diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig
index c9e2a8989556..2edb88080790 100644
--- a/drivers/net/dsa/microchip/Kconfig
+++ b/drivers/net/dsa/microchip/Kconfig
@@ -1,49 +1,29 @@
 # SPDX-License-Identifier: GPL-2.0-only
-config NET_DSA_MICROCHIP_KSZ_COMMON
-	select NET_DSA_TAG_KSZ
-	tristate
-
-menuconfig NET_DSA_MICROCHIP_KSZ9477
-	tristate "Microchip KSZ9477 series switch support"
+menuconfig NET_DSA_MICROCHIP_KSZ_COMMON
+	tristate "Microchip KSZ8795/KSZ9477 series switch support"
 	depends on NET_DSA
-	select NET_DSA_MICROCHIP_KSZ_COMMON
+	select NET_DSA_TAG_KSZ
 	help
-	  This driver adds support for Microchip KSZ9477 switch chips.
+	  This driver adds support for Microchip KSZ9477 series switch and
+	  KSZ8795/KSZ88x3 switch chips.
 
 config NET_DSA_MICROCHIP_KSZ9477_I2C
-	tristate "KSZ9477 series I2C connected switch driver"
-	depends on NET_DSA_MICROCHIP_KSZ9477 && I2C
+	tristate "KSZ series I2C connected switch driver"
+	depends on NET_DSA_MICROCHIP_KSZ_COMMON && I2C
 	select REGMAP_I2C
 	help
 	  Select to enable support for registering switches configured through I2C.
 
-config NET_DSA_MICROCHIP_KSZ9477_SPI
-	tristate "KSZ9477 series SPI connected switch driver"
-	depends on NET_DSA_MICROCHIP_KSZ9477 && SPI
+config NET_DSA_MICROCHIP_KSZ_SPI
+	tristate "KSZ series SPI connected switch driver"
+	depends on NET_DSA_MICROCHIP_KSZ_COMMON && SPI
 	select REGMAP_SPI
 	help
 	  Select to enable support for registering switches configured through SPI.
 
-menuconfig NET_DSA_MICROCHIP_KSZ8795
-	tristate "Microchip KSZ8795 series switch support"
-	depends on NET_DSA
-	select NET_DSA_MICROCHIP_KSZ_COMMON
-	help
-	  This driver adds support for Microchip KSZ8795/KSZ88X3 switch chips.
-
-config NET_DSA_MICROCHIP_KSZ8795_SPI
-	tristate "KSZ8795 series SPI connected switch driver"
-	depends on NET_DSA_MICROCHIP_KSZ8795 && SPI
-	select REGMAP_SPI
-	help
-	  This driver accesses KSZ8795 chip through SPI.
-
-	  It is required to use the KSZ8795 switch driver as the only access
-	  is through SPI.
-
 config NET_DSA_MICROCHIP_KSZ8863_SMI
 	tristate "KSZ series SMI connected switch driver"
-	depends on NET_DSA_MICROCHIP_KSZ8795
+	depends on NET_DSA_MICROCHIP_KSZ_COMMON
 	select MDIO_BITBANG
 	help
 	  Select to enable support for registering switches configured through
diff --git a/drivers/net/dsa/microchip/Makefile b/drivers/net/dsa/microchip/Makefile
index 2a03b21a3386..b2ba7c1bcb93 100644
--- a/drivers/net/dsa/microchip/Makefile
+++ b/drivers/net/dsa/microchip/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON)	+= ksz_common.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477)		+= ksz9477.o
+obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON)	+= ksz_switch.o
+ksz_switch-objs := ksz_common.o
+ksz_switch-objs += ksz9477.o
+ksz_switch-objs += ksz8795.o
 obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_I2C)	+= ksz9477_i2c.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_SPI)	+= ksz9477_spi.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795)		+= ksz8795.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795_SPI)	+= ksz8795_spi.o
+obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_SPI)		+= ksz_spi.o
 obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8863_SMI)	+= ksz8863_smi.o
diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h
index cae76f5e7787..de246989c81b 100644
--- a/drivers/net/dsa/microchip/ksz8.h
+++ b/drivers/net/dsa/microchip/ksz8.h
@@ -9,6 +9,8 @@
 #define __KSZ8XXX_H
 
 #include <linux/types.h>
+#include <net/dsa.h>
+#include "ksz_common.h"
 
 enum ksz_regs {
 	REG_IND_CTRL_0,
@@ -68,4 +70,50 @@ struct ksz8 {
 	void *priv;
 };
 
+int ksz8_setup(struct dsa_switch *ds);
+u32 ksz8_get_port_addr(int port, int offset);
+void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member);
+void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port);
+void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port);
+void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
+void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
+int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
+			 u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries);
+int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
+			 struct alu_struct *alu);
+void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
+			  struct alu_struct *alu);
+void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt);
+void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+		    u64 *dropped, u64 *cnt);
+void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze);
+void ksz8_port_init_cnt(struct ksz_device *dev, int port);
+int ksz8_fdb_dump(struct ksz_device *dev, int port,
+		  dsa_fdb_dump_cb_t *cb, void *data);
+int ksz8_mdb_add(struct ksz_device *dev, int port,
+		 const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
+int ksz8_mdb_del(struct ksz_device *dev, int port,
+		 const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
+int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
+			     struct netlink_ext_ack *extack);
+int ksz8_port_vlan_add(struct ksz_device *dev, int port,
+		       const struct switchdev_obj_port_vlan *vlan,
+		       struct netlink_ext_ack *extack);
+int ksz8_port_vlan_del(struct ksz_device *dev, int port,
+		       const struct switchdev_obj_port_vlan *vlan);
+int ksz8_port_mirror_add(struct ksz_device *dev, int port,
+			 struct dsa_mall_mirror_tc_entry *mirror,
+			 bool ingress, struct netlink_ext_ack *extack);
+void ksz8_port_mirror_del(struct ksz_device *dev, int port,
+			  struct dsa_mall_mirror_tc_entry *mirror);
+int ksz8_get_stp_reg(void);
+void ksz8_get_caps(struct ksz_device *dev, int port,
+		   struct phylink_config *config);
+void ksz8_config_cpu_port(struct dsa_switch *ds);
+int ksz8_enable_stp_addr(struct ksz_device *dev);
+int ksz8_reset_switch(struct ksz_device *dev);
+int ksz8_switch_detect(struct ksz_device *dev);
+int ksz8_switch_init(struct ksz_device *dev);
+void ksz8_switch_exit(struct ksz_device *dev);
+
 #endif
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 23ed05f4efcc..df7d782e3fcd 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -162,7 +162,7 @@ static int ksz8_ind_write8(struct ksz_device *dev, u8 table, u16 addr, u8 data)
 	return ret;
 }
 
-static int ksz8_reset_switch(struct ksz_device *dev)
+int ksz8_reset_switch(struct ksz_device *dev)
 {
 	if (ksz_is_ksz88x3(dev)) {
 		/* reset switch */
@@ -213,7 +213,7 @@ static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue)
 			true);
 }
 
-static void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
+void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	const u32 *masks;
@@ -334,8 +334,8 @@ static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
 	}
 }
 
-static void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
-			   u64 *dropped, u64 *cnt)
+void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+		    u64 *dropped, u64 *cnt)
 {
 	if (ksz_is_ksz88x3(dev))
 		ksz8863_r_mib_pkt(dev, port, addr, dropped, cnt);
@@ -343,7 +343,7 @@ static void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
 		ksz8795_r_mib_pkt(dev, port, addr, dropped, cnt);
 }
 
-static void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
+void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
 {
 	if (ksz_is_ksz88x3(dev))
 		return;
@@ -358,7 +358,7 @@ static void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
 		ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false);
 }
 
-static void ksz8_port_init_cnt(struct ksz_device *dev, int port)
+void ksz8_port_init_cnt(struct ksz_device *dev, int port)
 {
 	struct ksz_port_mib *mib = &dev->ports[port].mib;
 	u64 *dropped;
@@ -447,9 +447,8 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
 	return 0;
 }
 
-static int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
-				u8 *mac_addr, u8 *fid, u8 *src_port,
-				u8 *timestamp, u16 *entries)
+int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
+			 u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
@@ -512,8 +511,8 @@ static int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
 	return rc;
 }
 
-static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
-				struct alu_struct *alu)
+int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
+			 struct alu_struct *alu)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
@@ -551,8 +550,8 @@ static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
 	return -ENXIO;
 }
 
-static void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
-				 struct alu_struct *alu)
+void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
+			  struct alu_struct *alu)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
@@ -663,7 +662,7 @@ static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan)
 	ksz8_w_table(dev, TABLE_VLAN, addr, buf);
 }
 
-static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
+void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	u8 restart, speed, ctrl, link;
@@ -786,7 +785,7 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
 		*val = data;
 }
 
-static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
+void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
 {
 	struct ksz8 *ksz8 = dev->priv;
 	u8 restart, speed, ctrl, data;
@@ -898,7 +897,7 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
 	}
 }
 
-static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
+void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
 {
 	u8 data;
 
