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_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
)
139 dev_err(arizona
->dev
, "Mixer dropped sample\n");
144 static irqreturn_t
arizona_overclocked(int irq
, void *data
)
146 struct arizona
*arizona
= data
;
150 ret
= regmap_bulk_read(arizona
->regmap
, ARIZONA_INTERRUPT_RAW_STATUS_6
,
153 dev_err(arizona
->dev
, "Failed to read overclock status: %d\n",
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");
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");
203 static int arizona_poll_reg(struct arizona
*arizona
,
204 int timeout
, unsigned int reg
,
205 unsigned int mask
, unsigned int target
)
207 unsigned int val
= 0;
210 for (i
= 0; i
< timeout
; i
++) {
211 ret
= regmap_read(arizona
->regmap
, reg
, &val
);
213 dev_err(arizona
->dev
, "Failed to read reg %u: %d\n",
218 if ((val
& mask
) == target
)
224 dev_err(arizona
->dev
, "Polling reg %u timed out: %x\n", reg
, val
);
228 static int arizona_wait_for_boot(struct arizona
*arizona
)
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
237 ret
= arizona_poll_reg(arizona
, 5, ARIZONA_INTERRUPT_RAW_STATUS_5
,
238 ARIZONA_BOOT_DONE_STS
, ARIZONA_BOOT_DONE_STS
);
241 regmap_write(arizona
->regmap
, ARIZONA_INTERRUPT_STATUS_5
,
242 ARIZONA_BOOT_DONE_STS
);
244 pm_runtime_mark_last_busy(arizona
->dev
);
249 static int arizona_apply_hardware_patch(struct arizona
* arizona
)
251 unsigned int fll
, sysclk
;
254 /* Cache existing FLL and SYSCLK settings */
255 ret
= regmap_read(arizona
->regmap
, ARIZONA_FLL1_CONTROL_1
, &fll
);
257 dev_err(arizona
->dev
, "Failed to cache FLL settings: %d\n",
261 ret
= regmap_read(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, &sysclk
);
263 dev_err(arizona
->dev
, "Failed to cache SYSCLK settings: %d\n",
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
);
272 dev_err(arizona
->dev
,
273 "Failed to start FLL in freerunning mode: %d\n",
277 ret
= arizona_poll_reg(arizona
, 25, ARIZONA_INTERRUPT_RAW_STATUS_5
,
278 ARIZONA_FLL1_CLOCK_OK_STS
,
279 ARIZONA_FLL1_CLOCK_OK_STS
);
285 ret
= regmap_write(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, 0x0144);
287 dev_err(arizona
->dev
, "Failed to start SYSCLK: %d\n", ret
);
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);
295 dev_err(arizona
->dev
, "Failed to start write sequencer: %d\n",
299 ret
= arizona_poll_reg(arizona
, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1
,
300 ARIZONA_WSEQ_BUSY
, 0);
302 regmap_write(arizona
->regmap
, ARIZONA_WRITE_SEQUENCER_CTRL_0
,
308 err
= regmap_write(arizona
->regmap
, ARIZONA_SYSTEM_CLOCK_1
, sysclk
);
310 dev_err(arizona
->dev
,
311 "Failed to re-apply old SYSCLK settings: %d\n",
316 err
= regmap_write(arizona
->regmap
, ARIZONA_FLL1_CONTROL_1
, fll
);
318 dev_err(arizona
->dev
,
319 "Failed to re-apply old FLL settings: %d\n",
329 #ifdef CONFIG_PM_RUNTIME
330 static int arizona_runtime_resume(struct device
*dev
)
332 struct arizona
*arizona
= dev_get_drvdata(dev
);
335 dev_dbg(arizona
->dev
, "Leaving AoD mode\n");
337 ret
= regulator_enable(arizona
->dcvdd
);
339 dev_err(arizona
->dev
, "Failed to enable DCVDD: %d\n", ret
);
343 regcache_cache_only(arizona
->regmap
, false);
345 switch (arizona
->type
) {
347 if (arizona
->external_dcvdd
) {
348 ret
= regmap_update_bits(arizona
->regmap
,
349 ARIZONA_ISOLATION_CONTROL
,
