4 * Copyright 2012 Wolfson Microelectronics plc
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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.
13 #include <linux/delay.h>
14 #include <linux/err.h>
15 #include <linux/gpio.h>
16 #include <linux/interrupt.h>
17 #include <linux/mfd/core.h>
18 #include <linux/module.h>
20 #include <linux/of_device.h>
21 #include <linux/of_gpio.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/regmap.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/slab.h>
28 #include <linux/mfd/arizona/core.h>
29 #include <linux/mfd/arizona/registers.h>
33 static const char *wm5102_core_supplies
[] = {
38 int arizona_clk32k_enable(struct arizona
*arizona
)
42 mutex_lock(&arizona
->clk_lock
);
44 arizona
->clk32k_ref
++;
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
);
55 ret
= regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
62 arizona
->clk32k_ref
--;
64 mutex_unlock(&arizona
->clk_lock
);
68 EXPORT_SYMBOL_GPL(arizona_clk32k_enable
);
70 int arizona_clk32k_disable(struct arizona
*arizona
)
74 mutex_lock(&arizona
->clk_lock
);
76 BUG_ON(arizona
->clk32k_ref
<= 0);
78 arizona
->clk32k_ref
--;
80 if (arizona
->clk32k_ref
== 0) {
81 regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
82 ARIZONA_CLK_32K_ENA
, 0);
84 switch (arizona
->pdata
.clk32k_src
) {
85 case ARIZONA_32KZ_MCLK1
:
86 pm_runtime_put_sync(arizona
->dev
);
91 mutex_unlock(&arizona
->clk_lock
);
95 EXPORT_SYMBOL_GPL(arizona_clk32k_disable
);
97 static irqreturn_t
arizona_clkgen_err(int irq
, void *data
)
99 struct arizona
*arizona
= data
;
101 dev_err(arizona
->dev
, "CLKGEN error\n");
106 static irqreturn_t
arizona_underclocked(int irq
, void *data
)
108 struct arizona
*arizona
= data
;
112 ret
= regmap_read(arizona
->regmap
, ARIZONA_INTERRUPT_RAW_STATUS_8
,
115 dev_err(arizona
->dev
, "Failed to read underclock status: %d\n",
120 if (val
& ARIZONA_AIF3_UNDERCLOCKED_STS
)
121 dev_err(arizona
->dev
, "AIF3 underclocked\n");
122 if (val
& ARIZONA_AIF2_UNDERCLOCKED_STS
)
123 dev_err(arizona
->dev
, "AIF2 underclocked\n");
124 if (val
& ARIZONA_AIF1_UNDERCLOCKED_STS
)
125 dev_err(arizona
->dev
, "AIF1 underclocked\n");
126 if (val
& ARIZONA_ISRC3_UNDERCLOCKED_STS
)
127 dev_err(arizona
->dev
, "ISRC3 underclocked\n");
128 if (val
& ARIZONA_ISRC2_UNDERCLOCKED_STS
)
129 dev_err(arizona
->dev
, "ISRC2 underclocked\n");
130 if (val
& ARIZONA_ISRC1_UNDERCLOCKED_STS
)
131 dev_err(arizona
->dev
, "ISRC1 underclocked\n");
132 if (val
& ARIZONA_FX_UNDERCLOCKED_STS
)
133 dev_err(arizona
->dev
, "FX underclocked\n");
134 if (val
& ARIZONA_ASRC_UNDERCLOCKED_STS
)
135 dev_err(arizona
->dev
, "ASRC underclocked\n");
136 if (val
& ARIZONA_DAC_UNDERCLOCKED_STS
)
137 dev_err(arizona
->dev
, "DAC underclocked\n");
138 if (val
& ARIZONA_ADC_UNDERCLOCKED_STS
)
139 dev_err(arizona
->dev
, "ADC underclocked\n");
140 if (val
& ARIZONA_MIXER_UNDERCLOCKED_STS
)
141 dev_err(arizona
->dev
, "Mixer dropped sample\n");
146 static irqreturn_t
arizona_overclocked(int irq
, void *data
)
148 struct arizona
*arizona
= data
;
152 ret
= regmap_bulk_read(arizona
->regmap
, ARIZONA_INTERRUPT_RAW_STATUS_6
,
155 dev_err(arizona
->dev
, "Failed to read overclock status: %d\n",
160 if (val
[0] & ARIZONA_PWM_OVERCLOCKED_STS