@@ -908,7 +907,7 @@ static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
 	ksz_pwrite8(dev, port, P_MIRROR_CTRL, data);
 }
 
-static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
+void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
 {
 	u8 learn[DSA_MAX_PORTS];
 	int first, index, cnt;
@@ -941,8 +940,8 @@ static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
 	}
 }
 
-static int ksz8_fdb_dump(struct ksz_device *dev, int port,
-			 dsa_fdb_dump_cb_t *cb, void *data)
+int ksz8_fdb_dump(struct ksz_device *dev, int port,
+		  dsa_fdb_dump_cb_t *cb, void *data)
 {
 	int ret = 0;
 	u16 i = 0;
@@ -969,9 +968,8 @@ static int ksz8_fdb_dump(struct ksz_device *dev, int port,
 	return ret;
 }
 
-static int ksz8_mdb_add(struct ksz_device *dev, int port,
-			const struct switchdev_obj_port_mdb *mdb,
-			struct dsa_db db)
+int ksz8_mdb_add(struct ksz_device *dev, int port,
+		 const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
 {
 	struct alu_struct alu;
 	int index;
@@ -1013,9 +1011,8 @@ static int ksz8_mdb_add(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz8_mdb_del(struct ksz_device *dev, int port,
-			const struct switchdev_obj_port_mdb *mdb,
-			struct dsa_db db)
+int ksz8_mdb_del(struct ksz_device *dev, int port,
+		 const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
 {
 	struct alu_struct alu;
 	int index;
@@ -1043,8 +1040,8 @@ exit:
 	return 0;
 }
 
-static int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
-				    struct netlink_ext_ack *extack)
+int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
+			     struct netlink_ext_ack *extack)
 {
 	if (ksz_is_ksz88x3(dev))
 		return -ENOTSUPP;
@@ -1070,9 +1067,9 @@ static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state)
 	}
 }
 
-static int ksz8_port_vlan_add(struct ksz_device *dev, int port,
-			      const struct switchdev_obj_port_vlan *vlan,
-			      struct netlink_ext_ack *extack)
+int ksz8_port_vlan_add(struct ksz_device *dev, int port,
+		       const struct switchdev_obj_port_vlan *vlan,
+		       struct netlink_ext_ack *extack)
 {
 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
 	struct ksz_port *p = &dev->ports[port];
@@ -1142,8 +1139,8 @@ static int ksz8_port_vlan_add(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz8_port_vlan_del(struct ksz_device *dev, int port,
-			      const struct switchdev_obj_port_vlan *vlan)
+int ksz8_port_vlan_del(struct ksz_device *dev, int port,
+		       const struct switchdev_obj_port_vlan *vlan)
 {
 	u16 data, pvid;
 	u8 fid, member, valid;
@@ -1174,9 +1171,9 @@ static int ksz8_port_vlan_del(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz8_port_mirror_add(struct ksz_device *dev, int port,
-				struct dsa_mall_mirror_tc_entry *mirror,
-				bool ingress, struct netlink_ext_ack *extack)
+int ksz8_port_mirror_add(struct ksz_device *dev, int port,
+			 struct dsa_mall_mirror_tc_entry *mirror,
+			 bool ingress, struct netlink_ext_ack *extack)
 {
 	if (ingress) {
 		ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true);
@@ -1196,8 +1193,8 @@ static int ksz8_port_mirror_add(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static void ksz8_port_mirror_del(struct ksz_device *dev, int port,
-				 struct dsa_mall_mirror_tc_entry *mirror)
+void ksz8_port_mirror_del(struct ksz_device *dev, int port,
+			  struct dsa_mall_mirror_tc_entry *mirror)
 {
 	u8 data;
 
@@ -1264,7 +1261,7 @@ static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
 	p->phydev.duplex = 1;
 }
 
-static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
+void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 {
 	struct dsa_switch *ds = dev->ds;
 	struct ksz8 *ksz8 = dev->priv;
@@ -1301,7 +1298,7 @@ static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 	ksz8_cfg_port_member(dev, port, member);
 }
 
-static void ksz8_config_cpu_port(struct dsa_switch *ds)
+void ksz8_config_cpu_port(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
 	struct ksz8 *ksz8 = dev->priv;
@@ -1368,22 +1365,26 @@ static int ksz8_handle_global_errata(struct dsa_switch *ds)
 	return ret;
 }
 
-static int ksz8_setup(struct dsa_switch *ds)
+int ksz8_enable_stp_addr(struct ksz_device *dev)
+{
+	struct alu_struct alu;
+
+	/* Setup STP address for STP operation. */
+	memset(&alu, 0, sizeof(alu));
+	ether_addr_copy(alu.mac, eth_stp_addr);
+	alu.is_static = true;
+	alu.is_override = true;
+	alu.port_forward = dev->info->cpu_ports;
+
+	ksz8_w_sta_mac_table(dev, 0, &alu);
+
+	return 0;
+}
+
+int ksz8_setup(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
-	struct alu_struct alu;
-	int i, ret = 0;
-
-	dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table),
-				       dev->info->num_vlans, GFP_KERNEL);
-	if (!dev->vlan_cache)
-		return -ENOMEM;
-
-	ret = ksz8_reset_switch(dev);
-	if (ret) {
-		dev_err(ds->dev, "failed to reset switch\n");
-		return ret;
-	}
+	int i;
 
 	ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_FLOW_CTRL, true);
 
@@ -1402,10 +1403,6 @@ static int ksz8_setup(struct dsa_switch *ds)
 			   UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP,
 			   UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP);
 
-	ksz8_config_cpu_port(ds);
-
-	ksz_cfg(dev, REG_SW_CTRL_2, MULTICAST_STORM_DISABLE, true);
-
 	ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_REPLACE_VID, false);
 
 	ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false);
@@ -1413,33 +1410,14 @@ static int ksz8_setup(struct dsa_switch *ds)
 	if (!ksz_is_ksz88x3(dev))
 		ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true);
 
-	/* set broadcast storm protection 10% rate */
-	regmap_update_bits(dev->regmap[1], S_REPLACE_VID_CTRL,
-			   BROADCAST_STORM_RATE,
-			   (BROADCAST_STORM_VALUE *
-			   BROADCAST_STORM_PROT_RATE) / 100);
-
 	for (i = 0; i < (dev->info->num_vlans / 4); i++)
 		ksz8_r_vlan_entries(dev, i);
 
-	/* Setup STP address for STP operation. */
-	memset(&alu, 0, sizeof(alu));
-	ether_addr_copy(alu.mac, eth_stp_addr);
-	alu.is_static = true;
-	alu.is_override = true;
-	alu.port_forward = dev->info->cpu_ports;
-
-	ksz8_w_sta_mac_table(dev, 0, &alu);
-
-	ksz_init_mib_timer(dev);
-
-	ds->configure_vlan_while_not_filtering = false;
-
 	return ksz8_handle_global_errata(ds);
 }
 
-static void ksz8_get_caps(struct ksz_device *dev, int port,
-			  struct phylink_config *config)
+void ksz8_get_caps(struct ksz_device *dev, int port,
+		   struct phylink_config *config)
 {
 	config->mac_capabilities = MAC_10 | MAC_100;
 
@@ -1456,43 +1434,15 @@ static void ksz8_get_caps(struct ksz_device *dev, int port,
 		config->mac_capabilities |= MAC_ASYM_PAUSE;
 }
 
-static const struct dsa_switch_ops ksz8_switch_ops = {
-	.get_tag_protocol	= ksz_get_tag_protocol,
-	.get_phy_flags		= ksz_get_phy_flags,
-	.setup			= ksz8_setup,
-	.phy_read		= ksz_phy_read16,
-	.phy_write		= ksz_phy_write16,
-	.phylink_get_caps	= ksz_phylink_get_caps,
-	.phylink_mac_link_down	= ksz_mac_link_down,
-	.port_enable		= ksz_enable_port,
-	.get_strings		= ksz_get_strings,
-	.get_ethtool_stats	= ksz_get_ethtool_stats,
-	.get_sset_count		= ksz_sset_count,
-	.port_bridge_join	= ksz_port_bridge_join,
-	.port_bridge_leave	= ksz_port_bridge_leave,
-	.port_stp_state_set	= ksz_port_stp_state_set,
-	.port_fast_age		= ksz_port_fast_age,
-	.port_vlan_filtering	= ksz_port_vlan_filtering,
-	.port_vlan_add		= ksz_port_vlan_add,
-	.port_vlan_del		= ksz_port_vlan_del,
-	.port_fdb_dump		= ksz_port_fdb_dump,
-	.port_mdb_add           = ksz_port_mdb_add,
-	.port_mdb_del           = ksz_port_mdb_del,
-	.port_mirror_add	= ksz_port_mirror_add,
-	.port_mirror_del	= ksz_port_mirror_del,
-};
-
-static u32 ksz8_get_port_addr(int port, int offset)
+u32 ksz8_get_port_addr(int port, int offset)
 {
 	return PORT_CTRL_ADDR(port, offset);
 }
 
-static int ksz8_switch_init(struct ksz_device *dev)
+int ksz8_switch_init(struct ksz_device *dev)
 {
 	struct ksz8 *ksz8 = dev->priv;
 
