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",
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 ret = regcache_sync(arizona->regmap);
398 dev_err(arizona->dev, "Failed to restore register cache\n");
405 regcache_cache_only(arizona->regmap, true);
406 regulator_disable(arizona->dcvdd);
410 static int arizona_runtime_suspend(struct device *dev)
412 struct arizona *arizona = dev_get_drvdata(dev);
415 dev_dbg(arizona->dev, "Entering AoD mode\n");
417 if (arizona->external_dcvdd) {
418 ret = regmap_update_bits(arizona->regmap,
419 ARIZONA_ISOLATION_CONTROL,
420 ARIZONA_ISOLATE_DCVDD1,
421 ARIZONA_ISOLATE_DCVDD1);
423 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n",
429 regcache_cache_only(arizona->regmap, true);
430 regcache_mark_dirty(arizona->regmap);
431 regulator_disable(arizona->dcvdd);
437 #ifdef CONFIG_PM_SLEEP
438 static int arizona_suspend(struct device *dev)
440 struct arizona *arizona = dev_get_drvdata(dev);
442 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
443 disable_irq(arizona->irq);
448 static int arizona_suspend_late(struct device *dev)
450 struct arizona *arizona = dev_get_drvdata(dev);
452 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
453 enable_irq(arizona->irq);
458 static int arizona_resume_noirq(struct device *dev)
460 struct arizona *arizona = dev_get_drvdata(dev);
462 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
463 disable_irq(arizona->irq);
468 static int arizona_resume(struct device *dev)
470 struct arizona *arizona = dev_get_drvdata(dev);
472 dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
473 enable_irq(arizona->irq);
479 const struct dev_pm_ops arizona_pm_ops = {
480 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
481 arizona_runtime_resume,
483 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
484 #ifdef CONFIG_PM_SLEEP
485 .suspend_late = arizona_suspend_late,
486 .resume_noirq = arizona_resume_noirq,
489 EXPORT_SYMBOL_GPL(arizona_pm_ops);
492 unsigned long arizona_of_get_type(struct device *dev)
494 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
497 return (unsigned long)id->data;
501 EXPORT_SYMBOL_GPL(arizona_of_get_type);
503 int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
508 gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
511 dev_err(arizona->dev,
512 "Mandatory DT gpio %s missing/malformed: %d\n",
520 EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
522 static int arizona_of_get_core_pdata(struct arizona *arizona)
524 struct arizona_pdata *pdata = &arizona->pdata;
525 struct property *prop;
531 pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
533 ret = of_property_read_u32_array(arizona->dev->of_node,
535 arizona->pdata.gpio_defaults,
536 ARRAY_SIZE(arizona->pdata.gpio_defaults));
539 * All values are literal except out of range values
540 * which are chip default, translate into platform
541 * data which uses 0 as chip default and out of range
544 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
545 if (arizona->pdata.gpio_defaults[i] > 0xffff)
546 arizona->pdata.gpio_defaults[i] = 0;
547 else if (arizona->pdata.gpio_defaults[i] == 0)
548 arizona->pdata.gpio_defaults[i] = 0x10000;
551 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
555 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
557 if (count == ARRAY_SIZE(arizona->pdata.inmode))
560 arizona->pdata.inmode[count] = val;
565 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
567 if (count == ARRAY_SIZE(arizona->pdata.dmic_ref))
570 arizona->pdata.dmic_ref[count] = val;
577 const struct of_device_id arizona_of_match[] = {
578 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
579 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
580 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
581 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
584 EXPORT_SYMBOL_GPL(arizona_of_match);
586 static inline int arizona_of_get_core_pdata(struct arizona *arizona)
592 static const struct mfd_cell early_devs[] = {
593 { .name = "arizona-ldo1" },
596 static const char *wm5102_supplies[] = {
605 static const struct mfd_cell wm5102_devs[] = {
606 { .name = "arizona-micsupp" },
608 .name = "arizona-extcon",
609 .parent_supplies = wm5102_supplies,
610 .num_parent_supplies = 1, /* We only need MICVDD */
612 { .name = "arizona-gpio" },
613 { .name = "arizona-haptics" },
614 { .name = "arizona-pwm" },
616 .name = "wm5102-codec",
617 .parent_supplies = wm5102_supplies,
618 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
622 static const struct mfd_cell wm5110_devs[] = {
623 { .name = "arizona-micsupp" },
625 .name = "arizona-extcon",
626 .parent_supplies = wm5102_supplies,
627 .num_parent_supplies = 1, /* We only need MICVDD */
629 { .name = "arizona-gpio" },
630 { .name = "arizona-haptics" },
631 { .name = "arizona-pwm" },
633 .name = "wm5110-codec",
634 .parent_supplies = wm5102_supplies,
635 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
