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/clk.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/gpio.h>
17 #include <linux/interrupt.h>
18 #include <linux/mfd/core.h>
19 #include <linux/module.h>
21 #include <linux/of_device.h>
22 #include <linux/of_gpio.h>
23 #include <linux/pm_runtime.h>
24 #include <linux/regmap.h>
25 #include <linux/regulator/consumer.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/slab.h>
28 #include <linux/platform_device.h>
30 #include <linux/mfd/arizona/core.h>
31 #include <linux/mfd/arizona/registers.h>
35 static const char * const wm5102_core_supplies[] = {
40 int arizona_clk32k_enable(struct arizona *arizona)
44 mutex_lock(&arizona->clk_lock);
46 arizona->clk32k_ref++;
48 if (arizona->clk32k_ref == 1) {
49 switch (arizona->pdata.clk32k_src) {
50 case ARIZONA_32KZ_MCLK1:
51 ret = pm_runtime_get_sync(arizona->dev);
54 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
58 case ARIZONA_32KZ_MCLK2:
59 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
65 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
71 pm_runtime_put_sync(arizona->dev);
74 arizona->clk32k_ref--;
76 mutex_unlock(&arizona->clk_lock);
80 EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
82 int arizona_clk32k_disable(struct arizona *arizona)
84 mutex_lock(&arizona->clk_lock);
86 BUG_ON(arizona->clk32k_ref <= 0);
88 arizona->clk32k_ref--;
90 if (arizona->clk32k_ref == 0) {
91 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
92 ARIZONA_CLK_32K_ENA, 0);
94 switch (arizona->pdata.clk32k_src) {
95 case ARIZONA_32KZ_MCLK1:
96 pm_runtime_put_sync(arizona->dev);
97 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK1]);
99 case ARIZONA_32KZ_MCLK2:
100 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK2]);
105 mutex_unlock(&arizona->clk_lock);
109 EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
111 static irqreturn_t arizona_clkgen_err(int irq, void *data)
113 struct arizona *arizona = data;
115 dev_err(arizona->dev, "CLKGEN error\n");
120 static irqreturn_t arizona_underclocked(int irq, void *data)
122 struct arizona *arizona = data;
126 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
129 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
134 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
135 dev_err(arizona->dev, "AIF3 underclocked\n");
136 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
137 dev_err(arizona->dev, "AIF2 underclocked\n");
138 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
139 dev_err(arizona->dev, "AIF1 underclocked\n");
140 if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
141 dev_err(arizona->dev, "ISRC3 underclocked\n");
142 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
143 dev_err(arizona->dev, "ISRC2 underclocked\n");
144 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
145 dev_err(arizona->dev, "ISRC1 underclocked\n");
146 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
147 dev_err(arizona->dev, "FX underclocked\n");
148 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
149 dev_err(arizona->dev, "ASRC underclocked\n");
150 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
151 dev_err(arizona->dev, "DAC underclocked\n");
152 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
153 dev_err(arizona->dev, "ADC underclocked\n");
154 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
155 dev_err(arizona->dev, "Mixer dropped sample\n");
160 static irqreturn_t arizona_overclocked(int irq, void *data)
162 struct arizona *arizona = data;
166 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
169 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
174 switch (arizona->type) {
177 /* Some bits are shifted on WM8998,
178 * rearrange to match the standard bit layout
180 val[0] = ((val[0] & 0x60e0) >> 1) |
181 ((val[0] & 0x1e00) >> 2) |
188 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
189 dev_err(arizona->dev, "PWM overclocked\n");
190 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
191 dev_err(arizona->dev, "FX core overclocked\n");
192 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
193 dev_err(arizona->dev, "DAC SYS overclocked\n");
194 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
195 dev_err(arizona->dev, "DAC WARP overclocked\n");
196 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
197 dev_err(arizona->dev, "ADC overclocked\n");
198 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
199 dev_err(arizona->dev, "Mixer overclocked\n");
200 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
201 dev_err(arizona->dev, "AIF3 overclocked\n");
202 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
203 dev_err(arizona->dev, "AIF2 overclocked\n");
204 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
205 dev_err(arizona->dev, "AIF1 overclocked\n");
206 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
207 dev_err(arizona->dev, "Pad control overclocked\n");
