Commit | Line | Data |
---|---|---|
3cc72986 MB |
1 | /* |
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> | |
59db9691 | 14 | #include <linux/err.h> |
3cc72986 MB |
15 | #include <linux/gpio.h> |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/mfd/core.h> | |
18 | #include <linux/module.h> | |
d781009c MB |
19 | #include <linux/of.h> |
20 | #include <linux/of_device.h> | |
21 | #include <linux/of_gpio.h> | |
3cc72986 MB |
22 | #include <linux/pm_runtime.h> |
23 | #include <linux/regmap.h> | |
24 | #include <linux/regulator/consumer.h> | |
5927467d | 25 | #include <linux/regulator/machine.h> |
3cc72986 MB |
26 | #include <linux/slab.h> |
27 | ||
28 | #include <linux/mfd/arizona/core.h> | |
29 | #include <linux/mfd/arizona/registers.h> | |
30 | ||
31 | #include "arizona.h" | |
32 | ||
33 | static const char *wm5102_core_supplies[] = { | |
34 | "AVDD", | |
35 | "DBVDD1", | |
3cc72986 MB |
36 | }; |
37 | ||
38 | int arizona_clk32k_enable(struct arizona *arizona) | |
39 | { | |
40 | int ret = 0; | |
41 | ||
42 | mutex_lock(&arizona->clk_lock); | |
43 | ||
44 | arizona->clk32k_ref++; | |
45 | ||
247fa192 MB |
46 | if (arizona->clk32k_ref == 1) { |
47 | switch (arizona->pdata.clk32k_src) { | |
48 | case ARIZONA_32KZ_MCLK1: | |
49 | ret = pm_runtime_get_sync(arizona->dev); | |
50 | if (ret != 0) | |
51 | goto out; | |
52 | break; | |
53 | } | |
54 | ||
3cc72986 MB |
55 | ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
56 | ARIZONA_CLK_32K_ENA, | |
57 | ARIZONA_CLK_32K_ENA); | |
247fa192 | 58 | } |
3cc72986 | 59 | |
247fa192 | 60 | out: |
3cc72986 MB |
61 | if (ret != 0) |
62 | arizona->clk32k_ref--; | |
63 | ||
64 | mutex_unlock(&arizona->clk_lock); | |
65 | ||
66 | return ret; | |
67 | } | |
68 | EXPORT_SYMBOL_GPL(arizona_clk32k_enable); | |
69 | ||
70 | int arizona_clk32k_disable(struct arizona *arizona) | |
71 | { | |
72 | int ret = 0; | |
73 | ||
74 | mutex_lock(&arizona->clk_lock); | |
75 | ||
76 | BUG_ON(arizona->clk32k_ref <= 0); | |
77 | ||
78 | arizona->clk32k_ref--; | |
79 | ||
247fa192 | 80 | if (arizona->clk32k_ref == 0) { |
3cc72986 MB |
81 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
82 | ARIZONA_CLK_32K_ENA, 0); | |
83 | ||
247fa192 MB |
84 | switch (arizona->pdata.clk32k_src) { |
85 | case ARIZONA_32KZ_MCLK1: | |
86 | pm_runtime_put_sync(arizona->dev); | |
87 | break; | |
88 | } | |
89 | } | |
90 | ||
3cc72986 MB |
91 | mutex_unlock(&arizona->clk_lock); |
92 | ||
93 | return ret; | |
94 | } | |
95 | EXPORT_SYMBOL_GPL(arizona_clk32k_disable); | |
96 | ||
97 | static irqreturn_t arizona_clkgen_err(int irq, void *data) | |
98 | { | |
99 | struct arizona *arizona = data; | |
100 | ||
101 | dev_err(arizona->dev, "CLKGEN error\n"); | |
102 | ||
103 | return IRQ_HANDLED; | |
104 | } | |
105 | ||
106 | static irqreturn_t arizona_underclocked(int irq, void *data) | |
107 | { | |
108 | struct arizona *arizona = data; | |
109 | unsigned int val; | |
110 | int ret; | |
111 | ||
112 | ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8, | |
113 | &val); | |
114 | if (ret != 0) { | |
115 | dev_err(arizona->dev, "Failed to read underclock status: %d\n", | |
116 | ret); | |
117 | return IRQ_NONE; | |
118 | } | |
119 | ||
3cc72986 MB |
120 | if (val & ARIZONA_AIF3_UNDERCLOCKED_STS) |
121 | dev_err(arizona->dev, "AIF3 underclocked\n"); | |
122 | if (val & ARIZONA_AIF2_UNDERCLOCKED_STS) | |
3ebef34d CK |
123 | dev_err(arizona->dev, "AIF2 underclocked\n"); |
124 | if (val & ARIZONA_AIF1_UNDERCLOCKED_STS) | |
3cc72986 MB |
125 | dev_err(arizona->dev, "AIF1 underclocked\n"); |
126 | if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS) | |
127 | dev_err(arizona->dev, "ISRC2 underclocked\n"); | |
128 | if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS) | |
129 | dev_err(arizona->dev, "ISRC1 underclocked\n"); | |
130 | if (val & ARIZONA_FX_UNDERCLOCKED_STS) | |
131 | dev_err(arizona->dev, "FX underclocked\n"); | |
132 | if (val & ARIZONA_ASRC_UNDERCLOCKED_STS) | |
133 | dev_err(arizona->dev, "ASRC underclocked\n"); | |
134 | if (val & ARIZONA_DAC_UNDERCLOCKED_STS) | |
135 | dev_err(arizona->dev, "DAC underclocked\n"); | |
136 | if (val & ARIZONA_ADC_UNDERCLOCKED_STS) | |
137 | dev_err(arizona->dev, "ADC underclocked\n"); | |
138 | if (val & ARIZONA_MIXER_UNDERCLOCKED_STS) | |
648a9880 | 139 | dev_err(arizona->dev, "Mixer dropped sample\n"); |
3cc72986 MB |
140 | |
141 | return IRQ_HANDLED; | |
142 | } | |
143 | ||
144 | static irqreturn_t arizona_overclocked(int irq, void *data) | |
145 | { | |
146 | struct arizona *arizona = data; | |
147 | unsigned int val[2]; | |
148 | int ret; | |
149 | ||