-	dev->ds->ops = &ksz8_switch_ops;
-
 	dev->cpu_port = fls(dev->info->cpu_ports) - 1;
 	dev->phy_port_cnt = dev->info->port_cnt - 1;
 	dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports;
@@ -1520,42 +1470,11 @@ static int ksz8_switch_init(struct ksz_device *dev)
 	return 0;
 }
 
-static void ksz8_switch_exit(struct ksz_device *dev)
+void ksz8_switch_exit(struct ksz_device *dev)
 {
 	ksz8_reset_switch(dev);
 }
 
-static const struct ksz_dev_ops ksz8_dev_ops = {
-	.get_port_addr = ksz8_get_port_addr,
-	.cfg_port_member = ksz8_cfg_port_member,
-	.flush_dyn_mac_table = ksz8_flush_dyn_mac_table,
-	.port_setup = ksz8_port_setup,
-	.r_phy = ksz8_r_phy,
-	.w_phy = ksz8_w_phy,
-	.r_mib_cnt = ksz8_r_mib_cnt,
-	.r_mib_pkt = ksz8_r_mib_pkt,
-	.freeze_mib = ksz8_freeze_mib,
-	.port_init_cnt = ksz8_port_init_cnt,
-	.fdb_dump = ksz8_fdb_dump,
-	.mdb_add = ksz8_mdb_add,
-	.mdb_del = ksz8_mdb_del,
-	.vlan_filtering = ksz8_port_vlan_filtering,
-	.vlan_add = ksz8_port_vlan_add,
-	.vlan_del = ksz8_port_vlan_del,
-	.mirror_add = ksz8_port_mirror_add,
-	.mirror_del = ksz8_port_mirror_del,
-	.get_caps = ksz8_get_caps,
-	.shutdown = ksz8_reset_switch,
-	.init = ksz8_switch_init,
-	.exit = ksz8_switch_exit,
-};
-
-int ksz8_switch_register(struct ksz_device *dev)
-{
-	return ksz_switch_register(dev, &ksz8_dev_ops);
-}
-EXPORT_SYMBOL(ksz8_switch_register);
-
 MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
 MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch DSA Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h
index b8f6ad7581bc..32d985296520 100644
--- a/drivers/net/dsa/microchip/ksz8795_reg.h
+++ b/drivers/net/dsa/microchip/ksz8795_reg.h
@@ -16,7 +16,6 @@
 
 #define SW_REVISION_M			0x0E
 #define SW_REVISION_S			1
-#define SW_START			0x01
 
 #define KSZ8863_REG_SW_RESET		0x43
 
@@ -44,7 +43,6 @@
 #define REG_SW_CTRL_2			0x04
 
 #define UNICAST_VLAN_BOUNDARY		BIT(7)
-#define MULTICAST_STORM_DISABLE		BIT(6)
 #define SW_BACK_PRESSURE		BIT(5)
 #define FAIR_FLOW_CTRL			BIT(4)
 #define NO_EXC_COLLISION_DROP		BIT(3)
@@ -64,13 +62,9 @@
 #define SW_FLOW_CTRL			BIT(5)
 #define SW_10_MBIT			BIT(4)
 #define SW_REPLACE_VID			BIT(3)
-#define BROADCAST_STORM_RATE_HI		0x07
 
 #define REG_SW_CTRL_5			0x07
 
-#define BROADCAST_STORM_RATE_LO		0xFF
-#define BROADCAST_STORM_RATE		0x07FF
-
 #define REG_SW_CTRL_6			0x08
 
 #define SW_MIB_COUNTER_FLUSH		BIT(7)
@@ -797,12 +791,6 @@
 #define REG_IND_EEE_GLOB2_LO		0x34
 #define REG_IND_EEE_GLOB2_HI		0x35
 
-/* Driver set switch broadcast storm protection at 10% rate. */
-#define BROADCAST_STORM_PROT_RATE	10
-
-/* 148,800 frames * 67 ms / 100 */
-#define BROADCAST_STORM_VALUE		9969
-
 /**
  * MIB_COUNTER_VALUE			00-00000000-3FFFFFFF
  * MIB_TOTAL_BYTES			00-0000000F-FFFFFFFF
diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c
index b6f99e641dca..d71df05b8b7b 100644
--- a/drivers/net/dsa/microchip/ksz8863_smi.c
+++ b/drivers/net/dsa/microchip/ksz8863_smi.c
@@ -174,7 +174,7 @@ static int ksz8863_smi_probe(struct mdio_device *mdiodev)
 	if (mdiodev->dev.platform_data)
 		dev->pdata = mdiodev->dev.platform_data;
 
-	ret = ksz8_switch_register(dev);
+	ret = ksz_switch_register(dev);
 
 	/* Main DSA driver may not be started yet. */
 	if (ret)
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 5b4fc16e1692..fa498ad8ca40 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -17,6 +17,7 @@
 
 #include "ksz9477_reg.h"
 #include "ksz_common.h"
+#include "ksz9477.h"
 
 /* Used with variable features to indicate capabilities. */
 #define GBIT_SUPPORT			BIT(0)
@@ -47,7 +48,7 @@ static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset,
 			   bits, set ? bits : 0);
 }
 
-static int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)
+int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)
 {
 	u16 frame_size, max_frame = 0;
 	int i;
@@ -64,7 +65,7 @@ static int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)
 				  REG_SW_MTU_MASK, max_frame);
 }
 
-static int ksz9477_max_mtu(struct ksz_device *dev, int port)
+int ksz9477_max_mtu(struct ksz_device *dev, int port)
 {
 	return KSZ9477_MAX_FRAME_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
 }
@@ -174,7 +175,7 @@ static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev)
 					10, 1000);
 }
 
-static int ksz9477_reset_switch(struct ksz_device *dev)
+int ksz9477_reset_switch(struct ksz_device *dev)
 {
 	u8 data8;
 	u32 data32;
@@ -197,12 +198,6 @@ static int ksz9477_reset_switch(struct ksz_device *dev)
 	ksz_write32(dev, REG_SW_PORT_INT_MASK__4, 0x7F);
 	ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data32);
 
-	/* set broadcast storm protection 10% rate */
-	regmap_update_bits(dev->regmap[1], REG_SW_MAC_CTRL_2,
-			   BROADCAST_STORM_RATE,
-			   (BROADCAST_STORM_VALUE *
-			   BROADCAST_STORM_PROT_RATE) / 100);
-
 	data8 = SW_ENABLE_REFCLKO;
 	if (dev->synclko_disable)
 		data8 = 0;
@@ -213,8 +208,7 @@ static int ksz9477_reset_switch(struct ksz_device *dev)
 	return 0;
 }
 
-static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
-			      u64 *cnt)
+void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
 {
 	struct ksz_port *p = &dev->ports[port];
 	unsigned int val;
@@ -241,14 +235,14 @@ static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
 	*cnt += data;
 }
 
-static void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
-			      u64 *dropped, u64 *cnt)
+void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+		       u64 *dropped, u64 *cnt)
 {
 	addr = dev->info->mib_names[addr].index;
 	ksz9477_r_mib_cnt(dev, port, addr, cnt);
 }
 
-static void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze)
+void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze)
 {
 	u32 val = freeze ? MIB_COUNTER_FLUSH_FREEZE : 0;
 	struct ksz_port *p = &dev->ports[port];
@@ -262,7 +256,7 @@ static void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze)
 	mutex_unlock(&p->mib.cnt_mutex);
 }
 
-static void ksz9477_port_init_cnt(struct ksz_device *dev, int port)
+void ksz9477_port_init_cnt(struct ksz_device *dev, int port)
 {
 	struct ksz_port_mib *mib = &dev->ports[port].mib;
 
@@ -275,7 +269,7 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port)
 	mutex_unlock(&mib->cnt_mutex);
 }
 
-static void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data)
+void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data)
 {
 	u16 val = 0xffff;
 
@@ -324,7 +318,7 @@ static void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data)
 	*data = val;
 }
 
-static void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val)
+void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val)
 {
 	/* No real PHY after this. */
 	if (addr >= dev->phy_port_cnt)
@@ -337,13 +331,12 @@ static void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val)
 	ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val);
 }
 
-static void ksz9477_cfg_port_member(struct ksz_device *dev, int port,
-				    u8 member)
+void ksz9477_cfg_port_member(struct ksz_device *dev, int port, u8 member)
 {
 	ksz_pwrite32(dev, port, REG_PORT_VLAN_MEMBERSHIP__4, member);
 }
 
-static void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port)
+void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port)
 {
 	u8 data;
 
@@ -365,9 +358,8 @@ static void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port)
 	}
 }
 