)
161 dev_err(arizona
->dev
, "PWM overclocked\n");
162 if (val
[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS
)
163 dev_err(arizona
->dev
, "FX core overclocked\n");
164 if (val
[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS
)
165 dev_err(arizona
->dev
, "DAC SYS overclocked\n");
166 if (val
[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS
)
167 dev_err(arizona
->dev
, "DAC WARP overclocked\n");
168 if (val
[0] & ARIZONA_ADC_OVERCLOCKED_STS
)
169 dev_err(arizona
->dev
, "ADC overclocked\n");
170 if (val
[0] & ARIZONA_MIXER_OVERCLOCKED_STS
)
171 dev_err(arizona
->dev
, "Mixer overclocked\n");
172 if (val
[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS
)
173 dev_err(arizona
->dev
, "AIF3 overclocked\n");
174 if (val
[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS
)
175 dev_err(arizona
->dev
, "AIF2 overclocked\n");
176 if (val
[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS
)
177 dev_err(arizona
->dev
, "AIF1 overclocked\n");
178 if (val
[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS
)
179 dev_err(arizona
->dev
, "Pad control overclocked\n");
181 if (val
[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS
)
182 dev_err(arizona
->dev
, "Slimbus subsystem overclocked\n");
183 if (val
[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS
)
184 dev_err(arizona
->dev
, "Slimbus async overclocked\n");
185 if (val
[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS
)
186 dev_err(arizona
->dev
, "Slimbus sync overclocked\n");
187 if (val
[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS
)
188 dev_err(arizona
->dev
, "ASRC async system overclocked\n");
189 if (val
[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS
)
190 dev_err(arizona
->dev
, "ASRC async WARP overclocked\n");
191 if (val
[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS
)
192 dev_err(arizona
->dev
, "ASRC sync system overclocked\n");
193 if (val
[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS
)
194 dev_err(arizona
->dev
, "ASRC sync WARP overclocked\n");
195 if (val
[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS
)
196 dev_err(arizona
->dev
, "DSP1 overclocked\n");
197 if (val
[1] & ARIZONA_ISRC3_OVERCLOCKED_STS
)
198 dev_err(arizona
->dev
, "ISRC3 overclocked\n");
199 if (val
[1] & ARIZONA_ISRC2_OVERCLOCKED_STS
)
200 dev_err(arizona
->dev
, "ISRC2 overclocked\n");
201 if (val
[1] & ARIZONA_ISRC1_OVERCLOCKED_STS
)
202 dev_err(arizona
->dev
, "ISRC1 overclocked\n");
207 static int arizona_poll_reg(struct arizona
*arizona
,
208 int timeout
, unsigned int reg
,
209 unsigned int mask
, unsigned int target
)
211 unsigned int val
= 0;
214 for (i
= 0; i
< timeout
; i
++) {
215 ret
= regmap_read(arizona
->regmap
, reg
, &val
);
217 dev_err(arizona
->dev
, "Failed to read reg %u: %d\n",
222 if ((val
& mask
) == target
)
228 dev_err(arizona
->dev
, "Polling reg %u timed out: %x\n", reg
, val
);
232 static int arizona_wait_for_boot(struct arizona
*arizona
)
237 * We can't use an interrupt as we need to runtime resume to do so,
238 * we won't race with the interrupt handler as it'll be blocked on
241 ret
= arizona_poll_reg(arizona
, 5, ARIZONA_INTERRUPT_RAW_STATUS_5
,
242 ARIZONA_BOOT_DONE_STS
, ARIZONA_BOOT_DONE_STS
);
