1 // SPDX-License-Identifier: GPL-2.0
4  * Inspired by dwc3-of-simple.c
20 #include <linux/usb/of.h>
23 #include <linux/usb/hcd.h>
24 #include <linux/usb.h>
27 /* USB QSCRATCH Hardware registers */
122 	if (enable) {  in dwc3_qcom_vbus_override_enable()
123 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,  in dwc3_qcom_vbus_override_enable()
125 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,  in dwc3_qcom_vbus_override_enable()
128 		dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,  in dwc3_qcom_vbus_override_enable()
130 		dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,  in dwc3_qcom_vbus_override_enable()
142 	qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;  in dwc3_qcom_vbus_notifier()
154 	qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;  in dwc3_qcom_host_notifier()
161 	struct device		*dev = qcom->dev;  in dwc3_qcom_register_extcon()
165 	if (!of_property_read_bool(dev->of_node, "extcon"))  in dwc3_qcom_register_extcon()
168 	qcom->edev = extcon_get_edev_by_phandle(dev, 0);  in dwc3_qcom_register_extcon()
169 	if (IS_ERR(qcom->edev))  in dwc3_qcom_register_extcon()
170 		return PTR_ERR(qcom->edev);  in dwc3_qcom_register_extcon()
172 	qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier;  in dwc3_qcom_register_extcon()
174 	qcom->host_edev = extcon_get_edev_by_phandle(dev, 1);  in dwc3_qcom_register_extcon()
175 	if (IS_ERR(qcom->host_edev))  in dwc3_qcom_register_extcon()
176 		qcom->host_edev = NULL;  in dwc3_qcom_register_extcon()
178 	ret = devm_extcon_register_notifier(dev, qcom->edev, EXTCON_USB,  in dwc3_qcom_register_extcon()
179 					    &qcom->vbus_nb);  in dwc3_qcom_register_extcon()
180 	if (ret < 0) {  in dwc3_qcom_register_extcon()
185 	if (qcom->host_edev)  in dwc3_qcom_register_extcon()
186 		host_edev = qcom->host_edev;  in dwc3_qcom_register_extcon()
188 		host_edev = qcom->edev;  in dwc3_qcom_register_extcon()
190 	qcom->host_nb.notifier_call = dwc3_qcom_host_notifier;  in dwc3_qcom_register_extcon()
192 					    &qcom->host_nb);  in dwc3_qcom_register_extcon()
193 	if (ret < 0) {  in dwc3_qcom_register_extcon()
199 	if (extcon_get_state(qcom->edev, EXTCON_USB) ||  in dwc3_qcom_register_extcon()
201 		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, true, qcom->edev);  in dwc3_qcom_register_extcon()
203 		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, false, qcom->edev);  in dwc3_qcom_register_extcon()
212 	ret = icc_enable(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_enable()
213 	if (ret)  in dwc3_qcom_interconnect_enable()
216 	ret = icc_enable(qcom->icc_path_apps);  in dwc3_qcom_interconnect_enable()
217 	if (ret)  in dwc3_qcom_interconnect_enable()
218 		icc_disable(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_enable()
227 	ret = icc_disable(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_disable()
228 	if (ret)  in dwc3_qcom_interconnect_disable()
231 	ret = icc_disable(qcom->icc_path_apps);  in dwc3_qcom_interconnect_disable()
232 	if (ret)  in dwc3_qcom_interconnect_disable()
233 		icc_enable(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_disable()
239  * dwc3_qcom_interconnect_init() - Get interconnect path handles
241  * @qcom:			Pointer to the concerned usb core.
