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 * const 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 switch (arizona->type) {
163 /* Some bits are shifted on WM8998,
164 * rearrange to match the standard bit layout
166 val[0] = ((val[0] & 0x60e0) >> 1) |
167 ((val[0] & 0x1e00) >> 2) |
174 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
175 dev_err(arizona->dev, "PWM overclocked\n");
176 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
177 dev_err(arizona->dev, "FX core overclocked\n");
178 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
179 dev_err(arizona->dev, "DAC SYS overclocked\n");
180 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
181 dev_err(arizona->dev, "DAC WARP overclocked\n");
182 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
183 dev_err(arizona->dev, "ADC overclocked\n");
184 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
185 dev_err(arizona->dev, "Mixer overclocked\n");
186 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
187 dev_err(arizona->dev, "AIF3 overclocked\n");
188 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
189 dev_err(arizona->dev, "AIF2 overclocked\n");
190 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
191 dev_err(arizona->dev, "AIF1 overclocked\n");
192 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
193 dev_err(arizona->dev, "Pad control overclocked\n");
195 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
196 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
197 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
198 dev_err(arizona->dev, "Slimbus async overclocked\n");
199 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
200 dev_err(arizona->dev, "Slimbus sync overclocked\n");
201 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
202 dev_err(arizona->dev, "ASRC async system overclocked\n");
203 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
204 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
205 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
206 dev_err(arizona->dev, "ASRC sync system overclocked\n");
207 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
208 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
209 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
210 dev_err(arizona->dev, "DSP1 overclocked\n");
211 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
212 dev_err(arizona->dev, "ISRC3 overclocked\n");
213 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
214 dev_err(arizona->dev, "ISRC2 overclocked\n");
215 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
216 dev_err(arizona->dev, "ISRC1 overclocked\n");
218 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
219 dev_err(arizona->dev, "SPDIF overclocked\n");
224 static int arizona_poll_reg(struct arizona *arizona,
225 int timeout, unsigned int reg,
226 unsigned int mask, unsigned int target)
228 unsigned int val = 0;
231 for (i = 0; i < timeout; i++) {
232 ret = regmap_read(arizona->regmap, reg, &val);
234 dev_err(arizona->dev, "Failed to read reg %u: %d\n",
239 if ((val & mask) == target)
245 dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val);
249 static int arizona_wait_for_boot(struct arizona *arizona)
254 * We can't use an interrupt as we need to runtime resume to do so,
255 * we won't race with the interrupt handler as it'll be blocked on
258 ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5,
259 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
262 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
263 ARIZONA_BOOT_DONE_STS);
265 pm_runtime_mark_last_busy(arizona->dev);
270 static inline void arizona_enable_reset(struct arizona *arizona)
272 if (arizona->pdata.reset)
273 gpio_set_value_cansleep(arizona->pdata.reset, 0);
276 static void arizona_disable_reset(struct arizona *arizona)
278 if (arizona->pdata.reset) {
279 switch (arizona->type) {
282 /* Meet requirements for minimum reset duration */
289 gpio_set_value_cansleep(arizona->pdata.reset, 1);
294 struct arizona_sysclk_state {
299 static int arizona_enable_freerun_sysclk(struct arizona *arizona,
300 struct arizona_sysclk_state *state)
304 /* Cache existing FLL and SYSCLK settings */
305 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
307 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
311 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
314 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
319 /* Start up SYSCLK using the FLL in free running mode */
320 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
321 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
323 dev_err(arizona->dev,
324 "Failed to start FLL in freerunning mode: %d\n",
328 ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
329 ARIZONA_FLL1_CLOCK_OK_STS,
330 ARIZONA_FLL1_CLOCK_OK_STS);
336 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
338 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
345 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
347 dev_err(arizona->dev,
348 "Failed to re-apply old FLL settings: %d\n", err);
353 static int arizona_disable_freerun_sysclk(struct arizona *arizona,
354 struct arizona_sysclk_state *state)
358 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
361 dev_err(arizona->dev,
362 "Failed to re-apply old SYSCLK settings: %d\n", ret);
366 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
368 dev_err(arizona->dev,
369 "Failed to re-apply old FLL settings: %d\n", ret);
376 static int wm5102_apply_hardware_patch(struct arizona *arizona)
378 struct arizona_sysclk_state state;
381 ret = arizona_enable_freerun_sysclk(arizona, &state);
385 /* Start the write sequencer and wait for it to finish */
386 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
387 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
389 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
394 ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
395 ARIZONA_WSEQ_BUSY, 0);
397 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
403 err = arizona_disable_freerun_sysclk(arizona, &state);
409 * Register patch to some of the CODECs internal write sequences
410 * to ensure a clean exit from the low power sleep state.