245 regmap_write(arizona
->regmap
, ARIZONA_INTERRUPT_STATUS_5
,
246 ARIZONA_BOOT_DONE_STS
);
248 pm_runtime_mark_last_busy(arizona
->dev
);
253 static int arizona_apply_hardware_patch(struct arizona
* arizona
)
255 unsigned int fll
, sysclk
;
258 /* Cache existing FLL and SYSCLK settings */
259 ret
= regmap_read(arizona
->regmap
, ARIZONA_FLL1_CONTROL_1
, &fll
);
261 dev_err(arizona
->dev
, "Failed to cache FLL settings: %d\n",
265 ret
= regmap_read(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, &sysclk
);
267 dev_err(arizona
->dev
, "Failed to cache SYSCLK settings: %d\n",
272 /* Start up SYSCLK using the FLL in free running mode */
273 ret
= regmap_write(arizona
->regmap
, ARIZONA_FLL1_CONTROL_1
,
274 ARIZONA_FLL1_ENA
| ARIZONA_FLL1_FREERUN
);
276 dev_err(arizona
->dev
,
277 "Failed to start FLL in freerunning mode: %d\n",
281 ret
= arizona_poll_reg(arizona
, 25, ARIZONA_INTERRUPT_RAW_STATUS_5
,
282 ARIZONA_FLL1_CLOCK_OK_STS
,
283 ARIZONA_FLL1_CLOCK_OK_STS
);
289 ret
= regmap_write(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, 0x0144);
291 dev_err(arizona
->dev
, "Failed to start SYSCLK: %d\n", ret
);
295 /* Start the write sequencer and wait for it to finish */
296 ret
= regmap_write(arizona
->regmap
, ARIZONA_WRITE_SEQUENCER_CTRL_0
,
297 ARIZONA_WSEQ_ENA
| ARIZONA_WSEQ_START
| 160);
299 dev_err(arizona
->dev
, "Failed to start write sequencer: %d\n",
303 ret
= arizona_poll_reg(arizona
, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1
,
304 ARIZONA_WSEQ_BUSY
, 0);
306 regmap_write(arizona
->regmap
, ARIZONA_WRITE_SEQUENCER_CTRL_0
,
312 err
= regmap_write(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, sysclk
);
314 dev_err(arizona
->dev
,
315 "Failed to re-apply old SYSCLK settings: %d\n",
320 err
= regmap_write(arizona
->regmap
, ARIZONA_FLL1_CONTROL_1
, fll
);
322 dev_err(arizona
->dev
,
323 "Failed to re-apply old FLL settings: %d\n",
333 #ifdef CONFIG_PM_RUNTIME
334 static int arizona_runtime_resume(struct device
*dev
)
336 struct arizona
*arizona
= dev_get_drvdata(dev
);
339 dev_dbg(arizona
->dev
, "Leaving AoD mode\n");
341 ret
= regulator_enable(arizona
->dcvdd
);
343 dev_err(arizona
->dev
, "Failed to enable DCVDD: %d\n", ret
);
347 regcache_cache_only(arizona
->regmap
, false);
349 switch (arizona
->type
) {
351 if (arizona
->external_dcvdd
) {
352 ret
= regmap_update_bits(arizona
->regmap
,
353 ARIZONA_ISOLATION_CONTROL
,
354 ARIZONA_ISOLATE_DCVDD1
, 0);
356 dev_err(arizona
->dev
,
357 "Failed to connect DCVDD: %d\n", ret
);
362 ret
= wm5102_patch(arizona
);
364 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
369 ret
= arizona_apply_hardware_patch(arizona
);
371 dev_err(arizona
->dev
,
372 "Failed to apply hardware patch: %d\n",
378 ret
= arizona_wait_for_boot(arizona
);
383 if (arizona
->external_dcvdd
) {
384 ret
= regmap_update_bits(arizona
->regmap
,
385 ARIZONA_ISOLATION_CONTROL
,
386 ARIZONA_ISOLATE_DCVDD1
, 0);
388 dev_err(arizona
->dev
,
389 "Failed to connect DCVDD: %d\n", ret
);
396 switch (arizona
->type
) {
398 ret
= wm5102_patch(arizona
);
400 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
408 ret
= regcache_sync(arizona
->regmap
);
410 dev_err(arizona
->dev
, "Failed to restore register cache\n");
417 regcache_cache_only(arizona