350 ARIZONA_ISOLATE_DCVDD1
, 0);
352 dev_err(arizona
->dev
,
353 "Failed to connect DCVDD: %d\n", ret
);
358 ret
= wm5102_patch(arizona
);
360 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
365 ret
= arizona_apply_hardware_patch(arizona
);
367 dev_err(arizona
->dev
,
368 "Failed to apply hardware patch: %d\n",
374 ret
= arizona_wait_for_boot(arizona
);
379 if (arizona
->external_dcvdd
) {
380 ret
= regmap_update_bits(arizona
->regmap
,
381 ARIZONA_ISOLATION_CONTROL
,
382 ARIZONA_ISOLATE_DCVDD1
, 0);
384 dev_err(arizona
->dev
,
385 "Failed to connect DCVDD: %d\n", ret
);
392 switch (arizona
->type
) {
394 ret
= wm5102_patch(arizona
);
396 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
404 ret
= regcache_sync(arizona
->regmap
);
406 dev_err(arizona
->dev
, "Failed to restore register cache\n");
413 regcache_cache_only(arizona
->regmap
, true);
414 regulator_disable(arizona
->dcvdd
);
418 static int arizona_runtime_suspend(struct device
*dev
)
420 struct arizona
*arizona
= dev_get_drvdata(dev
);
423 dev_dbg(arizona
->dev
, "Entering AoD mode\n");
425 if (arizona
->external_dcvdd
) {
426 ret
= regmap_update_bits(arizona
->regmap
,
427 ARIZONA_ISOLATION_CONTROL
,
428 ARIZONA_ISOLATE_DCVDD1
,
429 ARIZONA_ISOLATE_DCVDD1
);
431 dev_err(arizona
->dev
, "Failed to isolate DCVDD: %d\n",
437 regcache_cache_only(arizona
->regmap
, true);
438 regcache_mark_dirty(arizona
->regmap
);
439 regulator_disable(arizona
->dcvdd
);
445 #ifdef CONFIG_PM_SLEEP
446 static int arizona_suspend(struct device
*dev
)
448 struct arizona
*arizona
= dev_get_drvdata(dev
);
450 dev_dbg(arizona
->dev
, "Suspend, disabling IRQ\n");
451 disable_irq(arizona
->irq
);
456 static int arizona_suspend_late(struct device
*dev
)
458 struct arizona
*arizona
= dev_get_drvdata(dev
);
460 dev_dbg(arizona
->dev
, "Late suspend, reenabling IRQ\n");
461 enable_irq(arizona
->irq
);
466 static int arizona_resume_noirq(struct device
*dev
)
468 struct arizona
*arizona
= dev_get_drvdata(dev
);
470 dev_dbg(arizona
->dev
, "Early resume, disabling IRQ\n");
471 disable_irq(arizona
->irq
);
476 static int arizona_resume(struct device
*dev
)
478 struct arizona
*arizona
= dev_get_drvdata(dev
);
480 dev_dbg(arizona
->dev
, "Late resume, reenabling IRQ\n");
481 enable_irq(arizona
->irq
);
487 const struct dev_pm_ops arizona_pm_ops
= {
488 SET_RUNTIME_PM_OPS(arizona_runtime_suspend
,
489 arizona_runtime_resume
,
491 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend
, arizona_resume
)
492 #ifdef CONFIG_PM_SLEEP
493 .suspend_late
= arizona_suspend_late
,
494 .resume_noirq
= arizona_resume_noirq
,
497 EXPORT_SYMBOL_GPL(arizona_pm_ops
);
500 int arizona_of_get_type(struct device
*dev
)
502 const struct of_device_id
*id
= of_match_device(arizona_of_match
, dev
);
505 return (int)id
->data
;
509 EXPORT_SYMBOL_GPL(arizona_of_get_type
);
511 static int arizona_of_get_core_pdata(struct arizona
*arizona
)
515 arizona
->pdata
.reset
= of_get_named_gpio(arizona
->dev
->of_node
,
517 if (arizona
->pdata
.reset
< 0)
518 arizona
->pdata
.reset
= 0;
520 arizona
->pdata
.ldoena
= of_get_named_gpio(arizona
->dev
->of_node
,
522 if (arizona
->pdata
.ldoena
< 0)
523 arizona
->pdata
.ldoena
= 0;
525 ret
= of_property_read_u32_array(arizona
->dev
->of_node
,
527 arizona
->pdata
.gpio_defaults
,
528 ARRAY_SIZE(arizona
->pdata
.gpio_defaults
));