150 | ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6, | |
151 | &val[0], 2); | |
152 | if (ret != 0) { | |
153 | dev_err(arizona->dev, "Failed to read overclock status: %d\n", | |
154 | ret); | |
155 | return IRQ_NONE; | |
156 | } | |
157 | ||
158 | if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS) | |
159 | dev_err(arizona->dev, "PWM overclocked\n"); | |
160 | if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS) | |
161 | dev_err(arizona->dev, "FX core overclocked\n"); | |
162 | if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS) | |
163 | dev_err(arizona->dev, "DAC SYS overclocked\n"); | |
164 | if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS) | |
165 | dev_err(arizona->dev, "DAC WARP overclocked\n"); | |
166 | if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS) | |
167 | dev_err(arizona->dev, "ADC overclocked\n"); | |
168 | if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS) | |
169 | dev_err(arizona->dev, "Mixer overclocked\n"); | |
170 | if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS) | |
171 | dev_err(arizona->dev, "AIF3 overclocked\n"); | |
172 | if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS) | |
173 | dev_err(arizona->dev, "AIF2 overclocked\n"); | |
174 | if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS) | |
175 | dev_err(arizona->dev, "AIF1 overclocked\n"); | |
176 | if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS) | |
177 | dev_err(arizona->dev, "Pad control overclocked\n"); | |
178 | ||
179 | if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS) | |
180 | dev_err(arizona->dev, "Slimbus subsystem overclocked\n"); | |
181 | if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS) | |
182 | dev_err(arizona->dev, "Slimbus async overclocked\n"); | |
183 | if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS) | |
184 | dev_err(arizona->dev, "Slimbus sync overclocked\n"); | |
185 | if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS) | |
186 | dev_err(arizona->dev, "ASRC async system overclocked\n"); | |
187 | if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS) | |
188 | dev_err(arizona->dev, "ASRC async WARP overclocked\n"); | |
189 | if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS) | |
190 | dev_err(arizona->dev, "ASRC sync system overclocked\n"); | |
191 | if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS) | |
192 | dev_err(arizona->dev, "ASRC sync WARP overclocked\n"); | |
193 | if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS) | |
194 | dev_err(arizona->dev, "DSP1 overclocked\n"); | |
195 | if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS) | |
196 | dev_err(arizona->dev, "ISRC2 overclocked\n"); | |
197 | if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS) | |
198 | dev_err(arizona->dev, "ISRC1 overclocked\n"); | |
199 | ||
200 | return IRQ_HANDLED; | |
201 | } | |
202 | ||
9d53dfdc CK |
203 | static int arizona_poll_reg(struct arizona *arizona, |
204 | int timeout, unsigned int reg, | |
205 | unsigned int mask, unsigned int target) | |
3cc72986 | 206 | { |
9d53dfdc | 207 | unsigned int val = 0; |
3cc72986 MB |
208 | int ret, i; |
209 | ||
9d53dfdc CK |
210 | for (i = 0; i < timeout; i++) { |
211 | ret = regmap_read(arizona->regmap, reg, &val); | |
3cc72986 | 212 | if (ret != 0) { |
9d53dfdc CK |
213 | dev_err(arizona->dev, "Failed to read reg %u: %d\n", |
214 | reg, ret); | |
cfe775ce | 215 | continue; |
3cc72986 MB |
216 | } |
217 | ||
9d53dfdc CK |
218 | if ((val & mask) == target) |
219 | return 0; | |
220 | ||
221 | msleep(1); | |
3cc72986 MB |
222 | } |
223 | ||
9d53dfdc CK |
224 | dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val); |
225 | return -ETIMEDOUT; | |
226 | } | |
227 | ||
228 | static int arizona_wait_for_boot(struct arizona *arizona) | |
229 | { | |
230 | int ret; | |
231 | ||
232 | /* | |
233 | * We can't use an interrupt as we need to runtime resume to do so, | |
234 | * we won't race with the interrupt handler as it'll be blocked on | |
235 | * runtime resume. | |
236 | */ | |
237 | ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5, | |
238 | ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS); | |
239 | ||
240 | if (!ret) | |
3cc72986 MB |
241 | regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5, |
242 | ARIZONA_BOOT_DONE_STS); | |
3cc72986 MB |
243 | |
244 | pm_runtime_mark_last_busy(arizona->dev); | |
245 | ||
9d53dfdc | 246 | return ret; |
3cc72986 MB |
247 | } |
248 | ||
e80436bb CK |
249 | static int arizona_apply_hardware_patch(struct arizona* arizona) |
250 | { | |
251 | unsigned int fll, sysclk; | |
252 | int ret, err; | |
253 | ||
e80436bb CK |
254 | /* Cache existing FLL and SYSCLK settings */ |
255 | ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll); | |
256 | if (ret != 0) { | |
257 | dev_err(arizona->dev, "Failed to cache FLL settings: %d\n", | |
258 | ret); | |
259 | return ret; | |
260 | } | |
261 | ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, &sysclk); | |
262 | if (ret != 0) { | |
263 | dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n", | |
264 | ret); | |
265 | return ret; | |
266 | } | |
267 | ||
268 | /* Start up SYSCLK using the FLL in free running mode */ | |
269 | ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, | |
270 | ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN); | |
271 | if (ret != 0) { | |
272 | dev_err(arizona->dev, | |
273 | "Failed to start FLL in freerunning mode: %d\n", | |
274 | ret); | |
275 | return ret; | |
276 | } | |
277 | ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5, | |
278 | ARIZONA_FLL1_CLOCK_OK_STS, | |
279 | ARIZONA_FLL1_CLOCK_OK_STS); | |
280 | if (ret != 0) { | |
281 | ret = -ETIMEDOUT; | |
282 | goto err_fll; | |
283 | } | |
284 | ||
285 | ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144); | |
286 | if (ret != 0) { | |
287 | dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret); | |
288 | goto err_fll; | |
289 | } | |
290 | ||
291 | /* Start the write sequencer and wait for it to finish */ | |
292 | ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0, | |
293 | ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160); | |
294 | if (ret != 0) { | |
295 | dev_err(arizona->dev, "Failed to start write sequencer: %d\n", | |
296 | ret); | |
297 | goto err_sysclk; | |
298 | } | |
299 | ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1, | |
300 | ARIZONA_WSEQ_BUSY, 0); | |
301 | if (ret != 0) { | |
302 | regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0, | |
303 | ARIZONA_WSEQ_ABORT); | |
304 | ret = -ETIMEDOUT; | |
305 | } | |
306 | ||
307 | err_sysclk: | |
308 | err = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, sysclk); | |
309 | if (err != 0) { | |
310 | dev_err(arizona->dev, | |
311 | "Failed to re-apply old SYSCLK settings: %d\n", | |
312 | err); | |
313 | } | |
314 | ||
315 | err_fll: | |
316 | err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, fll); | |
317 | if (err != 0) { | |
318 | dev_err(arizona->dev, | |
319 | "Failed to re-apply old FLL settings: %d\n", | |
320 | err); | |
321 | } | |
322 | ||
e80436bb CK |
323 | if (ret != 0) |
324 | return ret; | |
325 | else | |
326 | return err; | |
327 | } | |
328 | ||
3cc72986 MB |
329 | #ifdef CONFIG_PM_RUNTIME |
330 | static int arizona_runtime_resume(struct device *dev) | |
331 | { | |
332 | struct arizona *arizona = dev_get_drvdata(dev); | |
333 | int ret; | |
334 | ||
508c8299 MB |
335 | dev_dbg(arizona->dev, "Leaving AoD mode\n"); |
336 | ||
59db9691 MB |
337 | ret = regulator_enable(arizona->dcvdd); |
338 | if (ret != 0) { | |
339 | dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); | |
340 | return ret; | |
341 | } | |
3cc72986 MB |
342 | |
343 | regcache_cache_only(arizona->regmap, false); | |
344 | ||
4c9bb8bc CK |
345 | switch (arizona->type) { |
346 | case WM5102: | |
5927467d MB |
347 | if (arizona->external_dcvdd) { |
348 | ret = regmap_update_bits(arizona->regmap, | |
349 | ARIZONA_ISOLATION_CONTROL, | |
350 | ARIZONA_ISOLATE_DCVDD1, 0); | |
351 | if (ret != 0) { | |
352 | dev_err(arizona->dev, | |
353 | "Failed to connect DCVDD: %d\n", ret); | |
354 | goto err; | |
355 | } | |
356 | } | |
357 | ||
4c9bb8bc CK |
358 | ret = wm5102_patch(arizona); |
359 | if (ret != 0) { | |
360 | dev_err(arizona->dev, "Failed to apply patch: %d\n", | |
361 | ret); | |
362 | goto err; | |
363 | } | |
e80436bb CK |
364 | |
365 | ret = arizona_apply_hardware_patch(arizona); | |
366 | if (ret != 0) { | |
367 | dev_err(arizona->dev, | |
368 | "Failed to apply hardware patch: %d\n", | |
369 | ret); | |
370 | goto err; | |
371 | } | |
372 | break; | |
373 | default: | |
12bb68ed CK |
374 | ret = arizona_wait_for_boot(arizona); |
375 | if (ret != 0) { | |
376 | goto err; | |
377 | } | |
378 | ||
5927467d MB |
379 | if (arizona->external_dcvdd) { |
380 | ret = regmap_update_bits(arizona->regmap, | |
381 | ARIZONA_ISOLATION_CONTROL, | |
382 | ARIZONA_ISOLATE_DCVDD1, 0); | |
383 | if (ret != 0) { | |
384 | dev_err(arizona->dev, | |
385 | "Failed to connect DCVDD: %d\n", ret); | |
386 | goto err; | |
387 | } | |
388 | } | |
e80436bb | 389 | break; |
4c9bb8bc CK |
390 | } |
391 | ||
d9d03496 CK |
392 | switch (arizona->type) { |
393 | case WM5102: | |
394 | ret = wm5102_patch(arizona); | |
395 | if (ret != 0) { | |