->regmap
, true);
418 regulator_disable(arizona
->dcvdd
);
422 static int arizona_runtime_suspend(struct device
*dev
)
424 struct arizona
*arizona
= dev_get_drvdata(dev
);
427 dev_dbg(arizona
->dev
, "Entering AoD mode\n");
429 if (arizona
->external_dcvdd
) {
430 ret
= regmap_update_bits(arizona
->regmap
,
431 ARIZONA_ISOLATION_CONTROL
,
432 ARIZONA_ISOLATE_DCVDD1
,
433 ARIZONA_ISOLATE_DCVDD1
);
435 dev_err(arizona
->dev
, "Failed to isolate DCVDD: %d\n",
441 regcache_cache_only(arizona
->regmap
, true);
442 regcache_mark_dirty(arizona
->regmap
);
443 regulator_disable(arizona
->dcvdd
);
449 #ifdef CONFIG_PM_SLEEP
450 static int arizona_suspend(struct device
*dev
)
452 struct arizona
*arizona
= dev_get_drvdata(dev
);
454 dev_dbg(arizona
->dev
, "Suspend, disabling IRQ\n");
455 disable_irq(arizona
->irq
);
460 static int arizona_suspend_late(struct device
*dev
)
462 struct arizona
*arizona
= dev_get_drvdata(dev
);
464 dev_dbg(arizona
->dev
, "Late suspend, reenabling IRQ\n");
465 enable_irq(arizona
->irq
);
470 static int arizona_resume_noirq(struct device
*dev
)
472 struct arizona
*arizona
= dev_get_drvdata(dev
);
474 dev_dbg(arizona
->dev
, "Early resume, disabling IRQ\n");
475 disable_irq(arizona
->irq
);
480 static int arizona_resume(struct device
*dev
)
482 struct arizona
*arizona
= dev_get_drvdata(dev
);
484 dev_dbg(arizona
->dev
, "Late resume, reenabling IRQ\n");
485 enable_irq(arizona
->irq
);
491 const struct dev_pm_ops arizona_pm_ops
= {
492 SET_RUNTIME_PM_OPS(arizona_runtime_suspend
,
493 arizona_runtime_resume
,
495 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend
, arizona_resume
)
496 #ifdef CONFIG_PM_SLEEP
497 .suspend_late
= arizona_suspend_late
,
498 .resume_noirq
= arizona_resume_noirq
,
501 EXPORT_SYMBOL_GPL(arizona_pm_ops
);
504 unsigned long arizona_of_get_type(struct device
*dev
)
506 const struct of_device_id
*id
= of_match_device(arizona_of_match
, dev
);
509 return (unsigned long)id
->data
;
513 EXPORT_SYMBOL_GPL(arizona_of_get_type
);
515 int arizona_of_get_named_gpio(struct arizona
*arizona
, const char *prop
,
520 gpio
= of_get_named_gpio(arizona
->dev
->of_node
, prop
, 0);
523 dev_err(arizona
->dev
,
524 "Mandatory DT gpio %s missing/malformed: %d\n",
532 EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio
);
534 static int arizona_of_get_core_pdata(struct arizona
*arizona
)
536 struct arizona_pdata
*pdata
= &arizona
->pdata
;
539 pdata
->reset
= arizona_of_get_named_gpio(arizona
, "wlf,reset", true);
541 ret
= of_property_read_u32_array(arizona
->dev
->of_node
,
543 arizona
->pdata
.gpio_defaults
,
544 ARRAY_SIZE(arizona
->pdata
.gpio_defaults
));
547 * All values are literal except out of range values
548 * which are chip default, translate into platform
549 * data which uses 0 as chip default and out of range
552 for (i
= 0; i
< ARRAY_SIZE(arizona
->pdata
.gpio_defaults
); i
++) {
553 if (arizona
->pdata
.gpio_defaults
[i
] > 0xffff)
554 arizona
->pdata
.gpio_defaults
[i
] = 0;
555 else if (arizona
->pdata
.gpio_defaults
[i
] == 0)
556 arizona
->pdata
.gpio_defaults
[i
] = 0x10000;
559 dev_err(arizona
->dev
, "Failed to parse GPIO defaults: %d\n",
566 const struct of_device_id arizona_of_match
[] = {
567 { .compatible
= "wlf,wm5102", .data