209 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
210 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
211 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
212 dev_err(arizona->dev, "Slimbus async overclocked\n");
213 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
214 dev_err(arizona->dev, "Slimbus sync overclocked\n");
215 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
216 dev_err(arizona->dev, "ASRC async system overclocked\n");
217 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
218 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
219 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
220 dev_err(arizona->dev, "ASRC sync system overclocked\n");
221 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
222 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
223 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
224 dev_err(arizona->dev, "DSP1 overclocked\n");
225 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
226 dev_err(arizona->dev, "ISRC3 overclocked\n");
227 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
228 dev_err(arizona->dev, "ISRC2 overclocked\n");
229 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
230 dev_err(arizona->dev, "ISRC1 overclocked\n");
232 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
233 dev_err(arizona->dev, "SPDIF overclocked\n");
238 #define ARIZONA_REG_POLL_DELAY_US 7500
240 static int arizona_poll_reg(struct arizona *arizona,
241 int timeout_ms, unsigned int reg,
242 unsigned int mask, unsigned int target)
244 unsigned int val = 0;
247 ret = regmap_read_poll_timeout(arizona->regmap,
248 ARIZONA_INTERRUPT_RAW_STATUS_5, val,
249 ((val & mask) == target),
250 ARIZONA_REG_POLL_DELAY_US,
253 dev_err(arizona->dev, "Polling reg 0x%x timed out: %x\n",
259 static int arizona_wait_for_boot(struct arizona *arizona)
264 * We can't use an interrupt as we need to runtime resume to do so,
265 * we won't race with the interrupt handler as it'll be blocked on
268 ret = arizona_poll_reg(arizona, 30, ARIZONA_INTERRUPT_RAW_STATUS_5,
269 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
272 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
273 ARIZONA_BOOT_DONE_STS);
275 pm_runtime_mark_last_busy(arizona->dev);
280 static inline void arizona_enable_reset(struct arizona *arizona)
282 if (arizona->pdata.reset)
283 gpio_set_value_cansleep(arizona->pdata.reset, 0);
286 static void arizona_disable_reset(struct arizona *arizona)
288 if (arizona->pdata.reset) {
289 switch (arizona->type) {
292 /* Meet requirements for minimum reset duration */
293 usleep_range(5000, 10000);
299 gpio_set_value_cansleep(arizona->pdata.reset, 1);
300 usleep_range(1000, 5000);
304 struct arizona_sysclk_state {
309 static int arizona_enable_freerun_sysclk(struct arizona *arizona,
310 struct arizona_sysclk_state *state)
314 /* Cache existing FLL and SYSCLK settings */
315 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
317 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
321 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
324 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
329 /* Start up SYSCLK using the FLL in free running mode */
330 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
331 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
333 dev_err(arizona->dev,
334 "Failed to start FLL in freerunning mode: %d\n",
338 ret = arizona_poll_reg(arizona, 180, ARIZONA_INTERRUPT_RAW_STATUS_5,
339 ARIZONA_FLL1_CLOCK_OK_STS,
340 ARIZONA_FLL1_CLOCK_OK_STS);
344 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
346 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
353 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
355 dev_err(arizona->dev,
356 "Failed to re-apply old FLL settings: %d\n", err);
361 static int arizona_disable_freerun_sysclk(struct arizona *arizona,
362 struct arizona_sysclk_state *state)
366 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
369 dev_err(arizona->dev,
370 "Failed to re-apply old SYSCLK settings: %d\n", ret);
374 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
376 dev_err(arizona->dev,
377 "Failed to re-apply old FLL settings: %d\n", ret);
384 static int wm5102_apply_hardware_patch(struct arizona *arizona)
386 struct arizona_sysclk_state state;
389 ret = arizona_enable_freerun_sysclk(arizona, &state);
393 /* Start the write sequencer and wait for it to finish */
394 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
395 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
397 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
402 ret = arizona_poll_reg(arizona, 30, ARIZONA_WRITE_SEQUENCER_CTRL_1,
403 ARIZONA_WSEQ_BUSY, 0);
405 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
409 err = arizona_disable_freerun_sysclk(arizona, &state);
415 * Register patch to some of the CODECs internal write sequences
416 * to ensure a clean exit from the low power sleep state.
