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 inline void arizona_enable_reset(struct arizona *arizona)
255 if (arizona->pdata.reset)
256 gpio_set_value_cansleep(arizona->pdata.reset, 0);
259 static void arizona_disable_reset(struct arizona *arizona)
261 if (arizona->pdata.reset) {
262 switch (arizona->type) {
265 /* Meet requirements for minimum reset duration */
272 gpio_set_value_cansleep(arizona->pdata.reset, 1);
277 struct arizona_sysclk_state {
282 static int arizona_enable_freerun_sysclk(struct arizona *arizona,
283 struct arizona_sysclk_state *state)
287 /* Cache existing FLL and SYSCLK settings */
288 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
290 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
294 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
297 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
302 /* Start up SYSCLK using the FLL in free running mode */
303 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
304 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
306 dev_err(arizona->dev,
307 "Failed to start FLL in freerunning mode: %d\n",
311 ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
312 ARIZONA_FLL1_CLOCK_OK_STS,
313 ARIZONA_FLL1_CLOCK_OK_STS);
319 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
321 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
328 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
330 dev_err(arizona->dev,
331 "Failed to re-apply old FLL settings: %d\n", err);
336 static int arizona_disable_freerun_sysclk(struct arizona *arizona,
337 struct arizona_sysclk_state *state)
341 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
344 dev_err(arizona->dev,
345 "Failed to re-apply old SYSCLK settings: %d\n", ret);
349 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
351 dev_err(arizona->dev,
352 "Failed to re-apply old FLL settings: %d\n", ret);
359 static int wm5102_apply_hardware_patch(struct arizona *arizona)
361 struct arizona_sysclk_state state;
364 ret = arizona_enable_freerun_sysclk(arizona, &state);
368 /* Start the write sequencer and wait for it to finish */
369 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
370 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
372 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
377 ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
378 ARIZONA_WSEQ_BUSY, 0);
380 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
386 err = arizona_disable_freerun_sysclk(arizona, &state);
392 * Register patch to some of the CODECs internal write sequences
393 * to ensure a clean exit from the low power sleep state.
395 static const struct reg_default wm5110_sleep_patch[] = {
402 static int wm5110_apply_sleep_patch(struct arizona *arizona)
404 struct arizona_sysclk_state state;
407 ret = arizona_enable_freerun_sysclk(arizona, &state);
411 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
413 ARRAY_SIZE(wm5110_sleep_patch));
415 err = arizona_disable_freerun_sysclk(arizona, &state);
420 static int wm5102_clear_write_sequencer(struct arizona *arizona)
424 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
427 dev_err(arizona->dev,
428 "Failed to clear write sequencer state: %d\n", ret);
432 arizona_enable_reset(arizona);
433 regulator_disable(arizona->dcvdd);
437 ret = regulator_enable(arizona->dcvdd);
439 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
442 arizona_disable_reset(arizona);
448 static int arizona_runtime_resume(struct device *dev)
450 struct arizona *arizona = dev_get_drvdata(dev);
453 dev_dbg(arizona->dev, "Leaving AoD mode\n");
455 if (arizona->has_fully_powered_off) {
456 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
458 ret = regulator_bulk_enable(arizona->num_core_supplies,
459 arizona->core_supplies);
461 dev_err(dev, "Failed to enable core supplies: %d\n",
467 ret = regulator_enable(arizona->dcvdd);
469 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
470 if (arizona->has_fully_powered_off)
471 regulator_bulk_disable(arizona->num_core_supplies,
472 arizona->core_supplies);
476 if (arizona->has_fully_powered_off) {
477 arizona_disable_reset(arizona);
478 enable_irq(arizona->irq);
479 arizona->has_fully_powered_off = false;
482 regcache_cache_only(arizona->regmap, false);
484 switch (arizona->type) {
486 if (arizona->external_dcvdd) {
487 ret = regmap_update_bits(arizona->regmap,
488 ARIZONA_ISOLATION_CONTROL,
489 ARIZONA_ISOLATE_DCVDD1, 0);
491 dev_err(arizona->dev,
492 "Failed to connect DCVDD: %d\n", ret);
497 ret = wm5102_patch(arizona);
499 dev_err(arizona->dev, "Failed to apply patch: %d\n",
504 ret = wm5102_apply_hardware_patch(arizona);
506 dev_err(arizona->dev,
507 "Failed to apply hardware patch: %d\n",
514 ret = arizona_wait_for_boot(arizona);
518 if (arizona->external_dcvdd) {
519 ret = regmap_update_bits(arizona->regmap,
520 ARIZONA_ISOLATION_CONTROL,
521 ARIZONA_ISOLATE_DCVDD1, 0);
523 dev_err(arizona->dev,
524 "Failed to connect DCVDD: %d\n", ret);
529 * As this is only called for the internal regulator
530 * (where we know voltage ranges available) it is ok
531 * to request an exact range.