639 static const char *wm8997_supplies[] = {
646 static const struct mfd_cell wm8997_devs[] = {
647 { .name = "arizona-micsupp" },
649 .name = "arizona-extcon",
650 .parent_supplies = wm8997_supplies,
651 .num_parent_supplies = 1, /* We only need MICVDD */
653 { .name = "arizona-gpio" },
654 { .name = "arizona-haptics" },
655 { .name = "arizona-pwm" },
657 .name = "wm8997-codec",
658 .parent_supplies = wm8997_supplies,
659 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
663 int arizona_dev_init(struct arizona *arizona)
665 struct device *dev = arizona->dev;
666 const char *type_name;
667 unsigned int reg, val;
668 int (*apply_patch)(struct arizona *) = NULL;
671 dev_set_drvdata(arizona->dev, arizona);
672 mutex_init(&arizona->clk_lock);
674 if (dev_get_platdata(arizona->dev))
675 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
676 sizeof(arizona->pdata));
678 arizona_of_get_core_pdata(arizona);
680 regcache_cache_only(arizona->regmap, true);
682 switch (arizona->type) {
687 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
688 arizona->core_supplies[i].supply
689 = wm5102_core_supplies[i];
690 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
693 dev_err(arizona->dev, "Unknown device type %d\n",
698 /* Mark DCVDD as external, LDO1 driver will clear if internal */
699 arizona->external_dcvdd = true;
701 ret = mfd_add_devices(arizona->dev, -1, early_devs,
702 ARRAY_SIZE(early_devs), NULL, 0, NULL);
704 dev_err(dev, "Failed to add early children: %d\n", ret);
708 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
709 arizona->core_supplies);
711 dev_err(dev, "Failed to request core supplies: %d\n",
717 * Don't use devres here because the only device we have to get
718 * against is the MFD device and DCVDD will likely be supplied by
719 * one of its children. Meaning that the regulator will be
720 * destroyed by the time devres calls regulator put.
722 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
723 if (IS_ERR(arizona->dcvdd)) {
724 ret = PTR_ERR(arizona->dcvdd);
725 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
729 if (arizona->pdata.reset) {
730 /* Start out with /RESET low to put the chip into reset */
731 ret = gpio_request_one(arizona->pdata.reset,
732 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
735 dev_err(dev, "Failed to request /RESET: %d\n", ret);
740 ret = regulator_bulk_enable(arizona->num_core_supplies,
741 arizona->core_supplies);
743 dev_err(dev, "Failed to enable core supplies: %d\n",
748 ret = regulator_enable(arizona->dcvdd);
750 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
754 if (arizona->pdata.reset) {
755 gpio_set_value_cansleep(arizona->pdata.reset, 1);
759 regcache_cache_only(arizona->regmap, false);
761 /* Verify that this is a chip we know about */
762 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
764 dev_err(dev, "Failed to read ID register: %d\n", ret);
774 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
778 /* If we have a /RESET GPIO we'll already be reset */
779 if (!arizona->pdata.reset) {
780 regcache_mark_dirty(arizona->regmap);
782 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
784 dev_err(dev, "Failed to reset device: %d\n", ret);
790 ret = regcache_sync(arizona->regmap);
792 dev_err(dev, "Failed to sync device: %d\n", ret);
797 /* Ensure device startup is complete */
798 switch (arizona->type) {
800 ret = regmap_read(arizona->regmap,
801 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
804 "Failed to check write sequencer state: %d\n",
810 ret = arizona_wait_for_boot(arizona);
812 dev_err(arizona->dev,
813 "Device failed initial boot: %d\n", ret);
819 /* Read the device ID information & do device specific stuff */
820 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
822 dev_err(dev, "Failed to read ID register: %d\n", ret);
826 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
829 dev_err(dev, "Failed to read revision register: %d\n", ret);
832 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
835 #ifdef CONFIG_MFD_WM5102
837 type_name = "WM5102";
838 if (arizona->type != WM5102) {
839 dev_err(arizona->dev, "WM5102 registered as %d\n",
841 arizona->type = WM5102;
843 apply_patch = wm5102_patch;
847 #ifdef CONFIG_MFD_WM5110
849 switch (arizona->type) {
851 type_name = "WM5110";
854 type_name = "WM8280";
857 type_name = "WM5110";
858 dev_err(arizona->dev, "WM5110 registered as %d\n",
860 arizona->type = WM5110;
863 apply_patch = wm5110_patch;
866 #ifdef CONFIG_MFD_WM8997
868 type_name = "WM8997";
869 if (arizona->type != WM8997) {
870 dev_err(arizona->dev, "WM8997 registered as %d\n",
872 arizona->type = WM8997;
874 apply_patch = wm8997_patch;
878 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
882 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
885 ret = apply_patch(arizona);
887 dev_err(arizona->dev, "Failed to apply patch: %d\n",
892 switch (arizona->type) {
894 ret = arizona_apply_hardware_patch(arizona);