412 static const struct reg_sequence wm5110_sleep_patch[] = {
419 static int wm5110_apply_sleep_patch(struct arizona *arizona)
421 struct arizona_sysclk_state state;
424 ret = arizona_enable_freerun_sysclk(arizona, &state);
428 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
430 ARRAY_SIZE(wm5110_sleep_patch));
432 err = arizona_disable_freerun_sysclk(arizona, &state);
437 static int wm5102_clear_write_sequencer(struct arizona *arizona)
441 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
444 dev_err(arizona->dev,
445 "Failed to clear write sequencer state: %d\n", ret);
449 arizona_enable_reset(arizona);
450 regulator_disable(arizona->dcvdd);
454 ret = regulator_enable(arizona->dcvdd);
456 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
459 arizona_disable_reset(arizona);
465 static int arizona_runtime_resume(struct device *dev)
467 struct arizona *arizona = dev_get_drvdata(dev);
470 dev_dbg(arizona->dev, "Leaving AoD mode\n");
472 if (arizona->has_fully_powered_off) {
473 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
475 ret = regulator_bulk_enable(arizona->num_core_supplies,
476 arizona->core_supplies);
478 dev_err(dev, "Failed to enable core supplies: %d\n",
484 ret = regulator_enable(arizona->dcvdd);
486 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
487 if (arizona->has_fully_powered_off)
488 regulator_bulk_disable(arizona->num_core_supplies,
489 arizona->core_supplies);
493 if (arizona->has_fully_powered_off) {
494 arizona_disable_reset(arizona);
495 enable_irq(arizona->irq);
496 arizona->has_fully_powered_off = false;
499 regcache_cache_only(arizona->regmap, false);
501 switch (arizona->type) {
503 if (arizona->external_dcvdd) {
504 ret = regmap_update_bits(arizona->regmap,
505 ARIZONA_ISOLATION_CONTROL,
506 ARIZONA_ISOLATE_DCVDD1, 0);
508 dev_err(arizona->dev,
509 "Failed to connect DCVDD: %d\n", ret);
514 ret = wm5102_patch(arizona);
516 dev_err(arizona->dev, "Failed to apply patch: %d\n",
521 ret = wm5102_apply_hardware_patch(arizona);
523 dev_err(arizona->dev,
524 "Failed to apply hardware patch: %d\n",
531 ret = arizona_wait_for_boot(arizona);
535 if (arizona->external_dcvdd) {
536 ret = regmap_update_bits(arizona->regmap,
537 ARIZONA_ISOLATION_CONTROL,
538 ARIZONA_ISOLATE_DCVDD1, 0);
540 dev_err(arizona->dev,
541 "Failed to connect DCVDD: %d\n", ret);
546 * As this is only called for the internal regulator
547 * (where we know voltage ranges available) it is ok
548 * to request an exact range.
550 ret = regulator_set_voltage(arizona->dcvdd,
553 dev_err(arizona->dev,
554 "Failed to set resume voltage: %d\n",
560 ret = wm5110_apply_sleep_patch(arizona);
562 dev_err(arizona->dev,
563 "Failed to re-apply sleep patch: %d\n",
569 ret = arizona_wait_for_boot(arizona);
573 if (arizona->external_dcvdd) {
574 ret = regmap_update_bits(arizona->regmap,
575 ARIZONA_ISOLATION_CONTROL,
576 ARIZONA_ISOLATE_DCVDD1, 0);
578 dev_err(arizona->dev,
579 "Failed to connect DCVDD: %d\n", ret);
586 ret = regcache_sync(arizona->regmap);
588 dev_err(arizona->dev, "Failed to restore register cache\n");
595 regcache_cache_only(arizona->regmap, true);
596 regulator_disable(arizona->dcvdd);
600 static int arizona_runtime_suspend(struct device *dev)
602 struct arizona *arizona = dev_get_drvdata(dev);
606 dev_dbg(arizona->dev, "Entering AoD mode\n");
608 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
610 dev_err(dev, "Failed to check jack det status: %d\n", ret);
614 if (arizona->external_dcvdd) {
615 ret = regmap_update_bits(arizona->regmap,
616 ARIZONA_ISOLATION_CONTROL,
617 ARIZONA_ISOLATE_DCVDD1,
618 ARIZONA_ISOLATE_DCVDD1);
620 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n",
626 switch (arizona->type) {
629 if (arizona->external_dcvdd)
633 * As this is only called for the internal regulator
634 * (where we know voltage ranges available) it is ok
635 * to request an exact range.
