1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Allwinner sun4i USB phy driver
5  * Copyright (C) 2014-2015 Hans de Goede <hdegoede@redhat.com>
18 #include <linux/extcon-provider.h>
29 #include <linux/phy/phy.h>
30 #include <linux/phy/phy-sun4i-usb.h>
36 #include <linux/usb/of.h>
60 /* sunxi has the phy id/vbus pins not connected, so we use the force bits */
72 /* Private Control Bits for Each PHY */
131 		struct phy *phy;  member
156 #define to_sun4i_usb_phy_data(phy) \  argument
157 	container_of((phy), struct sun4i_usb_phy_data, phys[(phy)->index])
159 static void sun4i_usb_phy0_update_iscr(struct phy *_phy, u32 clr, u32 set)  in sun4i_usb_phy0_update_iscr()
161 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy0_update_iscr()  local
162 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy0_update_iscr()
165 	iscr = readl(data->base + REG_ISCR);  in sun4i_usb_phy0_update_iscr()
168 	writel(iscr, data->base + REG_ISCR);  in sun4i_usb_phy0_update_iscr()
171 static void sun4i_usb_phy0_set_id_detect(struct phy *phy, u32 val)  in sun4i_usb_phy0_set_id_detect()  argument
178 	sun4i_usb_phy0_update_iscr(phy, ISCR_FORCE_ID_MASK, val);  in sun4i_usb_phy0_set_id_detect()
181 static void sun4i_usb_phy0_set_vbus_detect(struct phy *phy, u32 val)  in sun4i_usb_phy0_set_vbus_detect()  argument
188 	sun4i_usb_phy0_update_iscr(phy, ISCR_FORCE_VBUS_MASK, val);  in sun4i_usb_phy0_set_vbus_detect()
191 static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,  in sun4i_usb_phy_write()  argument
194 	struct sun4i_usb_phy_data *phy_data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_write()
195 	u32 temp, usbc_bit = BIT(phy->index * 2);  in sun4i_usb_phy_write()
196 	void __iomem *phyctl = phy_data->base + phy_data->cfg->phyctl_offset;  in sun4i_usb_phy_write()
200 	spin_lock_irqsave(&phy_data->reg_lock, flags);  in sun4i_usb_phy_write()
202 	if (phy_data->cfg->phyctl_offset == REG_PHYCTL_A33) {  in sun4i_usb_phy_write()
238 	spin_unlock_irqrestore(&phy_data->reg_lock, flags);  in sun4i_usb_phy_write()
241 static void sun4i_usb_phy_passby(struct sun4i_usb_phy *phy, int enable)  in sun4i_usb_phy_passby()  argument
243 	struct sun4i_usb_phy_data *phy_data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_passby()
246 	if (!phy->pmu)  in sun4i_usb_phy_passby()
253 	if (phy_data->cfg->type == sun8i_a83t_phy && phy->index == 2)  in sun4i_usb_phy_passby()
257 	reg_value = readl(phy->pmu);  in sun4i_usb_phy_passby()
264 	writel(reg_value, phy->pmu);  in sun4i_usb_phy_passby()
267 static int sun4i_usb_phy_init(struct phy *_phy)  in sun4i_usb_phy_init()
269 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_init()  local
270 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_init()
274 	ret = clk_prepare_enable(phy->clk);  in sun4i_usb_phy_init()
278 	ret = clk_prepare_enable(phy->clk2);  in sun4i_usb_phy_init()
280 		clk_disable_unprepare(phy->clk);  in sun4i_usb_phy_init()
284 	ret = reset_control_deassert(phy->reset);  in sun4i_usb_phy_init()
286 		clk_disable_unprepare(phy->clk2);  in sun4i_usb_phy_init()
287 		clk_disable_unprepare(phy->clk);  in sun4i_usb_phy_init()
291 	if (data->cfg->type == sun8i_a83t_phy ||  in sun4i_usb_phy_init()