531 * All values are literal except out of range values
532 * which are chip default, translate into platform
533 * data which uses 0 as chip default and out of range
536 for (i
= 0; i
< ARRAY_SIZE(arizona
->pdata
.gpio_defaults
); i
++) {
537 if (arizona
->pdata
.gpio_defaults
[i
] > 0xffff)
538 arizona
->pdata
.gpio_defaults
[i
] = 0;
539 else if (arizona
->pdata
.gpio_defaults
[i
] == 0)
540 arizona
->pdata
.gpio_defaults
[i
] = 0x10000;
543 dev_err(arizona
->dev
, "Failed to parse GPIO defaults: %d\n",
550 const struct of_device_id arizona_of_match
[] = {
551 { .compatible
= "wlf,wm5102", .data
= (void *)WM5102
},
552 { .compatible
= "wlf,wm5110", .data
= (void *)WM5110
},
553 { .compatible
= "wlf,wm8997", .data
= (void *)WM8997
},
556 EXPORT_SYMBOL_GPL(arizona_of_match
);
558 static inline int arizona_of_get_core_pdata(struct arizona
*arizona
)
564 static const struct mfd_cell early_devs
[] = {
565 { .name
= "arizona-ldo1" },
568 static const char *wm5102_supplies
[] = {
576 static const struct mfd_cell wm5102_devs
[] = {
577 { .name
= "arizona-micsupp" },
578 { .name
= "arizona-extcon" },
579 { .name
= "arizona-gpio" },
580 { .name
= "arizona-haptics" },
581 { .name
= "arizona-pwm" },
583 .name
= "wm5102-codec",
584 .parent_supplies
= wm5102_supplies
,
585 .num_parent_supplies
= ARRAY_SIZE(wm5102_supplies
),
589 static const struct mfd_cell wm5110_devs
[] = {
590 { .name
= "arizona-micsupp" },
591 { .name
= "arizona-extcon" },
592 { .name
= "arizona-gpio" },
593 { .name
= "arizona-haptics" },
594 { .name
= "arizona-pwm" },
596 .name
= "wm5110-codec",
597 .parent_supplies
= wm5102_supplies
,
598 .num_parent_supplies
= ARRAY_SIZE(wm5102_supplies
),
602 static const char *wm8997_supplies
[] = {
608 static const struct mfd_cell wm8997_devs
[] = {
609 { .name
= "arizona-micsupp" },
610 { .name
= "arizona-extcon" },
611 { .name
= "arizona-gpio" },
612 { .name
= "arizona-haptics" },
613 { .name
= "arizona-pwm" },
615 .name
= "wm8997-codec",
616 .parent_supplies
= wm8997_supplies
,
617 .num_parent_supplies
= ARRAY_SIZE(wm8997_supplies
),
621 int arizona_dev_init(struct arizona
*arizona
)
623 struct device
*dev
= arizona
->dev
;
624 const char *type_name
;
625 unsigned int reg
, val
;
626 int (*apply_patch
)(struct arizona
*) = NULL
;
629 dev_set_drvdata(arizona
->dev
, arizona
);
630 mutex_init(&arizona
->clk_lock
);
632 if (dev_get_platdata(arizona
->dev
))
633 memcpy(&arizona
->pdata
, dev_get_platdata(arizona
->dev
),
634 sizeof(arizona
->pdata
));
636 arizona_of_get_core_pdata(arizona
);
638 regcache_cache_only(arizona
->regmap
, true);
640 switch (arizona
->type
) {
644 for (i
= 0; i
< ARRAY_SIZE(wm5102_core_supplies
); i
++)
645 arizona
->core_supplies
[i
].supply
646 = wm5102_core_supplies
[i
];
647 arizona
->num_core_supplies
= ARRAY_SIZE(wm5102_core_supplies
);
650 dev_err(arizona
->dev
, "Unknown device type %d\n",
655 ret
= mfd_add_devices(arizona
->dev
, -1, early_devs
,
656 ARRAY_SIZE(early_devs
), NULL
, 0, NULL
);
658 dev_err(dev
, "Failed to add early children: %d\n", ret
);
662 ret
= devm_regulator_bulk_get(dev
, arizona
->num_core_supplies
,
663 arizona
->core_supplies
);
665 dev_err(dev
, "Failed to request core supplies: %d\n",
670 arizona
->dcvdd
= devm_regulator_get(arizona
->dev
, "DCVDD");
671 if (IS_ERR(arizona
->dcvdd
)) {
672 ret
= PTR_ERR(arizona
->dcvdd
);
673 dev_err(dev