= (void *)WM5102
},
568 { .compatible
= "wlf,wm5110", .data
= (void *)WM5110
},
569 { .compatible
= "wlf,wm8997", .data
= (void *)WM8997
},
572 EXPORT_SYMBOL_GPL(arizona_of_match
);
574 static inline int arizona_of_get_core_pdata(struct arizona
*arizona
)
580 static const struct mfd_cell early_devs
[] = {
581 { .name
= "arizona-ldo1" },
584 static const char *wm5102_supplies
[] = {
593 static const struct mfd_cell wm5102_devs
[] = {
594 { .name
= "arizona-micsupp" },
596 .name
= "arizona-extcon",
597 .parent_supplies
= wm5102_supplies
,
598 .num_parent_supplies
= 1, /* We only need MICVDD */
600 { .name
= "arizona-gpio" },
601 { .name
= "arizona-haptics" },
602 { .name
= "arizona-pwm" },
604 .name
= "wm5102-codec",
605 .parent_supplies
= wm5102_supplies
,
606 .num_parent_supplies
= ARRAY_SIZE(wm5102_supplies
),
610 static const struct mfd_cell wm5110_devs
[] = {
611 { .name
= "arizona-micsupp" },
613 .name
= "arizona-extcon",
614 .parent_supplies
= wm5102_supplies
,
615 .num_parent_supplies
= 1, /* We only need MICVDD */
617 { .name
= "arizona-gpio" },
618 { .name
= "arizona-haptics" },
619 { .name
= "arizona-pwm" },
621 .name
= "wm5110-codec",
622 .parent_supplies
= wm5102_supplies
,
623 .num_parent_supplies
= ARRAY_SIZE(wm5102_supplies
),
627 static const char *wm8997_supplies
[] = {
634 static const struct mfd_cell wm8997_devs
[] = {
635 { .name
= "arizona-micsupp" },
637 .name
= "arizona-extcon",
638 .parent_supplies
= wm8997_supplies
,
639 .num_parent_supplies
= 1, /* We only need MICVDD */
641 { .name
= "arizona-gpio" },
642 { .name
= "arizona-haptics" },
643 { .name
= "arizona-pwm" },
645 .name
= "wm8997-codec",
646 .parent_supplies
= wm8997_supplies
,
647 .num_parent_supplies
= ARRAY_SIZE(wm8997_supplies
),
651 int arizona_dev_init(struct arizona
*arizona
)
653 struct device
*dev
= arizona
->dev
;
654 const char *type_name
;
655 unsigned int reg
, val
;
656 int (*apply_patch
)(struct arizona
*) = NULL
;
659 dev_set_drvdata(arizona
->dev
, arizona
);
660 mutex_init(&arizona
->clk_lock
);
662 if (dev_get_platdata(arizona
->dev
))
663 memcpy(&arizona
->pdata
, dev_get_platdata(arizona
->dev
),
664 sizeof(arizona
->pdata
));
666 arizona_of_get_core_pdata(arizona
);
668 regcache_cache_only(arizona
->regmap
, true);
670 switch (arizona
->type
) {
674 for (i
= 0; i
< ARRAY_SIZE(wm5102_core_supplies
); i
++)
675 arizona
->core_supplies
[i
].supply
676 = wm5102_core_supplies
[i
];
677 arizona
->num_core_supplies
= ARRAY_SIZE(wm5102_core_supplies
);
680 dev_err(arizona
->dev
, "Unknown device type %d\n",
685 /* Mark DCVDD as external, LDO1 driver will clear if internal */
686 arizona
->external_dcvdd
= true;
688 ret
= mfd_add_devices(arizona
->dev
, -1, early_devs
,
689 ARRAY_SIZE(early_devs
), NULL
, 0, NULL
);
691 dev_err(dev
, "Failed to add early children: %d\n", ret
);
695 ret
= devm_regulator_bulk_get(dev
, arizona
->num_core_supplies
,
696 arizona
->core_supplies
);
698 dev_err(dev
, "Failed to request core supplies: %d\n",
704 * Don't use devres here because the only device we have to get
705 * against is the MFD device and DCVDD will likely be supplied by
706 * one of its children. Meaning that the regulator will be
707 * destroyed by the time devres calls regulator put.
709 arizona
->dcvdd
= regulator_get(arizona
->dev
, "DCVDD");
710 if (IS_ERR(arizona
->dcvdd
)) {
711 ret
= PTR_ERR(arizona
->dcvdd
);
712 dev_err(dev
, "Failed to request DCVDD: %d\n", ret
);
716 if (arizona
->pdata
.reset
) {
717 /* Start out with /RESET low to put the chip into reset */
718 ret
= gpio_request_one(arizona
->pdata
.reset
,
719 GPIOF_DIR_OUT
| GPIOF_INIT_LOW
,
722 dev_err(dev
, "Failed to request /RESET: %d\n", ret
);
727 ret
= regulator_bulk_enable(arizona
->num_core_supplies
,
728 arizona
->core_supplies
);
730 dev_err(dev
, "Failed to enable core supplies: %d\n",
735 ret
= regulator_enable(arizona
->dcvdd
);
737 dev_err(dev
, "Failed to enable DCVDD: %d\n", ret
);
741 if (arizona
->pdata
.reset
) {
742 gpio_set_value_cansleep(arizona
->pdata
.reset
, 1);
746 regcache_cache_only(arizona
->regmap
, false);
748 /* Verify that this is a chip we know about */
749 ret
= regmap_read(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, ®
);
751 dev_err(dev
, "Failed to read ID register: %d\n", ret
);
761 dev_err(arizona
->dev
, "Unknown device ID: %x\n", reg
);
765 /* If we have a /RESET GPIO we'll already be reset */
766 if (!arizona
->pdata
.reset
) {
767 regcache_mark_dirty(arizona
->regmap
);
769 ret
= regmap_write(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, 0);
771 dev_err(dev
, "Failed to reset device: %d\n", ret
);
777 ret
= regcache_sync(arizona
->regmap
);
779 dev_err(dev
, "Failed to sync device: %d\n", ret
);
784 /* Ensure device startup is complete */
785 switch (arizona
->type
) {
787 ret
= regmap_read(arizona
->regmap
, 0x19, &val
);
790 "Failed to check write sequencer state: %d\n",
796 ret
= arizona_wait_for_boot(arizona
);
798 dev_err(arizona
->dev
,
799 "Device failed initial boot: %d\n", ret
);
805 /* Read the device ID information & do device specific stuff */
806 ret
= regmap_read(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, ®
);
808 dev_err(dev
, "Failed to read ID register: %d\n", ret
);
812 ret
= regmap_read(arizona
->regmap
, ARIZONA_DEVICE_REVISION
,
815 dev_err(dev
, "Failed to read revision register: %d\n", ret
);
818 arizona
->rev
&= ARIZONA_DEVICE_REVISION_MASK
;
821 #ifdef CONFIG_MFD_WM5102
823 type_name
= "WM5102";
824 if (arizona
->type
!= WM5102
) {
825 dev_err(arizona
->dev
, "WM5102 registered as %d\n",
827 arizona
->type
= WM5102
;
829 apply_patch
= wm5102_patch
;
833 #ifdef CONFIG_MFD_WM5110
835 type_name
= "WM5110";
836 if (arizona
->type
!= WM5110
) {
837 dev_err(arizona
->dev
, "WM5110 registered as %d\n",
839 arizona
->type
= WM5110
;
841 apply_patch
= wm5110_patch
;
844 #ifdef CONFIG_MFD_WM8997
846 type_name
= "WM8997";
847 if (arizona
->type
!= WM8997
) {
848 dev_err(arizona
->dev