292 	    data->cfg->type == sun50i_h6_phy) {  in sun4i_usb_phy_init()
293 		if (phy->index == 0) {  in sun4i_usb_phy_init()
294 			val = readl(data->base + data->cfg->phyctl_offset);  in sun4i_usb_phy_init()
297 			writel(val, data->base + data->cfg->phyctl_offset);  in sun4i_usb_phy_init()
300 		if (phy->pmu && data->cfg->enable_pmu_unk1) {  in sun4i_usb_phy_init()
301 			val = readl(phy->pmu + REG_PMU_UNK1);  in sun4i_usb_phy_init()
302 			writel(val & ~2, phy->pmu + REG_PMU_UNK1);  in sun4i_usb_phy_init()
305 		/* Enable USB 45 Ohm resistor calibration */  in sun4i_usb_phy_init()
306 		if (phy->index == 0)  in sun4i_usb_phy_init()
307 			sun4i_usb_phy_write(phy, PHY_RES45_CAL_EN, 0x01, 1);  in sun4i_usb_phy_init()
309 		/* Adjust PHY's magnitude and rate */  in sun4i_usb_phy_init()
310 		sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE, 0x14, 5);  in sun4i_usb_phy_init()
313 		sun4i_usb_phy_write(phy, PHY_DISCON_TH_SEL,  in sun4i_usb_phy_init()
314 				    data->cfg->disc_thresh, 2);  in sun4i_usb_phy_init()
317 	sun4i_usb_phy_passby(phy, 1);  in sun4i_usb_phy_init()
319 	if (phy->index == 0) {  in sun4i_usb_phy_init()
320 		data->phy0_init = true;  in sun4i_usb_phy_init()
322 		/* Enable pull-ups */  in sun4i_usb_phy_init()
327 		data->id_det = -1;  in sun4i_usb_phy_init()
328 		data->vbus_det = -1;  in sun4i_usb_phy_init()
329 		queue_delayed_work(system_wq, &data->detect, 0);  in sun4i_usb_phy_init()
335 static int sun4i_usb_phy_exit(struct phy *_phy)  in sun4i_usb_phy_exit()
337 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_exit()  local
338 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_exit()
340 	if (phy->index == 0) {  in sun4i_usb_phy_exit()
341 		if (data->cfg->type == sun8i_a83t_phy ||  in sun4i_usb_phy_exit()
342 		    data->cfg->type == sun50i_h6_phy) {  in sun4i_usb_phy_exit()
343 			void __iomem *phyctl = data->base +  in sun4i_usb_phy_exit()
344 				data->cfg->phyctl_offset;  in sun4i_usb_phy_exit()
349 		/* Disable pull-ups */  in sun4i_usb_phy_exit()
352 		data->phy0_init = false;  in sun4i_usb_phy_exit()
355 	sun4i_usb_phy_passby(phy, 0);  in sun4i_usb_phy_exit()
356 	reset_control_assert(phy->reset);  in sun4i_usb_phy_exit()
357 	clk_disable_unprepare(phy->clk2);  in sun4i_usb_phy_exit()
358 	clk_disable_unprepare(phy->clk);  in sun4i_usb_phy_exit()
365 	switch (data->dr_mode) {  in sun4i_usb_phy0_get_id_det()
367 		if (data->id_det_gpio)  in sun4i_usb_phy0_get_id_det()
368 			return gpiod_get_value_cansleep(data->id_det_gpio);  in sun4i_usb_phy0_get_id_det()
381 	if (data->vbus_det_gpio)  in sun4i_usb_phy0_get_vbus_det()
382 		return gpiod_get_value_cansleep(data->vbus_det_gpio);  in sun4i_usb_phy0_get_vbus_det()
384 	if (data->vbus_power_supply) {  in sun4i_usb_phy0_get_vbus_det()
388 		r = power_supply_get_property(data->vbus_power_supply,  in sun4i_usb_phy0_get_vbus_det()
400 	return data->vbus_det_gpio || data->vbus_power_supply;  in sun4i_usb_phy0_have_vbus_det()
405 	if ((data->id_det_gpio && data->id_det_irq <= 0) ||  in sun4i_usb_phy0_poll()
406 	    (data->vbus_det_gpio && data->vbus_det_irq <= 0))  in sun4i_usb_phy0_poll()
413 	 * when using the pmic for vbus-det _and_ we're driving vbus.  in sun4i_usb_phy0_poll()
