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 <vigne...@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);
}
--
2.16.2
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