, "WM8997 registered as %d\n",
850 arizona
->type
= WM8997
;
852 apply_patch
= wm8997_patch
;
856 dev_err(arizona
->dev
, "Unknown device ID %x\n", reg
);
860 dev_info(dev
, "%s revision %c\n", type_name
, arizona
->rev
+ 'A');
863 ret
= apply_patch(arizona
);
865 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
870 switch (arizona
->type
) {
872 ret
= arizona_apply_hardware_patch(arizona
);
874 dev_err(arizona
->dev
,
875 "Failed to apply hardware patch: %d\n",
885 for (i
= 0; i
< ARRAY_SIZE(arizona
->pdata
.gpio_defaults
); i
++) {
886 if (!arizona
->pdata
.gpio_defaults
[i
])
889 regmap_write(arizona
->regmap
, ARIZONA_GPIO1_CTRL
+ i
,
890 arizona
->pdata
.gpio_defaults
[i
]);
893 pm_runtime_set_autosuspend_delay(arizona
->dev
, 100);
894 pm_runtime_use_autosuspend(arizona
->dev
);
895 pm_runtime_enable(arizona
->dev
);
898 if (!arizona
->pdata
.clk32k_src
)
899 arizona
->pdata
.clk32k_src
= ARIZONA_32KZ_MCLK2
;
901 switch (arizona
->pdata
.clk32k_src
) {
902 case ARIZONA_32KZ_MCLK1
:
903 case ARIZONA_32KZ_MCLK2
:
904 regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
905 ARIZONA_CLK_32K_SRC_MASK
,
906 arizona
->pdata
.clk32k_src
- 1);
907 arizona_clk32k_enable(arizona
);
909 case ARIZONA_32KZ_NONE
:
910 regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
911 ARIZONA_CLK_32K_SRC_MASK
, 2);
914 dev_err(arizona
->dev
, "Invalid 32kHz clock source: %d\n",
915 arizona
->pdata
.clk32k_src
);
920 for (i
= 0; i
< ARIZONA_MAX_MICBIAS
; i
++) {
921 if (!arizona
->pdata
.micbias
[i
].mV
&&
922 !arizona
->pdata
.micbias
[i
].bypass
)
925 /* Apply default for bypass mode */
926 if (!arizona
->pdata
.micbias
[i
].mV
)
927 arizona
->pdata
.micbias
[i
].mV
= 2800;
929 val
= (arizona
->pdata
.micbias
[i
].mV
- 1500) / 100;
931 val
<<= ARIZONA_MICB1_LVL_SHIFT
;
933 if (arizona
->pdata
.micbias
[i
].ext_cap
)
934 val
|= ARIZONA_MICB1_EXT_CAP
;
936 if (arizona
->pdata
.micbias
[i
].discharge
)
937 val
|= ARIZONA_MICB1_DISCH
;
939 if (arizona
->pdata
.micbias
[i
].soft_start
)
940 val
|= ARIZONA_MICB1_RATE
;
942 if (arizona
->pdata
.micbias
[i
].bypass
)
943 val
|= ARIZONA_MICB1_BYPASS
;
945 regmap_update_bits(arizona
->regmap
,
946 ARIZONA_MIC_BIAS_CTRL_1
+ i
,
947 ARIZONA_MICB1_LVL_MASK
|
948 ARIZONA_MICB1_DISCH
|
949 ARIZONA_MICB1_BYPASS
|
950 ARIZONA_MICB1_RATE
, val
);
953 for (i
= 0; i
< ARIZONA_MAX_INPUT
; i
++) {
954 /* Default for both is 0 so noop with defaults */
955 val
= arizona
->pdata
.dmic_ref
[i
]
956 << ARIZONA_IN1_DMIC_SUP_SHIFT
;
957 val
|= arizona
->pdata
.inmode
[i
] << ARIZONA_IN1_MODE_SHIFT
;
959 regmap_update_bits(arizona
->regmap
,
960 ARIZONA_IN1L_CONTROL
+ (i
* 8),
961 ARIZONA_IN1_DMIC_SUP_MASK
|
962 ARIZONA_IN1_MODE_MASK
, val
);
965 for (i
= 0; i