247 	struct device *dev = qcom->dev;  in dwc3_qcom_interconnect_init()
250 	if (has_acpi_companion(dev))  in dwc3_qcom_interconnect_init()
253 	qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");  in dwc3_qcom_interconnect_init()
254 	if (IS_ERR(qcom->icc_path_ddr)) {  in dwc3_qcom_interconnect_init()
255 		dev_err(dev, "failed to get usb-ddr path: %ld\n",  in dwc3_qcom_interconnect_init()
256 				PTR_ERR(qcom->icc_path_ddr));  in dwc3_qcom_interconnect_init()
257 		return PTR_ERR(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_init()
260 	qcom->icc_path_apps = of_icc_get(dev, "apps-usb");  in dwc3_qcom_interconnect_init()
261 	if (IS_ERR(qcom->icc_path_apps)) {  in dwc3_qcom_interconnect_init()
262 		dev_err(dev, "failed to get apps-usb path: %ld\n",  in dwc3_qcom_interconnect_init()
263 				PTR_ERR(qcom->icc_path_apps));  in dwc3_qcom_interconnect_init()
264 		return PTR_ERR(qcom->icc_path_apps);  in dwc3_qcom_interconnect_init()
267 	max_speed = usb_get_maximum_speed(&qcom->dwc3->dev);  in dwc3_qcom_interconnect_init()
268 	if (max_speed >= USB_SPEED_SUPER || max_speed == USB_SPEED_UNKNOWN) {  in dwc3_qcom_interconnect_init()
269 		ret = icc_set_bw(qcom->icc_path_ddr,  in dwc3_qcom_interconnect_init()
272 		ret = icc_set_bw(qcom->icc_path_ddr,  in dwc3_qcom_interconnect_init()
275 	if (ret) {  in dwc3_qcom_interconnect_init()
276 		dev_err(dev, "failed to set bandwidth for usb-ddr path: %d\n", ret);  in dwc3_qcom_interconnect_init()
280 	ret = icc_set_bw(qcom->icc_path_apps, APPS_USB_AVG_BW, APPS_USB_PEAK_BW);  in dwc3_qcom_interconnect_init()
281 	if (ret) {  in dwc3_qcom_interconnect_init()
282 		dev_err(dev, "failed to set bandwidth for apps-usb path: %d\n", ret);  in dwc3_qcom_interconnect_init()
290  * dwc3_qcom_interconnect_exit() - Release interconnect path handles
291  * @qcom:			Pointer to the concerned usb core.
297 	icc_put(qcom->icc_path_ddr);  in dwc3_qcom_interconnect_exit()
298 	icc_put(qcom->icc_path_apps);  in dwc3_qcom_interconnect_exit()
304 	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);  in dwc3_qcom_is_host()
306 	return dwc->xhci;  in dwc3_qcom_is_host()
311 	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);  in dwc3_qcom_read_usb2_speed()
318 	hcd = platform_get_drvdata(dwc->xhci);  in dwc3_qcom_read_usb2_speed()
327 	udev = usb_hub_find_child(hcd->self.root_hub, 1);  in dwc3_qcom_read_usb2_speed()
331 	if (!udev)  in dwc3_qcom_read_usb2_speed()
334 	return udev->speed;  in dwc3_qcom_read_usb2_speed()
339 	if (!irq)  in dwc3_qcom_enable_wakeup_irq()
342 	if (polarity)  in dwc3_qcom_enable_wakeup_irq()
351 	if (!irq)  in dwc3_qcom_disable_wakeup_irq()
360 	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);  in dwc3_qcom_disable_interrupts()
362 	if (qcom->usb2_speed == USB_SPEED_LOW) {  in dwc3_qcom_disable_interrupts()
363 		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
364 	} else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||  in dwc3_qcom_disable_interrupts()
365 			(qcom->usb2_speed == USB_SPEED_FULL)) {  in dwc3_qcom_disable_interrupts()
366 		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
368 		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
369 		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
372 	dwc3_qcom_disable_wakeup_irq(qcom->ss_phy_irq);  in dwc3_qcom_disable_interrupts()
