diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 142ebe0247cc..983a6e6173bd 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -1531,6 +1531,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
 }
 EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion);
 
+int tegra_xusb_padctl_get_port_number(struct phy *phy)
+{
+	struct tegra_xusb_lane *lane;
+
+	if (!phy)
+		return -ENODEV;
+
+	lane = phy_get_drvdata(phy);
+
+	return lane->index;
+}
+EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number);
+
 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
 MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver");
 MODULE_LICENSE("GPL v2");
diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h
index 70998e6dd6fd..6ca51e0080ec 100644
--- a/include/linux/phy/tegra/xusb.h
+++ b/include/linux/phy/tegra/xusb.h
@@ -26,6 +26,7 @@ void tegra_phy_xusb_utmi_pad_power_down(struct phy *phy);
 int tegra_phy_xusb_utmi_port_reset(struct phy *phy);
 int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
 					 unsigned int port);
+int tegra_xusb_padctl_get_port_number(struct phy *phy);
 int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy,
 					   enum usb_device_speed speed);
 int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy);