1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (C) 2015-2018 Cirrus Logic
51 		.name = "madera-ldo1",
57 	"MICVDD",
63 	{ .name = "madera-pinctrl", },
64 	{ .name = "madera-irq", },
65 	{ .name = "madera-gpio", },
67 		.name = "madera-extcon",
69 		.num_parent_supplies = 1, /* We only need MICVDD */
72 		.name = "cs47l15-codec",
79 	"MICVDD",
87 	{ .name = "madera-pinctrl", },
88 	{ .name = "madera-irq", },
89 	{ .name = "madera-micsupp", },
90 	{ .name = "madera-gpio", },
92 		.name = "madera-extcon",
94 		.num_parent_supplies = 1, /* We only need MICVDD */
97 		.name = "cs47l35-codec",
104 	"MICVDD",
115 	{ .name = "madera-pinctrl", },
116 	{ .name = "madera-irq", },
117 	{ .name = "madera-micsupp", },
118 	{ .name = "madera-gpio", },
120 		.name = "madera-extcon",
122 		.num_parent_supplies = 1, /* We only need MICVDD */
125 		.name = "cs47l85-codec",
132 	"MICVDD",
141 	{ .name = "madera-pinctrl", },
142 	{ .name = "madera-irq", },
143 	{ .name = "madera-micsupp", },
144 	{ .name = "madera-gpio", },
146 		.name = "madera-extcon",
148 		.num_parent_supplies = 1, /* We only need MICVDD */
151 		.name = "cs47l90-codec",
158 	"MICVDD",
164 	{ .name = "madera-pinctrl", },
165 	{ .name = "madera-irq", },
166 	{ .name = "madera-micsupp", },
167 	{ .name = "madera-gpio", },
169 		.name = "madera-extcon",
171 		.num_parent_supplies = 1, /* We only need MICVDD */
174 		.name = "cs47l92-codec",
180 /* Used by madera-i2c and madera-spi drivers */
225 	regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_1, &val);  in madera_wait_for_boot_noack()
230 		regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_1, &val);  in madera_wait_for_boot_noack()
234 		dev_err(madera->dev, "Polling BOOT_DONE_STS timed out\n");  in madera_wait_for_boot_noack()
235 		ret = -ETIMEDOUT;  in madera_wait_for_boot_noack()
249 	regmap_write(madera->regmap, MADERA_IRQ1_STATUS_1,  in madera_wait_for_boot()
252 	pm_runtime_mark_last_busy(madera->dev);  in madera_wait_for_boot()
261 	ret = regmap_write(madera->regmap, MADERA_SOFTWARE_RESET, 0);  in madera_soft_reset()
263 		dev_err(madera->dev, "Failed to soft reset device: %d\n", ret);  in madera_soft_reset()
276 	 * There are many existing out-of-tree users of these codecs that we  in madera_enable_hard_reset()
280 	gpiod_set_raw_value_cansleep(madera->pdata.reset, 0);  in madera_enable_hard_reset()
285 	gpiod_set_raw_value_cansleep(madera->pdata.reset, 1);  in madera_disable_hard_reset()
297 	if (!madera->reset_errata)  in madera_runtime_resume()
300 	ret = regulator_enable(madera->dcvdd);  in madera_runtime_resume()
306 	regcache_cache_only(madera->regmap, false);  in madera_runtime_resume()
307 	regcache_cache_only(madera->regmap_32bit, false);  in madera_runtime_resume()
309 	if (madera->reset_errata)  in madera_runtime_resume()
314 	if (!madera->pdata.reset || madera->reset_errata) {  in madera_runtime_resume()
330 	ret = regcache_sync(madera->regmap);  in madera_runtime_resume()
332 		dev_err(dev, "Failed to restore 16-bit register cache\n");  in madera_runtime_resume()
336 	ret = regcache_sync(madera->regmap_32bit);  in madera_runtime_resume()
338 		dev_err(dev, "Failed to restore 32-bit register cache\n");  in madera_runtime_resume()
345 	regcache_cache_only(madera->regmap_32bit, true);  in madera_runtime_resume()
346 	regcache_cache_only(madera->regmap, true);  in madera_runtime_resume()
347 	regulator_disable(madera->dcvdd);  in madera_runtime_resume()
356 	dev_dbg(madera->dev, "Entering sleep mode\n");  in madera_runtime_suspend()
358 	regcache_cache_only(madera->regmap, true);  in madera_runtime_suspend()
