diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 242b8b325504..0ff9cd0be217 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3884,6 +3884,24 @@ static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
 	return err ? err : val;
 }
 
+static int mv88e6xxx_mdio_read_c45(struct mii_bus *bus, int phy, int devad,
+				   int reg)
+{
+	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
+	struct mv88e6xxx_chip *chip = mdio_bus->chip;
+	u16 val;
+	int err;
+
+	if (!chip->info->ops->phy_read_c45)
+		return -EOPNOTSUPP;
+
+	mv88e6xxx_reg_lock(chip);
+	err = chip->info->ops->phy_read_c45(chip, bus, phy, devad, reg, &val);
+	mv88e6xxx_reg_unlock(chip);
+
+	return err ? err : val;
+}
+
 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
 {
 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
@@ -3900,6 +3918,23 @@ static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
 	return err;
 }
 
+static int mv88e6xxx_mdio_write_c45(struct mii_bus *bus, int phy, int devad,
+				    int reg, u16 val)
+{
+	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
+	struct mv88e6xxx_chip *chip = mdio_bus->chip;
+	int err;
+
+	if (!chip->info->ops->phy_write_c45)
+		return -EOPNOTSUPP;
+
+	mv88e6xxx_reg_lock(chip);
+	err = chip->info->ops->phy_write_c45(chip, bus, phy, devad, reg, val);
+	mv88e6xxx_reg_unlock(chip);
+
+	return err;
+}
+
 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
 				   struct device_node *np,
 				   bool external)
@@ -3938,6 +3973,8 @@ static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
 
 	bus->read = mv88e6xxx_mdio_read;
 	bus->write = mv88e6xxx_mdio_write;
+	bus->read_c45 = mv88e6xxx_mdio_read_c45;
+	bus->write_c45 = mv88e6xxx_mdio_write_c45;
 	bus->parent = chip->dev;
 
 	if (!external) {
@@ -4149,8 +4186,10 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6185_port_sync_link,
 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
@@ -4198,8 +4237,10 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
@@ -4279,8 +4320,10 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -4343,8 +4386,10 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
@@ -4426,8 +4471,10 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4472,8 +4519,10 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4527,8 +4576,10 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4573,8 +4624,10 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4673,8 +4726,10 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -4736,8 +4791,10 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -4799,8 +4856,10 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -4862,8 +4921,10 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4925,8 +4986,10 @@ static const struct mv88e6xxx_ops mv88e6250_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -4964,8 +5027,10 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -5029,8 +5094,10 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
@@ -5074,8 +5141,10 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
@@ -5117,8 +5186,10 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -5183,8 +5254,10 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -5227,8 +5300,10 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
 	.irl_init_all = mv88e6352_g2_irl_init_all,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -5275,8 +5350,10 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
@@ -5340,8 +5417,10 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -5407,8 +5486,10 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
@@ -5473,8 +5554,10 @@ static const struct mv88e6xxx_ops mv88e6393x_ops = {
 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
-	.phy_read = mv88e6xxx_g2_smi_phy_read,
-	.phy_write = mv88e6xxx_g2_smi_phy_write,
+	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
+	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
+	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
+	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
 	.port_set_link = mv88e6xxx_port_set_link,
 	.port_sync_link = mv88e6xxx_port_sync_link,
 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index e693154cf803..751bede49942 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -451,6 +451,13 @@ struct mv88e6xxx_ops {
 			 struct mii_bus *bus,
 			 int addr, int reg, u16 val);
 
+	int (*phy_read_c45)(struct mv88e6xxx_chip *chip,
+			    struct mii_bus *bus,
+			    int addr, int devad, int reg, u16 *val);
+	int (*phy_write_c45)(struct mv88e6xxx_chip *chip,
+			     struct mii_bus *bus,
+			     int addr, int devad, int reg, u16 val);
+
 	/* Priority Override Table operations */
 	int (*pot_clear)(struct mv88e6xxx_chip *chip);
 
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index fa65ecd9cb85..ed3b2f88e783 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -739,20 +739,18 @@ static int mv88e6xxx_g2_smi_phy_read_data_c45(struct mv88e6xxx_chip *chip,
 	return mv88e6xxx_g2_read(chip, MV88E6XXX_G2_SMI_PHY_DATA, data);
 }
 
-static int mv88e6xxx_g2_smi_phy_read_c45(struct mv88e6xxx_chip *chip,
-					 bool external, int port, int reg,
-					 u16 *data)
+static int _mv88e6xxx_g2_smi_phy_read_c45(struct mv88e6xxx_chip *chip,
+					  bool external, int port, int devad,
+					  int reg, u16 *data)
 {
-	int dev = (reg >> 16) & 0x1f;
-	int addr = reg & 0xffff;
 	int err;
 