418 static const struct reg_sequence wm5110_sleep_patch[] = {
425 static int wm5110_apply_sleep_patch(struct arizona *arizona)
427 struct arizona_sysclk_state state;
430 ret = arizona_enable_freerun_sysclk(arizona, &state);
434 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
436 ARRAY_SIZE(wm5110_sleep_patch));
438 err = arizona_disable_freerun_sysclk(arizona, &state);
443 static int wm5102_clear_write_sequencer(struct arizona *arizona)
447 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
450 dev_err(arizona->dev,
451 "Failed to clear write sequencer state: %d\n", ret);
455 arizona_enable_reset(arizona);
456 regulator_disable(arizona->dcvdd);
460 ret = regulator_enable(arizona->dcvdd);
462 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
465 arizona_disable_reset(arizona);
471 static int arizona_isolate_dcvdd(struct arizona *arizona)
475 ret = regmap_update_bits(arizona->regmap,
476 ARIZONA_ISOLATION_CONTROL,
477 ARIZONA_ISOLATE_DCVDD1,
478 ARIZONA_ISOLATE_DCVDD1);
480 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
485 static int arizona_connect_dcvdd(struct arizona *arizona)
489 ret = regmap_update_bits(arizona->regmap,
490 ARIZONA_ISOLATION_CONTROL,
491 ARIZONA_ISOLATE_DCVDD1, 0);
493 dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
498 static int arizona_is_jack_det_active(struct arizona *arizona)
503 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
505 dev_err(arizona->dev,
506 "Failed to check jack det status: %d\n", ret);
508 } else if (val & ARIZONA_JD1_ENA) {
515 static int arizona_runtime_resume(struct device *dev)
517 struct arizona *arizona = dev_get_drvdata(dev);
520 dev_dbg(arizona->dev, "Leaving AoD mode\n");
522 if (arizona->has_fully_powered_off) {
523 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
525 ret = regulator_bulk_enable(arizona->num_core_supplies,
526 arizona->core_supplies);
528 dev_err(dev, "Failed to enable core supplies: %d\n",
534 ret = regulator_enable(arizona->dcvdd);
536 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
537 if (arizona->has_fully_powered_off)
538 regulator_bulk_disable(arizona->num_core_supplies,
539 arizona->core_supplies);
543 if (arizona->has_fully_powered_off) {
544 arizona_disable_reset(arizona);
545 enable_irq(arizona->irq);
546 arizona->has_fully_powered_off = false;
549 regcache_cache_only(arizona->regmap, false);
551 switch (arizona->type) {
553 if (arizona->external_dcvdd) {
554 ret = arizona_connect_dcvdd(arizona);
559 ret = wm5102_patch(arizona);
561 dev_err(arizona->dev, "Failed to apply patch: %d\n",
566 ret = wm5102_apply_hardware_patch(arizona);
568 dev_err(arizona->dev,
569 "Failed to apply hardware patch: %d\n",
576 ret = arizona_wait_for_boot(arizona);
580 if (arizona->external_dcvdd) {
581 ret = arizona_connect_dcvdd(arizona);
586 * As this is only called for the internal regulator
587 * (where we know voltage ranges available) it is ok
588 * to request an exact range.