896 dev_err(arizona->dev,
897 "Failed to apply hardware patch: %d\n",
907 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
908 if (!arizona->pdata.gpio_defaults[i])
911 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
912 arizona->pdata.gpio_defaults[i]);
915 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
916 pm_runtime_use_autosuspend(arizona->dev);
917 pm_runtime_enable(arizona->dev);
920 if (!arizona->pdata.clk32k_src)
921 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
923 switch (arizona->pdata.clk32k_src) {
924 case ARIZONA_32KZ_MCLK1:
925 case ARIZONA_32KZ_MCLK2:
926 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
927 ARIZONA_CLK_32K_SRC_MASK,
928 arizona->pdata.clk32k_src - 1);
929 arizona_clk32k_enable(arizona);
931 case ARIZONA_32KZ_NONE:
932 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
933 ARIZONA_CLK_32K_SRC_MASK, 2);
936 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
937 arizona->pdata.clk32k_src);
942 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
943 if (!arizona->pdata.micbias[i].mV &&
944 !arizona->pdata.micbias[i].bypass)
947 /* Apply default for bypass mode */
948 if (!arizona->pdata.micbias[i].mV)
949 arizona->pdata.micbias[i].mV = 2800;
951 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
953 val <<= ARIZONA_MICB1_LVL_SHIFT;
955 if (arizona->pdata.micbias[i].ext_cap)
956 val |= ARIZONA_MICB1_EXT_CAP;
958 if (arizona->pdata.micbias[i].discharge)
959 val |= ARIZONA_MICB1_DISCH;
961 if (arizona->pdata.micbias[i].soft_start)
962 val |= ARIZONA_MICB1_RATE;
964 if (arizona->pdata.micbias[i].bypass)
965 val |= ARIZONA_MICB1_BYPASS;
967 regmap_update_bits(arizona->regmap,
968 ARIZONA_MIC_BIAS_CTRL_1 + i,
969 ARIZONA_MICB1_LVL_MASK |
970 ARIZONA_MICB1_EXT_CAP |
971 ARIZONA_MICB1_DISCH |
972 ARIZONA_MICB1_BYPASS |
973 ARIZONA_MICB1_RATE, val);
976 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
977 /* Default for both is 0 so noop with defaults */
978 val = arizona->pdata.dmic_ref[i]
979 << ARIZONA_IN1_DMIC_SUP_SHIFT;
980 val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT;
982 regmap_update_bits(arizona->regmap,
983 ARIZONA_IN1L_CONTROL + (i * 8),
984 ARIZONA_IN1_DMIC_SUP_MASK |
985 ARIZONA_IN1_MODE_MASK, val);
988 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
989 /* Default is 0 so noop with defaults */
990 if (arizona->pdata.out_mono[i])
991 val = ARIZONA_OUT1_MONO;
995 regmap_update_bits(arizona->regmap,
996 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
997 ARIZONA_OUT1_MONO, val);
1000 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1001 if (arizona->pdata.spk_mute[i])
1002 regmap_update_bits(arizona->regmap,
1003 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
1004 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1005 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1006 arizona->pdata.spk_mute[i]);
1008 if (arizona->pdata.spk_fmt[i])
1009 regmap_update_bits(arizona->regmap,
1010 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
1011 ARIZONA_SPK1_FMT_MASK,
1012 arizona->pdata.spk_fmt[i]);
1015 /* Set up for interrupts */
1016 ret = arizona_irq_init(arizona);
1020 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1021 arizona_clkgen_err, arizona);
1022 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1023 arizona_overclocked, arizona);
1024 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1025 arizona_underclocked, arizona);
1027 switch (arizona->type) {
1029 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
1030 ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
1034 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
1035 ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
1038 ret = mfd_add_devices(arizona->dev, -1, wm8997_devs,
1039 ARRAY_SIZE(wm8997_devs), NULL, 0, NULL);
1044 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1049 regulator_disable(arizona->dcvdd);
1055 arizona_irq_exit(arizona);
1057 if (arizona->pdata.reset) {
1058 gpio_set_value_cansleep(arizona->pdata.reset, 0);
1059 gpio_free(arizona->pdata.reset);
1061 regulator_disable(arizona->dcvdd);
1063 regulator_bulk_disable(arizona->num_core_supplies,
1064 arizona->core_supplies);
1066 regulator_put(arizona->dcvdd);
1068 mfd_remove_devices(dev);
1071 EXPORT_SYMBOL_GPL(arizona_dev_init);
1073 int arizona_dev_exit(struct arizona *arizona)
1075 pm_runtime_disable(arizona->dev);
1077 regulator_disable(arizona->dcvdd);
1078 regulator_put(arizona->dcvdd);
1080 mfd_remove_devices(arizona->dev);
1081 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1082 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1083 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
1084 arizona_irq_exit(arizona);
1085 if (arizona->pdata.reset)
1086 gpio_set_value_cansleep(arizona->pdata.reset, 0);
1088 regulator_bulk_disable(arizona->num_core_supplies,
1089 arizona->core_supplies);
1092 EXPORT_SYMBOL_GPL(arizona_dev_exit);