377 	dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq, 0);  in dwc3_qcom_enable_interrupts()
381 	 * the root hub port. When HS/FS device is connected, configure the DP line  in dwc3_qcom_enable_interrupts()
385 	 * DP and DM lines as rising edge to detect HS/HS/LS device connect scenario.  in dwc3_qcom_enable_interrupts()
388 	if (qcom->usb2_speed == USB_SPEED_LOW) {  in dwc3_qcom_enable_interrupts()
389 		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq,  in dwc3_qcom_enable_interrupts()
391 	} else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||  in dwc3_qcom_enable_interrupts()
392 			(qcom->usb2_speed == USB_SPEED_FULL)) {  in dwc3_qcom_enable_interrupts()
393 		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq,  in dwc3_qcom_enable_interrupts()
396 		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq,  in dwc3_qcom_enable_interrupts()
398 		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq,  in dwc3_qcom_enable_interrupts()
402 	dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq, 0);  in dwc3_qcom_enable_interrupts()
410 	if (qcom->is_suspended)  in dwc3_qcom_suspend()
413 	val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG);  in dwc3_qcom_suspend()
414 	if (!(val & PWR_EVNT_LPM_IN_L2_MASK))  in dwc3_qcom_suspend()
415 		dev_err(qcom->dev, "HS-PHY not in L2\n");  in dwc3_qcom_suspend()
417 	for (i = qcom->num_clocks - 1; i >= 0; i--)  in dwc3_qcom_suspend()
418 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_suspend()
421 	if (ret)  in dwc3_qcom_suspend()
422 		dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret);  in dwc3_qcom_suspend()
428 	if (dwc3_qcom_is_host(qcom) && wakeup) {  in dwc3_qcom_suspend()
429 		qcom->usb2_speed = dwc3_qcom_read_usb2_speed(qcom);  in dwc3_qcom_suspend()
433 	qcom->is_suspended = true;  in dwc3_qcom_suspend()
443 	if (!qcom->is_suspended)  in dwc3_qcom_resume()
446 	if (dwc3_qcom_is_host(qcom) && wakeup)  in dwc3_qcom_resume()
449 	for (i = 0; i < qcom->num_clocks; i++) {  in dwc3_qcom_resume()
450 		ret = clk_prepare_enable(qcom->clks[i]);  in dwc3_qcom_resume()
451 		if (ret < 0) {  in dwc3_qcom_resume()
452 			while (--i >= 0)  in dwc3_qcom_resume()
453 				clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_resume()
459 	if (ret)  in dwc3_qcom_resume()
460 		dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret);  in dwc3_qcom_resume()
463 	dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG,  in dwc3_qcom_resume()
466 	qcom->is_suspended = false;  in dwc3_qcom_resume()
474 	struct dwc3	*dwc = platform_get_drvdata(qcom->dwc3);  in qcom_dwc3_resume_irq()
476 	/* If pm_suspended then let pm_resume take care of resuming h/w */  in qcom_dwc3_resume_irq()
477 	if (qcom->pm_suspended)  in qcom_dwc3_resume_irq()
484 	if (dwc3_qcom_is_host(qcom))  in qcom_dwc3_resume_irq()
485 		pm_runtime_resume(&dwc->xhci->dev);  in qcom_dwc3_resume_irq()
493 	dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
498 	dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
503 	dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
511 	struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev;  in dwc3_qcom_get_irq()
512 	struct device_node *np = pdev->dev.of_node;  in dwc3_qcom_get_irq()
515 	if (np)  in dwc3_qcom_get_irq()
526 	const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata;  in dwc3_qcom_setup_irq()
531 				pdata ? pdata->hs_phy_irq_index : -1);  in dwc3_qcom_setup_irq()