396 | dev_err(arizona->dev, "Failed to apply patch: %d\n", | |
397 | ret); | |
398 | goto err; | |
399 | } | |
400 | default: | |
401 | break; | |
402 | } | |
403 | ||
9270bdf5 MB |
404 | ret = regcache_sync(arizona->regmap); |
405 | if (ret != 0) { | |
406 | dev_err(arizona->dev, "Failed to restore register cache\n"); | |
4816bd1c | 407 | goto err; |
9270bdf5 | 408 | } |
3cc72986 MB |
409 | |
410 | return 0; | |
4816bd1c MB |
411 | |
412 | err: | |
413 | regcache_cache_only(arizona->regmap, true); | |
414 | regulator_disable(arizona->dcvdd); | |
415 | return ret; | |
3cc72986 MB |
416 | } |
417 | ||
418 | static int arizona_runtime_suspend(struct device *dev) | |
419 | { | |
420 | struct arizona *arizona = dev_get_drvdata(dev); | |
5927467d | 421 | int ret; |
3cc72986 | 422 | |
508c8299 MB |
423 | dev_dbg(arizona->dev, "Entering AoD mode\n"); |
424 | ||
5927467d MB |
425 | if (arizona->external_dcvdd) { |
426 | ret = regmap_update_bits(arizona->regmap, | |
427 | ARIZONA_ISOLATION_CONTROL, | |
428 | ARIZONA_ISOLATE_DCVDD1, | |
429 | ARIZONA_ISOLATE_DCVDD1); | |
430 | if (ret != 0) { | |
431 | dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", | |
432 | ret); | |
433 | return ret; | |
434 | } | |
435 | } | |
436 | ||
59db9691 MB |
437 | regcache_cache_only(arizona->regmap, true); |
438 | regcache_mark_dirty(arizona->regmap); | |
e293e847 | 439 | regulator_disable(arizona->dcvdd); |
3cc72986 MB |
440 | |
441 | return 0; | |
442 | } | |
443 | #endif | |
444 | ||
dc781d0e | 445 | #ifdef CONFIG_PM_SLEEP |
67c99296 MB |
446 | static int arizona_suspend(struct device *dev) |
447 | { | |
448 | struct arizona *arizona = dev_get_drvdata(dev); | |
449 | ||
450 | dev_dbg(arizona->dev, "Suspend, disabling IRQ\n"); | |
451 | disable_irq(arizona->irq); | |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
456 | static int arizona_suspend_late(struct device *dev) | |
457 | { | |
458 | struct arizona *arizona = dev_get_drvdata(dev); | |
459 | ||
460 | dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n"); | |
461 | enable_irq(arizona->irq); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
dc781d0e MB |
466 | static int arizona_resume_noirq(struct device *dev) |
467 | { | |
468 | struct arizona *arizona = dev_get_drvdata(dev); | |
469 | ||
470 | dev_dbg(arizona->dev, "Early resume, disabling IRQ\n"); | |
471 | disable_irq(arizona->irq); | |
472 | ||
473 | return 0; | |
474 | } | |
475 | ||
476 | static int arizona_resume(struct device *dev) | |
477 | { | |
478 | struct arizona *arizona = dev_get_drvdata(dev); | |
479 | ||
480 | dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n"); | |
481 | enable_irq(arizona->irq); | |
482 | ||
483 | return 0; | |
484 | } | |
485 | #endif | |
486 | ||
3cc72986 MB |
487 | const struct dev_pm_ops arizona_pm_ops = { |
488 | SET_RUNTIME_PM_OPS(arizona_runtime_suspend, | |
489 | arizona_runtime_resume, | |
490 | NULL) | |
67c99296 | 491 | SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume) |
dc781d0e | 492 | #ifdef CONFIG_PM_SLEEP |
67c99296 | 493 | .suspend_late = arizona_suspend_late, |
dc781d0e MB |
494 | .resume_noirq = arizona_resume_noirq, |
495 | #endif | |
3cc72986 MB |
496 | }; |
497 | EXPORT_SYMBOL_GPL(arizona_pm_ops); | |
498 | ||
d781009c | 499 | #ifdef CONFIG_OF |
942786e6 | 500 | unsigned long arizona_of_get_type(struct device *dev) |
d781009c MB |
501 | { |
502 | const struct of_device_id *id = of_match_device(arizona_of_match, dev); | |
503 | ||
504 | if (id) | |
942786e6 | 505 | return (unsigned long)id->data; |
d781009c MB |
506 | else |
507 | return 0; | |
508 | } | |
509 | EXPORT_SYMBOL_GPL(arizona_of_get_type); | |
510 | ||
e4fcb1d6 CK |
511 | int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop, |
512 | bool mandatory) | |
513 | { | |
514 | int gpio; | |
515 | ||
516 | gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0); | |
517 | if (gpio < 0) { | |
518 | if (mandatory) | |
519 | dev_err(arizona->dev, | |
520 | "Mandatory DT gpio %s missing/malformed: %d\n", | |
521 | prop, gpio); | |
522 | ||
523 | gpio = 0; | |
524 | } | |
525 | ||
526 | return gpio; | |
527 | } | |
528 | EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio); | |
529 | ||
d781009c MB |
530 | static int arizona_of_get_core_pdata(struct arizona *arizona) |
531 | { | |
e4fcb1d6 | 532 | struct arizona_pdata *pdata = &arizona->pdata; |
d781009c MB |
533 | int ret, i; |
534 | ||
e4fcb1d6 | 535 | pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true); |
d781009c MB |
536 | |
537 | ret = of_property_read_u32_array(arizona->dev->of_node, | |
538 | "wlf,gpio-defaults", | |
539 | arizona->pdata.gpio_defaults, | |