590 ret = regulator_set_voltage(arizona->dcvdd,
593 dev_err(arizona->dev,
594 "Failed to set resume voltage: %d\n",
600 ret = wm5110_apply_sleep_patch(arizona);
602 dev_err(arizona->dev,
603 "Failed to re-apply sleep patch: %d\n",
610 ret = arizona_wait_for_boot(arizona);
615 ret = arizona_wait_for_boot(arizona);
619 if (arizona->external_dcvdd) {
620 ret = arizona_connect_dcvdd(arizona);
627 ret = regcache_sync(arizona->regmap);
629 dev_err(arizona->dev, "Failed to restore register cache\n");
636 regcache_cache_only(arizona->regmap, true);
637 regulator_disable(arizona->dcvdd);
641 static int arizona_runtime_suspend(struct device *dev)
643 struct arizona *arizona = dev_get_drvdata(dev);
647 dev_dbg(arizona->dev, "Entering AoD mode\n");
649 switch (arizona->type) {
652 jd_active = arizona_is_jack_det_active(arizona);
656 if (arizona->external_dcvdd) {
657 ret = arizona_isolate_dcvdd(arizona);
662 * As this is only called for the internal regulator
663 * (where we know voltage ranges available) it is ok
664 * to request an exact range.
666 ret = regulator_set_voltage(arizona->dcvdd,
669 dev_err(arizona->dev,
670 "Failed to set suspend voltage: %d\n",
677 jd_active = arizona_is_jack_det_active(arizona);
681 if (arizona->external_dcvdd) {
682 ret = arizona_isolate_dcvdd(arizona);
688 ret = regmap_write(arizona->regmap,
689 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
691 dev_err(arizona->dev,
692 "Failed to clear write sequencer: %d\n",
702 jd_active = arizona_is_jack_det_active(arizona);
706 if (arizona->external_dcvdd) {
707 ret = arizona_isolate_dcvdd(arizona);
714 regcache_cache_only(arizona->regmap, true);
715 regcache_mark_dirty(arizona->regmap);
716 regulator_disable(arizona->dcvdd);
718 /* Allow us to completely power down if no jack detection */
720 dev_dbg(arizona->dev, "Fully powering off\n");
722 arizona->has_fully_powered_off = true;
724 disable_irq_nosync(arizona->irq);
725 arizona_enable_reset(arizona);
726 regulator_bulk_disable(arizona->num_core_supplies,
727 arizona->core_supplies);
734 #ifdef CONFIG_PM_SLEEP
735 static int arizona_suspend(struct device *dev)
737 struct arizona *arizona = dev_get_drvdata(dev);
739 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
740 disable_irq(arizona->irq);
745 static int arizona_suspend_noirq(struct device *dev)
747 struct arizona *arizona = dev_get_drvdata(dev);
749 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
750 enable_irq(arizona->irq);
755 static int arizona_resume_noirq(struct device *dev)
757 struct arizona *arizona = dev_get_drvdata(dev);
759 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
760 disable_irq(arizona->irq);
765 static int arizona_resume(struct device *dev)
767 struct arizona *arizona = dev_get_drvdata(dev);
769 dev_dbg(arizona->dev, "Resume, reenabling IRQ\n");
770 enable_irq(arizona->irq);
776 const struct dev_pm_ops arizona_pm_ops = {
777 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
778 arizona_runtime_resume,
780 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
781 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(arizona_suspend_noirq,
782 arizona_resume_noirq)
784 EXPORT_SYMBOL_GPL(arizona_pm_ops);
787 unsigned long arizona_of_get_type(struct device *dev)
789 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
792 return (unsigned long)id->data;
796 EXPORT_SYMBOL_GPL(arizona_of_get_type);
798 static int arizona_of_get_core_pdata(struct arizona *arizona)
800 struct arizona_pdata *pdata = &arizona->pdata;
801 struct property *prop;
804 u32 pdm_val[ARIZONA_MAX_PDM_SPK];
808 pdata->reset = of_get_named_gpio(arizona->dev->of_node, "wlf,reset", 0);
809 if (pdata->reset == -EPROBE_DEFER) {
811 } else if (pdata->reset < 0) {
812 dev_err(arizona->dev, "Reset GPIO missing/malformed: %d\n",
818 ret = of_property_read_u32_array(arizona->dev->of_node,
820 pdata->gpio_defaults,
821 ARRAY_SIZE(pdata->gpio_defaults));
824 * All values are literal except out of range values