-static int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port,
-				       bool flag,
-				       struct netlink_ext_ack *extack)
+int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port,
+				bool flag, struct netlink_ext_ack *extack)
 {
 	if (flag) {
 		ksz_port_cfg(dev, port, REG_PORT_LUE_CTRL,
@@ -382,9 +374,9 @@ static int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz9477_port_vlan_add(struct ksz_device *dev, int port,
-				 const struct switchdev_obj_port_vlan *vlan,
-				 struct netlink_ext_ack *extack)
+int ksz9477_port_vlan_add(struct ksz_device *dev, int port,
+			  const struct switchdev_obj_port_vlan *vlan,
+			  struct netlink_ext_ack *extack)
 {
 	u32 vlan_table[3];
 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
@@ -418,8 +410,8 @@ static int ksz9477_port_vlan_add(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
-				 const struct switchdev_obj_port_vlan *vlan)
+int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
+			  const struct switchdev_obj_port_vlan *vlan)
 {
 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
 	u32 vlan_table[3];
@@ -451,9 +443,8 @@ static int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz9477_fdb_add(struct ksz_device *dev, int port,
-			   const unsigned char *addr, u16 vid,
-			   struct dsa_db db)
+int ksz9477_fdb_add(struct ksz_device *dev, int port,
+		    const unsigned char *addr, u16 vid, struct dsa_db db)
 {
 	u32 alu_table[4];
 	u32 data;
@@ -508,9 +499,8 @@ exit:
 	return ret;
 }
 
-static int ksz9477_fdb_del(struct ksz_device *dev, int port,
-			   const unsigned char *addr, u16 vid,
-			   struct dsa_db db)
+int ksz9477_fdb_del(struct ksz_device *dev, int port,
+		    const unsigned char *addr, u16 vid, struct dsa_db db)
 {
 	u32 alu_table[4];
 	u32 data;
@@ -598,8 +588,8 @@ static void ksz9477_convert_alu(struct alu_struct *alu, u32 *alu_table)
 	alu->mac[5] = alu_table[3] & 0xFF;
 }
 
-static int ksz9477_fdb_dump(struct ksz_device *dev, int port,
-			    dsa_fdb_dump_cb_t *cb, void *data)
+int ksz9477_fdb_dump(struct ksz_device *dev, int port,
+		     dsa_fdb_dump_cb_t *cb, void *data)
 {
 	int ret = 0;
 	u32 ksz_data;
@@ -649,9 +639,8 @@ exit:
 	return ret;
 }
 
-static int ksz9477_mdb_add(struct ksz_device *dev, int port,
-			   const struct switchdev_obj_port_mdb *mdb,
-			   struct dsa_db db)
+int ksz9477_mdb_add(struct ksz_device *dev, int port,
+		    const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
 {
 	u32 static_table[4];
 	u32 data;
@@ -724,9 +713,8 @@ exit:
 	return err;
 }
 
-static int ksz9477_mdb_del(struct ksz_device *dev, int port,
-			   const struct switchdev_obj_port_mdb *mdb,
-			   struct dsa_db db)
+int ksz9477_mdb_del(struct ksz_device *dev, int port,
+		    const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
 {
 	u32 static_table[4];
 	u32 data;
@@ -799,9 +787,9 @@ exit:
 	return ret;
 }
 
-static int ksz9477_port_mirror_add(struct ksz_device *dev, int port,
-				   struct dsa_mall_mirror_tc_entry *mirror,
-				   bool ingress, struct netlink_ext_ack *extack)
+int ksz9477_port_mirror_add(struct ksz_device *dev, int port,
+			    struct dsa_mall_mirror_tc_entry *mirror,
+			    bool ingress, struct netlink_ext_ack *extack)
 {
 	u8 data;
 	int p;
@@ -838,8 +826,8 @@ static int ksz9477_port_mirror_add(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static void ksz9477_port_mirror_del(struct ksz_device *dev, int port,
-				    struct dsa_mall_mirror_tc_entry *mirror)
+void ksz9477_port_mirror_del(struct ksz_device *dev, int port,
+			     struct dsa_mall_mirror_tc_entry *mirror)
 {
 	bool in_use = false;
 	u8 data;
@@ -1062,14 +1050,17 @@ static void ksz9477_phy_errata_setup(struct ksz_device *dev, int port)
 	ksz9477_port_mmd_write(dev, port, 0x1c, 0x20, 0xeeee);
 }
 
-static void ksz9477_get_caps(struct ksz_device *dev, int port,
-			     struct phylink_config *config)
+void ksz9477_get_caps(struct ksz_device *dev, int port,
+		      struct phylink_config *config)
 {
-	config->mac_capabilities = MAC_10 | MAC_100 | MAC_1000FD |
-				   MAC_ASYM_PAUSE | MAC_SYM_PAUSE;
+	config->mac_capabilities = MAC_10 | MAC_100 | MAC_ASYM_PAUSE |
+				   MAC_SYM_PAUSE;
+
+	if (dev->features & GBIT_SUPPORT)
+		config->mac_capabilities |= MAC_1000FD;
 }
 
-static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
+void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 {
 	struct ksz_port *p = &dev->ports[port];
 	struct dsa_switch *ds = dev->ds;
@@ -1166,7 +1157,7 @@ static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 		ksz_pread16(dev, port, REG_PORT_PHY_INT_ENABLE, &data16);
 }
 
-static void ksz9477_config_cpu_port(struct dsa_switch *ds)
+void ksz9477_config_cpu_port(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
 	struct ksz_port *p;
@@ -1236,22 +1227,41 @@ static void ksz9477_config_cpu_port(struct dsa_switch *ds)
 	}
 }
 
-static int ksz9477_setup(struct dsa_switch *ds)
+int ksz9477_enable_stp_addr(struct ksz_device *dev)
+{
+	u32 data;
+	int ret;
+
+	/* Enable Reserved multicast table */
+	ksz_cfg(dev, REG_SW_LUE_CTRL_0, SW_RESV_MCAST_ENABLE, true);
+
+	/* Set the Override bit for forwarding BPDU packet to CPU */
+	ret = ksz_write32(dev, REG_SW_ALU_VAL_B,
+			  ALU_V_OVERRIDE | BIT(dev->cpu_port));
+	if (ret < 0)
+		return ret;
+
+	data = ALU_STAT_START | ALU_RESV_MCAST_ADDR;
+
+	ret = ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data);
+	if (ret < 0)
+		return ret;
+
+	/* wait to be finished */
+	ret = ksz9477_wait_alu_sta_ready(dev);
+	if (ret < 0) {
+		dev_err(dev->dev, "Failed to update Reserved Multicast table\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ksz9477_setup(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
 	int ret = 0;
 
-	dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table),
-				       dev->info->num_vlans, GFP_KERNEL);
-	if (!dev->vlan_cache)
-		return -ENOMEM;
-
-	ret = ksz9477_reset_switch(dev);
-	if (ret) {
-		dev_err(ds->dev, "failed to reset switch\n");
-		return ret;
-	}
-
 	/* Required for port partitioning. */
 	ksz9477_cfg32(dev, REG_SW_QM_CTRL__4, UNICAST_VLAN_BOUNDARY,
 		      true);
@@ -1268,68 +1278,25 @@ static int ksz9477_setup(struct dsa_switch *ds)
 	if (ret)
 		return ret;
 
-	ksz9477_config_cpu_port(ds);
-
-	ksz_cfg(dev, REG_SW_MAC_CTRL_1, MULTICAST_STORM_DISABLE, true);
-
 	/* queue based egress rate limit */
 	ksz_cfg(dev, REG_SW_MAC_CTRL_5, SW_OUT_RATE_LIMIT_QUEUE_BASED, true);
 
 	/* enable global MIB counter freeze function */
 	ksz_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true);
 
-	/* start switch */
-	ksz_cfg(dev, REG_SW_OPERATION, SW_START, true);
-
-	ksz_init_mib_timer(dev);
-
-	ds->configure_vlan_while_not_filtering = false;
-
 	return 0;
 }
 
-static const struct dsa_switch_ops ksz9477_switch_ops = {
-	.get_tag_protocol	= ksz_get_tag_protocol,
-	.setup			= ksz9477_setup,
-	.phy_read		= ksz_phy_read16,
-	.phy_write		= ksz_phy_write16,
-	.phylink_mac_link_down	= ksz_mac_link_down,
-	.phylink_get_caps	= ksz_phylink_get_caps,
-	.port_enable		= ksz_enable_port,
-	.get_strings		= ksz_get_strings,
-	.get_ethtool_stats	= ksz_get_ethtool_stats,
-	.get_sset_count		= ksz_sset_count,
-	.port_bridge_join	= ksz_port_bridge_join,
-	.port_bridge_leave	= ksz_port_bridge_leave,
-	.port_stp_state_set	= ksz_port_stp_state_set,
-	.port_fast_age		= ksz_port_fast_age,
-	.port_vlan_filtering	= ksz_port_vlan_filtering,
-	.port_vlan_add		= ksz_port_vlan_add,
-	.port_vlan_del		= ksz_port_vlan_del,
-	.port_fdb_dump		= ksz_port_fdb_dump,
-	.port_fdb_add		= ksz_port_fdb_add,
-	.port_fdb_del		= ksz_port_fdb_del,
-	.port_mdb_add           = ksz_port_mdb_add,
-	.port_mdb_del           = ksz_port_mdb_del,
-	.port_mirror_add	= ksz_port_mirror_add,
-	.port_mirror_del	= ksz_port_mirror_del,
-	.get_stats64		= ksz_get_stats64,
-	.port_change_mtu	= ksz_change_mtu,
-	.port_max_mtu		= ksz_max_mtu,
-};
-
-static u32 ksz9477_get_port_addr(int port, int offset)
+u32 ksz9477_get_port_addr(int port, int offset)
 {
 	return PORT_CTRL_ADDR(port, offset);
 }
 