-	err = mv88e6xxx_g2_smi_phy_write_addr_c45(chip, external, port, dev,
-						  addr);
+	err = mv88e6xxx_g2_smi_phy_write_addr_c45(chip, external, port, devad,
+						  reg);
 	if (err)
 		return err;
 
-	return mv88e6xxx_g2_smi_phy_read_data_c45(chip, external, port, dev,
+	return mv88e6xxx_g2_smi_phy_read_data_c45(chip, external, port, devad,
 						  data);
 }
 
@@ -771,51 +769,65 @@ static int mv88e6xxx_g2_smi_phy_write_data_c45(struct mv88e6xxx_chip *chip,
 	return mv88e6xxx_g2_smi_phy_access_c45(chip, external, op, port, dev);
 }
 
-static int mv88e6xxx_g2_smi_phy_write_c45(struct mv88e6xxx_chip *chip,
-					  bool external, int port, int reg,
-					  u16 data)
+static int _mv88e6xxx_g2_smi_phy_write_c45(struct mv88e6xxx_chip *chip,
+					   bool external, int port, int devad,
+					   int reg, u16 data)
 {
-	int dev = (reg >> 16) & 0x1f;
-	int addr = reg & 0xffff;
 	int err;
 
-	err = mv88e6xxx_g2_smi_phy_write_addr_c45(chip, external, port, dev,
-						  addr);
+	err = mv88e6xxx_g2_smi_phy_write_addr_c45(chip, external, port, devad,
+						  reg);
 	if (err)
 		return err;
 
-	return mv88e6xxx_g2_smi_phy_write_data_c45(chip, external, port, dev,
+	return mv88e6xxx_g2_smi_phy_write_data_c45(chip, external, port, devad,
 						   data);
 }
 
-int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, struct mii_bus *bus,
-			      int addr, int reg, u16 *val)
+int mv88e6xxx_g2_smi_phy_read_c22(struct mv88e6xxx_chip *chip,
+				  struct mii_bus *bus,
+				  int addr, int reg, u16 *val)
 {
 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
 	bool external = mdio_bus->external;
 
-	if (reg & MII_ADDR_C45)
-		return mv88e6xxx_g2_smi_phy_read_c45(chip, external, addr, reg,
-						     val);
-
 	return mv88e6xxx_g2_smi_phy_read_data_c22(chip, external, addr, reg,
 						  val);
 }
 
-int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, struct mii_bus *bus,
-			       int addr, int reg, u16 val)
+int mv88e6xxx_g2_smi_phy_read_c45(struct mv88e6xxx_chip *chip,
+				  struct mii_bus *bus, int addr, int devad,
+				  int reg, u16 *val)
 {
 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
 	bool external = mdio_bus->external;
 
-	if (reg & MII_ADDR_C45)
-		return mv88e6xxx_g2_smi_phy_write_c45(chip, external, addr, reg,
-						      val);
+	return _mv88e6xxx_g2_smi_phy_read_c45(chip, external, addr, devad, reg,
+					      val);
+}
+
+int mv88e6xxx_g2_smi_phy_write_c22(struct mv88e6xxx_chip *chip,
+				   struct mii_bus *bus, int addr, int reg,
+				   u16 val)
+{
+	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
+	bool external = mdio_bus->external;
 
 	return mv88e6xxx_g2_smi_phy_write_data_c22(chip, external, addr, reg,
 						   val);
 }
 
+int mv88e6xxx_g2_smi_phy_write_c45(struct mv88e6xxx_chip *chip,
+				   struct mii_bus *bus, int addr, int devad,
+				   int reg, u16 val)
+{
+	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
+	bool external = mdio_bus->external;
+
+	return _mv88e6xxx_g2_smi_phy_write_c45(chip, external, addr, devad, reg,
+					       val);
+}
+
 /* Offset 0x1B: Watchdog Control */
 static int mv88e6097_watchdog_action(struct mv88e6xxx_chip *chip, int irq)
 {
diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index 7536b8b0ad01..e973114d6890 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -314,12 +314,18 @@ int mv88e6xxx_g2_wait_bit(struct mv88e6xxx_chip *chip, int reg,
 int mv88e6352_g2_irl_init_all(struct mv88e6xxx_chip *chip, int port);
 int mv88e6390_g2_irl_init_all(struct mv88e6xxx_chip *chip, int port);
 