637 ret = regulator_set_voltage(arizona->dcvdd, 1175000, 1175000);
639 dev_err(arizona->dev,
640 "Failed to set suspend voltage: %d\n", ret);
645 if (!(val & ARIZONA_JD1_ENA)) {
646 ret = regmap_write(arizona->regmap,
647 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
649 dev_err(arizona->dev,
650 "Failed to clear write sequencer: %d\n",
660 regcache_cache_only(arizona->regmap, true);
661 regcache_mark_dirty(arizona->regmap);
662 regulator_disable(arizona->dcvdd);
664 /* Allow us to completely power down if no jack detection */
665 if (!(val & ARIZONA_JD1_ENA)) {
666 dev_dbg(arizona->dev, "Fully powering off\n");
668 arizona->has_fully_powered_off = true;
670 disable_irq_nosync(arizona->irq);
671 arizona_enable_reset(arizona);
672 regulator_bulk_disable(arizona->num_core_supplies,
673 arizona->core_supplies);
680 #ifdef CONFIG_PM_SLEEP
681 static int arizona_suspend(struct device *dev)
683 struct arizona *arizona = dev_get_drvdata(dev);
685 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
686 disable_irq(arizona->irq);
691 static int arizona_suspend_late(struct device *dev)
693 struct arizona *arizona = dev_get_drvdata(dev);
695 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
696 enable_irq(arizona->irq);
701 static int arizona_resume_noirq(struct device *dev)
703 struct arizona *arizona = dev_get_drvdata(dev);
705 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
706 disable_irq(arizona->irq);
711 static int arizona_resume(struct device *dev)
713 struct arizona *arizona = dev_get_drvdata(dev);
715 dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
716 enable_irq(arizona->irq);
722 const struct dev_pm_ops arizona_pm_ops = {
723 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
724 arizona_runtime_resume,
726 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
727 #ifdef CONFIG_PM_SLEEP
728 .suspend_late = arizona_suspend_late,
729 .resume_noirq = arizona_resume_noirq,
732 EXPORT_SYMBOL_GPL(arizona_pm_ops);
735 unsigned long arizona_of_get_type(struct device *dev)
737 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
740 return (unsigned long)id->data;
744 EXPORT_SYMBOL_GPL(arizona_of_get_type);
746 int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
751 gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
754 dev_err(arizona->dev,
755 "Mandatory DT gpio %s missing/malformed: %d\n",
763 EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
765 static int arizona_of_get_core_pdata(struct arizona *arizona)
767 struct arizona_pdata *pdata = &arizona->pdata;
768 struct property *prop;
774 pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
776 ret = of_property_read_u32_array(arizona->dev->of_node,
778 pdata->gpio_defaults,
779 ARRAY_SIZE(pdata->gpio_defaults));
782 * All values are literal except out of range values
783 * which are chip default, translate into platform
784 * data which uses 0 as chip default and out of range
787 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
788 if (pdata->gpio_defaults[i] > 0xffff)
789 pdata->gpio_defaults[i] = 0;
790 else if (pdata->gpio_defaults[i] == 0)
791 pdata->gpio_defaults[i] = 0x10000;
794 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
798 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
800 if (count == ARRAY_SIZE(pdata->inmode))
803 pdata->inmode[count] = val;
808 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
810 if (count == ARRAY_SIZE(pdata->dmic_ref))
813 pdata->dmic_ref[count] = val;
820 const struct of_device_id arizona_of_match[] = {
821 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
822 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
823 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