540 | ARRAY_SIZE(arizona->pdata.gpio_defaults)); | |
541 | if (ret >= 0) { | |
542 | /* | |
543 | * All values are literal except out of range values | |
544 | * which are chip default, translate into platform | |
545 | * data which uses 0 as chip default and out of range | |
546 | * as zero. | |
547 | */ | |
548 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { | |
549 | if (arizona->pdata.gpio_defaults[i] > 0xffff) | |
550 | arizona->pdata.gpio_defaults[i] = 0; | |
91c73935 | 551 | else if (arizona->pdata.gpio_defaults[i] == 0) |
d781009c MB |
552 | arizona->pdata.gpio_defaults[i] = 0x10000; |
553 | } | |
554 | } else { | |
555 | dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n", | |
556 | ret); | |
557 | } | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | const struct of_device_id arizona_of_match[] = { | |
563 | { .compatible = "wlf,wm5102", .data = (void *)WM5102 }, | |
564 | { .compatible = "wlf,wm5110", .data = (void *)WM5110 }, | |
dc7d4863 | 565 | { .compatible = "wlf,wm8997", .data = (void *)WM8997 }, |
d781009c MB |
566 | {}, |
567 | }; | |
568 | EXPORT_SYMBOL_GPL(arizona_of_match); | |
569 | #else | |
570 | static inline int arizona_of_get_core_pdata(struct arizona *arizona) | |
571 | { | |
572 | return 0; | |
573 | } | |
574 | #endif | |
575 | ||
5ac98553 | 576 | static const struct mfd_cell early_devs[] = { |
3cc72986 MB |
577 | { .name = "arizona-ldo1" }, |
578 | }; | |
579 | ||
32dadef2 CK |
580 | static const char *wm5102_supplies[] = { |
581 | "DBVDD2", | |
582 | "DBVDD3", | |
583 | "CPVDD", | |
584 | "SPKVDDL", | |
585 | "SPKVDDR", | |
058c8901 | 586 | "MICVDD", |
32dadef2 CK |
587 | }; |
588 | ||
5ac98553 | 589 | static const struct mfd_cell wm5102_devs[] = { |
d7768111 | 590 | { .name = "arizona-micsupp" }, |
3cc72986 MB |
591 | { .name = "arizona-extcon" }, |
592 | { .name = "arizona-gpio" }, | |
503b1cac | 593 | { .name = "arizona-haptics" }, |
3cc72986 | 594 | { .name = "arizona-pwm" }, |
32dadef2 CK |
595 | { |
596 | .name = "wm5102-codec", | |
597 | .parent_supplies = wm5102_supplies, | |
598 | .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), | |
599 | }, | |
3cc72986 MB |
600 | }; |
601 | ||
5ac98553 | 602 | static const struct mfd_cell wm5110_devs[] = { |
d7768111 | 603 | { .name = "arizona-micsupp" }, |
e102befe MB |
604 | { .name = "arizona-extcon" }, |
605 | { .name = "arizona-gpio" }, | |
503b1cac | 606 | { .name = "arizona-haptics" }, |
e102befe | 607 | { .name = "arizona-pwm" }, |
32dadef2 CK |
608 | { |
609 | .name = "wm5110-codec", | |
610 | .parent_supplies = wm5102_supplies, | |
611 | .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), | |
612 | }, | |
613 | }; | |
614 | ||
615 | static const char *wm8997_supplies[] = { | |
616 | "DBVDD2", | |
617 | "CPVDD", | |
618 | "SPKVDD", | |
e102befe MB |
619 | }; |
620 | ||
5ac98553 | 621 | static const struct mfd_cell wm8997_devs[] = { |
dc7d4863 CK |
622 | { .name = "arizona-micsupp" }, |
623 | { .name = "arizona-extcon" }, | |
624 | { .name = "arizona-gpio" }, | |
625 | { .name = "arizona-haptics" }, | |
626 | { .name = "arizona-pwm" }, | |
32dadef2 CK |
627 | { |
628 | .name = "wm8997-codec", | |
629 | .parent_supplies = wm8997_supplies, | |
630 | .num_parent_supplies = ARRAY_SIZE(wm8997_supplies), | |
631 | }, | |
dc7d4863 CK |
632 | }; |
633 | ||
f791be49 | 634 | int arizona_dev_init(struct arizona *arizona) |
3cc72986 MB |
635 | { |
636 | struct device *dev = arizona->dev; | |
637 | const char *type_name; | |
638 | unsigned int reg, val; | |
62d62b59 | 639 | int (*apply_patch)(struct arizona *) = NULL; |
3cc72986 MB |
640 | int ret, i; |
641 | ||
642 | dev_set_drvdata(arizona->dev, arizona); | |
643 | mutex_init(&arizona->clk_lock); | |
644 | ||
645 | if (dev_get_platdata(arizona->dev)) | |
646 | memcpy(&arizona->pdata, dev_get_platdata(arizona->dev), | |
647 | sizeof(arizona->pdata)); | |
22d7dc8a LJ |
648 | else |
649 | arizona_of_get_core_pdata(arizona); | |
3cc72986 MB |
650 | |
651 | regcache_cache_only(arizona->regmap, true); | |
652 | ||
653 | switch (arizona->type) { | |
654 | case WM5102: | |
e102befe | 655 | case WM5110: |
dc7d4863 | 656 | case WM8997: |
3cc72986 MB |
657 | for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++) |
658 | arizona->core_supplies[i].supply | |
659 | = wm5102_core_supplies[i]; | |
660 | arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies); | |
661 | break; | |
662 | default: | |
663 | dev_err(arizona->dev, "Unknown device type %d\n", | |
664 | arizona->type); | |
665 | return -EINVAL; | |
666 | } | |
667 | ||
4a8c475f CK |
668 | /* Mark DCVDD as external, LDO1 driver will clear if internal */ |