-static int ksz9477_switch_init(struct ksz_device *dev)
+int ksz9477_switch_init(struct ksz_device *dev)
 {
 	u8 data8;
 	int ret;
 
-	dev->ds->ops = &ksz9477_switch_ops;
-
 	dev->port_mask = (1 << dev->info->port_cnt) - 1;
 
 	/* turn off SPI DO Edge select */
@@ -1367,72 +1334,15 @@ static int ksz9477_switch_init(struct ksz_device *dev)
 		if (!(data8 & SW_GIGABIT_ABLE))
 			dev->features &= ~GBIT_SUPPORT;
 	}
+
 	return 0;
 }
 
-static void ksz9477_switch_exit(struct ksz_device *dev)
+void ksz9477_switch_exit(struct ksz_device *dev)
 {
 	ksz9477_reset_switch(dev);
 }
 
-static const struct ksz_dev_ops ksz9477_dev_ops = {
-	.get_port_addr = ksz9477_get_port_addr,
-	.cfg_port_member = ksz9477_cfg_port_member,
-	.flush_dyn_mac_table = ksz9477_flush_dyn_mac_table,
-	.port_setup = ksz9477_port_setup,
-	.r_phy = ksz9477_r_phy,
-	.w_phy = ksz9477_w_phy,
-	.r_mib_cnt = ksz9477_r_mib_cnt,
-	.r_mib_pkt = ksz9477_r_mib_pkt,
-	.r_mib_stat64 = ksz_r_mib_stats64,
-	.freeze_mib = ksz9477_freeze_mib,
-	.port_init_cnt = ksz9477_port_init_cnt,
-	.vlan_filtering = ksz9477_port_vlan_filtering,
-	.vlan_add = ksz9477_port_vlan_add,
-	.vlan_del = ksz9477_port_vlan_del,
-	.mirror_add = ksz9477_port_mirror_add,
-	.mirror_del = ksz9477_port_mirror_del,
-	.get_caps = ksz9477_get_caps,
-	.fdb_dump = ksz9477_fdb_dump,
-	.fdb_add = ksz9477_fdb_add,
-	.fdb_del = ksz9477_fdb_del,
-	.mdb_add = ksz9477_mdb_add,
-	.mdb_del = ksz9477_mdb_del,
-	.change_mtu = ksz9477_change_mtu,
-	.max_mtu = ksz9477_max_mtu,
-	.shutdown = ksz9477_reset_switch,
-	.init = ksz9477_switch_init,
-	.exit = ksz9477_switch_exit,
-};
-
-int ksz9477_switch_register(struct ksz_device *dev)
-{
-	int ret, i;
-	struct phy_device *phydev;
-
-	ret = ksz_switch_register(dev, &ksz9477_dev_ops);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < dev->phy_port_cnt; ++i) {
-		if (!dsa_is_user_port(dev->ds, i))
-			continue;
-
-		phydev = dsa_to_port(dev->ds, i)->slave->phydev;
-
-		/* The MAC actually cannot run in 1000 half-duplex mode. */
-		phy_remove_link_mode(phydev,
-				     ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
-
-		/* PHY does not support gigabit. */
-		if (!(dev->features & GBIT_SUPPORT))
-			phy_remove_link_mode(phydev,
-					     ETHTOOL_LINK_MODE_1000baseT_Full_BIT);
-	}
-	return ret;
-}
-EXPORT_SYMBOL(ksz9477_switch_register);
-
 MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>");
 MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch DSA Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h
new file mode 100644
index 000000000000..cd278b307b3c
--- /dev/null
+++ b/drivers/net/dsa/microchip/ksz9477.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Microchip KSZ9477 series Header file
+ *
+ * Copyright (C) 2017-2022 Microchip Technology Inc.
+ */
+
+#ifndef __KSZ9477_H
+#define __KSZ9477_H
+
+#include <net/dsa.h>
+#include "ksz_common.h"
+
+int ksz9477_setup(struct dsa_switch *ds);
+u32 ksz9477_get_port_addr(int port, int offset);
+void ksz9477_cfg_port_member(struct ksz_device *dev, int port, u8 member);
+void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port);
+void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port);
+void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data);
+void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val);
+void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt);
+void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+		       u64 *dropped, u64 *cnt);
+void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze);
+void ksz9477_port_init_cnt(struct ksz_device *dev, int port);
+int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port,
+				bool flag, struct netlink_ext_ack *extack);
+int ksz9477_port_vlan_add(struct ksz_device *dev, int port,
+			  const struct switchdev_obj_port_vlan *vlan,
+			  struct netlink_ext_ack *extack);
+int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
+			  const struct switchdev_obj_port_vlan *vlan);
+int ksz9477_port_mirror_add(struct ksz_device *dev, int port,
+			    struct dsa_mall_mirror_tc_entry *mirror,
+			    bool ingress, struct netlink_ext_ack *extack);
+void ksz9477_port_mirror_del(struct ksz_device *dev, int port,
+			     struct dsa_mall_mirror_tc_entry *mirror);
+int ksz9477_get_stp_reg(void);
+void ksz9477_get_caps(struct ksz_device *dev, int port,
+		      struct phylink_config *config);
+int ksz9477_fdb_dump(struct ksz_device *dev, int port,
+		     dsa_fdb_dump_cb_t *cb, void *data);
+int ksz9477_fdb_add(struct ksz_device *dev, int port,
+		    const unsigned char *addr, u16 vid, struct dsa_db db);
+int ksz9477_fdb_del(struct ksz_device *dev, int port,
+		    const unsigned char *addr, u16 vid, struct dsa_db db);
+int ksz9477_mdb_add(struct ksz_device *dev, int port,
+		    const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
+int ksz9477_mdb_del(struct ksz_device *dev, int port,
+		    const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
+int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu);
+int ksz9477_max_mtu(struct ksz_device *dev, int port);
+void ksz9477_config_cpu_port(struct dsa_switch *ds);
+int ksz9477_enable_stp_addr(struct ksz_device *dev);
+int ksz9477_reset_switch(struct ksz_device *dev);
+int ksz9477_dsa_init(struct ksz_device *dev);
+int ksz9477_switch_init(struct ksz_device *dev);
+void ksz9477_switch_exit(struct ksz_device *dev);
+
+#endif
diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c
index faa3163c86b0..99966514d444 100644
--- a/drivers/net/dsa/microchip/ksz9477_i2c.c
+++ b/drivers/net/dsa/microchip/ksz9477_i2c.c
@@ -41,7 +41,7 @@ static int ksz9477_i2c_probe(struct i2c_client *i2c,
 	if (i2c->dev.platform_data)
 		dev->pdata = i2c->dev.platform_data;
 
-	ret = ksz9477_switch_register(dev);
+	ret = ksz_switch_register(dev);
 
 	/* Main DSA driver may not be started yet. */
 	if (ret)
@@ -71,8 +71,8 @@ static void ksz9477_i2c_shutdown(struct i2c_client *i2c)
 	if (!dev)
 		return;
 
-	if (dev->dev_ops->shutdown)
-		dev->dev_ops->shutdown(dev);
+	if (dev->dev_ops->reset)
+		dev->dev_ops->reset(dev);
 
 	dsa_switch_shutdown(dev->ds);
 
diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h
index 077e35ab11b5..c0ad83753b13 100644
--- a/drivers/net/dsa/microchip/ksz9477_reg.h
+++ b/drivers/net/dsa/microchip/ksz9477_reg.h
@@ -165,7 +165,6 @@
 
 #define SW_DOUBLE_TAG			BIT(7)
 #define SW_RESET			BIT(1)
-#define SW_START			BIT(0)
 
 #define REG_SW_MAC_ADDR_0		0x0302
 #define REG_SW_MAC_ADDR_1		0x0303
@@ -265,7 +264,6 @@
 
 #define REG_SW_MAC_CTRL_1		0x0331
 
-#define MULTICAST_STORM_DISABLE		BIT(6)
 #define SW_BACK_PRESSURE		BIT(5)
 #define FAIR_FLOW_CTRL			BIT(4)
 #define NO_EXC_COLLISION_DROP		BIT(3)
@@ -276,13 +274,9 @@
 #define REG_SW_MAC_CTRL_2		0x0332
 
 #define SW_REPLACE_VID			BIT(3)
-#define BROADCAST_STORM_RATE_HI		0x07
 
 #define REG_SW_MAC_CTRL_3		0x0333
 
-#define BROADCAST_STORM_RATE_LO		0xFF
-#define BROADCAST_STORM_RATE		0x07FF
-
 #define REG_SW_MAC_CTRL_4		0x0334
 
 #define SW_PASS_PAUSE			BIT(3)
@@ -1652,12 +1646,6 @@
 #define PTP_TRIG_UNIT_M			(BIT(MAX_TRIG_UNIT) - 1)
 #define PTP_TS_UNIT_M			(BIT(MAX_TIMESTAMP_UNIT) - 1)
 
