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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>
This commit is contained in:
Vignesh R 2018-03-07 14:50:10 +05:30 committed by Marek Vasut
parent 3fc2635d3d
commit 2fd4242cc5
1 changed files with 11 additions and 0 deletions
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11
drivers/usb/host/xhci-dwc3.c
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@ -23,6 +23,7 @@ DECLARE_GLOBAL_DATA_PTR;
struct xhci_dwc3_platdata { struct xhci_dwc3_platdata {
struct phy usb_phy; struct phy usb_phy;
struct phy usb3_phy;
}; };
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)
@ -175,6 +176,13 @@ static int xhci_dwc3_probe(struct udevice *dev)
return ret; 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_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);
dwc3_core_init(dwc3_reg); dwc3_core_init(dwc3_reg);
@ -198,6 +206,9 @@ static int xhci_dwc3_remove(struct udevice *dev)
if (ret) if (ret)
pr_err("Can't shutdown USB PHY for %s\n", dev->name); 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); return xhci_deregister(dev);
} }