415 	if ((data->cfg->type == sun6i_a31_phy ||  in sun4i_usb_phy0_poll()
416 	     data->cfg->type == sun8i_a33_phy) &&  in sun4i_usb_phy0_poll()
417 	    data->vbus_power_supply && data->phys[0].regulator_on)  in sun4i_usb_phy0_poll()
423 static int sun4i_usb_phy_power_on(struct phy *_phy)  in sun4i_usb_phy_power_on()
425 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_power_on()  local
426 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_power_on()
429 	if (!phy->vbus || phy->regulator_on)  in sun4i_usb_phy_power_on()
433 	if (phy->index == 0 && sun4i_usb_phy0_have_vbus_det(data) &&  in sun4i_usb_phy_power_on()
434 				data->vbus_det) {  in sun4i_usb_phy_power_on()
435 		dev_warn(&_phy->dev, "External vbus detected, not enabling our own vbus\n");  in sun4i_usb_phy_power_on()
439 	ret = regulator_enable(phy->vbus);  in sun4i_usb_phy_power_on()
443 	phy->regulator_on = true;  in sun4i_usb_phy_power_on()
446 	if (phy->index == 0 && sun4i_usb_phy0_poll(data))  in sun4i_usb_phy_power_on()
447 		mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);  in sun4i_usb_phy_power_on()
452 static int sun4i_usb_phy_power_off(struct phy *_phy)  in sun4i_usb_phy_power_off()
454 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_power_off()  local
455 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_power_off()
457 	if (!phy->vbus || !phy->regulator_on)  in sun4i_usb_phy_power_off()
460 	regulator_disable(phy->vbus);  in sun4i_usb_phy_power_off()
461 	phy->regulator_on = false;  in sun4i_usb_phy_power_off()
467 	if (phy->index == 0 && !sun4i_usb_phy0_poll(data))  in sun4i_usb_phy_power_off()
468 		mod_delayed_work(system_wq, &data->detect, POLL_TIME);  in sun4i_usb_phy_power_off()
473 static int sun4i_usb_phy_set_mode(struct phy *_phy,  in sun4i_usb_phy_set_mode()
476 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_set_mode()  local
477 	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);  in sun4i_usb_phy_set_mode()
480 	if (phy->index != 0) {  in sun4i_usb_phy_set_mode()
483 		return -EINVAL;  in sun4i_usb_phy_set_mode()
497 		return -EINVAL;  in sun4i_usb_phy_set_mode()
500 	if (new_mode != data->dr_mode) {  in sun4i_usb_phy_set_mode()
501 		dev_info(&_phy->dev, "Changing dr_mode to %d\n", new_mode);  in sun4i_usb_phy_set_mode()
502 		data->dr_mode = new_mode;  in sun4i_usb_phy_set_mode()
505 	data->id_det = -1; /* Force reprocessing of id */  in sun4i_usb_phy_set_mode()
506 	data->force_session_end = true;  in sun4i_usb_phy_set_mode()
507 	queue_delayed_work(system_wq, &data->detect, 0);  in sun4i_usb_phy_set_mode()
512 void sun4i_usb_phy_set_squelch_detect(struct phy *_phy, bool enabled)  in sun4i_usb_phy_set_squelch_detect()
514 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);  in sun4i_usb_phy_set_squelch_detect()  local
516 	sun4i_usb_phy_write(phy, PHY_SQUELCH_DETECT, enabled ? 0 : 2, 2);  in sun4i_usb_phy_set_squelch_detect()
533 	regval = readl(data->base + REG_PHY_OTGCTL);  in sun4i_usb_phy0_reroute()
541 	writel(regval, data->base + REG_PHY_OTGCTL);  in sun4i_usb_phy0_reroute()
548 	struct phy *phy0 = data->phys[0].phy;  in sun4i_usb_phy0_id_vbus_det_scan()