< ARIZONA_MAX_OUTPUT
; i
++) {
966 /* Default is 0 so noop with defaults */
967 if (arizona
->pdata
.out_mono
[i
])
968 val
= ARIZONA_OUT1_MONO
;
972 regmap_update_bits(arizona
->regmap
,
973 ARIZONA_OUTPUT_PATH_CONFIG_1L
+ (i
* 8),
974 ARIZONA_OUT1_MONO
, val
);
977 for (i
= 0; i
< ARIZONA_MAX_PDM_SPK
; i
++) {
978 if (arizona
->pdata
.spk_mute
[i
])
979 regmap_update_bits(arizona
->regmap
,
980 ARIZONA_PDM_SPK1_CTRL_1
+ (i
* 2),
981 ARIZONA_SPK1_MUTE_ENDIAN_MASK
|
982 ARIZONA_SPK1_MUTE_SEQ1_MASK
,
983 arizona
->pdata
.spk_mute
[i
]);
985 if (arizona
->pdata
.spk_fmt
[i
])
986 regmap_update_bits(arizona
->regmap
,
987 ARIZONA_PDM_SPK1_CTRL_2
+ (i
* 2),
988 ARIZONA_SPK1_FMT_MASK
,
989 arizona
->pdata
.spk_fmt
[i
]);
992 /* Set up for interrupts */
993 ret
= arizona_irq_init(arizona
);
997 arizona_request_irq(arizona
, ARIZONA_IRQ_CLKGEN_ERR
, "CLKGEN error",
998 arizona_clkgen_err
, arizona
);
999 arizona_request_irq(arizona
, ARIZONA_IRQ_OVERCLOCKED
, "Overclocked",
1000 arizona_overclocked
, arizona
);
1001 arizona_request_irq(arizona
, ARIZONA_IRQ_UNDERCLOCKED
, "Underclocked",
1002 arizona_underclocked
, arizona
);
1004 switch (arizona
->type
) {
1006 ret
= mfd_add_devices(arizona
->dev
, -1, wm5102_devs
,
1007 ARRAY_SIZE(wm5102_devs
), NULL
, 0, NULL
);
1010 ret
= mfd_add_devices(arizona
->dev
, -1, wm5110_devs
,
1011 ARRAY_SIZE(wm5110_devs
), NULL
, 0, NULL
);
1014 ret
= mfd_add_devices(arizona
->dev
, -1, wm8997_devs
,
1015 ARRAY_SIZE(wm8997_devs
), NULL
, 0, NULL
);
1020 dev_err(arizona
->dev
, "Failed to add subdevices: %d\n", ret
);
1024 #ifdef CONFIG_PM_RUNTIME
1025 regulator_disable(arizona
->dcvdd
);
1031 arizona_irq_exit(arizona
);
1033 if (arizona
->pdata
.reset
) {
1034 gpio_set_value_cansleep(arizona
->pdata
.reset
, 0);
1035 gpio_free(arizona
->pdata
.reset
);
1037 regulator_disable(arizona
->dcvdd
);
1039 regulator_bulk_disable(arizona
->num_core_supplies
,
1040 arizona
->core_supplies
);
1042 regulator_put(arizona
->dcvdd
);
1044 mfd_remove_devices(dev
);
1047 EXPORT_SYMBOL_GPL(arizona_dev_init
);
1049 int arizona_dev_exit(struct arizona
*arizona
)
1051 pm_runtime_disable(arizona
->dev
);
1053 regulator_disable(arizona
->dcvdd
);
1054 regulator_put(arizona
->dcvdd
);
1056 mfd_remove_devices(arizona
->dev
);
1057 arizona_free_irq(arizona
, ARIZONA_IRQ_UNDERCLOCKED
, arizona
);
1058 arizona_free_irq(arizona
, ARIZONA_IRQ_OVERCLOCKED
, arizona
);
1059 arizona_free_irq(arizona
, ARIZONA_IRQ_CLKGEN_ERR
, arizona
);
1060 arizona_irq_exit(arizona
);
1061 if (arizona
->pdata
.reset
)
1062 gpio_set_value_cansleep(arizona
->pdata
.reset
, 0);
1064 regulator_bulk_disable(arizona
->num_core_supplies
,
1065 arizona
->core_supplies
);
1068 EXPORT_SYMBOL_GPL(arizona_dev_exit
);