1 // SPDX-License-Identifier: GPL-2.0
3  * host.c - DesignWare USB3 DRD Controller Host Glue
5  * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com
16 #include "../host/xhci-plat.h"
27 	pdev = to_platform_device(hcd->self.controller);  in dwc3_xhci_plat_start()
28 	dwc = dev_get_drvdata(pdev->dev.parent);  in dwc3_xhci_plat_start()
40 	struct platform_device *pdev = to_platform_device(dwc->dev);  in dwc3_host_fill_xhci_irq_res()
41 	struct device_node *np = dev_of_node(&pdev->dev);  in dwc3_host_fill_xhci_irq_res()
43 	dwc->xhci_resources[1].start = irq;  in dwc3_host_fill_xhci_irq_res()
44 	dwc->xhci_resources[1].end = irq;  in dwc3_host_fill_xhci_irq_res()
45 	dwc->xhci_resources[1].flags = IORESOURCE_IRQ | irq_get_trigger_type(irq);  in dwc3_host_fill_xhci_irq_res()
47 		dwc->xhci_resources[1].name = of_node_full_name(pdev->dev.of_node);  in dwc3_host_fill_xhci_irq_res()
49 		dwc->xhci_resources[1].name = name;  in dwc3_host_fill_xhci_irq_res()
54 	struct platform_device	*dwc3_pdev = to_platform_device(dwc->dev);  in dwc3_host_get_irq()
63 	if (irq == -EPROBE_DEFER)  in dwc3_host_get_irq()
72 	if (irq == -EPROBE_DEFER)  in dwc3_host_get_irq()
94 	xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);  in dwc3_host_init()
96 		dev_err(dwc->dev, "couldn't allocate xHCI device\n");  in dwc3_host_init()
97 		return -ENOMEM;  in dwc3_host_init()
100 	xhci->dev.parent	= dwc->dev;  in dwc3_host_init()
102 	dwc->xhci = xhci;  in dwc3_host_init()
104 	ret = platform_device_add_resources(xhci, dwc->xhci_resources,  in dwc3_host_init()
107 		dev_err(dwc->dev, "couldn't add resources to xHCI device\n");  in dwc3_host_init()
113 	props[prop_idx++] = PROPERTY_ENTRY_BOOL("xhci-sg-trb-cache-size-quirk");  in dwc3_host_init()
115 	if (dwc->usb3_lpm_capable)  in dwc3_host_init()
116 		props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb3-lpm-capable");  in dwc3_host_init()
118 	if (dwc->usb2_lpm_disable)  in dwc3_host_init()
119 		props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb2-lpm-disable");  in dwc3_host_init()
131 		props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped");  in dwc3_host_init()
134 		ret = device_create_managed_software_node(&xhci->dev, props, NULL);  in dwc3_host_init()
136 			dev_err(dwc->dev, "failed to add properties to xHCI\n");  in dwc3_host_init()
148 		dev_err(dwc->dev, "failed to register xHCI device\n");  in dwc3_host_init()
152 	if (dwc->sys_wakeup) {  in dwc3_host_init()
154 		device_wakeup_enable(dwc->sysdev);  in dwc3_host_init()
157 		device_init_wakeup(&xhci->dev, true);  in dwc3_host_init()
168 	if (dwc->sys_wakeup)  in dwc3_host_exit()
169 		device_init_wakeup(&dwc->xhci->dev, false);  in dwc3_host_exit()
172 	platform_device_unregister(dwc->xhci);  in dwc3_host_exit()
173 	dwc->xhci = NULL;  in dwc3_host_exit()