int dwc3_host_init(struct dwc3 *dwc)
{
struct platform_device *xhci;
struct usb_xhci_pdata pdata;
int ret;
xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
if (!xhci) {
dev_err(dwc->dev, "couldn't allocate xHCI device\n");
return -ENOMEM;
}
dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
xhci->dev.parent = dwc->dev;
xhci->dev.dma_mask = dwc->dev->dma_mask;
xhci->dev.dma_parms = dwc->dev->dma_parms;
dwc->xhci = xhci;
ret = platform_device_add_resources(xhci, dwc->xhci_resources,
DWC3_XHCI_RESOURCES_NUM);
if (ret) {
dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
goto err1;
}
memset(&pdata, 0, sizeof(pdata));
#ifdef CONFIG_DWC3_HOST_USB3_LPM_ENABLE
pdata.usb3_lpm_capable = 1;
#endif
ret = platform_device_add_data(xhci, &pdata, sizeof(pdata));
if (ret) {
dev_err(dwc->dev, "couldn't add platform data to xHCI device\n");
goto err1;
}
phy_create_lookup(dwc->usb2_generic_phy, "usb2-phy",
dev_name(&xhci->dev));
phy_create_lookup(dwc->usb3_generic_phy, "usb3-phy",
dev_name(&xhci->dev));
ret = platform_device_add(xhci);
if (ret) {
dev_err(dwc->dev, "failed to register xHCI device\n");
goto err2;
}
return 0;
err2:
phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy",
dev_name(&xhci->dev));
phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy",
dev_name(&xhci->dev));
err1:
platform_device_put(xhci);
return ret;
}
void dwc3_host_exit(struct dwc3 *dwc)
{
phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy",
dev_name(&dwc->xhci->dev));
phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy",
dev_name(&dwc->xhci->dev));
platform_device_unregister(dwc->xhci);
}
static int da8xx_usb_phy_remove(struct platform_device *pdev)
{
struct da8xx_usb_phy *d_phy = platform_get_drvdata(pdev);
if (!pdev->dev.of_node) {
phy_remove_lookup(d_phy->usb20_phy, "usb-phy", "musb-da8xx");
phy_remove_lookup(d_phy->usb11_phy, "usb-phy", "ohci.0");
}
return 0;
}
int dwc3_host_init(struct dwc3 *dwc)
{
struct property_entry props[2];
struct platform_device *xhci;
int ret, irq;
struct resource *res;
struct platform_device *dwc3_pdev = to_platform_device(dwc->dev);
irq = dwc3_host_get_irq(dwc);
if (irq < 0)
return irq;
res = platform_get_resource_byname(dwc3_pdev, IORESOURCE_IRQ, "host");
if (!res)
res = platform_get_resource_byname(dwc3_pdev, IORESOURCE_IRQ,
"dwc_usb3");
if (!res)
res = platform_get_resource(dwc3_pdev, IORESOURCE_IRQ, 0);
if (!res)
return -ENOMEM;
dwc->xhci_resources[1].start = irq;
dwc->xhci_resources[1].end = irq;
dwc->xhci_resources[1].flags = res->flags;
dwc->xhci_resources[1].name = res->name;
xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
if (!xhci) {
dev_err(dwc->dev, "couldn't allocate xHCI device\n");
return -ENOMEM;
}
xhci->dev.parent = dwc->dev;
dwc->xhci = xhci;
ret = platform_device_add_resources(xhci, dwc->xhci_resources,
DWC3_XHCI_RESOURCES_NUM);
if (ret) {
dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
goto err1;
}
memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
if (dwc->usb3_lpm_capable) {
props[0].name = "usb3-lpm-capable";
ret = platform_device_add_properties(xhci, props);
if (ret) {
dev_err(dwc->dev, "failed to add properties to xHCI\n");
goto err1;
}
}
phy_create_lookup(dwc->usb2_generic_phy, "usb2-phy",
dev_name(dwc->dev));
phy_create_lookup(dwc->usb3_generic_phy, "usb3-phy",
dev_name(dwc->dev));
ret = platform_device_add(xhci);
if (ret) {
dev_err(dwc->dev, "failed to register xHCI device\n");
goto err2;
}
return 0;
err2:
phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy",
dev_name(dwc->dev));
phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy",
dev_name(dwc->dev));
err1:
platform_device_put(xhci);
return ret;
}
