From: Vignesh R <vigneshr@ti.com>
Date: Wed, 7 Mar 2018 09:20:10 +0000 (+0530)
Subject: ubs: xhci-dwc3: Enable USB3 PHY when available
X-Git-Tag: v2018.05-rc1~29^2~10
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;ds=sidebyside;h=2fd4242cc50e2da6666028e65a10467171e3dab6;p=u-boot

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 e61a04eeb8..1022dd5512 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);
 }