669 | arizona->external_dcvdd = true; | |
670 | ||
3cc72986 | 671 | ret = mfd_add_devices(arizona->dev, -1, early_devs, |
0848c94f | 672 | ARRAY_SIZE(early_devs), NULL, 0, NULL); |
3cc72986 MB |
673 | if (ret != 0) { |
674 | dev_err(dev, "Failed to add early children: %d\n", ret); | |
675 | return ret; | |
676 | } | |
677 | ||
678 | ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies, | |
679 | arizona->core_supplies); | |
680 | if (ret != 0) { | |
681 | dev_err(dev, "Failed to request core supplies: %d\n", | |
682 | ret); | |
683 | goto err_early; | |
684 | } | |
685 | ||
0c2d0ffb CK |
686 | /** |
687 | * Don't use devres here because the only device we have to get | |
688 | * against is the MFD device and DCVDD will likely be supplied by | |
689 | * one of its children. Meaning that the regulator will be | |
690 | * destroyed by the time devres calls regulator put. | |
691 | */ | |
e6021511 | 692 | arizona->dcvdd = regulator_get(arizona->dev, "DCVDD"); |
59db9691 MB |
693 | if (IS_ERR(arizona->dcvdd)) { |
694 | ret = PTR_ERR(arizona->dcvdd); | |
695 | dev_err(dev, "Failed to request DCVDD: %d\n", ret); | |
696 | goto err_early; | |
697 | } | |
698 | ||
87d3af4a MB |
699 | if (arizona->pdata.reset) { |
700 | /* Start out with /RESET low to put the chip into reset */ | |
701 | ret = gpio_request_one(arizona->pdata.reset, | |
702 | GPIOF_DIR_OUT | GPIOF_INIT_LOW, | |
703 | "arizona /RESET"); | |
704 | if (ret != 0) { | |
705 | dev_err(dev, "Failed to request /RESET: %d\n", ret); | |
e6021511 | 706 | goto err_dcvdd; |
87d3af4a MB |
707 | } |
708 | } | |
709 | ||
3cc72986 MB |
710 | ret = regulator_bulk_enable(arizona->num_core_supplies, |
711 | arizona->core_supplies); | |
712 | if (ret != 0) { | |
713 | dev_err(dev, "Failed to enable core supplies: %d\n", | |
714 | ret); | |
e6021511 | 715 | goto err_dcvdd; |
3cc72986 MB |
716 | } |
717 | ||
59db9691 MB |
718 | ret = regulator_enable(arizona->dcvdd); |
719 | if (ret != 0) { | |
720 | dev_err(dev, "Failed to enable DCVDD: %d\n", ret); | |
721 | goto err_enable; | |
722 | } | |
723 | ||
c25feaa5 | 724 | if (arizona->pdata.reset) { |
3cc72986 | 725 | gpio_set_value_cansleep(arizona->pdata.reset, 1); |
c25feaa5 CK |
726 | msleep(1); |
727 | } | |
3cc72986 | 728 | |
3cc72986 MB |
729 | regcache_cache_only(arizona->regmap, false); |
730 | ||
ca76ceb8 | 731 | /* Verify that this is a chip we know about */ |
3cc72986 MB |
732 | ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); |
733 | if (ret != 0) { | |
734 | dev_err(dev, "Failed to read ID register: %d\n", ret); | |
59db9691 | 735 | goto err_reset; |
3cc72986 MB |
736 | } |
737 | ||
3cc72986 MB |
738 | switch (reg) { |
739 | case 0x5102: | |
e102befe | 740 | case 0x5110: |
dc7d4863 | 741 | case 0x8997: |
e102befe | 742 | break; |
3cc72986 | 743 | default: |
ca76ceb8 | 744 | dev_err(arizona->dev, "Unknown device ID: %x\n", reg); |
59db9691 | 745 | goto err_reset; |
3cc72986 MB |
746 | } |
747 | ||
3cc72986 MB |
748 | /* If we have a /RESET GPIO we'll already be reset */ |
749 | if (!arizona->pdata.reset) { | |
46b9d13a CK |
750 | regcache_mark_dirty(arizona->regmap); |
751 | ||
3cc72986 MB |
752 | ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); |
753 | if (ret != 0) { | |
754 | dev_err(dev, "Failed to reset device: %d\n", ret); | |
59db9691 | 755 | goto err_reset; |
3cc72986 | 756 | } |
46b9d13a | 757 | |
c25feaa5 CK |
758 | msleep(1); |
759 | ||
46b9d13a CK |
760 | ret = regcache_sync(arizona->regmap); |
761 | if (ret != 0) { | |
762 | dev_err(dev, "Failed to sync device: %d\n", ret); | |
763 | goto err_reset; | |
764 | } | |
3cc72986 MB |
765 | } |
766 | ||
ca76ceb8 | 767 | /* Ensure device startup is complete */ |
d955cba8 CK |
768 | switch (arizona->type) { |
769 | case WM5102: | |
770 | ret = regmap_read(arizona->regmap, 0x19, &val); | |
771 | if (ret != 0) | |
772 | dev_err(dev, | |
773 | "Failed to check write sequencer state: %d\n", | |
774 | ret); | |
775 | else if (val & 0x01) | |
776 | break; | |
777 | /* Fall through */ | |
778 | default: | |
779 | ret = arizona_wait_for_boot(arizona); | |
780 | if (ret != 0) { | |
781 | dev_err(arizona->dev, | |
782 | "Device failed initial boot: %d\n", ret); | |
783 | goto err_reset; | |
784 | } | |
785 | break; | |
af65a361 | 786 | } |
3cc72986 | 787 | |
ca76ceb8 MB |
788 | /* Read the device ID information & do device specific stuff */ |
789 | ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); | |
790 | if (ret != 0) { | |
791 | dev_err(dev, "Failed to read ID register: %d\n", ret); | |
792 | goto err_reset; | |
793 | } | |
794 | ||