825 * which are chip default, translate into platform
826 * data which uses 0 as chip default and out of range
829 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
830 if (pdata->gpio_defaults[i] > 0xffff)
831 pdata->gpio_defaults[i] = 0;
832 else if (pdata->gpio_defaults[i] == 0)
833 pdata->gpio_defaults[i] = 0x10000;
836 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
840 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
842 if (count == ARRAY_SIZE(pdata->inmode))
845 pdata->inmode[count] = val;
850 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
852 if (count == ARRAY_SIZE(pdata->dmic_ref))
855 pdata->dmic_ref[count] = val;
860 of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
862 if (count == ARRAY_SIZE(pdata->out_mono))
865 pdata->out_mono[count] = !!val;
870 of_property_for_each_u32(arizona->dev->of_node,
871 "wlf,max-channels-clocked",
873 if (count == ARRAY_SIZE(pdata->max_channels_clocked))
876 pdata->max_channels_clocked[count] = val;
880 ret = of_property_read_u32_array(arizona->dev->of_node,
883 ARRAY_SIZE(pdm_val));
886 for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
887 pdata->spk_fmt[count] = pdm_val[count];
889 ret = of_property_read_u32_array(arizona->dev->of_node,
892 ARRAY_SIZE(pdm_val));
895 for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
896 pdata->spk_mute[count] = pdm_val[count];
901 const struct of_device_id arizona_of_match[] = {
902 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
903 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
904 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
905 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
906 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
907 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
908 { .compatible = "wlf,wm1831", .data = (void *)WM1831 },
909 { .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
912 EXPORT_SYMBOL_GPL(arizona_of_match);
914 static inline int arizona_of_get_core_pdata(struct arizona *arizona)
920 static const struct mfd_cell early_devs[] = {
921 { .name = "arizona-ldo1" },
924 static const char * const wm5102_supplies[] = {
933 static const struct mfd_cell wm5102_devs[] = {
934 { .name = "arizona-micsupp" },
935 { .name = "arizona-gpio" },
937 .name = "arizona-extcon",
938 .parent_supplies = wm5102_supplies,
939 .num_parent_supplies = 1, /* We only need MICVDD */
941 { .name = "arizona-haptics" },
942 { .name = "arizona-pwm" },
944 .name = "wm5102-codec",
945 .parent_supplies = wm5102_supplies,
946 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
950 static const struct mfd_cell wm5110_devs[] = {
951 { .name = "arizona-micsupp" },
952 { .name = "arizona-gpio" },
954 .name = "arizona-extcon",
955 .parent_supplies = wm5102_supplies,
956 .num_parent_supplies = 1, /* We only need MICVDD */
958 { .name = "arizona-haptics" },
959 { .name = "arizona-pwm" },
961 .name = "wm5110-codec",
962 .parent_supplies = wm5102_supplies,
963 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
967 static const char * const cs47l24_supplies[] = {
973 static const struct mfd_cell cs47l24_devs[] = {
974 { .name = "arizona-gpio" },
975 { .name = "arizona-haptics" },
976 { .name = "arizona-pwm" },
978 .name = "cs47l24-codec",
979 .parent_supplies = cs47l24_supplies,
980 .num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
984 static const char * const wm8997_supplies[] = {
991 static const struct mfd_cell wm8997_devs[] = {
992 { .name = "arizona-micsupp" },
993 { .name = "arizona-gpio" },
995 .name = "arizona-extcon",
996 .parent_supplies = wm8997_supplies,
997 .num_parent_supplies = 1, /* We only need MICVDD */
999 { .name = "arizona-haptics" },
1000 { .name = "arizona-pwm" },
1002 .name = "wm8997-codec",
1003 .parent_supplies = wm8997_supplies,
1004 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
1008 static const struct mfd_cell wm8998_devs[] = {
1009 { .name = "arizona-micsupp" },
1010 { .name = "arizona-gpio" },
1012 .name = "arizona-extcon",