533 ret = regulator_set_voltage(arizona->dcvdd,
536 dev_err(arizona->dev,
537 "Failed to set resume voltage: %d\n",
543 ret = wm5110_apply_sleep_patch(arizona);
545 dev_err(arizona->dev,
546 "Failed to re-apply sleep patch: %d\n",
552 ret = arizona_wait_for_boot(arizona);
557 if (arizona->external_dcvdd) {
558 ret = regmap_update_bits(arizona->regmap,
559 ARIZONA_ISOLATION_CONTROL,
560 ARIZONA_ISOLATE_DCVDD1, 0);
562 dev_err(arizona->dev,
563 "Failed to connect DCVDD: %d\n", ret);
570 ret = regcache_sync(arizona->regmap);
572 dev_err(arizona->dev, "Failed to restore register cache\n");
579 regcache_cache_only(arizona->regmap, true);
580 regulator_disable(arizona->dcvdd);
584 static int arizona_runtime_suspend(struct device *dev)
586 struct arizona *arizona = dev_get_drvdata(dev);
590 dev_dbg(arizona->dev, "Entering AoD mode\n");
592 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
594 dev_err(dev, "Failed to check jack det status: %d\n", ret);
598 if (arizona->external_dcvdd) {
599 ret = regmap_update_bits(arizona->regmap,
600 ARIZONA_ISOLATION_CONTROL,
601 ARIZONA_ISOLATE_DCVDD1,
602 ARIZONA_ISOLATE_DCVDD1);
604 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n",
610 switch (arizona->type) {
613 if (arizona->external_dcvdd)
617 * As this is only called for the internal regulator
618 * (where we know voltage ranges available) it is ok
619 * to request an exact range.
621 ret = regulator_set_voltage(arizona->dcvdd, 1175000, 1175000);
623 dev_err(arizona->dev,
624 "Failed to set suspend voltage: %d\n", ret);
629 if (!(val & ARIZONA_JD1_ENA)) {
630 ret = regmap_write(arizona->regmap,
631 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
633 dev_err(arizona->dev,
634 "Failed to clear write sequencer: %d\n",
644 regcache_cache_only(arizona->regmap, true);
645 regcache_mark_dirty(arizona->regmap);
646 regulator_disable(arizona->dcvdd);
648 /* Allow us to completely power down if no jack detection */
649 if (!(val & ARIZONA_JD1_ENA)) {
650 dev_dbg(arizona->dev, "Fully powering off\n");
652 arizona->has_fully_powered_off = true;
654 disable_irq(arizona->irq);
655 arizona_enable_reset(arizona);
656 regulator_bulk_disable(arizona->num_core_supplies,
657 arizona->core_supplies);
664 #ifdef CONFIG_PM_SLEEP
665 static int arizona_suspend(struct device *dev)
667 struct arizona *arizona = dev_get_drvdata(dev);
669 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
670 disable_irq(arizona->irq);
675 static int arizona_suspend_late(struct device *dev)
677 struct arizona *arizona = dev_get_drvdata(dev);
679 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
680 enable_irq(arizona->irq);
685 static int arizona_resume_noirq(struct device *dev)
687 struct arizona *arizona = dev_get_drvdata(dev);
689 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
690 disable_irq(arizona->irq);
695 static int arizona_resume(struct device *dev)
697 struct arizona *arizona = dev_get_drvdata(dev);
699 dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
700 enable_irq(arizona->irq);
706 const struct dev_pm_ops arizona_pm_ops = {
707 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
708 arizona_runtime_resume,
710 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
711 #ifdef CONFIG_PM_SLEEP
712 .suspend_late = arizona_suspend_late,
713 .resume_noirq = arizona_resume_noirq,
716 EXPORT_SYMBOL_GPL(arizona_pm_ops);
719 unsigned long arizona_of_get_type(struct device *dev)
721 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
724 return (unsigned long)id->data;
728 EXPORT_SYMBOL_GPL(arizona_of_get_type);
730 int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
735 gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
738 dev_err(arizona->dev,
739 "Mandatory DT gpio %s missing/malformed: %d\n",
747 EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
749 static int arizona_of_get_core_pdata(struct arizona *arizona)
751 struct arizona_pdata *pdata = &arizona->pdata;
752 struct property *prop;
758 pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
760 ret = of_property_read_u32_array(arizona->dev->of_node,
762 arizona->pdata.gpio_defaults,
