DWC3 USB3 controllers will need USB3 PHY to be enabled, in addition to USB2 PHY, to be functional. Therefore enable USB3 PHY when available.
Signed-off-by: Vignesh R vigneshr@ti.com --- drivers/usb/host/xhci-dwc3.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index e61a04eeb8a8..1022dd551241 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -23,6 +23,7 @@ DECLARE_GLOBAL_DATA_PTR;
struct xhci_dwc3_platdata { struct phy usb_phy; + struct phy usb3_phy; };
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) @@ -175,6 +176,13 @@ static int xhci_dwc3_probe(struct udevice *dev) return ret; }
+ ret = xhci_dwc3_setup_phy(dev, 1, &plat->usb3_phy); + if (ret) { + pr_err("Failed to setup USB3 PHY for %s\n", dev->name); + xhci_dwc3_shutdown_phy(&plat->usb_phy); + return ret; + } + dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);
dwc3_core_init(dwc3_reg); @@ -198,6 +206,9 @@ static int xhci_dwc3_remove(struct udevice *dev) if (ret) pr_err("Can't shutdown USB PHY for %s\n", dev->name);
+ ret = xhci_dwc3_shutdown_phy(&plat->usb3_phy); + if (ret) + pr_err("Can't shutdown USB3 PHY for %s\n", dev->name);
return xhci_deregister(dev); }