549 	struct sun4i_usb_phy *phy;  in sun4i_usb_phy0_id_vbus_det_scan()  local
556 	phy = phy_get_drvdata(phy0);  in sun4i_usb_phy0_id_vbus_det_scan()
560 	mutex_lock(&phy0->mutex);  in sun4i_usb_phy0_id_vbus_det_scan()
562 	if (!data->phy0_init) {  in sun4i_usb_phy0_id_vbus_det_scan()
563 		mutex_unlock(&phy0->mutex);  in sun4i_usb_phy0_id_vbus_det_scan()
567 	force_session_end = data->force_session_end;  in sun4i_usb_phy0_id_vbus_det_scan()
568 	data->force_session_end = false;  in sun4i_usb_phy0_id_vbus_det_scan()
570 	if (id_det != data->id_det) {  in sun4i_usb_phy0_id_vbus_det_scan()
571 		/* id-change, force session end if we've no vbus detection */  in sun4i_usb_phy0_id_vbus_det_scan()
572 		if (data->dr_mode == USB_DR_MODE_OTG &&  in sun4i_usb_phy0_id_vbus_det_scan()
583 		data->id_det = id_det;  in sun4i_usb_phy0_id_vbus_det_scan()
587 	if (vbus_det != data->vbus_det) {  in sun4i_usb_phy0_id_vbus_det_scan()
589 		data->vbus_det = vbus_det;  in sun4i_usb_phy0_id_vbus_det_scan()
593 	mutex_unlock(&phy0->mutex);  in sun4i_usb_phy0_id_vbus_det_scan()
596 		extcon_set_state_sync(data->extcon, EXTCON_USB_HOST,  in sun4i_usb_phy0_id_vbus_det_scan()
600 			mutex_lock(&phy0->mutex);  in sun4i_usb_phy0_id_vbus_det_scan()
604 			mutex_unlock(&phy0->mutex);  in sun4i_usb_phy0_id_vbus_det_scan()
608 		sun4i_usb_phy_passby(phy, !id_det);  in sun4i_usb_phy0_id_vbus_det_scan()
610 		/* Re-route PHY0 if necessary */  in sun4i_usb_phy0_id_vbus_det_scan()
611 		if (data->cfg->phy0_dual_route)  in sun4i_usb_phy0_id_vbus_det_scan()
616 		extcon_set_state_sync(data->extcon, EXTCON_USB, vbus_det);  in sun4i_usb_phy0_id_vbus_det_scan()
619 		queue_delayed_work(system_wq, &data->detect, POLL_TIME);  in sun4i_usb_phy0_id_vbus_det_scan()
627 	mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);  in sun4i_usb_phy0_id_vbus_det_irq()
640 	if (val == PSY_EVENT_PROP_CHANGED && psy == data->vbus_power_supply)  in sun4i_usb_phy0_vbus_notify()
641 		mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);  in sun4i_usb_phy0_vbus_notify()
646 static struct phy *sun4i_usb_phy_xlate(struct device *dev,  in sun4i_usb_phy_xlate()
651 	if (args->args[0] >= data->cfg->num_phys)  in sun4i_usb_phy_xlate()
652 		return ERR_PTR(-ENODEV);  in sun4i_usb_phy_xlate()
654 	if (data->cfg->missing_phys & BIT(args->args[0]))  in sun4i_usb_phy_xlate()
655 		return ERR_PTR(-ENODEV);  in sun4i_usb_phy_xlate()
657 	return data->phys[args->args[0]].phy;  in sun4i_usb_phy_xlate()
662 	struct device *dev = &pdev->dev;  in sun4i_usb_phy_remove()
665 	if (data->vbus_power_nb_registered)  in sun4i_usb_phy_remove()
666 		power_supply_unreg_notifier(&data->vbus_power_nb);  in sun4i_usb_phy_remove()
667 	if (data->id_det_irq > 0)  in sun4i_usb_phy_remove()
668 		devm_free_irq(dev, data->id_det_irq, data);  in sun4i_usb_phy_remove()
669 	if (data->vbus_det_irq > 0)  in sun4i_usb_phy_remove()
670 		devm_free_irq(dev, data->vbus_det_irq, data);  in sun4i_usb_phy_remove()
672 	cancel_delayed_work_sync(&data->detect);  in sun4i_usb_phy_remove()
686 	struct device *dev = &pdev->dev;  in sun4i_usb_phy_probe()
687 	struct device_node *np = dev->of_node;  in sun4i_usb_phy_probe()
694 		return -ENOMEM;  in sun4i_usb_phy_probe()
