099 goto err_reset;
3cc72986
MB		 1100 }
1101
3cc72986
MB		 1102 /* If we have a /RESET GPIO we'll already be reset */
1103 if (!arizona->pdata.reset) {
1104 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1105 if (ret != 0) {
1106 dev_err(dev, "Failed to reset device: %d\n", ret);
59db9691 1107 goto err_reset;
3cc72986 1108 }
46b9d13a 1109
b79a980f 1110 usleep_range(1000, 5000);
3cc72986
MB		 1111 }
1112
ca76ceb8 1113 /* Ensure device startup is complete */
d955cba8
CK		 1114 switch (arizona->type) {
1115 case WM5102:
48018943
MB		 1116 ret = regmap_read(arizona->regmap,
1117 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1c1c6bba 1118 if (ret) {
d955cba8
CK		 1119 dev_err(dev,
1120 "Failed to check write sequencer state: %d\n",
1121 ret);
1c1c6bba
CK		 1122 } else if (val & 0x01) {
1123 ret = wm5102_clear_write_sequencer(arizona);
1124 if (ret)
1125 return ret;
d955cba8
CK		 1126 }
1127 break;
1c1c6bba
CK		 1128 default:
1129 break;
1130 }
1131
1132 ret = arizona_wait_for_boot(arizona);
1133 if (ret) {
1134 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1135 goto err_reset;
af65a361 1136 }
3cc72986 1137
ca76ceb8
MB		 1138 /* Read the device ID information & do device specific stuff */
1139 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1140 if (ret != 0) {
1141 dev_err(dev, "Failed to read ID register: %d\n", ret);
1142 goto err_reset;
1143 }
1144
1145 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1146 &arizona->rev);
1147 if (ret != 0) {
1148 dev_err(dev, "Failed to read revision register: %d\n", ret);
1149 goto err_reset;
1150 }
1151 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1152
1153 switch (reg) {
ca76ceb8 1154 case 0x5102:
b61c1ec0
RF		 1155 if (IS_ENABLED(CONFIG_MFD_WM5102)) {
1156 type_name = "WM5102";
1157 if (arizona->type != WM5102) {
1158 dev_warn(arizona->dev,
1159 "WM5102 registered as %d\n",
1160 arizona->type);
1161 arizona->type = WM5102;
1162 }
1163
1164 apply_patch = wm5102_patch;
1165 arizona->rev &= 0x7;
1166 subdevs = wm5102_devs;
1167 n_subdevs = ARRAY_SIZE(wm5102_devs);
ca76ceb8 1168 }
ca76ceb8 1169 break;
ca76ceb8 1170 case 0x5110:
b61c1ec0
RF		 1171 if (IS_ENABLED(CONFIG_MFD_WM5110)) {
1172 switch (arizona->type) {
1173 case WM5110:
1174 type_name = "WM5110";
1175 break;
1176 case WM8280:
1177 type_name = "WM8280";
1178 break;
1179 default:
1180 type_name = "WM5110";
1181 dev_warn(arizona->dev,
1182 "WM5110 registered as %d\n",
1183 arizona->type);
1184 arizona->type = WM5110;
1185 break;
1186 }
1187
1188 apply_patch = wm5110_patch;
1189 subdevs = wm5110_devs;
1190 n_subdevs = ARRAY_SIZE(wm5110_devs);
ca76ceb8 1191 }
ca76ceb8 1192 break;
ea1f3339
RF		 1193 case 0x6363:
1194 if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
1195 switch (arizona->type) {
1196 case CS47L24:
1197 type_name = "CS47L24";
1198 break;
1199
1200 case WM1831:
1201 type_name = "WM1831";
1202 break;
1203
1204 default:
1205 dev_warn(arizona->dev,
1206 "CS47L24 registered as %d\n",
1207 arizona->type);
1208 arizona->type = CS47L24;
1209 break;
1210 }
1211
1212 apply_patch = cs47l24_patch;
1213 subdevs = cs47l24_devs;
1214 n_subdevs = ARRAY_SIZE(cs47l24_devs);
1215 }
1216 break;
dc7d4863 1217 case 0x8997:
b61c1ec0
RF		 1218 if (IS_ENABLED(CONFIG_MFD_WM8997)) {
1219 type_name = "WM8997";
