diff --git a/include/phy_interface.h b/include/phy_interface.h
index 841ade311e..ebb18ecd40 100644
--- a/include/phy_interface.h
+++ b/include/phy_interface.h
@@ -25,6 +25,8 @@ typedef enum {
 	PHY_INTERFACE_MODE_RGMII_RXID,
 	PHY_INTERFACE_MODE_RGMII_TXID,
 	PHY_INTERFACE_MODE_RTBI,
+	PHY_INTERFACE_MODE_1000BASEX,
+	PHY_INTERFACE_MODE_2500BASEX,
 	PHY_INTERFACE_MODE_XGMII,
 	PHY_INTERFACE_MODE_XAUI,
 	PHY_INTERFACE_MODE_RXAUI,
@@ -55,6 +57,8 @@ static const char * const phy_interface_strings[] = {
 	[PHY_INTERFACE_MODE_RGMII_RXID]		= "rgmii-rxid",
 	[PHY_INTERFACE_MODE_RGMII_TXID]		= "rgmii-txid",
 	[PHY_INTERFACE_MODE_RTBI]		= "rtbi",
+	[PHY_INTERFACE_MODE_1000BASEX]		= "1000base-x",
+	[PHY_INTERFACE_MODE_2500BASEX]		= "2500base-x",
 	[PHY_INTERFACE_MODE_XGMII]		= "xgmii",
 	[PHY_INTERFACE_MODE_XAUI]		= "xaui",
 	[PHY_INTERFACE_MODE_RXAUI]		= "rxaui",