-/* Driver set switch broadcast storm protection at 10% rate. */
-#define BROADCAST_STORM_PROT_RATE	10
-
-/* 148,800 frames * 67 ms / 100 */
-#define BROADCAST_STORM_VALUE		9969
-
 #define KSZ9477_MAX_FRAME_SIZE		9000
 
 #endif /* KSZ9477_REGS_H */
diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c
deleted file mode 100644
index 1bc8b0cbe458..000000000000
--- a/drivers/net/dsa/microchip/ksz9477_spi.c
+++ /dev/null
@@ -1,150 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Microchip KSZ9477 series register access through SPI
- *
- * Copyright (C) 2017-2019 Microchip Technology Inc.
- */
-
-#include <asm/unaligned.h>
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <linux/spi/spi.h>
-
-#include "ksz_common.h"
-
-#define SPI_ADDR_SHIFT			24
-#define SPI_ADDR_ALIGN			3
-#define SPI_TURNAROUND_SHIFT		5
-
-KSZ_REGMAP_TABLE(ksz9477, 32, SPI_ADDR_SHIFT,
-		 SPI_TURNAROUND_SHIFT, SPI_ADDR_ALIGN);
-
-static int ksz9477_spi_probe(struct spi_device *spi)
-{
-	struct regmap_config rc;
-	struct ksz_device *dev;
-	int i, ret;
-
-	dev = ksz_switch_alloc(&spi->dev, spi);
-	if (!dev)
-		return -ENOMEM;
-
-	for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) {
-		rc = ksz9477_regmap_config[i];
-		rc.lock_arg = &dev->regmap_mutex;
-		dev->regmap[i] = devm_regmap_init_spi(spi, &rc);
-		if (IS_ERR(dev->regmap[i])) {
-			ret = PTR_ERR(dev->regmap[i]);
-			dev_err(&spi->dev,
-				"Failed to initialize regmap%i: %d\n",
-				ksz9477_regmap_config[i].val_bits, ret);
-			return ret;
-		}
-	}
-
-	if (spi->dev.platform_data)
-		dev->pdata = spi->dev.platform_data;
-
-	/* setup spi */
-	spi->mode = SPI_MODE_3;
-	ret = spi_setup(spi);
-	if (ret)
-		return ret;
-
-	ret = ksz9477_switch_register(dev);
-
-	/* Main DSA driver may not be started yet. */
-	if (ret)
-		return ret;
-
-	spi_set_drvdata(spi, dev);
-
-	return 0;
-}
-
-static void ksz9477_spi_remove(struct spi_device *spi)
-{
-	struct ksz_device *dev = spi_get_drvdata(spi);
-
-	if (dev)
-		ksz_switch_remove(dev);
-
-	spi_set_drvdata(spi, NULL);
-}
-
-static void ksz9477_spi_shutdown(struct spi_device *spi)
-{
-	struct ksz_device *dev = spi_get_drvdata(spi);
-
-	if (dev)
-		dsa_switch_shutdown(dev->ds);
-
-	spi_set_drvdata(spi, NULL);
-}
-
-static const struct of_device_id ksz9477_dt_ids[] = {
-	{
-		.compatible = "microchip,ksz9477",
-		.data = &ksz_switch_chips[KSZ9477]
-	},
-	{
-		.compatible = "microchip,ksz9897",
-		.data = &ksz_switch_chips[KSZ9897]
-	},
-	{
-		.compatible = "microchip,ksz9893",
-		.data = &ksz_switch_chips[KSZ9893]
-	},
-	{
-		.compatible = "microchip,ksz9563",
-		.data = &ksz_switch_chips[KSZ9893]
-	},
-	{
-		.compatible = "microchip,ksz8563",
-		.data = &ksz_switch_chips[KSZ9893]
-	},
-	{
-		.compatible = "microchip,ksz9567",
-		.data = &ksz_switch_chips[KSZ9567]
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(of, ksz9477_dt_ids);
-
-static const struct spi_device_id ksz9477_spi_ids[] = {
-	{ "ksz9477" },
-	{ "ksz9897" },
-	{ "ksz9893" },
-	{ "ksz9563" },
-	{ "ksz8563" },
-	{ "ksz9567" },
-	{ },
-};
-MODULE_DEVICE_TABLE(spi, ksz9477_spi_ids);
-
-static struct spi_driver ksz9477_spi_driver = {
-	.driver = {
-		.name	= "ksz9477-switch",
-		.owner	= THIS_MODULE,
-		.of_match_table = of_match_ptr(ksz9477_dt_ids),
-	},
-	.id_table = ksz9477_spi_ids,
-	.probe	= ksz9477_spi_probe,
-	.remove	= ksz9477_spi_remove,
-	.shutdown = ksz9477_spi_shutdown,
-};
-
-module_spi_driver(ksz9477_spi_driver);
-
-MODULE_ALIAS("spi:ksz9477");
-MODULE_ALIAS("spi:ksz9897");
-MODULE_ALIAS("spi:ksz9893");
-MODULE_ALIAS("spi:ksz9563");
-MODULE_ALIAS("spi:ksz8563");
-MODULE_ALIAS("spi:ksz9567");
-MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>");
-MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch SPI access Driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 3fc401959f00..59582eb3bcaf 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -21,6 +21,8 @@
 #include <net/switchdev.h>
 
 #include "ksz_common.h"
+#include "ksz8.h"
+#include "ksz9477.h"
 
 #define MIB_COUNTER_NUM 0x20
 
@@ -139,6 +141,66 @@ static const struct ksz_mib_names ksz9477_mib_names[] = {
 	{ 0x83, "tx_discards" },
 };
 
+static const struct ksz_dev_ops ksz8_dev_ops = {
+	.setup = ksz8_setup,
+	.get_port_addr = ksz8_get_port_addr,
+	.cfg_port_member = ksz8_cfg_port_member,
+	.flush_dyn_mac_table = ksz8_flush_dyn_mac_table,
+	.port_setup = ksz8_port_setup,
+	.r_phy = ksz8_r_phy,
+	.w_phy = ksz8_w_phy,
+	.r_mib_pkt = ksz8_r_mib_pkt,
+	.freeze_mib = ksz8_freeze_mib,
+	.port_init_cnt = ksz8_port_init_cnt,
+	.fdb_dump = ksz8_fdb_dump,
+	.mdb_add = ksz8_mdb_add,
+	.mdb_del = ksz8_mdb_del,
+	.vlan_filtering = ksz8_port_vlan_filtering,
+	.vlan_add = ksz8_port_vlan_add,
+	.vlan_del = ksz8_port_vlan_del,
+	.mirror_add = ksz8_port_mirror_add,
+	.mirror_del = ksz8_port_mirror_del,
+	.get_caps = ksz8_get_caps,
+	.config_cpu_port = ksz8_config_cpu_port,
+	.enable_stp_addr = ksz8_enable_stp_addr,
+	.reset = ksz8_reset_switch,
+	.init = ksz8_switch_init,
+	.exit = ksz8_switch_exit,
+};
+
+static const struct ksz_dev_ops ksz9477_dev_ops = {
+	.setup = ksz9477_setup,
+	.get_port_addr = ksz9477_get_port_addr,
+	.cfg_port_member = ksz9477_cfg_port_member,
+	.flush_dyn_mac_table = ksz9477_flush_dyn_mac_table,
+	.port_setup = ksz9477_port_setup,
+	.r_phy = ksz9477_r_phy,
+	.w_phy = ksz9477_w_phy,
+	.r_mib_cnt = ksz9477_r_mib_cnt,
+	.r_mib_pkt = ksz9477_r_mib_pkt,
+	.r_mib_stat64 = ksz_r_mib_stats64,
+	.freeze_mib = ksz9477_freeze_mib,
+	.port_init_cnt = ksz9477_port_init_cnt,
+	.vlan_filtering = ksz9477_port_vlan_filtering,
+	.vlan_add = ksz9477_port_vlan_add,
+	.vlan_del = ksz9477_port_vlan_del,
+	.mirror_add = ksz9477_port_mirror_add,
+	.mirror_del = ksz9477_port_mirror_del,
+	.get_caps = ksz9477_get_caps,
+	.fdb_dump = ksz9477_fdb_dump,
+	.fdb_add = ksz9477_fdb_add,
+	.fdb_del = ksz9477_fdb_del,
+	.mdb_add = ksz9477_mdb_add,
+	.mdb_del = ksz9477_mdb_del,
+	.change_mtu = ksz9477_change_mtu,
+	.max_mtu = ksz9477_max_mtu,
+	.config_cpu_port = ksz9477_config_cpu_port,
+	.enable_stp_addr = ksz9477_enable_stp_addr,
+	.reset = ksz9477_reset_switch,
+	.init = ksz9477_switch_init,
+	.exit = ksz9477_switch_exit,
+};
+
 const struct ksz_chip_data ksz_switch_chips[] = {
 	[KSZ8795] = {
 		.chip_id = KSZ8795_CHIP_ID,
@@ -148,11 +210,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 8,
 		.cpu_ports = 0x10,	/* can be configured as cpu port */
 		.port_cnt = 5,		/* total cpu and user ports */
+		.ops = &ksz8_dev_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x02,
+		.broadcast_ctrl_reg =  0x06,
+		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -181,11 +247,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 8,
 		.cpu_ports = 0x10,	/* can be configured as cpu port */
 		.port_cnt = 5,		/* total cpu and user ports */
+		.ops = &ksz8_dev_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x02,
+		.broadcast_ctrl_reg =  0x06,
+		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -200,11 +270,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 8,
 		.cpu_ports = 0x10,	/* can be configured as cpu port */
 		.port_cnt = 5,		/* total cpu and user ports */
+		.ops = &ksz8_dev_ops,
 		.ksz87xx_eee_link_erratum = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x02,
+		.broadcast_ctrl_reg =  0x06,
+		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -219,10 +293,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 8,
 		.cpu_ports = 0x4,	/* can be configured as cpu port */
 		.port_cnt = 3,
+		.ops = &ksz8_dev_ops,
 		.mib_names = ksz88xx_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz88xx_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x02,
+		.broadcast_ctrl_reg =  0x06,
+		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, true},
 		.supports_rmii = {false, false, true},
 		.internal_phy = {true, true, false},
@@ -236,11 +314,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 16,
 		.cpu_ports = 0x7F,	/* can be configured as cpu port */
 		.port_cnt = 7,		/* total physical port count */
+		.ops = &ksz9477_dev_ops,
 		.phy_errata_9477 = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, false},
 		.supports_rmii	= {false, false, false, false,
@@ -259,11 +341,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 16,
 		.cpu_ports = 0x7F,	/* can be configured as cpu port */
 		.port_cnt = 7,		/* total physical port count */
+		.ops = &ksz9477_dev_ops,
 		.phy_errata_9477 = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, true},
 		.supports_rmii	= {false, false, false, false,
@@ -282,10 +368,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 16,
 		.cpu_ports = 0x07,	/* can be configured as cpu port */
 		.port_cnt = 3,		/* total port count */
+		.ops = &ksz9477_dev_ops,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, true},
 		.supports_rmii = {false, false, true},
 		.supports_rgmii = {false, false, true},
@@ -300,11 +390,15 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.num_statics = 16,
 		.cpu_ports = 0x7F,	/* can be configured as cpu port */
 		.port_cnt = 7,		/* total physical port count */
+		.ops = &ksz9477_dev_ops,
 		.phy_errata_9477 = true,
 		.mib_names = ksz9477_mib_names,
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, true},
 		.supports_rmii	= {false, false, false, false,
@@ -327,6 +421,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -345,6 +442,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, false, false, true, true},
 		.supports_rmii = {false, false, false, false, true, true},
 		.supports_rgmii = {false, false, false, false, true, true},
@@ -363,6 +463,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -385,6 +488,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -407,6 +513,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.stp_ctrl_reg = 0x0B04,
+		.broadcast_ctrl_reg =  0x0332,
+		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -450,8 +559,8 @@ static int ksz_check_device_id(struct ksz_device *dev)
 	return 0;
 }
 