824 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
825 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
826 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
829 EXPORT_SYMBOL_GPL(arizona_of_match);
831 static inline int arizona_of_get_core_pdata(struct arizona *arizona)
837 static const struct mfd_cell early_devs[] = {
838 { .name = "arizona-ldo1" },
841 static const char * const wm5102_supplies[] = {
850 static const struct mfd_cell wm5102_devs[] = {
851 { .name = "arizona-micsupp" },
853 .name = "arizona-extcon",
854 .parent_supplies = wm5102_supplies,
855 .num_parent_supplies = 1, /* We only need MICVDD */
857 { .name = "arizona-gpio" },
858 { .name = "arizona-haptics" },
859 { .name = "arizona-pwm" },
861 .name = "wm5102-codec",
862 .parent_supplies = wm5102_supplies,
863 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
867 static const struct mfd_cell wm5110_devs[] = {
868 { .name = "arizona-micsupp" },
870 .name = "arizona-extcon",
871 .parent_supplies = wm5102_supplies,
872 .num_parent_supplies = 1, /* We only need MICVDD */
874 { .name = "arizona-gpio" },
875 { .name = "arizona-haptics" },
876 { .name = "arizona-pwm" },
878 .name = "wm5110-codec",
879 .parent_supplies = wm5102_supplies,
880 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
884 static const char * const wm8997_supplies[] = {
891 static const struct mfd_cell wm8997_devs[] = {
892 { .name = "arizona-micsupp" },
894 .name = "arizona-extcon",
895 .parent_supplies = wm8997_supplies,
896 .num_parent_supplies = 1, /* We only need MICVDD */
898 { .name = "arizona-gpio" },
899 { .name = "arizona-haptics" },
900 { .name = "arizona-pwm" },
902 .name = "wm8997-codec",
903 .parent_supplies = wm8997_supplies,
904 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
908 static const struct mfd_cell wm8998_devs[] = {
910 .name = "arizona-extcon",
911 .parent_supplies = wm5102_supplies,
912 .num_parent_supplies = 1, /* We only need MICVDD */
914 { .name = "arizona-gpio" },
915 { .name = "arizona-haptics" },
916 { .name = "arizona-pwm" },
918 .name = "wm8998-codec",
919 .parent_supplies = wm5102_supplies,
920 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
922 { .name = "arizona-micsupp" },
925 int arizona_dev_init(struct arizona *arizona)
927 struct device *dev = arizona->dev;
928 const char *type_name;
929 unsigned int reg, val, mask;
930 int (*apply_patch)(struct arizona *) = NULL;
933 dev_set_drvdata(arizona->dev, arizona);
934 mutex_init(&arizona->clk_lock);
936 if (dev_get_platdata(arizona->dev))
937 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
938 sizeof(arizona->pdata));
940 arizona_of_get_core_pdata(arizona);
942 regcache_cache_only(arizona->regmap, true);
944 switch (arizona->type) {
951 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
952 arizona->core_supplies[i].supply
953 = wm5102_core_supplies[i];
954 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
957 dev_err(arizona->dev, "Unknown device type %d\n",
962 /* Mark DCVDD as external, LDO1 driver will clear if internal */
963 arizona->external_dcvdd = true;
965 ret = mfd_add_devices(arizona->dev, -1, early_devs,
966 ARRAY_SIZE(early_devs), NULL, 0, NULL);
968 dev_err(dev, "Failed to add early children: %d\n", ret);
972 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
973 arizona->core_supplies);
975 dev_err(dev, "Failed to request core supplies: %d\n",
981 * Don't use devres here because the only device we have to get
982 * against is the MFD device and DCVDD will likely be supplied by
983 * one of its children. Meaning that the regulator will be
984 * destroyed by the time devres calls regulator put.