532 	if (irq > 0) {  in dwc3_qcom_setup_irq()
535 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
538 					"qcom_dwc3 HS", qcom);  in dwc3_qcom_setup_irq()
539 		if (ret) {  in dwc3_qcom_setup_irq()
540 			dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
543 		qcom->hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
547 				pdata ? pdata->dp_hs_phy_irq_index : -1);  in dwc3_qcom_setup_irq()
548 	if (irq > 0) {  in dwc3_qcom_setup_irq()
550 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
554 		if (ret) {  in dwc3_qcom_setup_irq()
555 			dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
558 		qcom->dp_hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
562 				pdata ? pdata->dm_hs_phy_irq_index : -1);  in dwc3_qcom_setup_irq()
563 	if (irq > 0) {  in dwc3_qcom_setup_irq()
565 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
569 		if (ret) {  in dwc3_qcom_setup_irq()
570 			dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
573 		qcom->dm_hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
577 				pdata ? pdata->ss_phy_irq_index : -1);  in dwc3_qcom_setup_irq()
578 	if (irq > 0) {  in dwc3_qcom_setup_irq()
580 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
584 		if (ret) {  in dwc3_qcom_setup_irq()
585 			dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
588 		qcom->ss_phy_irq = irq;  in dwc3_qcom_setup_irq()
596 	struct device		*dev = qcom->dev;  in dwc3_qcom_clk_init()
597 	struct device_node	*np = dev->of_node;  in dwc3_qcom_clk_init()
600 	if (!np || !count)  in dwc3_qcom_clk_init()
603 	if (count < 0)  in dwc3_qcom_clk_init()
606 	qcom->num_clocks = count;  in dwc3_qcom_clk_init()
608 	qcom->clks = devm_kcalloc(dev, qcom->num_clocks,  in dwc3_qcom_clk_init()
610 	if (!qcom->clks)  in dwc3_qcom_clk_init()
611 		return -ENOMEM;  in dwc3_qcom_clk_init()
613 	for (i = 0; i < qcom->num_clocks; i++) {  in dwc3_qcom_clk_init()
618 		if (IS_ERR(clk)) {  in dwc3_qcom_clk_init()
619 			while (--i >= 0)  in dwc3_qcom_clk_init()
620 				clk_put(qcom->clks[i]);  in dwc3_qcom_clk_init()
625 		if (ret < 0) {  in dwc3_qcom_clk_init()
626 			while (--i >= 0) {  in dwc3_qcom_clk_init()
627 				clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_clk_init()
628 				clk_put(qcom->clks[i]);  in dwc3_qcom_clk_init()
635 		qcom->clks[i] = clk;  in dwc3_qcom_clk_init()
653 	struct device		*dev = &pdev->dev;  in dwc3_qcom_acpi_register_core()
655 	struct platform_device	*pdev_irq = qcom->urs_usb ? qcom->urs_usb :  in dwc3_qcom_acpi_register_core()
660 	qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);  in dwc3_qcom_acpi_register_core()
661 	if (!qcom->dwc3)  in dwc3_qcom_acpi_register_core()
662 		return -ENOMEM;  in dwc3_qcom_acpi_register_core()
664 	qcom->dwc3->dev.parent = dev;  in dwc3_qcom_acpi_register_core()
665 	qcom->dwc3->dev.type = dev->type;  in dwc3_qcom_acpi_register_core()
666 	qcom->dwc3->dev.dma_mask = dev->dma_mask;  in dwc3_qcom_acpi_register_core()
667 	qcom->dwc3->dev.dma_parms = dev->dma_parms;  in dwc3_qcom_acpi_register_core()
668 	qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;  in dwc3_qcom_acpi_register_core()
671 	if (!child_res) {  in dwc3_qcom_acpi_register_core()
672 		platform_device_put(qcom->dwc3);  in dwc3_qcom_acpi_register_core()
673 		return -ENOMEM;  in dwc3_qcom_acpi_register_core()
677 	if (!res) {  in dwc3_qcom_acpi_register_core()