795 | ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION, | |
796 | &arizona->rev); | |
797 | if (ret != 0) { | |
798 | dev_err(dev, "Failed to read revision register: %d\n", ret); | |
799 | goto err_reset; | |
800 | } | |
801 | arizona->rev &= ARIZONA_DEVICE_REVISION_MASK; | |
802 | ||
803 | switch (reg) { | |
804 | #ifdef CONFIG_MFD_WM5102 | |
805 | case 0x5102: | |
806 | type_name = "WM5102"; | |
807 | if (arizona->type != WM5102) { | |
808 | dev_err(arizona->dev, "WM5102 registered as %d\n", | |
809 | arizona->type); | |
810 | arizona->type = WM5102; | |
811 | } | |
812 | apply_patch = wm5102_patch; | |
813 | arizona->rev &= 0x7; | |
814 | break; | |
815 | #endif | |
816 | #ifdef CONFIG_MFD_WM5110 | |
817 | case 0x5110: | |
818 | type_name = "WM5110"; | |
819 | if (arizona->type != WM5110) { | |
820 | dev_err(arizona->dev, "WM5110 registered as %d\n", | |
821 | arizona->type); | |
822 | arizona->type = WM5110; | |
823 | } | |
824 | apply_patch = wm5110_patch; | |
825 | break; | |
dc7d4863 CK |
826 | #endif |
827 | #ifdef CONFIG_MFD_WM8997 | |
828 | case 0x8997: | |
829 | type_name = "WM8997"; | |
830 | if (arizona->type != WM8997) { | |
831 | dev_err(arizona->dev, "WM8997 registered as %d\n", | |
832 | arizona->type); | |
833 | arizona->type = WM8997; | |
834 | } | |
835 | apply_patch = wm8997_patch; | |
836 | break; | |
ca76ceb8 MB |
837 | #endif |
838 | default: | |
839 | dev_err(arizona->dev, "Unknown device ID %x\n", reg); | |
840 | goto err_reset; | |
841 | } | |
842 | ||
843 | dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); | |
844 | ||
62d62b59 MB |
845 | if (apply_patch) { |
846 | ret = apply_patch(arizona); | |
847 | if (ret != 0) { | |
848 | dev_err(arizona->dev, "Failed to apply patch: %d\n", | |
849 | ret); | |
850 | goto err_reset; | |
851 | } | |
e80436bb CK |
852 | |
853 | switch (arizona->type) { | |
854 | case WM5102: | |
855 | ret = arizona_apply_hardware_patch(arizona); | |
856 | if (ret != 0) { | |
857 | dev_err(arizona->dev, | |
858 | "Failed to apply hardware patch: %d\n", | |
859 | ret); | |
860 | goto err_reset; | |
861 | } | |
862 | break; | |
863 | default: | |
864 | break; | |
865 | } | |
62d62b59 MB |
866 | } |
867 | ||
3cc72986 MB |
868 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { |
869 | if (!arizona->pdata.gpio_defaults[i]) | |
870 | continue; | |
871 | ||
872 | regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i, | |
873 | arizona->pdata.gpio_defaults[i]); | |
874 | } | |
875 | ||
876 | pm_runtime_set_autosuspend_delay(arizona->dev, 100); | |
877 | pm_runtime_use_autosuspend(arizona->dev); | |
878 | pm_runtime_enable(arizona->dev); | |
879 | ||
880 | /* Chip default */ | |
881 | if (!arizona->pdata.clk32k_src) | |
882 | arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; | |
883 | ||
884 | switch (arizona->pdata.clk32k_src) { | |
885 | case ARIZONA_32KZ_MCLK1: | |
886 | case ARIZONA_32KZ_MCLK2: | |
887 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, | |
888 | ARIZONA_CLK_32K_SRC_MASK, | |
889 | arizona->pdata.clk32k_src - 1); | |
767c6dc0 | 890 | arizona_clk32k_enable(arizona); |
3cc72986 MB |
891 | break; |
892 | case ARIZONA_32KZ_NONE: | |
893 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, | |
894 | ARIZONA_CLK_32K_SRC_MASK, 2); | |
895 | break; | |
896 | default: | |
897 | dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n", | |
898 | arizona->pdata.clk32k_src); | |
899 | ret = -EINVAL; | |
59db9691 | 900 | goto err_reset; |
3cc72986 MB |
901 | } |
902 | ||
3d91f828 | 903 | for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) { |
544c7aad MB |
904 | if (!arizona->pdata.micbias[i].mV && |
905 | !arizona->pdata.micbias[i].bypass) | |
3d91f828 MB |
906 | continue; |
907 | ||
544c7aad MB |
908 | /* Apply default for bypass mode */ |
909 | if (!arizona->pdata.micbias[i].mV) | |
910 | arizona->pdata.micbias[i].mV = 2800; | |
911 | ||
3d91f828 | 912 | val = (arizona->pdata.micbias[i].mV - 1500) / 100; |
544c7aad | 913 | |
3d91f828 MB |
914 | val <<= ARIZONA_MICB1_LVL_SHIFT; |
915 | ||
916 | if (arizona->pdata.micbias[i].ext_cap) | |
917 | val |= ARIZONA_MICB1_EXT_CAP; | |
918 | ||
919 | if (arizona->pdata.micbias[i].discharge) | |
920 | val |= ARIZONA_MICB1_DISCH; | |
921 | ||
f773fc6d | 922 | if (arizona->pdata.micbias[i].soft_start) |
3d91f828 MB |
923 | val |= ARIZONA_MICB1_RATE; |
924 | ||
544c7aad MB |
925 | if (arizona->pdata.micbias[i].bypass) |
926 | val |= ARIZONA_MICB1_BYPASS; | |
927 | ||
3d91f828 MB |
928 | regmap_update_bits(arizona->regmap, |
929 | ARIZONA_MIC_BIAS_CTRL_1 + i, | |
930 | ARIZONA_MICB1_LVL_MASK | | |
931 | ARIZONA_MICB1_DISCH | | |
544c7aad | 932 | ARIZONA_MICB1_BYPASS | |