986 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
987 if (IS_ERR(arizona->dcvdd)) {
988 ret = PTR_ERR(arizona->dcvdd);
989 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
993 if (arizona->pdata.reset) {
994 /* Start out with /RESET low to put the chip into reset */
995 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
996 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
999 dev_err(dev, "Failed to request /RESET: %d\n", ret);
1004 ret = regulator_bulk_enable(arizona->num_core_supplies,
1005 arizona->core_supplies);
1007 dev_err(dev, "Failed to enable core supplies: %d\n",
1012 ret = regulator_enable(arizona->dcvdd);
1014 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1018 arizona_disable_reset(arizona);
1020 regcache_cache_only(arizona->regmap, false);
1022 /* Verify that this is a chip we know about */
1023 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
1025 dev_err(dev, "Failed to read ID register: %d\n", ret);
1036 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
1040 /* If we have a /RESET GPIO we'll already be reset */
1041 if (!arizona->pdata.reset) {
1042 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1044 dev_err(dev, "Failed to reset device: %d\n", ret);
1051 /* Ensure device startup is complete */
1052 switch (arizona->type) {
1054 ret = regmap_read(arizona->regmap,
1055 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1058 "Failed to check write sequencer state: %d\n",
1060 } else if (val & 0x01) {
1061 ret = wm5102_clear_write_sequencer(arizona);
1070 ret = arizona_wait_for_boot(arizona);
1072 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1076 /* Read the device ID information & do device specific stuff */
1077 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
1079 dev_err(dev, "Failed to read ID register: %d\n", ret);
1083 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1086 dev_err(dev, "Failed to read revision register: %d\n", ret);
1089 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1092 #ifdef CONFIG_MFD_WM5102
1094 type_name = "WM5102";
1095 if (arizona->type != WM5102) {
1096 dev_err(arizona->dev, "WM5102 registered as %d\n",
1098 arizona->type = WM5102;
1100 apply_patch = wm5102_patch;
1101 arizona->rev &= 0x7;
1104 #ifdef CONFIG_MFD_WM5110
1106 switch (arizona->type) {
1108 type_name = "WM5110";
1111 type_name = "WM8280";
1114 type_name = "WM5110";
1115 dev_err(arizona->dev, "WM5110 registered as %d\n",
1117 arizona->type = WM5110;
1120 apply_patch = wm5110_patch;
1123 #ifdef CONFIG_MFD_WM8997
1125 type_name = "WM8997";
1126 if (arizona->type != WM8997) {
1127 dev_err(arizona->dev, "WM8997 registered as %d\n",
1129 arizona->type = WM8997;
1131 apply_patch = wm8997_patch;
1134 #ifdef CONFIG_MFD_WM8998
1136 switch (arizona->type) {
1138 type_name = "WM8998";
1142 type_name = "WM1814";
1146 type_name = "WM8998";
1147 dev_err(arizona->dev, "WM8998 registered as %d\n",
1149 arizona->type = WM8998;
1152 apply_patch = wm8998_patch;
1156 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
1160 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1163 ret = apply_patch(arizona);
1165 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1170 switch (arizona->type) {
1172 ret = wm5102_apply_hardware_patch(arizona);
1174 dev_err(arizona->dev,
1175 "Failed to apply hardware patch: %d\n",
1182 ret = wm5110_apply_sleep_patch(arizona);
1184 dev_err(arizona->dev,
1185 "Failed to apply sleep patch: %d\n",
1195 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1196 if (!arizona->pdata.gpio_defaults[i])
1199 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1200 arizona->pdata.gpio_defaults[i]);
1204 if (!arizona->pdata.clk32k_src)
1205 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1207 switch (arizona->pdata.clk32k_src) {
1208 case ARIZONA_32KZ_MCLK1:
1209 case ARIZONA_32KZ_MCLK2:
1210 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1211 ARIZONA_CLK_32K_SRC_MASK,
1212 arizona->pdata.clk32k_src - 1);
1213 arizona_clk32k_enable(arizona);
1215 case ARIZONA_32KZ_NONE:
1216 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1217 ARIZONA_CLK_32K_SRC_MASK, 2);
1220 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1221 arizona->pdata.clk32k_src);
1226 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
1227 if (!arizona->pdata.micbias[i].mV &&
1228 !arizona->pdata.micbias[i].bypass)
1231 /* Apply default for bypass mode */
1232 if (!arizona->pdata.micbias[i].mV)
1233 arizona->pdata.micbias[i].mV = 2800;
1235 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
