ubs: xhci-dwc3: Enable USB3 PHY when available

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>

diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c
index e61a04eeb8a8e87018697b1cd762707eb8435d66..1022dd5512418fe90b5a399ad6ea5735202789cb 100644 (file)
--- 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);
 }