1220 if (arizona->type != WM8997) {
1221 dev_warn(arizona->dev,
1222 "WM8997 registered as %d\n",
1223 arizona->type);
1224 arizona->type = WM8997;
1225 }
1226
1227 apply_patch = wm8997_patch;
1228 subdevs = wm8997_devs;
1229 n_subdevs = ARRAY_SIZE(wm8997_devs);
dc7d4863 1230 }
dc7d4863 1231 break;
6887b042 1232 case 0x6349:
b61c1ec0
RF		 1233 if (IS_ENABLED(CONFIG_MFD_WM8998)) {
1234 switch (arizona->type) {
1235 case WM8998:
1236 type_name = "WM8998";
1237 break;
1238
1239 case WM1814:
1240 type_name = "WM1814";
1241 break;
1242
1243 default:
1244 type_name = "WM8998";
1245 dev_warn(arizona->dev,
1246 "WM8998 registered as %d\n",
1247 arizona->type);
1248 arizona->type = WM8998;
1249 }
6887b042 1250
b61c1ec0
RF		 1251 apply_patch = wm8998_patch;
1252 subdevs = wm8998_devs;
1253 n_subdevs = ARRAY_SIZE(wm8998_devs);
6887b042 1254 }
6887b042 1255 break;
ca76ceb8
MB		 1256 default:
1257 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
75d8a2b0 1258 ret = -ENODEV;
ca76ceb8
MB		 1259 goto err_reset;
1260 }
1261
b61c1ec0
RF		 1262 if (!subdevs) {
1263 dev_err(arizona->dev,
1264 "No kernel support for device ID %x\n", reg);
75d8a2b0 1265 ret = -ENODEV;
b61c1ec0
RF		 1266 goto err_reset;
1267 }
1268
ca76ceb8
MB		 1269 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1270
62d62b59
MB		 1271 if (apply_patch) {
1272 ret = apply_patch(arizona);
1273 if (ret != 0) {
1274 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1275 ret);
1276 goto err_reset;
1277 }
e80436bb
CK		 1278
1279 switch (arizona->type) {
1280 case WM5102:
0be068a0
CK		 1281 ret = wm5102_apply_hardware_patch(arizona);
1282 if (ret) {
e80436bb
CK		 1283 dev_err(arizona->dev,
1284 "Failed to apply hardware patch: %d\n",
1285 ret);
1286 goto err_reset;
1287 }
1288 break;
882bc468
CK		 1289 case WM5110:
1290 case WM8280:
1291 ret = wm5110_apply_sleep_patch(arizona);
1292 if (ret) {
1293 dev_err(arizona->dev,
1294 "Failed to apply sleep patch: %d\n",
1295 ret);
1296 goto err_reset;
1297 }
1298 break;
e80436bb
CK		 1299 default:
1300 break;
1301 }
62d62b59
MB		 1302 }
1303
3cc72986
MB		 1304 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1305 if (!arizona->pdata.gpio_defaults[i])
1306 continue;
1307
1308 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1309 arizona->pdata.gpio_defaults[i]);
1310 }
1311
3cc72986
MB		 1312 /* Chip default */
1313 if (!arizona->pdata.clk32k_src)
1314 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1315
1316 switch (arizona->pdata.clk32k_src) {
1317 case ARIZONA_32KZ_MCLK1:
1318 case ARIZONA_32KZ_MCLK2:
1319 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1320 ARIZONA_CLK_32K_SRC_MASK,
1321 arizona->pdata.clk32k_src - 1);
767c6dc0 1322 arizona_clk32k_enable(arizona);
3cc72986
MB		 1323 break;
1324 case ARIZONA_32KZ_NONE:
1325 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1326 ARIZONA_CLK_32K_SRC_MASK, 2);
1327 break;
1328 default:
1329 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1330 arizona->pdata.clk32k_src);
1331 ret = -EINVAL;
59db9691 1332 goto err_reset;
3cc72986
MB		 1333 }
1334
3d91f828 1335 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
544c7aad
MB		 1336 if (!arizona->pdata.micbias[i].mV &&
1337 !arizona->pdata.micbias[i].bypass)
3d91f828
MB		 1338 continue;
1339