-void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
-			  struct phylink_config *config)
+static void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
+				 struct phylink_config *config)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -474,7 +583,6 @@ void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
 	if (dev->dev_ops->get_caps)
 		dev->dev_ops->get_caps(dev, port, config);
 }
-EXPORT_SYMBOL_GPL(ksz_phylink_get_caps);
 
 void ksz_r_mib_stats64(struct ksz_device *dev, int port)
 {
@@ -517,10 +625,9 @@ void ksz_r_mib_stats64(struct ksz_device *dev, int port)
 
 	spin_unlock(&mib->stats64_lock);
 }
-EXPORT_SYMBOL_GPL(ksz_r_mib_stats64);
 
-void ksz_get_stats64(struct dsa_switch *ds, int port,
-		     struct rtnl_link_stats64 *s)
+static void ksz_get_stats64(struct dsa_switch *ds, int port,
+			    struct rtnl_link_stats64 *s)
 {
 	struct ksz_device *dev = ds->priv;
 	struct ksz_port_mib *mib;
@@ -531,10 +638,9 @@ void ksz_get_stats64(struct dsa_switch *ds, int port,
 	memcpy(s, &mib->stats64, sizeof(*s));
 	spin_unlock(&mib->stats64_lock);
 }
-EXPORT_SYMBOL_GPL(ksz_get_stats64);
 
-void ksz_get_strings(struct dsa_switch *ds, int port,
-		     u32 stringset, uint8_t *buf)
+static void ksz_get_strings(struct dsa_switch *ds, int port,
+			    u32 stringset, uint8_t *buf)
 {
 	struct ksz_device *dev = ds->priv;
 	int i;
@@ -547,7 +653,6 @@ void ksz_get_strings(struct dsa_switch *ds, int port,
 		       dev->info->mib_names[i].string, ETH_GSTRING_LEN);
 	}
 }
-EXPORT_SYMBOL_GPL(ksz_get_strings);
 
 static void ksz_update_port_member(struct ksz_device *dev, int port)
 {
@@ -607,6 +712,52 @@ static void ksz_update_port_member(struct ksz_device *dev, int port)
 	dev->dev_ops->cfg_port_member(dev, port, port_member | cpu_port);
 }
 
+static int ksz_setup(struct dsa_switch *ds)
+{
+	struct ksz_device *dev = ds->priv;
+	int ret;
+
+	dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table),
+				       dev->info->num_vlans, GFP_KERNEL);
+	if (!dev->vlan_cache)
+		return -ENOMEM;
+
+	ret = dev->dev_ops->reset(dev);
+	if (ret) {
+		dev_err(ds->dev, "failed to reset switch\n");
+		return ret;
+	}
+
+	/* set broadcast storm protection 10% rate */
+	regmap_update_bits(dev->regmap[1], dev->info->broadcast_ctrl_reg,
+			   BROADCAST_STORM_RATE,
+			   (BROADCAST_STORM_VALUE *
+			   BROADCAST_STORM_PROT_RATE) / 100);
+
+	dev->dev_ops->config_cpu_port(ds);
+
+	dev->dev_ops->enable_stp_addr(dev);
+
+	regmap_update_bits(dev->regmap[0], dev->info->multicast_ctrl_reg,
+			   MULTICAST_STORM_DISABLE, MULTICAST_STORM_DISABLE);
+
+	ksz_init_mib_timer(dev);
+
+	ds->configure_vlan_while_not_filtering = false;
+
+	if (dev->dev_ops->setup) {
+		ret = dev->dev_ops->setup(ds);
+		if (ret)
+			return ret;
+	}
+
+	/* start switch */
+	regmap_update_bits(dev->regmap[0], dev->info->start_ctrl_reg,
+			   SW_START, SW_START);
+
+	return 0;
+}
+
 static void port_r_cnt(struct ksz_device *dev, int port)
 {
 	struct ksz_port_mib *mib = &dev->ports[port].mib;
@@ -683,9 +834,8 @@ void ksz_init_mib_timer(struct ksz_device *dev)
 		memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64));
 	}
 }
-EXPORT_SYMBOL_GPL(ksz_init_mib_timer);
 
-int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg)
+static int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg)
 {
 	struct ksz_device *dev = ds->priv;
 	u16 val = 0xffff;
@@ -694,9 +844,8 @@ int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg)
 
 	return val;
 }
-EXPORT_SYMBOL_GPL(ksz_phy_read16);
 
-int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
+static int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -704,9 +853,8 @@ int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ksz_phy_write16);
 
-u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
+static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -721,10 +869,9 @@ u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ksz_get_phy_flags);
 
-void ksz_mac_link_down(struct dsa_switch *ds, int port, unsigned int mode,
-		       phy_interface_t interface)
+static void ksz_mac_link_down(struct dsa_switch *ds, int port,
+			      unsigned int mode, phy_interface_t interface)
 {
 	struct ksz_device *dev = ds->priv;
 	struct ksz_port *p = &dev->ports[port];
@@ -735,9 +882,8 @@ void ksz_mac_link_down(struct dsa_switch *ds, int port, unsigned int mode,
 	if (dev->mib_read_interval)
 		schedule_delayed_work(&dev->mib_read, 0);
 }
-EXPORT_SYMBOL_GPL(ksz_mac_link_down);
 
-int ksz_sset_count(struct dsa_switch *ds, int port, int sset)
+static int ksz_sset_count(struct dsa_switch *ds, int port, int sset)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -746,9 +892,9 @@ int ksz_sset_count(struct dsa_switch *ds, int port, int sset)
 
 	return dev->info->mib_cnt;
 }
-EXPORT_SYMBOL_GPL(ksz_sset_count);
 
-void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf)
+static void ksz_get_ethtool_stats(struct dsa_switch *ds, int port,
+				  uint64_t *buf)
 {
 	const struct dsa_port *dp = dsa_to_port(ds, port);
 	struct ksz_device *dev = ds->priv;
@@ -764,12 +910,11 @@ void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf)
 	memcpy(buf, mib->counters, dev->info->mib_cnt * sizeof(u64));
 	mutex_unlock(&mib->cnt_mutex);
 }
-EXPORT_SYMBOL_GPL(ksz_get_ethtool_stats);
 
