--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -93,6 +93,7 @@
 	PHY_INTERFACE_MODE_SMII,
 	PHY_INTERFACE_MODE_XGMII,
 	PHY_INTERFACE_MODE_MOCA,
+	PHY_INTERFACE_MODE_HSGMII,
 	PHY_INTERFACE_MODE_QSGMII,
 	PHY_INTERFACE_MODE_TRGMII,
 	PHY_INTERFACE_MODE_1000BASEX,
@@ -163,6 +164,8 @@
 		return "xgmii";
 	case PHY_INTERFACE_MODE_MOCA:
 		return "moca";
+	case PHY_INTERFACE_MODE_HSGMII:
+		return "hsgmii";
 	case PHY_INTERFACE_MODE_QSGMII:
 		return "qsgmii";
 	case PHY_INTERFACE_MODE_TRGMII: