diff --git a/target/linux/realtek/files-6.6/drivers/net/dsa/rtl83xx/dsa.c b/target/linux/realtek/files-6.6/drivers/net/dsa/rtl83xx/dsa.c
index d61122e330d..f9d37fb3bd2 100644
--- a/target/linux/realtek/files-6.6/drivers/net/dsa/rtl83xx/dsa.c
+++ b/target/linux/realtek/files-6.6/drivers/net/dsa/rtl83xx/dsa.c
@@ -684,6 +684,7 @@ static void rtl83xx_phylink_get_caps(struct dsa_switch *ds, int port,
 	__set_bit(PHY_INTERFACE_MODE_QSGMII, config->supported_interfaces);
 	__set_bit(PHY_INTERFACE_MODE_SGMII, config->supported_interfaces);
 	__set_bit(PHY_INTERFACE_MODE_XGMII, config->supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_USXGMII, config->supported_interfaces);
 	__set_bit(PHY_INTERFACE_MODE_1000BASEX, config->supported_interfaces);
 }