359 	regcache_mark_dirty(madera->regmap);  in madera_runtime_suspend()
360 	regcache_cache_only(madera->regmap_32bit, true);  in madera_runtime_suspend()
361 	regcache_mark_dirty(madera->regmap_32bit);  in madera_runtime_suspend()
363 	regulator_disable(madera->dcvdd);  in madera_runtime_suspend()
394 	if (madera->pdata.reset)  in madera_get_reset_gpio()
397 	reset = devm_gpiod_get_optional(madera->dev, "reset", GPIOD_OUT_LOW);  in madera_get_reset_gpio()
399 		return dev_err_probe(madera->dev, PTR_ERR(reset),  in madera_get_reset_gpio()
408 		dev_warn(madera->dev,  in madera_get_reset_gpio()
411 	madera->pdata.reset = reset;  in madera_get_reset_gpio()
422 	switch (madera->type) {  in madera_set_micbias_info()
424 		madera->num_micbias = 1;  in madera_set_micbias_info()
425 		madera->num_childbias[0] = 3;  in madera_set_micbias_info()
428 		madera->num_micbias = 2;  in madera_set_micbias_info()
429 		madera->num_childbias[0] = 2;  in madera_set_micbias_info()
430 		madera->num_childbias[1] = 2;  in madera_set_micbias_info()
434 		madera->num_micbias = 4;  in madera_set_micbias_info()
439 		madera->num_micbias = 2;  in madera_set_micbias_info()
440 		madera->num_childbias[0] = 4;  in madera_set_micbias_info()
441 		madera->num_childbias[1] = 4;  in madera_set_micbias_info()
446 		madera->num_micbias = 2;  in madera_set_micbias_info()
447 		madera->num_childbias[0] = 4;  in madera_set_micbias_info()
448 		madera->num_childbias[1] = 2;  in madera_set_micbias_info()
457 	struct device *dev = madera->dev;  in madera_dev_init()
464 	dev_set_drvdata(madera->dev, madera);  in madera_dev_init()
465 	BLOCKING_INIT_NOTIFIER_HEAD(&madera->notifier);  in madera_dev_init()
466 	mutex_init(&madera->dapm_ptr_lock);  in madera_dev_init()
474 	if (dev_get_platdata(madera->dev)) {  in madera_dev_init()
475 		memcpy(&madera->pdata, dev_get_platdata(madera->dev),  in madera_dev_init()
476 		       sizeof(madera->pdata));  in madera_dev_init()
479 	madera->mclk[MADERA_MCLK1].id = "mclk1";  in madera_dev_init()
480 	madera->mclk[MADERA_MCLK2].id = "mclk2";  in madera_dev_init()
481 	madera->mclk[MADERA_MCLK3].id = "mclk3";  in madera_dev_init()
483 	ret = devm_clk_bulk_get_optional(madera->dev, ARRAY_SIZE(madera->mclk),  in madera_dev_init()
484 					 madera->mclk);  in madera_dev_init()
486 		dev_err(madera->dev, "Failed to get clocks: %d\n", ret);  in madera_dev_init()
491 	if (!madera->mclk[MADERA_MCLK2].clk)  in madera_dev_init()
492 		dev_warn(madera->dev, "Missing MCLK2, requires 32kHz clock\n");  in madera_dev_init()
498 	regcache_cache_only(madera->regmap, true);  in madera_dev_init()
499 	regcache_cache_only(madera->regmap_32bit, true);  in madera_dev_init()
502 		madera->core_supplies[i].supply = madera_core_supplies[i];  in madera_dev_init()
504 	madera->num_core_supplies = ARRAY_SIZE(madera_core_supplies);  in madera_dev_init()
511 	switch (madera->type) {  in madera_dev_init()
513 		madera->reset_errata = true;  in madera_dev_init()
524 		ret = mfd_add_devices(madera->dev, PLATFORM_DEVID_NONE,  in madera_dev_init()
535 		dev_err(madera->dev, "Unknown device type %d\n", madera->type);  in madera_dev_init()
536 		return -ENODEV;  in madera_dev_init()
539 	ret = devm_regulator_bulk_get(dev, madera->num_core_supplies,  in madera_dev_init()
540 				      madera->core_supplies);  in madera_dev_init()
551 	madera->dcvdd = regulator_get(madera->dev, "DCVDD");  in madera_dev_init()
552 	if (IS_ERR(madera->dcvdd)) {  in madera_dev_init()
553 		ret = PTR_ERR(madera->dcvdd);  in madera_dev_init()
558 	ret = regulator_bulk_enable(madera->num_core_supplies,  in madera_dev_init()