-int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip,
-			      struct mii_bus *bus,
-			      int addr, int reg, u16 *val);
-int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip,
-			       struct mii_bus *bus,
-			       int addr, int reg, u16 val);
+int mv88e6xxx_g2_smi_phy_read_c22(struct mv88e6xxx_chip *chip,
+				  struct mii_bus *bus,
+				  int addr, int reg, u16 *val);
+int mv88e6xxx_g2_smi_phy_write_c22(struct mv88e6xxx_chip *chip,
+				   struct mii_bus *bus,
+				   int addr, int reg, u16 val);
+int mv88e6xxx_g2_smi_phy_read_c45(struct mv88e6xxx_chip *chip,
+				  struct mii_bus *bus,
+				  int addr, int devad, int reg, u16 *val);
+int mv88e6xxx_g2_smi_phy_write_c45(struct mv88e6xxx_chip *chip,
+				   struct mii_bus *bus,
+				   int addr, int devad, int reg, u16 val);
 int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr);
 
 int mv88e6xxx_g2_get_eeprom8(struct mv88e6xxx_chip *chip,
diff --git a/drivers/net/dsa/mv88e6xxx/phy.c b/drivers/net/dsa/mv88e6xxx/phy.c
index 252b5b3a3efe..8bb88b3d900d 100644
--- a/drivers/net/dsa/mv88e6xxx/phy.c
+++ b/drivers/net/dsa/mv88e6xxx/phy.c
@@ -55,6 +55,38 @@ int mv88e6xxx_phy_write(struct mv88e6xxx_chip *chip, int phy, int reg, u16 val)
 	return chip->info->ops->phy_write(chip, bus, addr, reg, val);
 }
 
+int mv88e6xxx_phy_read_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+			   int reg, u16 *val)
+{
+	int addr = phy; /* PHY devices addresses start at 0x0 */
+	struct mii_bus *bus;
+
+	bus = mv88e6xxx_default_mdio_bus(chip);
+	if (!bus)
+		return -EOPNOTSUPP;
+
+	if (!chip->info->ops->phy_read_c45)
+		return -EOPNOTSUPP;
+
+	return chip->info->ops->phy_read_c45(chip, bus, addr, devad, reg, val);
+}
+
+int mv88e6xxx_phy_write_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+			    int reg, u16 val)
+{
+	int addr = phy; /* PHY devices addresses start at 0x0 */
+	struct mii_bus *bus;
+
+	bus = mv88e6xxx_default_mdio_bus(chip);
+	if (!bus)
+		return -EOPNOTSUPP;
+
+	if (!chip->info->ops->phy_write_c45)
+		return -EOPNOTSUPP;
+
+	return chip->info->ops->phy_write_c45(chip, bus, addr, devad, reg, val);
+}
+
 static int mv88e6xxx_phy_page_get(struct mv88e6xxx_chip *chip, int phy, u8 page)
 {
 	return mv88e6xxx_phy_write(chip, phy, MV88E6XXX_PHY_PAGE, page);
diff --git a/drivers/net/dsa/mv88e6xxx/phy.h b/drivers/net/dsa/mv88e6xxx/phy.h
index 05ea0d546969..5f47722364cc 100644
--- a/drivers/net/dsa/mv88e6xxx/phy.h
+++ b/drivers/net/dsa/mv88e6xxx/phy.h
@@ -28,6 +28,10 @@ int mv88e6xxx_phy_read(struct mv88e6xxx_chip *chip, int phy,
 		       int reg, u16 *val);
 int mv88e6xxx_phy_write(struct mv88e6xxx_chip *chip, int phy,
 			int reg, u16 val);
+int mv88e6xxx_phy_read_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+			   int reg, u16 *val);
+int mv88e6xxx_phy_write_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+			    int reg, u16 val);
 int mv88e6xxx_phy_page_read(struct mv88e6xxx_chip *chip, int phy,
 			    u8 page, int reg, u16 *val);
 int mv88e6xxx_phy_page_write(struct mv88e6xxx_chip *chip, int phy,
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index d94150d8f3f4..72faec8f44dc 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -36,17 +36,13 @@ static int mv88e6352_serdes_write(struct mv88e6xxx_chip *chip, int reg,
 static int mv88e6390_serdes_read(struct mv88e6xxx_chip *chip,
 				 int lane, int device, int reg, u16 *val)
 {
-	int reg_c45 = MII_ADDR_C45 | device << 16 | reg;
-
-	return mv88e6xxx_phy_read(chip, lane, reg_c45, val);
+	return mv88e6xxx_phy_read_c45(chip, lane, device, reg, val);
 }
 
 static int mv88e6390_serdes_write(struct mv88e6xxx_chip *chip,
 				  int lane, int device, int reg, u16 val)
 {
-	int reg_c45 = MII_ADDR_C45 | device << 16 | reg;
-
-	return mv88e6xxx_phy_write(chip, lane, reg_c45, val);
+	return mv88e6xxx_phy_write_c45(chip, lane, device, reg, val);
 }
 
 static int mv88e6xxx_serdes_pcs_get_state(struct mv88e6xxx_chip *chip,