3d91f828 MB |
933 | ARIZONA_MICB1_RATE, val); |
934 | } | |
935 | ||
3cc72986 MB |
936 | for (i = 0; i < ARIZONA_MAX_INPUT; i++) { |
937 | /* Default for both is 0 so noop with defaults */ | |
938 | val = arizona->pdata.dmic_ref[i] | |
939 | << ARIZONA_IN1_DMIC_SUP_SHIFT; | |
940 | val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT; | |
941 | ||
942 | regmap_update_bits(arizona->regmap, | |
943 | ARIZONA_IN1L_CONTROL + (i * 8), | |
944 | ARIZONA_IN1_DMIC_SUP_MASK | | |
945 | ARIZONA_IN1_MODE_MASK, val); | |
946 | } | |
947 | ||
948 | for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) { | |
949 | /* Default is 0 so noop with defaults */ | |
950 | if (arizona->pdata.out_mono[i]) | |
951 | val = ARIZONA_OUT1_MONO; | |
952 | else | |
953 | val = 0; | |
954 | ||
955 | regmap_update_bits(arizona->regmap, | |
956 | ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8), | |
957 | ARIZONA_OUT1_MONO, val); | |
958 | } | |
959 | ||
3cc72986 MB |
960 | for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) { |
961 | if (arizona->pdata.spk_mute[i]) | |
962 | regmap_update_bits(arizona->regmap, | |
2a51da04 | 963 | ARIZONA_PDM_SPK1_CTRL_1 + (i * 2), |
3cc72986 MB |
964 | ARIZONA_SPK1_MUTE_ENDIAN_MASK | |
965 | ARIZONA_SPK1_MUTE_SEQ1_MASK, | |
966 | arizona->pdata.spk_mute[i]); | |
967 | ||
968 | if (arizona->pdata.spk_fmt[i]) | |
969 | regmap_update_bits(arizona->regmap, | |
2a51da04 | 970 | ARIZONA_PDM_SPK1_CTRL_2 + (i * 2), |
3cc72986 MB |
971 | ARIZONA_SPK1_FMT_MASK, |
972 | arizona->pdata.spk_fmt[i]); | |
973 | } | |
974 | ||
975 | /* Set up for interrupts */ | |
976 | ret = arizona_irq_init(arizona); | |
977 | if (ret != 0) | |
59db9691 | 978 | goto err_reset; |
3cc72986 MB |
979 | |
980 | arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", | |
981 | arizona_clkgen_err, arizona); | |
982 | arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", | |
983 | arizona_overclocked, arizona); | |
984 | arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked", | |
985 | arizona_underclocked, arizona); | |
986 | ||
987 | switch (arizona->type) { | |
988 | case WM5102: | |
989 | ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, | |
0848c94f | 990 | ARRAY_SIZE(wm5102_devs), NULL, 0, NULL); |
e102befe MB |
991 | break; |
992 | case WM5110: | |
993 | ret = mfd_add_devices(arizona->dev, -1, wm5110_devs, | |
78566afd | 994 | ARRAY_SIZE(wm5110_devs), NULL, 0, NULL); |
3cc72986 | 995 | break; |
dc7d4863 CK |
996 | case WM8997: |
997 | ret = mfd_add_devices(arizona->dev, -1, wm8997_devs, | |
998 | ARRAY_SIZE(wm8997_devs), NULL, 0, NULL); | |
999 | break; | |
3cc72986 MB |
1000 | } |
1001 | ||
1002 | if (ret != 0) { | |
1003 | dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret); | |
1004 | goto err_irq; | |
1005 | } | |
1006 | ||
59db9691 MB |
1007 | #ifdef CONFIG_PM_RUNTIME |
1008 | regulator_disable(arizona->dcvdd); | |
1009 | #endif | |
1010 | ||
3cc72986 MB |
1011 | return 0; |
1012 | ||
1013 | err_irq: | |
1014 | arizona_irq_exit(arizona); | |
3cc72986 MB |
1015 | err_reset: |
1016 | if (arizona->pdata.reset) { | |
87d3af4a | 1017 | gpio_set_value_cansleep(arizona->pdata.reset, 0); |
3cc72986 MB |
1018 | gpio_free(arizona->pdata.reset); |
1019 | } | |
59db9691 | 1020 | regulator_disable(arizona->dcvdd); |
3cc72986 | 1021 | err_enable: |
3a36a0db | 1022 | regulator_bulk_disable(arizona->num_core_supplies, |
3cc72986 | 1023 | arizona->core_supplies); |
e6021511 CK |
1024 | err_dcvdd: |
1025 | regulator_put(arizona->dcvdd); | |
3cc72986 MB |
1026 | err_early: |
1027 | mfd_remove_devices(dev); | |
1028 | return ret; | |
1029 | } | |
1030 | EXPORT_SYMBOL_GPL(arizona_dev_init); | |
1031 | ||
4740f73f | 1032 | int arizona_dev_exit(struct arizona *arizona) |
3cc72986 | 1033 | { |
b804020a CK |
1034 | pm_runtime_disable(arizona->dev); |
1035 | ||
df6b3352 | 1036 | regulator_disable(arizona->dcvdd); |
e6021511 | 1037 | regulator_put(arizona->dcvdd); |
df6b3352 | 1038 | |
3cc72986 MB |
1039 | mfd_remove_devices(arizona->dev); |
1040 | arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona); | |
1041 | arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona); | |
1042 | arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona); | |
3cc72986 | 1043 | arizona_irq_exit(arizona); |
1d017b6b MB |
1044 | if (arizona->pdata.reset) |
1045 | gpio_set_value_cansleep(arizona->pdata.reset, 0); | |
df6b3352 | 1046 | |
4420286e | 1047 | regulator_bulk_disable(arizona->num_core_supplies, |
1d017b6b | 1048 | arizona->core_supplies); |
3cc72986 MB |
1049 | return 0; |
1050 | } | |
1051 | EXPORT_SYMBOL_GPL(arizona_dev_exit); |