559 				    madera->core_supplies);  in madera_dev_init()
565 	if (madera->reset_errata)  in madera_dev_init()
568 	ret = regulator_enable(madera->dcvdd);  in madera_dev_init()
574 	if (madera->reset_errata)  in madera_dev_init()
579 	regcache_cache_only(madera->regmap, false);  in madera_dev_init()
580 	regcache_cache_only(madera->regmap_32bit, false);  in madera_dev_init()
584 		dev_err(madera->dev, "Device failed initial boot: %d\n", ret);  in madera_dev_init()
592 	ret = regmap_read(madera->regmap, MADERA_SOFTWARE_RESET, &hwid);  in madera_dev_init()
601 			switch (madera->type) {  in madera_dev_init()
614 			switch (madera->type) {  in madera_dev_init()
627 			switch (madera->type) {  in madera_dev_init()
641 			switch (madera->type) {  in madera_dev_init()
655 			switch (madera->type) {  in madera_dev_init()
669 		dev_err(madera->dev, "Unknown device ID: %x\n", hwid);  in madera_dev_init()
670 		ret = -EINVAL;  in madera_dev_init()
675 		dev_err(madera->dev, "Device ID 0x%x not a %s\n", hwid,  in madera_dev_init()
676 			madera->type_name);  in madera_dev_init()
677 		ret = -ENODEV;  in madera_dev_init()
685 	if (!madera->pdata.reset || madera->reset_errata) {  in madera_dev_init()
693 		dev_err(madera->dev, "Failed to clear boot done: %d\n", ret);  in madera_dev_init()
697 	ret = regmap_read(madera->regmap, MADERA_HARDWARE_REVISION,  in madera_dev_init()
698 			  &madera->rev);  in madera_dev_init()
703 	madera->rev &= MADERA_HW_REVISION_MASK;  in madera_dev_init()
705 	dev_info(dev, "%s silicon revision %d\n", madera->type_name,  in madera_dev_init()
706 		 madera->rev);  in madera_dev_init()
712 			dev_err(madera->dev, "Failed to apply patch %d\n", ret);  in madera_dev_init()
718 	ret = clk_prepare_enable(madera->mclk[MADERA_MCLK2].clk);  in madera_dev_init()
720 		dev_err(madera->dev, "Failed to enable 32k clock: %d\n", ret);  in madera_dev_init()
724 	ret = regmap_update_bits(madera->regmap,  in madera_dev_init()
729 		dev_err(madera->dev, "Failed to init 32k clock: %d\n", ret);  in madera_dev_init()
733 	pm_runtime_set_active(madera->dev);  in madera_dev_init()
734 	pm_runtime_enable(madera->dev);  in madera_dev_init()
735 	pm_runtime_set_autosuspend_delay(madera->dev, 100);  in madera_dev_init()
736 	pm_runtime_use_autosuspend(madera->dev);  in madera_dev_init()
739 	ret = mfd_add_devices(madera->dev, PLATFORM_DEVID_NONE,  in madera_dev_init()
743 		dev_err(madera->dev, "Failed to add subdevices: %d\n", ret);  in madera_dev_init()
750 	pm_runtime_disable(madera->dev);  in madera_dev_init()
752 	clk_disable_unprepare(madera->mclk[MADERA_MCLK2].clk);  in madera_dev_init()
755 	regulator_disable(madera->dcvdd);  in madera_dev_init()
757 	regulator_bulk_disable(madera->num_core_supplies,  in madera_dev_init()
758 			       madera->core_supplies);  in madera_dev_init()
760 	regulator_put(madera->dcvdd);  in madera_dev_init()
771 	disable_irq(madera->irq);  in madera_dev_exit()
773 	pm_runtime_get_sync(madera->dev);  in madera_dev_exit()
775 	mfd_remove_devices(madera->dev);  in madera_dev_exit()
777 	pm_runtime_disable(madera->dev);  in madera_dev_exit()
779 	regulator_disable(madera->dcvdd);  in madera_dev_exit()
780 	regulator_put(madera->dcvdd);  in madera_dev_exit()
782 	mfd_remove_devices_late(madera->dev);  in madera_dev_exit()
784 	pm_runtime_set_suspended(madera->dev);  in madera_dev_exit()
785 	pm_runtime_put_noidle(madera->dev);  in madera_dev_exit()
787 	clk_disable_unprepare(madera->mclk[MADERA_MCLK2].clk);  in madera_dev_exit()
791 	regulator_bulk_disable(madera->num_core_supplies,  in madera_dev_exit()
792 			       madera->core_supplies);  in madera_dev_exit()