696 	spin_lock_init(&data->reg_lock);  in sun4i_usb_phy_probe()
697 	INIT_DELAYED_WORK(&data->detect, sun4i_usb_phy0_id_vbus_det_scan);  in sun4i_usb_phy_probe()
699 	data->cfg = of_device_get_match_data(dev);  in sun4i_usb_phy_probe()
700 	if (!data->cfg)  in sun4i_usb_phy_probe()
701 		return -EINVAL;  in sun4i_usb_phy_probe()
704 	data->base = devm_ioremap_resource(dev, res);  in sun4i_usb_phy_probe()
705 	if (IS_ERR(data->base))  in sun4i_usb_phy_probe()
706 		return PTR_ERR(data->base);  in sun4i_usb_phy_probe()
708 	data->id_det_gpio = devm_gpiod_get_optional(dev, "usb0_id_det",  in sun4i_usb_phy_probe()
710 	if (IS_ERR(data->id_det_gpio)) {  in sun4i_usb_phy_probe()
712 		return PTR_ERR(data->id_det_gpio);  in sun4i_usb_phy_probe()
715 	data->vbus_det_gpio = devm_gpiod_get_optional(dev, "usb0_vbus_det",  in sun4i_usb_phy_probe()
717 	if (IS_ERR(data->vbus_det_gpio)) {  in sun4i_usb_phy_probe()
719 		return PTR_ERR(data->vbus_det_gpio);  in sun4i_usb_phy_probe()
722 	if (of_find_property(np, "usb0_vbus_power-supply", NULL)) {  in sun4i_usb_phy_probe()
723 		data->vbus_power_supply = devm_power_supply_get_by_phandle(dev,  in sun4i_usb_phy_probe()
724 						     "usb0_vbus_power-supply");  in sun4i_usb_phy_probe()
725 		if (IS_ERR(data->vbus_power_supply)) {  in sun4i_usb_phy_probe()
727 			return PTR_ERR(data->vbus_power_supply);  in sun4i_usb_phy_probe()
730 		if (!data->vbus_power_supply)  in sun4i_usb_phy_probe()
731 			return -EPROBE_DEFER;  in sun4i_usb_phy_probe()
734 	data->dr_mode = of_usb_get_dr_mode_by_phy(np, 0);  in sun4i_usb_phy_probe()
736 	data->extcon = devm_extcon_dev_allocate(dev, sun4i_usb_phy0_cable);  in sun4i_usb_phy_probe()
737 	if (IS_ERR(data->extcon)) {  in sun4i_usb_phy_probe()
739 		return PTR_ERR(data->extcon);  in sun4i_usb_phy_probe()
742 	ret = devm_extcon_dev_register(dev, data->extcon);  in sun4i_usb_phy_probe()
748 	for (i = 0; i < data->cfg->num_phys; i++) {  in sun4i_usb_phy_probe()
749 		struct sun4i_usb_phy *phy = data->phys + i;  in sun4i_usb_phy_probe()  local
752 		if (data->cfg->missing_phys & BIT(i))  in sun4i_usb_phy_probe()
755 		snprintf(name, sizeof(name), "usb%d_vbus", i);  in sun4i_usb_phy_probe()
756 		phy->vbus = devm_regulator_get_optional(dev, name);  in sun4i_usb_phy_probe()
757 		if (IS_ERR(phy->vbus)) {  in sun4i_usb_phy_probe()
758 			if (PTR_ERR(phy->vbus) == -EPROBE_DEFER) {  in sun4i_usb_phy_probe()
762 				return -EPROBE_DEFER;  in sun4i_usb_phy_probe()
765 			phy->vbus = NULL;  in sun4i_usb_phy_probe()
768 		if (data->cfg->dedicated_clocks)  in sun4i_usb_phy_probe()
769 			snprintf(name, sizeof(name), "usb%d_phy", i);  in sun4i_usb_phy_probe()
773 		phy->clk = devm_clk_get(dev, name);  in sun4i_usb_phy_probe()
774 		if (IS_ERR(phy->clk)) {  in sun4i_usb_phy_probe()
776 			return PTR_ERR(phy->clk);  in sun4i_usb_phy_probe()
779 		/* The first PHY is always tied to OTG, and never HSIC */  in sun4i_usb_phy_probe()
780 		if (data->cfg->hsic_index && i == data->cfg->hsic_index) {  in sun4i_usb_phy_probe()
782 			snprintf(name, sizeof(name), "usb%d_hsic_12M", i);  in sun4i_usb_phy_probe()
783 			phy->clk2 = devm_clk_get(dev, name);  in sun4i_usb_phy_probe()
784 			if (IS_ERR(phy->clk2)) {  in sun4i_usb_phy_probe()