763 ARRAY_SIZE(arizona->pdata.gpio_defaults));
766 * All values are literal except out of range values
767 * which are chip default, translate into platform
768 * data which uses 0 as chip default and out of range
771 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
772 if (arizona->pdata.gpio_defaults[i] > 0xffff)
773 arizona->pdata.gpio_defaults[i] = 0;
774 else if (arizona->pdata.gpio_defaults[i] == 0)
775 arizona->pdata.gpio_defaults[i] = 0x10000;
778 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
782 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
784 if (count == ARRAY_SIZE(arizona->pdata.inmode))
787 arizona->pdata.inmode[count] = val;
792 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
794 if (count == ARRAY_SIZE(arizona->pdata.dmic_ref))
797 arizona->pdata.dmic_ref[count] = val;
804 const struct of_device_id arizona_of_match[] = {
805 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
806 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
807 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
808 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
811 EXPORT_SYMBOL_GPL(arizona_of_match);
813 static inline int arizona_of_get_core_pdata(struct arizona *arizona)
819 static const struct mfd_cell early_devs[] = {
820 { .name = "arizona-ldo1" },
823 static const char *wm5102_supplies[] = {
832 static const struct mfd_cell wm5102_devs[] = {
833 { .name = "arizona-micsupp" },
835 .name = "arizona-extcon",
836 .parent_supplies = wm5102_supplies,
837 .num_parent_supplies = 1, /* We only need MICVDD */
839 { .name = "arizona-gpio" },
840 { .name = "arizona-haptics" },
841 { .name = "arizona-pwm" },
843 .name = "wm5102-codec",
844 .parent_supplies = wm5102_supplies,
845 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
849 static const struct mfd_cell wm5110_devs[] = {
850 { .name = "arizona-micsupp" },
852 .name = "arizona-extcon",
853 .parent_supplies = wm5102_supplies,
854 .num_parent_supplies = 1, /* We only need MICVDD */
856 { .name = "arizona-gpio" },
857 { .name = "arizona-haptics" },
858 { .name = "arizona-pwm" },
860 .name = "wm5110-codec",
861 .parent_supplies = wm5102_supplies,
862 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
866 static const char *wm8997_supplies[] = {
873 static const struct mfd_cell wm8997_devs[] = {
874 { .name = "arizona-micsupp" },
876 .name = "arizona-extcon",
877 .parent_supplies = wm8997_supplies,
878 .num_parent_supplies = 1, /* We only need MICVDD */
880 { .name = "arizona-gpio" },
881 { .name = "arizona-haptics" },
882 { .name = "arizona-pwm" },
884 .name = "wm8997-codec",
885 .parent_supplies = wm8997_supplies,
886 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
890 int arizona_dev_init(struct arizona *arizona)
892 struct device *dev = arizona->dev;
893 const char *type_name;
894 unsigned int reg, val;
895 int (*apply_patch)(struct arizona *) = NULL;
898 dev_set_drvdata(arizona->dev, arizona);
899 mutex_init(&arizona->clk_lock);
901 if (dev_get_platdata(arizona->dev))
902 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
903 sizeof(arizona->pdata));
905 arizona_of_get_core_pdata(arizona);
907 regcache_cache_only(arizona->regmap, true);
909 switch (arizona->type) {
914 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
915 arizona->core_supplies[i].supply
916 = wm5102_core_supplies[i];
917 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
920 dev_err(arizona->dev, "Unknown device type %d\n",
925 /* Mark DCVDD as external, LDO1 driver will clear if internal */
926 arizona->external_dcvdd = true;
928 ret = mfd_add_devices(arizona->dev, -1, early_devs,
929 ARRAY_SIZE(early_devs), NULL, 0, NULL);
931 dev_err(dev, "Failed to add early children: %d\n", ret);
935 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
936 arizona->core_supplies);
938 dev_err(dev, "Failed to request core supplies: %d\n",
944 * Don't use devres here because the only device we have to get
945 * against is the MFD device and DCVDD will likely be supplied by
946 * one of its children. Meaning that the regulator will be
947 * destroyed by the time devres calls regulator put.