678 		dev_err(&pdev->dev, "failed to get memory resource\n");  in dwc3_qcom_acpi_register_core()
679 		ret = -ENODEV;  in dwc3_qcom_acpi_register_core()
683 	child_res[0].flags = res->flags;  in dwc3_qcom_acpi_register_core()
684 	child_res[0].start = res->start;  in dwc3_qcom_acpi_register_core()
686 		qcom->acpi_pdata->dwc3_core_base_size;  in dwc3_qcom_acpi_register_core()
689 	if (irq < 0) {  in dwc3_qcom_acpi_register_core()
696 	ret = platform_device_add_resources(qcom->dwc3, child_res, 2);  in dwc3_qcom_acpi_register_core()
697 	if (ret) {  in dwc3_qcom_acpi_register_core()
698 		dev_err(&pdev->dev, "failed to add resources\n");  in dwc3_qcom_acpi_register_core()
702 	ret = device_add_software_node(&qcom->dwc3->dev, &dwc3_qcom_swnode);  in dwc3_qcom_acpi_register_core()
703 	if (ret < 0) {  in dwc3_qcom_acpi_register_core()
704 		dev_err(&pdev->dev, "failed to add properties\n");  in dwc3_qcom_acpi_register_core()
708 	ret = platform_device_add(qcom->dwc3);  in dwc3_qcom_acpi_register_core()
709 	if (ret) {  in dwc3_qcom_acpi_register_core()
710 		dev_err(&pdev->dev, "failed to add device\n");  in dwc3_qcom_acpi_register_core()
711 		device_remove_software_node(&qcom->dwc3->dev);  in dwc3_qcom_acpi_register_core()
718 	platform_device_put(qcom->dwc3);  in dwc3_qcom_acpi_register_core()
726 	struct device_node	*np = pdev->dev.of_node, *dwc3_np;  in dwc3_qcom_of_register_core()
727 	struct device		*dev = &pdev->dev;  in dwc3_qcom_of_register_core()
731 	if (!dwc3_np) {  in dwc3_qcom_of_register_core()
733 		return -ENODEV;  in dwc3_qcom_of_register_core()
737 	if (ret) {  in dwc3_qcom_of_register_core()
738 		dev_err(dev, "failed to register dwc3 core - %d\n", ret);  in dwc3_qcom_of_register_core()
742 	qcom->dwc3 = of_find_device_by_node(dwc3_np);  in dwc3_qcom_of_register_core()
743 	if (!qcom->dwc3) {  in dwc3_qcom_of_register_core()
744 		ret = -ENODEV;  in dwc3_qcom_of_register_core()
764 	ret = sscanf(fwnode_get_name(dev->fwnode), "URS%d", &id);  in dwc3_qcom_create_urs_usb_platdev()
765 	if (!ret)  in dwc3_qcom_create_urs_usb_platdev()
769 	snprintf(name, sizeof(name), "USB%d", id);  in dwc3_qcom_create_urs_usb_platdev()
770 	fwh = fwnode_get_named_child_node(dev->fwnode, name);  in dwc3_qcom_create_urs_usb_platdev()
771 	if (!fwh)  in dwc3_qcom_create_urs_usb_platdev()
775 	if (!adev)  in dwc3_qcom_create_urs_usb_platdev()
783 	struct device_node	*np = pdev->dev.of_node;  in dwc3_qcom_probe()
784 	struct device		*dev = &pdev->dev;  in dwc3_qcom_probe()
791 	qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL);  in dwc3_qcom_probe()
792 	if (!qcom)  in dwc3_qcom_probe()
793 		return -ENOMEM;  in dwc3_qcom_probe()
796 	qcom->dev = &pdev->dev;  in dwc3_qcom_probe()
798 	if (has_acpi_companion(dev)) {  in dwc3_qcom_probe()
799 		qcom->acpi_pdata = acpi_device_get_match_data(dev);  in dwc3_qcom_probe()
800 		if (!qcom->acpi_pdata) {  in dwc3_qcom_probe()
801 			dev_err(&pdev->dev, "no supporting ACPI device data\n");  in dwc3_qcom_probe()
802 			return -EINVAL;  in dwc3_qcom_probe()
806 	qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);  in dwc3_qcom_probe()
807 	if (IS_ERR(qcom->resets)) {  in dwc3_qcom_probe()
808 		ret = PTR_ERR(qcom->resets);  in dwc3_qcom_probe()
809 		dev_err(&pdev->dev, "failed to get resets, err=%d\n", ret);  in dwc3_qcom_probe()
813 	ret = reset_control_assert(qcom->resets);  in dwc3_qcom_probe()
