2 * host.c - DesignWare USB3 DRD Controller Host Glue
4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 of
10 * the License as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #include <linux/platform_device.h>
19 #include <linux/usb/xhci_pdriver.h>
23 int dwc3_host_init(struct dwc3 *dwc)
25 struct platform_device *xhci;
26 struct usb_xhci_pdata pdata;
29 xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
31 dev_err(dwc->dev, "couldn't allocate xHCI device\n");
36 dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
38 xhci->dev.parent = dwc->dev;
39 xhci->dev.dma_mask = dwc->dev->dma_mask;
40 xhci->dev.dma_parms = dwc->dev->dma_parms;
44 ret = platform_device_add_resources(xhci, dwc->xhci_resources,
45 DWC3_XHCI_RESOURCES_NUM);
47 dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
51 memset(&pdata, 0, sizeof(pdata));
53 #ifdef CONFIG_DWC3_HOST_USB3_LPM_ENABLE
54 pdata.usb3_lpm_capable = 1;
57 ret = platform_device_add_data(xhci, &pdata, sizeof(pdata));
59 dev_err(dwc->dev, "couldn't add platform data to xHCI device\n");
63 ret = platform_device_add(xhci);
65 dev_err(dwc->dev, "failed to register xHCI device\n");
72 platform_device_put(xhci);
78 void dwc3_host_exit(struct dwc3 *dwc)
80 platform_device_unregister(dwc->xhci);