1013 .parent_supplies = wm5102_supplies,
1014 .num_parent_supplies = 1, /* We only need MICVDD */
1016 { .name = "arizona-haptics" },
1017 { .name = "arizona-pwm" },
1019 .name = "wm8998-codec",
1020 .parent_supplies = wm5102_supplies,
1021 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
1025 int arizona_dev_init(struct arizona *arizona)
1027 const char * const mclk_name[] = { "mclk1", "mclk2" };
1028 struct device *dev = arizona->dev;
1029 const char *type_name = NULL;
1030 unsigned int reg, val, mask;
1031 int (*apply_patch)(struct arizona *) = NULL;
1032 const struct mfd_cell *subdevs = NULL;
1033 int n_subdevs, ret, i;
1035 dev_set_drvdata(arizona->dev, arizona);
1036 mutex_init(&arizona->clk_lock);
1038 if (dev_get_platdata(arizona->dev)) {
1039 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
1040 sizeof(arizona->pdata));
1042 ret = arizona_of_get_core_pdata(arizona);
1047 BUILD_BUG_ON(ARRAY_SIZE(arizona->mclk) != ARRAY_SIZE(mclk_name));
1048 for (i = 0; i < ARRAY_SIZE(arizona->mclk); i++) {
1049 arizona->mclk[i] = devm_clk_get(arizona->dev, mclk_name[i]);
1050 if (IS_ERR(arizona->mclk[i])) {
1051 dev_info(arizona->dev, "Failed to get %s: %ld\n",
1052 mclk_name[i], PTR_ERR(arizona->mclk[i]));
1053 arizona->mclk[i] = NULL;
1057 regcache_cache_only(arizona->regmap, true);
1059 switch (arizona->type) {
1068 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
1069 arizona->core_supplies[i].supply
1070 = wm5102_core_supplies[i];
1071 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
1074 dev_err(arizona->dev, "Unknown device type %d\n",
1079 /* Mark DCVDD as external, LDO1 driver will clear if internal */
1080 arizona->external_dcvdd = true;
1082 switch (arizona->type) {
1085 break; /* No LDO1 regulator */
1087 ret = mfd_add_devices(arizona->dev, -1, early_devs,
1088 ARRAY_SIZE(early_devs), NULL, 0, NULL);
1090 dev_err(dev, "Failed to add early children: %d\n", ret);
1096 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1097 arizona->core_supplies);
1099 dev_err(dev, "Failed to request core supplies: %d\n",
1105 * Don't use devres here because the only device we have to get
1106 * against is the MFD device and DCVDD will likely be supplied by
1107 * one of its children. Meaning that the regulator will be
1108 * destroyed by the time devres calls regulator put.
1110 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
1111 if (IS_ERR(arizona->dcvdd)) {
1112 ret = PTR_ERR(arizona->dcvdd);
1113 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1117 if (arizona->pdata.reset) {
1118 /* Start out with /RESET low to put the chip into reset */
1119 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
1120 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
1123 dev_err(dev, "Failed to request /RESET: %d\n", ret);
1128 ret = regulator_bulk_enable(arizona->num_core_supplies,
1129 arizona->core_supplies);
1131 dev_err(dev, "Failed to enable core supplies: %d\n",
1136 ret = regulator_enable(arizona->dcvdd);
1138 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1142 arizona_disable_reset(arizona);
1144 regcache_cache_only(arizona->regmap, false);
1146 /* Verify that this is a chip we know about */
1147 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
1149 dev_err(dev, "Failed to read ID register: %d\n", ret);
1161 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
1166 /* If we have a /RESET GPIO we'll already be reset */
1167 if (!arizona->pdata.reset) {
1168 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1170 dev_err(dev, "Failed to reset device: %d\n", ret);
1174 usleep_range(1000, 5000);
1177 /* Ensure device startup is complete */
1178 switch (arizona->type) {
1180 ret = regmap_read(arizona->regmap,
1181 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1184 "Failed to check write sequencer state: %d\n",
1186 } else if (val & 0x01) {
1187 ret = wm5102_clear_write_sequencer(arizona);
1196 ret = arizona_wait_for_boot(arizona);