814 	if (ret) {  in dwc3_qcom_probe()
815 		dev_err(&pdev->dev, "failed to assert resets, err=%d\n", ret);  in dwc3_qcom_probe()
821 	ret = reset_control_deassert(qcom->resets);  in dwc3_qcom_probe()
822 	if (ret) {  in dwc3_qcom_probe()
823 		dev_err(&pdev->dev, "failed to deassert resets, err=%d\n", ret);  in dwc3_qcom_probe()
828 	if (ret) {  in dwc3_qcom_probe()
835 	if (np) {  in dwc3_qcom_probe()
839 		if (!parent_res)  in dwc3_qcom_probe()
840 			return -ENOMEM;  in dwc3_qcom_probe()
842 		parent_res->start = res->start +  in dwc3_qcom_probe()
843 			qcom->acpi_pdata->qscratch_base_offset;  in dwc3_qcom_probe()
844 		parent_res->end = parent_res->start +  in dwc3_qcom_probe()
845 			qcom->acpi_pdata->qscratch_base_size;  in dwc3_qcom_probe()
847 		if (qcom->acpi_pdata->is_urs) {  in dwc3_qcom_probe()
848 			qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev);  in dwc3_qcom_probe()
849 			if (IS_ERR_OR_NULL(qcom->urs_usb)) {  in dwc3_qcom_probe()
850 				dev_err(dev, "failed to create URS USB platdev\n");  in dwc3_qcom_probe()
851 				if (!qcom->urs_usb)  in dwc3_qcom_probe()
852 					return -ENODEV;  in dwc3_qcom_probe()
854 					return PTR_ERR(qcom->urs_usb);  in dwc3_qcom_probe()
859 	qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);  in dwc3_qcom_probe()
860 	if (IS_ERR(qcom->qscratch_base)) {  in dwc3_qcom_probe()
861 		ret = PTR_ERR(qcom->qscratch_base);  in dwc3_qcom_probe()
866 	if (ret) {  in dwc3_qcom_probe()
872 	 * Disable pipe_clk requirement if specified. Used when dwc3  in dwc3_qcom_probe()
873 	 * operates without SSPHY and only HS/FS/LS modes are supported.  in dwc3_qcom_probe()
876 				"qcom,select-utmi-as-pipe-clk");  in dwc3_qcom_probe()
877 	if (ignore_pipe_clk)  in dwc3_qcom_probe()
880 	if (np)  in dwc3_qcom_probe()
885 	if (ret) {  in dwc3_qcom_probe()
891 	if (ret)  in dwc3_qcom_probe()
894 	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);  in dwc3_qcom_probe()
897 	if (qcom->mode == USB_DR_MODE_PERIPHERAL)  in dwc3_qcom_probe()
902 	if (ret)  in dwc3_qcom_probe()
905 	wakeup_source = of_property_read_bool(dev->of_node, "wakeup-source");  in dwc3_qcom_probe()
906 	device_init_wakeup(&pdev->dev, wakeup_source);  in dwc3_qcom_probe()
907 	device_init_wakeup(&qcom->dwc3->dev, wakeup_source);  in dwc3_qcom_probe()
909 	qcom->is_suspended = false;  in dwc3_qcom_probe()
919 	if (np)  in dwc3_qcom_probe()
920 		of_platform_depopulate(&pdev->dev);  in dwc3_qcom_probe()
924 	for (i = qcom->num_clocks - 1; i >= 0; i--) {  in dwc3_qcom_probe()
925 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_probe()
926 		clk_put(qcom->clks[i]);  in dwc3_qcom_probe()
929 	reset_control_assert(qcom->resets);  in dwc3_qcom_probe()
937 	struct device *dev = &pdev->dev;  in dwc3_qcom_remove()
940 	device_remove_software_node(&qcom->dwc3->dev);  in dwc3_qcom_remove()
943 	for (i = qcom->num_clocks - 1; i >= 0; i--) {  in dwc3_qcom_remove()
944 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_remove()
945 		clk_put(qcom->clks[i]);  in dwc3_qcom_remove()
947 	qcom->num_clocks = 0;  in dwc3_qcom_remove()
950 	reset_control_assert(qcom->resets);  in dwc3_qcom_remove()
965 	if (ret)  in dwc3_qcom_pm_suspend()
968 	qcom->pm_suspended = true;  in dwc3_qcom_pm_suspend()
980 	if (ret)  in dwc3_qcom_pm_resume()
983 	qcom->pm_suspended = false;  in dwc3_qcom_pm_resume()
1050 		.name	= "dwc3-qcom",