949 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
950 if (IS_ERR(arizona->dcvdd)) {
951 ret = PTR_ERR(arizona->dcvdd);
952 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
956 if (arizona->pdata.reset) {
957 /* Start out with /RESET low to put the chip into reset */
958 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
959 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
962 dev_err(dev, "Failed to request /RESET: %d\n", ret);
967 ret = regulator_bulk_enable(arizona->num_core_supplies,
968 arizona->core_supplies);
970 dev_err(dev, "Failed to enable core supplies: %d\n",
975 ret = regulator_enable(arizona->dcvdd);
977 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
981 arizona_disable_reset(arizona);
983 regcache_cache_only(arizona->regmap, false);
985 /* Verify that this is a chip we know about */
986 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
988 dev_err(dev, "Failed to read ID register: %d\n", ret);
998 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
1002 /* If we have a /RESET GPIO we'll already be reset */
1003 if (!arizona->pdata.reset) {
1004 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1006 dev_err(dev, "Failed to reset device: %d\n", ret);
1013 /* Ensure device startup is complete */
1014 switch (arizona->type) {
1016 ret = regmap_read(arizona->regmap,
1017 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1020 "Failed to check write sequencer state: %d\n",
1022 } else if (val & 0x01) {
1023 ret = wm5102_clear_write_sequencer(arizona);
1032 ret = arizona_wait_for_boot(arizona);
1034 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1038 /* Read the device ID information & do device specific stuff */
1039 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
1041 dev_err(dev, "Failed to read ID register: %d\n", ret);
1045 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1048 dev_err(dev, "Failed to read revision register: %d\n", ret);
1051 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1054 #ifdef CONFIG_MFD_WM5102
1056 type_name = "WM5102";
1057 if (arizona->type != WM5102) {
1058 dev_err(arizona->dev, "WM5102 registered as %d\n",
1060 arizona->type = WM5102;
1062 apply_patch = wm5102_patch;
1063 arizona->rev &= 0x7;
1066 #ifdef CONFIG_MFD_WM5110
1068 switch (arizona->type) {
1070 type_name = "WM5110";
1073 type_name = "WM8280";
1076 type_name = "WM5110";
1077 dev_err(arizona->dev, "WM5110 registered as %d\n",
1079 arizona->type = WM5110;
1082 apply_patch = wm5110_patch;
1085 #ifdef CONFIG_MFD_WM8997
1087 type_name = "WM8997";
1088 if (arizona->type != WM8997) {
1089 dev_err(arizona->dev, "WM8997 registered as %d\n",
1091 arizona->type = WM8997;
1093 apply_patch = wm8997_patch;
1097 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
1101 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1104 ret = apply_patch(arizona);
1106 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1111 switch (arizona->type) {
1113 ret = wm5102_apply_hardware_patch(arizona);
1115 dev_err(arizona->dev,
1116 "Failed to apply hardware patch: %d\n",
1123 ret = wm5110_apply_sleep_patch(arizona);
1125 dev_err(arizona->dev,
1126 "Failed to apply sleep patch: %d\n",
1136 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1137 if (!arizona->pdata.gpio_defaults[i])
1140 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1141 arizona->pdata.gpio_defaults[i]);
1144 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1145 pm_runtime_use_autosuspend(arizona->dev);
1146 pm_runtime_enable(arizona->dev);
1149 if (!arizona->pdata.clk32k_src)
1150 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1152 switch (arizona->pdata.clk32k_src) {
1153 case ARIZONA_32KZ_MCLK1:
1154 case ARIZONA_32KZ_MCLK2:
1155 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1156 ARIZONA_CLK_32K_SRC_MASK,
1157 arizona->pdata.clk32k_src - 1);
1158 arizona_clk32k_enable(arizona);
1160 case ARIZONA_32KZ_NONE:
1161 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1162 ARIZONA_CLK_32K_SRC_MASK, 2);
1165 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1166 arizona->pdata.clk32k_src);
