diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index a58997f1fd690..795b3128768f0 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -550,6 +550,9 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
 		mode = PHY_INTERFACE_MODE_1000BASEX;
 
 	switch (mode) {
+	case PHY_INTERFACE_MODE_RMII:
+		cmode = MV88E6XXX_PORT_STS_CMODE_RMII;
+		break;
 	case PHY_INTERFACE_MODE_1000BASEX:
 		cmode = MV88E6XXX_PORT_STS_CMODE_1000BASEX;
 		break;