1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3  * pci.c - DesignWare HS OTG Controller PCI driver
5  * Copyright (C) 2004-2013 Synopsys, Inc.
9  * Provides the initialization and cleanup entry points for the DWC_otg PCI
19 #include <linux/pci.h>
29 static const char dwc2_driver_name[] = "dwc2-pci";
33 	struct platform_device *phy;  member
37  * dwc2_pci_remove() - Provides the cleanup entry points for the DWC_otg PCI
40  * @pci: The programming view of DWC_otg PCI
42 static void dwc2_pci_remove(struct pci_dev *pci)  in dwc2_pci_remove()  argument
44 	struct dwc2_pci_glue *glue = pci_get_drvdata(pci);  in dwc2_pci_remove()
46 	platform_device_unregister(glue->dwc2);  in dwc2_pci_remove()
47 	usb_phy_generic_unregister(glue->phy);  in dwc2_pci_remove()
48 	pci_set_drvdata(pci, NULL);  in dwc2_pci_remove()
51 static int dwc2_pci_probe(struct pci_dev *pci,  in dwc2_pci_probe()  argument
56 	struct platform_device	*phy;  in dwc2_pci_probe()  local
58 	struct device		*dev = &pci->dev;  in dwc2_pci_probe()
61 	ret = pcim_enable_device(pci);  in dwc2_pci_probe()
63 		dev_err(dev, "failed to enable pci device\n");  in dwc2_pci_probe()
64 		return -ENODEV;  in dwc2_pci_probe()
67 	pci_set_master(pci);  in dwc2_pci_probe()
69 	phy = usb_phy_generic_register();  in dwc2_pci_probe()
70 	if (IS_ERR(phy)) {  in dwc2_pci_probe()
71 		dev_err(dev, "error registering generic PHY (%ld)\n",  in dwc2_pci_probe()
72 			PTR_ERR(phy));  in dwc2_pci_probe()
73 		return PTR_ERR(phy);  in dwc2_pci_probe()
79 		ret = -ENOMEM;  in dwc2_pci_probe()
85 	res[0].start	= pci_resource_start(pci, 0);  in dwc2_pci_probe()
86 	res[0].end	= pci_resource_end(pci, 0);  in dwc2_pci_probe()
90 	res[1].start	= pci->irq;  in dwc2_pci_probe()
100 	dwc2->dev.parent = dev;  in dwc2_pci_probe()
104 		ret = -ENOMEM;  in dwc2_pci_probe()
114 	glue->phy = phy;  in dwc2_pci_probe()
115 	glue->dwc2 = dwc2;  in dwc2_pci_probe()
116 	pci_set_drvdata(pci, glue);  in dwc2_pci_probe()
120 	usb_phy_generic_unregister(phy);  in dwc2_pci_probe()
135 MODULE_DEVICE_TABLE(pci, dwc2_pci_ids);
146 MODULE_DESCRIPTION("DESIGNWARE HS OTG PCI Bus Glue");