1171 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
1172 if (!arizona->pdata.micbias[i].mV &&
1173 !arizona->pdata.micbias[i].bypass)
1176 /* Apply default for bypass mode */
1177 if (!arizona->pdata.micbias[i].mV)
1178 arizona->pdata.micbias[i].mV = 2800;
1180 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
1182 val <<= ARIZONA_MICB1_LVL_SHIFT;
1184 if (arizona->pdata.micbias[i].ext_cap)
1185 val |= ARIZONA_MICB1_EXT_CAP;
1187 if (arizona->pdata.micbias[i].discharge)
1188 val |= ARIZONA_MICB1_DISCH;
1190 if (arizona->pdata.micbias[i].soft_start)
1191 val |= ARIZONA_MICB1_RATE;
1193 if (arizona->pdata.micbias[i].bypass)
1194 val |= ARIZONA_MICB1_BYPASS;
1196 regmap_update_bits(arizona->regmap,
1197 ARIZONA_MIC_BIAS_CTRL_1 + i,
1198 ARIZONA_MICB1_LVL_MASK |
1199 ARIZONA_MICB1_EXT_CAP |
1200 ARIZONA_MICB1_DISCH |
1201 ARIZONA_MICB1_BYPASS |
1202 ARIZONA_MICB1_RATE, val);
1205 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1206 /* Default for both is 0 so noop with defaults */
1207 val = arizona->pdata.dmic_ref[i]
1208 << ARIZONA_IN1_DMIC_SUP_SHIFT;
1209 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1210 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
1211 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1212 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1214 regmap_update_bits(arizona->regmap,
1215 ARIZONA_IN1L_CONTROL + (i * 8),
1216 ARIZONA_IN1_DMIC_SUP_MASK |
1217 ARIZONA_IN1_MODE_MASK |
1218 ARIZONA_IN1_SINGLE_ENDED_MASK, val);
1221 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1222 /* Default is 0 so noop with defaults */
1223 if (arizona->pdata.out_mono[i])
1224 val = ARIZONA_OUT1_MONO;
1228 regmap_update_bits(arizona->regmap,
1229 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1230 ARIZONA_OUT1_MONO, val);
1233 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1234 if (arizona->pdata.spk_mute[i])
1235 regmap_update_bits(arizona->regmap,
1236 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
1237 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1238 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1239 arizona->pdata.spk_mute[i]);
1241 if (arizona->pdata.spk_fmt[i])
1242 regmap_update_bits(arizona->regmap,
1243 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
1244 ARIZONA_SPK1_FMT_MASK,
1245 arizona->pdata.spk_fmt[i]);
1248 /* Set up for interrupts */
1249 ret = arizona_irq_init(arizona);
1253 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1254 arizona_clkgen_err, arizona);
1255 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1256 arizona_overclocked, arizona);
1257 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1258 arizona_underclocked, arizona);
1260 switch (arizona->type) {
1262 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
1263 ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
1267 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
1268 ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
1271 ret = mfd_add_devices(arizona->dev, -1, wm8997_devs,
1272 ARRAY_SIZE(wm8997_devs), NULL, 0, NULL);
1277 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1282 regulator_disable(arizona->dcvdd);
1288 arizona_irq_exit(arizona);
1290 arizona_enable_reset(arizona);
1291 regulator_disable(arizona->dcvdd);
1293 regulator_bulk_disable(arizona->num_core_supplies,
1294 arizona->core_supplies);
1296 regulator_put(arizona->dcvdd);
1298 mfd_remove_devices(dev);
1301 EXPORT_SYMBOL_GPL(arizona_dev_init);
1303 int arizona_dev_exit(struct arizona *arizona)
1305 pm_runtime_disable(arizona->dev);
1307 regulator_disable(arizona->dcvdd);
1308 regulator_put(arizona->dcvdd);
1310 mfd_remove_devices(arizona->dev);
1311 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1312 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1313 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
1314 arizona_irq_exit(arizona);
1315 arizona_enable_reset(arizona);
1317 regulator_bulk_disable(arizona->num_core_supplies,
1318 arizona->core_supplies);
1321 EXPORT_SYMBOL_GPL(arizona_dev_exit);