, "Failed to request DCVDD: %d\n", ret
);
677 if (arizona
->pdata
.reset
) {
678 /* Start out with /RESET low to put the chip into reset */
679 ret
= gpio_request_one(arizona
->pdata
.reset
,
680 GPIOF_DIR_OUT
| GPIOF_INIT_LOW
,
683 dev_err(dev
, "Failed to request /RESET: %d\n", ret
);
688 ret
= regulator_bulk_enable(arizona
->num_core_supplies
,
689 arizona
->core_supplies
);
691 dev_err(dev
, "Failed to enable core supplies: %d\n",
696 ret
= regulator_enable(arizona
->dcvdd
);
698 dev_err(dev
, "Failed to enable DCVDD: %d\n", ret
);
702 if (arizona
->pdata
.reset
) {
703 gpio_set_value_cansleep(arizona
->pdata
.reset
, 1);
707 regcache_cache_only(arizona
->regmap
, false);
709 /* Verify that this is a chip we know about */
710 ret
= regmap_read(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, ®
);
712 dev_err(dev
, "Failed to read ID register: %d\n", ret
);
722 dev_err(arizona
->dev
, "Unknown device ID: %x\n", reg
);
726 /* If we have a /RESET GPIO we'll already be reset */
727 if (!arizona
->pdata
.reset
) {
728 regcache_mark_dirty(arizona
->regmap
);
730 ret
= regmap_write(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, 0);
732 dev_err(dev
, "Failed to reset device: %d\n", ret
);
738 ret
= regcache_sync(arizona
->regmap
);
740 dev_err(dev
, "Failed to sync device: %d\n", ret
);
745 /* Ensure device startup is complete */
746 switch (arizona
->type
) {
748 ret
= regmap_read(arizona
->regmap
, 0x19, &val
);
751 "Failed to check write sequencer state: %d\n",
757 ret
= arizona_wait_for_boot(arizona
);
759 dev_err(arizona
->dev
,
760 "Device failed initial boot: %d\n", ret
);
766 /* Read the device ID information & do device specific stuff */
767 ret
= regmap_read(arizona
->regmap
, ARIZONA_SOFTWARE_RESET
, ®
);
769 dev_err(dev
, "Failed to read ID register: %d\n", ret
);
773 ret
= regmap_read(arizona
->regmap
, ARIZONA_DEVICE_REVISION
,
776 dev_err(dev
, "Failed to read revision register: %d\n", ret
);
779 arizona
->rev
&= ARIZONA_DEVICE_REVISION_MASK
;
782 #ifdef CONFIG_MFD_WM5102
784 type_name
= "WM5102";
785 if (arizona
->type
!= WM5102
) {
786 dev_err(arizona
->dev
, "WM5102 registered as %d\n",
788 arizona
->type
= WM5102
;
790 apply_patch
= wm5102_patch
;
794 #ifdef CONFIG_MFD_WM5110
796 type_name
= "WM5110";
797 if (arizona
->type
!= WM5110
) {
798 dev_err(arizona
->dev
, "WM5110 registered as %d\n",
800 arizona
->type
= WM5110
;
802 apply_patch
= wm5110_patch
;
805 #ifdef CONFIG_MFD_WM8997
807 type_name
= "WM8997";
808 if (arizona
->type
!= WM8997
) {
809 dev_err(arizona
->dev
, "WM8997 registered as %d\n",
811 arizona
->type
= WM8997
;
813 apply_patch
= wm8997_patch
;
817 dev_err(arizona
->dev
, "Unknown device ID %x\n", reg
);
821 dev_info(dev
, "%s revision %c\n", type_name
, arizona
->rev
+ 'A');
824 ret
= apply_patch(arizona
);
826 dev_err(arizona
->dev
, "Failed to apply patch: %d\n",
831 switch (arizona
->type
) {
833 ret
= arizona_apply_hardware_patch(arizona
);
835 dev_err(arizona
->dev
,
836 "Failed to apply hardware patch: %d\n",
846 for (i
= 0; i
< ARRAY_SIZE(arizona
->pdata
.gpio_defaults
); i
++) {
847 if (!arizona
->pdata
.gpio_defaults
[i
])
850 regmap_write(arizona
->regmap
, ARIZONA_GPIO1_CTRL
+ i
,
851 arizona
->pdata
.gpio_defaults
[i
]);
855 * LDO1 can only be used to supply DCVDD so if it has no
856 * consumers then DCVDD is supplied externally.