544c7aad
MB		 1340 /* Apply default for bypass mode */
1341 if (!arizona->pdata.micbias[i].mV)
1342 arizona->pdata.micbias[i].mV = 2800;
1343
3d91f828 1344 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
544c7aad 1345
3d91f828
MB		 1346 val <<= ARIZONA_MICB1_LVL_SHIFT;
1347
1348 if (arizona->pdata.micbias[i].ext_cap)
1349 val |= ARIZONA_MICB1_EXT_CAP;
1350
1351 if (arizona->pdata.micbias[i].discharge)
1352 val |= ARIZONA_MICB1_DISCH;
1353
f773fc6d 1354 if (arizona->pdata.micbias[i].soft_start)
3d91f828
MB		 1355 val |= ARIZONA_MICB1_RATE;
1356
544c7aad
MB		 1357 if (arizona->pdata.micbias[i].bypass)
1358 val |= ARIZONA_MICB1_BYPASS;
1359
3d91f828
MB		 1360 regmap_update_bits(arizona->regmap,
1361 ARIZONA_MIC_BIAS_CTRL_1 + i,
1362 ARIZONA_MICB1_LVL_MASK |
71d134b9 1363 ARIZONA_MICB1_EXT_CAP |
3d91f828 1364 ARIZONA_MICB1_DISCH |
544c7aad 1365 ARIZONA_MICB1_BYPASS |
3d91f828
MB		 1366 ARIZONA_MICB1_RATE, val);
1367 }
1368
72e43164
CK		 1369 pm_runtime_set_active(arizona->dev);
1370 pm_runtime_enable(arizona->dev);
1371
3cc72986
MB		 1372 /* Set up for interrupts */
1373 ret = arizona_irq_init(arizona);
1374 if (ret != 0)
d347792c 1375 goto err_pm;
3cc72986 1376
72e43164
CK		 1377 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1378 pm_runtime_use_autosuspend(arizona->dev);
1379
3cc72986
MB		 1380 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1381 arizona_clkgen_err, arizona);
1382 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1383 arizona_overclocked, arizona);
1384 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1385 arizona_underclocked, arizona);
1386
ae05ea36
RF		 1387 ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1388 subdevs, n_subdevs, NULL, 0, NULL);
3cc72986 1389
ae05ea36 1390 if (ret) {
3cc72986
MB		 1391 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1392 goto err_irq;
1393 }
1394
1395 return 0;
1396
1397err_irq:
1398 arizona_irq_exit(arizona);
d347792c
CK		 1399err_pm:
1400 pm_runtime_disable(arizona->dev);
3cc72986 1401err_reset:
2229875d 1402 arizona_enable_reset(arizona);
59db9691 1403 regulator_disable(arizona->dcvdd);
3cc72986 1404err_enable:
3a36a0db 1405 regulator_bulk_disable(arizona->num_core_supplies,
3cc72986 1406 arizona->core_supplies);
e6021511
CK		 1407err_dcvdd:
1408 regulator_put(arizona->dcvdd);
3cc72986
MB		 1409err_early:
1410 mfd_remove_devices(dev);
1411 return ret;
1412}
1413EXPORT_SYMBOL_GPL(arizona_dev_init);
1414
4740f73f 1415int arizona_dev_exit(struct arizona *arizona)
3cc72986 1416{
fb36f77e 1417 disable_irq(arizona->irq);
b804020a
CK		 1418 pm_runtime_disable(arizona->dev);
1419
df6b3352 1420 regulator_disable(arizona->dcvdd);
e6021511 1421 regulator_put(arizona->dcvdd);
df6b3352 1422
3cc72986
MB		 1423 mfd_remove_devices(arizona->dev);
1424 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1425 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1426 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
3cc72986 1427 arizona_irq_exit(arizona);
2229875d 1428 arizona_enable_reset(arizona);
df6b3352 1429
4420286e 1430 regulator_bulk_disable(arizona->num_core_supplies,
1d017b6b 1431 arizona->core_supplies);
3cc72986
MB		 1432 return 0;
1433}
1434EXPORT_SYMBOL_GPL(arizona_dev_exit);
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