786 				return PTR_ERR(phy->clk2);  in sun4i_usb_phy_probe()
790 		snprintf(name, sizeof(name), "usb%d_reset", i);  in sun4i_usb_phy_probe()
791 		phy->reset = devm_reset_control_get(dev, name);  in sun4i_usb_phy_probe()
792 		if (IS_ERR(phy->reset)) {  in sun4i_usb_phy_probe()
794 			return PTR_ERR(phy->reset);  in sun4i_usb_phy_probe()
797 		if (i || data->cfg->phy0_dual_route) { /* No pmu for musb */  in sun4i_usb_phy_probe()
801 			phy->pmu = devm_ioremap_resource(dev, res);  in sun4i_usb_phy_probe()
802 			if (IS_ERR(phy->pmu))  in sun4i_usb_phy_probe()
803 				return PTR_ERR(phy->pmu);  in sun4i_usb_phy_probe()
806 		phy->phy = devm_phy_create(dev, NULL, &sun4i_usb_phy_ops);  in sun4i_usb_phy_probe()
807 		if (IS_ERR(phy->phy)) {  in sun4i_usb_phy_probe()
808 			dev_err(dev, "failed to create PHY %d\n", i);  in sun4i_usb_phy_probe()
809 			return PTR_ERR(phy->phy);  in sun4i_usb_phy_probe()
812 		phy->index = i;  in sun4i_usb_phy_probe()
813 		phy_set_drvdata(phy->phy, &data->phys[i]);  in sun4i_usb_phy_probe()
816 	data->id_det_irq = gpiod_to_irq(data->id_det_gpio);  in sun4i_usb_phy_probe()
817 	if (data->id_det_irq > 0) {  in sun4i_usb_phy_probe()
818 		ret = devm_request_irq(dev, data->id_det_irq,  in sun4i_usb_phy_probe()
821 				"usb0-id-det", data);  in sun4i_usb_phy_probe()
823 			dev_err(dev, "Err requesting id-det-irq: %d\n", ret);  in sun4i_usb_phy_probe()
828 	data->vbus_det_irq = gpiod_to_irq(data->vbus_det_gpio);  in sun4i_usb_phy_probe()
829 	if (data->vbus_det_irq > 0) {  in sun4i_usb_phy_probe()
830 		ret = devm_request_irq(dev, data->vbus_det_irq,  in sun4i_usb_phy_probe()
833 				"usb0-vbus-det", data);  in sun4i_usb_phy_probe()
835 			dev_err(dev, "Err requesting vbus-det-irq: %d\n", ret);  in sun4i_usb_phy_probe()
836 			data->vbus_det_irq = -1;  in sun4i_usb_phy_probe()
842 	if (data->vbus_power_supply) {  in sun4i_usb_phy_probe()
843 		data->vbus_power_nb.notifier_call = sun4i_usb_phy0_vbus_notify;  in sun4i_usb_phy_probe()
844 		data->vbus_power_nb.priority = 0;  in sun4i_usb_phy_probe()
845 		ret = power_supply_reg_notifier(&data->vbus_power_nb);  in sun4i_usb_phy_probe()
850 		data->vbus_power_nb_registered = true;  in sun4i_usb_phy_probe()
978 	{ .compatible = "allwinner,sun4i-a10-usb-phy", .data = &sun4i_a10_cfg },
979 	{ .compatible = "allwinner,sun5i-a13-usb-phy", .data = &sun5i_a13_cfg },
980 	{ .compatible = "allwinner,sun6i-a31-usb-phy", .data = &sun6i_a31_cfg },
981 	{ .compatible = "allwinner,sun7i-a20-usb-phy", .data = &sun7i_a20_cfg },
982 	{ .compatible = "allwinner,sun8i-a23-usb-phy", .data = &sun8i_a23_cfg },
983 	{ .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg },
984 	{ .compatible = "allwinner,sun8i-a83t-usb-phy", .data = &sun8i_a83t_cfg },
985 	{ .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg },
986 	{ .compatible = "allwinner,sun8i-r40-usb-phy", .data = &sun8i_r40_cfg },
987 	{ .compatible = "allwinner,sun8i-v3s-usb-phy", .data = &sun8i_v3s_cfg },
988 	{ .compatible = "allwinner,sun50i-a64-usb-phy",
990 	{ .compatible = "allwinner,sun50i-h6-usb-phy", .data = &sun50i_h6_cfg },
1000 		.name  = "sun4i-usb-phy",
1005 MODULE_DESCRIPTION("Allwinner sun4i USB phy driver");