858 if (arizona
->pdata
.ldo1
&&
859 arizona
->pdata
.ldo1
->num_consumer_supplies
== 0)
860 arizona
->external_dcvdd
= true;
862 pm_runtime_set_autosuspend_delay(arizona
->dev
, 100);
863 pm_runtime_use_autosuspend(arizona
->dev
);
864 pm_runtime_enable(arizona
->dev
);
867 if (!arizona
->pdata
.clk32k_src
)
868 arizona
->pdata
.clk32k_src
= ARIZONA_32KZ_MCLK2
;
870 switch (arizona
->pdata
.clk32k_src
) {
871 case ARIZONA_32KZ_MCLK1
:
872 case ARIZONA_32KZ_MCLK2
:
873 regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
874 ARIZONA_CLK_32K_SRC_MASK
,
875 arizona
->pdata
.clk32k_src
- 1);
876 arizona_clk32k_enable(arizona
);
878 case ARIZONA_32KZ_NONE
:
879 regmap_update_bits(arizona
->regmap
, ARIZONA_CLOCK_32K_1
,
880 ARIZONA_CLK_32K_SRC_MASK
, 2);
883 dev_err(arizona
->dev
, "Invalid 32kHz clock source: %d\n",
884 arizona
->pdata
.clk32k_src
);
889 for (i
= 0; i
< ARIZONA_MAX_MICBIAS
; i
++) {
890 if (!arizona
->pdata
.micbias
[i
].mV
&&
891 !arizona
->pdata
.micbias
[i
].bypass
)
894 /* Apply default for bypass mode */
895 if (!arizona
->pdata
.micbias
[i
].mV
)
896 arizona
->pdata
.micbias
[i
].mV
= 2800;
898 val
= (arizona
->pdata
.micbias
[i
].mV
- 1500) / 100;
900 val
<<= ARIZONA_MICB1_LVL_SHIFT
;
902 if (arizona
->pdata
.micbias
[i
].ext_cap
)
903 val
|= ARIZONA_MICB1_EXT_CAP
;
905 if (arizona
->pdata
.micbias
[i
].discharge
)
906 val
|= ARIZONA_MICB1_DISCH
;
908 if (arizona
->pdata
.micbias
[i
].soft_start
)
909 val
|= ARIZONA_MICB1_RATE
;
911 if (arizona
->pdata
.micbias
[i
].bypass
)
912 val
|= ARIZONA_MICB1_BYPASS
;
914 regmap_update_bits(arizona
->regmap
,
915 ARIZONA_MIC_BIAS_CTRL_1
+ i
,
916 ARIZONA_MICB1_LVL_MASK
|
917 ARIZONA_MICB1_DISCH
|
918 ARIZONA_MICB1_BYPASS
|
919 ARIZONA_MICB1_RATE
, val
);
922 for (i
= 0; i
< ARIZONA_MAX_INPUT
; i
++) {
923 /* Default for both is 0 so noop with defaults */
924 val
= arizona
->pdata
.dmic_ref
[i
]
925 << ARIZONA_IN1_DMIC_SUP_SHIFT
;
926 val
|= arizona
->pdata
.inmode
[i
] << ARIZONA_IN1_MODE_SHIFT
;
928 regmap_update_bits(arizona
->regmap
,
929 ARIZONA_IN1L_CONTROL
+ (i
* 8),
930 ARIZONA_IN1_DMIC_SUP_MASK
|
931 ARIZONA_IN1_MODE_MASK
, val
);
934 for (i
= 0; i
< ARIZONA_MAX_OUTPUT
; i
++) {
935 /* Default is 0 so noop with defaults */
936 if (arizona
->pdata
.out_mono
[i
])
937 val
= ARIZONA_OUT1_MONO
;
941 regmap_update_bits(arizona
->regmap
,
942 ARIZONA_OUTPUT_PATH_CONFIG_1L
+ (i
* 8),
943 ARIZONA_OUT1_MONO