1237 val <<= ARIZONA_MICB1_LVL_SHIFT;
1239 if (arizona->pdata.micbias[i].ext_cap)
1240 val |= ARIZONA_MICB1_EXT_CAP;
1242 if (arizona->pdata.micbias[i].discharge)
1243 val |= ARIZONA_MICB1_DISCH;
1245 if (arizona->pdata.micbias[i].soft_start)
1246 val |= ARIZONA_MICB1_RATE;
1248 if (arizona->pdata.micbias[i].bypass)
1249 val |= ARIZONA_MICB1_BYPASS;
1251 regmap_update_bits(arizona->regmap,
1252 ARIZONA_MIC_BIAS_CTRL_1 + i,
1253 ARIZONA_MICB1_LVL_MASK |
1254 ARIZONA_MICB1_EXT_CAP |
1255 ARIZONA_MICB1_DISCH |
1256 ARIZONA_MICB1_BYPASS |
1257 ARIZONA_MICB1_RATE, val);
1260 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1261 /* Default for both is 0 so noop with defaults */
1262 val = arizona->pdata.dmic_ref[i]
1263 << ARIZONA_IN1_DMIC_SUP_SHIFT;
1264 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1265 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
1267 switch (arizona->type) {
1270 regmap_update_bits(arizona->regmap,
1271 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
1272 ARIZONA_IN1L_SRC_SE_MASK,
1273 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1274 << ARIZONA_IN1L_SRC_SE_SHIFT);
1276 regmap_update_bits(arizona->regmap,
1277 ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
1278 ARIZONA_IN1R_SRC_SE_MASK,
1279 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1280 << ARIZONA_IN1R_SRC_SE_SHIFT);
1282 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1283 ARIZONA_IN1_MODE_MASK;
1286 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1287 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1289 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1290 ARIZONA_IN1_MODE_MASK |
1291 ARIZONA_IN1_SINGLE_ENDED_MASK;
1295 regmap_update_bits(arizona->regmap,
1296 ARIZONA_IN1L_CONTROL + (i * 8),
1300 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1301 /* Default is 0 so noop with defaults */
1302 if (arizona->pdata.out_mono[i])
1303 val = ARIZONA_OUT1_MONO;
1307 regmap_update_bits(arizona->regmap,
1308 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1309 ARIZONA_OUT1_MONO, val);
1312 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1313 if (arizona->pdata.spk_mute[i])
1314 regmap_update_bits(arizona->regmap,
1315 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
1316 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1317 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1318 arizona->pdata.spk_mute[i]);
1320 if (arizona->pdata.spk_fmt[i])
1321 regmap_update_bits(arizona->regmap,
1322 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
1323 ARIZONA_SPK1_FMT_MASK,
1324 arizona->pdata.spk_fmt[i]);
1327 pm_runtime_set_active(arizona->dev);
1328 pm_runtime_enable(arizona->dev);
1330 /* Set up for interrupts */
1331 ret = arizona_irq_init(arizona);
1335 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1336 pm_runtime_use_autosuspend(arizona->dev);
1338 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1339 arizona_clkgen_err, arizona);
1340 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1341 arizona_overclocked, arizona);
1342 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1343 arizona_underclocked, arizona);
1345 switch (arizona->type) {
1347 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
1348 ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
1352 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
1353 ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
1356 ret = mfd_add_devices(arizona->dev, -1, wm8997_devs,
1357 ARRAY_SIZE(wm8997_devs), NULL, 0, NULL);
1361 ret = mfd_add_devices(arizona->dev, -1, wm8998_devs,
1362 ARRAY_SIZE(wm8998_devs), NULL, 0, NULL);
1367 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1374 arizona_irq_exit(arizona);
1376 arizona_enable_reset(arizona);
1377 regulator_disable(arizona->dcvdd);
1379 regulator_bulk_disable(arizona->num_core_supplies,
1380 arizona->core_supplies);
1382 regulator_put(arizona->dcvdd);
1384 mfd_remove_devices(dev);
1387 EXPORT_SYMBOL_GPL(arizona_dev_init);
1389 int arizona_dev_exit(struct arizona *arizona)
1391 pm_runtime_disable(arizona->dev);
1393 regulator_disable(arizona->dcvdd);
1394 regulator_put(arizona->dcvdd);
1396 mfd_remove_devices(arizona->dev);
1397 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1398 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1399 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
1400 arizona_irq_exit(arizona);
1401 arizona_enable_reset(arizona);
1403 regulator_bulk_disable(arizona->num_core_supplies,
1404 arizona->core_supplies);
1407 EXPORT_SYMBOL_GPL(arizona_dev_exit);