1198 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1202 /* Read the device ID information & do device specific stuff */
1203 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
1205 dev_err(dev, "Failed to read ID register: %d\n", ret);
1209 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1212 dev_err(dev, "Failed to read revision register: %d\n", ret);
1215 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1219 if (IS_ENABLED(CONFIG_MFD_WM5102)) {
1220 type_name = "WM5102";
1221 if (arizona->type != WM5102) {
1222 dev_warn(arizona->dev,
1223 "WM5102 registered as %d\n",
1225 arizona->type = WM5102;
1228 apply_patch = wm5102_patch;
1229 arizona->rev &= 0x7;
1230 subdevs = wm5102_devs;
1231 n_subdevs = ARRAY_SIZE(wm5102_devs);
1235 if (IS_ENABLED(CONFIG_MFD_WM5110)) {
1236 switch (arizona->type) {
1238 type_name = "WM5110";
1241 type_name = "WM8280";
1244 type_name = "WM5110";
1245 dev_warn(arizona->dev,
1246 "WM5110 registered as %d\n",
1248 arizona->type = WM5110;
1252 apply_patch = wm5110_patch;
1253 subdevs = wm5110_devs;
1254 n_subdevs = ARRAY_SIZE(wm5110_devs);
1258 if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
1259 switch (arizona->type) {
1261 type_name = "CS47L24";
1265 type_name = "WM1831";
1269 dev_warn(arizona->dev,
1270 "CS47L24 registered as %d\n",
1272 arizona->type = CS47L24;
1276 apply_patch = cs47l24_patch;
1277 subdevs = cs47l24_devs;
1278 n_subdevs = ARRAY_SIZE(cs47l24_devs);
1282 if (IS_ENABLED(CONFIG_MFD_WM8997)) {
1283 type_name = "WM8997";
1284 if (arizona->type != WM8997) {
1285 dev_warn(arizona->dev,
1286 "WM8997 registered as %d\n",
1288 arizona->type = WM8997;
1291 apply_patch = wm8997_patch;
1292 subdevs = wm8997_devs;
1293 n_subdevs = ARRAY_SIZE(wm8997_devs);
1297 if (IS_ENABLED(CONFIG_MFD_WM8998)) {
1298 switch (arizona->type) {
1300 type_name = "WM8998";
1304 type_name = "WM1814";
1308 type_name = "WM8998";
1309 dev_warn(arizona->dev,
1310 "WM8998 registered as %d\n",
1312 arizona->type = WM8998;
1315 apply_patch = wm8998_patch;
1316 subdevs = wm8998_devs;
1317 n_subdevs = ARRAY_SIZE(wm8998_devs);
1321 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
1327 dev_err(arizona->dev,
1328 "No kernel support for device ID %x\n", reg);
1333 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1336 ret = apply_patch(arizona);
1338 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1343 switch (arizona->type) {
1345 ret = wm5102_apply_hardware_patch(arizona);
1347 dev_err(arizona->dev,
1348 "Failed to apply hardware patch: %d\n",
1355 ret = wm5110_apply_sleep_patch(arizona);
1357 dev_err(arizona->dev,
1358 "Failed to apply sleep patch: %d\n",
1368 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1369 if (!arizona->pdata.gpio_defaults[i])
1372 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1373 arizona->pdata.gpio_defaults[i]);
1377 if (!arizona->pdata.clk32k_src)
1378 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1380 switch (arizona->pdata.clk32k_src) {
1381 case ARIZONA_32KZ_MCLK1:
1382 case ARIZONA_32KZ_MCLK2:
1383 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1384 ARIZONA_CLK_32K_SRC_MASK,
1385 arizona->pdata.clk32k_src - 1);
1386 arizona_clk32k_enable(arizona);
1388 case ARIZONA_32KZ_NONE:
1389 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1390 ARIZONA_CLK_32K_SRC_MASK, 2);
1393 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1394 arizona->pdata.clk32k_src);
1399 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
1400 if (!arizona->pdata.micbias[i].mV &&
1401 !arizona->pdata.micbias[i].bypass)
1404 /* Apply default for bypass mode */
1405 if (!arizona->pdata.micbias[i].mV)
1406 arizona->pdata.micbias[i].mV = 2800;
1408 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
1410 val <<= ARIZONA_MICB1_LVL_SHIFT;
1412 if (arizona->pdata.micbias[i].ext_cap)
1413 val |= ARIZONA_MICB1_EXT_CAP;
1415 if (arizona->pdata.micbias[i].discharge)
1416 val |= ARIZONA_MICB1_DISCH;
1418 if (arizona->pdata.micbias[i].soft_start)
1419 val |= ARIZONA_MICB1_RATE;