, val
);
946 for (i
= 0; i
< ARIZONA_MAX_PDM_SPK
; i
++) {
947 if (arizona
->pdata
.spk_mute
[i
])
948 regmap_update_bits(arizona
->regmap
,
949 ARIZONA_PDM_SPK1_CTRL_1
+ (i
* 2),
950 ARIZONA_SPK1_MUTE_ENDIAN_MASK
|
951 ARIZONA_SPK1_MUTE_SEQ1_MASK
,
952 arizona
->pdata
.spk_mute
[i
]);
954 if (arizona
->pdata
.spk_fmt
[i
])
955 regmap_update_bits(arizona
->regmap
,
956 ARIZONA_PDM_SPK1_CTRL_2
+ (i
* 2),
957 ARIZONA_SPK1_FMT_MASK
,
958 arizona
->pdata
.spk_fmt
[i
]);
961 /* Set up for interrupts */
962 ret
= arizona_irq_init(arizona
);
966 arizona_request_irq(arizona
, ARIZONA_IRQ_CLKGEN_ERR
, "CLKGEN error",
967 arizona_clkgen_err
, arizona
);
968 arizona_request_irq(arizona
, ARIZONA_IRQ_OVERCLOCKED
, "Overclocked",
969 arizona_overclocked
, arizona
);
970 arizona_request_irq(arizona
, ARIZONA_IRQ_UNDERCLOCKED
, "Underclocked",
971 arizona_underclocked
, arizona
);
973 switch (arizona
->type
) {
975 ret
= mfd_add_devices(arizona
->dev
, -1, wm5102_devs
,
976 ARRAY_SIZE(wm5102_devs
), NULL
, 0, NULL
);
979 ret
= mfd_add_devices(arizona
->dev
, -1, wm5110_devs
,
980 ARRAY_SIZE(wm5110_devs
), NULL
, 0, NULL
);
983 ret
= mfd_add_devices(arizona
->dev
, -1, wm8997_devs
,
984 ARRAY_SIZE(wm8997_devs
), NULL
, 0, NULL
);
989 dev_err(arizona
->dev
, "Failed to add subdevices: %d\n", ret
);
993 #ifdef CONFIG_PM_RUNTIME
994 regulator_disable(arizona
->dcvdd
);
1000 arizona_irq_exit(arizona
);
1002 if (arizona
->pdata
.reset
) {
1003 gpio_set_value_cansleep(arizona
->pdata
.reset
, 0);
1004 gpio_free(arizona
->pdata
.reset
);
1006 regulator_disable(arizona
->dcvdd
);
1008 regulator_bulk_disable(arizona
->num_core_supplies
,
1009 arizona
->core_supplies
);
1011 mfd_remove_devices(dev
);
1014 EXPORT_SYMBOL_GPL(arizona_dev_init
);
1016 int arizona_dev_exit(struct arizona
*arizona
)
1018 mfd_remove_devices(arizona
->dev
);
1019 arizona_free_irq(arizona
, ARIZONA_IRQ_UNDERCLOCKED
, arizona
);
1020 arizona_free_irq(arizona
, ARIZONA_IRQ_OVERCLOCKED
, arizona
);
1021 arizona_free_irq(arizona
, ARIZONA_IRQ_CLKGEN_ERR
, arizona
);
1022 pm_runtime_disable(arizona
->dev
);
1023 arizona_irq_exit(arizona
);
1024 if (arizona
->pdata
.reset
)
1025 gpio_set_value_cansleep(arizona
->pdata
.reset
, 0);
1026 regulator_disable(arizona
->dcvdd
);
1027 regulator_bulk_disable(ARRAY_SIZE(arizona
->core_supplies
),
1028 arizona
->core_supplies
);
1031 EXPORT_SYMBOL_GPL(arizona_dev_exit
);