1421 if (arizona->pdata.micbias[i].bypass)
1422 val |= ARIZONA_MICB1_BYPASS;
1424 regmap_update_bits(arizona->regmap,
1425 ARIZONA_MIC_BIAS_CTRL_1 + i,
1426 ARIZONA_MICB1_LVL_MASK |
1427 ARIZONA_MICB1_EXT_CAP |
1428 ARIZONA_MICB1_DISCH |
1429 ARIZONA_MICB1_BYPASS |
1430 ARIZONA_MICB1_RATE, val);
1433 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1434 /* Default for both is 0 so noop with defaults */
1435 val = arizona->pdata.dmic_ref[i]
1436 << ARIZONA_IN1_DMIC_SUP_SHIFT;
1437 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1438 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
1440 switch (arizona->type) {
1443 regmap_update_bits(arizona->regmap,
1444 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
1445 ARIZONA_IN1L_SRC_SE_MASK,
1446 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1447 << ARIZONA_IN1L_SRC_SE_SHIFT);
1449 regmap_update_bits(arizona->regmap,
1450 ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
1451 ARIZONA_IN1R_SRC_SE_MASK,
1452 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1453 << ARIZONA_IN1R_SRC_SE_SHIFT);
1455 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1456 ARIZONA_IN1_MODE_MASK;
1459 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1460 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1462 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1463 ARIZONA_IN1_MODE_MASK |
1464 ARIZONA_IN1_SINGLE_ENDED_MASK;
1468 regmap_update_bits(arizona->regmap,
1469 ARIZONA_IN1L_CONTROL + (i * 8),
1473 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1474 /* Default is 0 so noop with defaults */
1475 if (arizona->pdata.out_mono[i])
1476 val = ARIZONA_OUT1_MONO;
1480 regmap_update_bits(arizona->regmap,
1481 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1482 ARIZONA_OUT1_MONO, val);
1485 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1486 if (arizona->pdata.spk_mute[i])
1487 regmap_update_bits(arizona->regmap,
1488 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
1489 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1490 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1491 arizona->pdata.spk_mute[i]);
1493 if (arizona->pdata.spk_fmt[i])
1494 regmap_update_bits(arizona->regmap,
1495 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
1496 ARIZONA_SPK1_FMT_MASK,
1497 arizona->pdata.spk_fmt[i]);
1500 pm_runtime_set_active(arizona->dev);
1501 pm_runtime_enable(arizona->dev);
1503 /* Set up for interrupts */
1504 ret = arizona_irq_init(arizona);
1508 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1509 pm_runtime_use_autosuspend(arizona->dev);
1511 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1512 arizona_clkgen_err, arizona);
1513 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1514 arizona_overclocked, arizona);
1515 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1516 arizona_underclocked, arizona);
1518 ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1519 subdevs, n_subdevs, NULL, 0, NULL);
1522 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1529 arizona_irq_exit(arizona);
1531 pm_runtime_disable(arizona->dev);
1533 arizona_enable_reset(arizona);
1534 regulator_disable(arizona->dcvdd);
1536 regulator_bulk_disable(arizona->num_core_supplies,
1537 arizona->core_supplies);
1539 regulator_put(arizona->dcvdd);
1541 mfd_remove_devices(dev);
1544 EXPORT_SYMBOL_GPL(arizona_dev_init);
1546 int arizona_dev_exit(struct arizona *arizona)
1548 disable_irq(arizona->irq);
1549 pm_runtime_disable(arizona->dev);
1551 regulator_disable(arizona->dcvdd);
1552 regulator_put(arizona->dcvdd);
1554 mfd_remove_devices(arizona->dev);
1555 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1556 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1557 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
1558 arizona_irq_exit(arizona);
1559 arizona_enable_reset(arizona);
1561 regulator_bulk_disable(arizona->num_core_supplies,
1562 arizona->core_supplies);
1565 EXPORT_SYMBOL_GPL(arizona_dev_exit);