-int ksz_port_bridge_join(struct dsa_switch *ds, int port,
-			 struct dsa_bridge bridge,
-			 bool *tx_fwd_offload,
-			 struct netlink_ext_ack *extack)
+static int ksz_port_bridge_join(struct dsa_switch *ds, int port,
+				struct dsa_bridge bridge,
+				bool *tx_fwd_offload,
+				struct netlink_ext_ack *extack)
 {
 	/* port_stp_state_set() will be called after to put the port in
 	 * appropriate state so there is no need to do anything.
@@ -777,27 +922,25 @@ int ksz_port_bridge_join(struct dsa_switch *ds, int port,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ksz_port_bridge_join);
 
-void ksz_port_bridge_leave(struct dsa_switch *ds, int port,
-			   struct dsa_bridge bridge)
+static void ksz_port_bridge_leave(struct dsa_switch *ds, int port,
+				  struct dsa_bridge bridge)
 {
 	/* port_stp_state_set() will be called after to put the port in
 	 * forwarding state so there is no need to do anything.
 	 */
 }
-EXPORT_SYMBOL_GPL(ksz_port_bridge_leave);
 
-void ksz_port_fast_age(struct dsa_switch *ds, int port)
+static void ksz_port_fast_age(struct dsa_switch *ds, int port)
 {
 	struct ksz_device *dev = ds->priv;
 
 	dev->dev_ops->flush_dyn_mac_table(dev, port);
 }
-EXPORT_SYMBOL_GPL(ksz_port_fast_age);
 
-int ksz_port_fdb_add(struct dsa_switch *ds, int port,
-		     const unsigned char *addr, u16 vid, struct dsa_db db)
+static int ksz_port_fdb_add(struct dsa_switch *ds, int port,
+			    const unsigned char *addr, u16 vid,
+			    struct dsa_db db)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -806,10 +949,10 @@ int ksz_port_fdb_add(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->fdb_add(dev, port, addr, vid, db);
 }
-EXPORT_SYMBOL_GPL(ksz_port_fdb_add);
 
-int ksz_port_fdb_del(struct dsa_switch *ds, int port,
-		     const unsigned char *addr, u16 vid, struct dsa_db db)
+static int ksz_port_fdb_del(struct dsa_switch *ds, int port,
+			    const unsigned char *addr,
+			    u16 vid, struct dsa_db db)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -818,10 +961,9 @@ int ksz_port_fdb_del(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->fdb_del(dev, port, addr, vid, db);
 }
-EXPORT_SYMBOL_GPL(ksz_port_fdb_del);
 
-int ksz_port_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb,
-		      void *data)
+static int ksz_port_fdb_dump(struct dsa_switch *ds, int port,
+			     dsa_fdb_dump_cb_t *cb, void *data)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -830,11 +972,10 @@ int ksz_port_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb,
 
 	return dev->dev_ops->fdb_dump(dev, port, cb, data);
 }
-EXPORT_SYMBOL_GPL(ksz_port_fdb_dump);
 
-int ksz_port_mdb_add(struct dsa_switch *ds, int port,
-		     const struct switchdev_obj_port_mdb *mdb,
-		     struct dsa_db db)
+static int ksz_port_mdb_add(struct dsa_switch *ds, int port,
+			    const struct switchdev_obj_port_mdb *mdb,
+			    struct dsa_db db)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -843,11 +984,10 @@ int ksz_port_mdb_add(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->mdb_add(dev, port, mdb, db);
 }
-EXPORT_SYMBOL_GPL(ksz_port_mdb_add);
 
-int ksz_port_mdb_del(struct dsa_switch *ds, int port,
-		     const struct switchdev_obj_port_mdb *mdb,
-		     struct dsa_db db)
+static int ksz_port_mdb_del(struct dsa_switch *ds, int port,
+			    const struct switchdev_obj_port_mdb *mdb,
+			    struct dsa_db db)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -856,9 +996,9 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->mdb_del(dev, port, mdb, db);
 }
-EXPORT_SYMBOL_GPL(ksz_port_mdb_del);
 
-int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
+static int ksz_enable_port(struct dsa_switch *ds, int port,
+			   struct phy_device *phy)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -874,7 +1014,6 @@ int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ksz_enable_port);
 
 void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 {
@@ -916,10 +1055,10 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 
 	ksz_update_port_member(dev, port);
 }
-EXPORT_SYMBOL_GPL(ksz_port_stp_state_set);
 
-enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
-					   int port, enum dsa_tag_protocol mp)
+static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
+						  int port,
+						  enum dsa_tag_protocol mp)
 {
 	struct ksz_device *dev = ds->priv;
 	enum dsa_tag_protocol proto = DSA_TAG_PROTO_NONE;
@@ -940,10 +1079,9 @@ enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
 
 	return proto;
 }
-EXPORT_SYMBOL_GPL(ksz_get_tag_protocol);
 
-int ksz_port_vlan_filtering(struct dsa_switch *ds, int port,
-			    bool flag, struct netlink_ext_ack *extack)
+static int ksz_port_vlan_filtering(struct dsa_switch *ds, int port,
+				   bool flag, struct netlink_ext_ack *extack)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -952,11 +1090,10 @@ int ksz_port_vlan_filtering(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->vlan_filtering(dev, port, flag, extack);
 }
-EXPORT_SYMBOL_GPL(ksz_port_vlan_filtering);
 
-int ksz_port_vlan_add(struct dsa_switch *ds, int port,
-		      const struct switchdev_obj_port_vlan *vlan,
-		      struct netlink_ext_ack *extack)
+static int ksz_port_vlan_add(struct dsa_switch *ds, int port,
+			     const struct switchdev_obj_port_vlan *vlan,
+			     struct netlink_ext_ack *extack)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -965,10 +1102,9 @@ int ksz_port_vlan_add(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->vlan_add(dev, port, vlan, extack);
 }
-EXPORT_SYMBOL_GPL(ksz_port_vlan_add);
 
-int ksz_port_vlan_del(struct dsa_switch *ds, int port,
-		      const struct switchdev_obj_port_vlan *vlan)
+static int ksz_port_vlan_del(struct dsa_switch *ds, int port,
+			     const struct switchdev_obj_port_vlan *vlan)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -977,11 +1113,10 @@ int ksz_port_vlan_del(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->vlan_del(dev, port, vlan);
 }
-EXPORT_SYMBOL_GPL(ksz_port_vlan_del);
 
-int ksz_port_mirror_add(struct dsa_switch *ds, int port,
-			struct dsa_mall_mirror_tc_entry *mirror,
-			bool ingress, struct netlink_ext_ack *extack)
+static int ksz_port_mirror_add(struct dsa_switch *ds, int port,
+			       struct dsa_mall_mirror_tc_entry *mirror,
+			       bool ingress, struct netlink_ext_ack *extack)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -990,19 +1125,17 @@ int ksz_port_mirror_add(struct dsa_switch *ds, int port,
 
 	return dev->dev_ops->mirror_add(dev, port, mirror, ingress, extack);
 }
-EXPORT_SYMBOL_GPL(ksz_port_mirror_add);
 
-void ksz_port_mirror_del(struct dsa_switch *ds, int port,
-			 struct dsa_mall_mirror_tc_entry *mirror)
+static void ksz_port_mirror_del(struct dsa_switch *ds, int port,
+				struct dsa_mall_mirror_tc_entry *mirror)
 {
 	struct ksz_device *dev = ds->priv;
 
 	if (dev->dev_ops->mirror_del)
 		dev->dev_ops->mirror_del(dev, port, mirror);
 }
-EXPORT_SYMBOL_GPL(ksz_port_mirror_del);
 
-int ksz_change_mtu(struct dsa_switch *ds, int port, int mtu)
+static int ksz_change_mtu(struct dsa_switch *ds, int port, int mtu)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -1011,9 +1144,8 @@ int ksz_change_mtu(struct dsa_switch *ds, int port, int mtu)
 
 	return dev->dev_ops->change_mtu(dev, port, mtu);
 }
-EXPORT_SYMBOL_GPL(ksz_change_mtu);
 
-int ksz_max_mtu(struct dsa_switch *ds, int port)
+static int ksz_max_mtu(struct dsa_switch *ds, int port)
 {
 	struct ksz_device *dev = ds->priv;
 
@@ -1022,7 +1154,6 @@ int ksz_max_mtu(struct dsa_switch *ds, int port)
 
 	return dev->dev_ops->max_mtu(dev, port);
 }
-EXPORT_SYMBOL_GPL(ksz_max_mtu);
 
 static int ksz_switch_detect(struct ksz_device *dev)
 {
@@ -1090,6 +1221,37 @@ static int ksz_switch_detect(struct ksz_device *dev)
 	return 0;
 }
 
+static const struct dsa_switch_ops ksz_switch_ops = {
+	.get_tag_protocol	= ksz_get_tag_protocol,
+	.get_phy_flags		= ksz_get_phy_flags,
+	.setup			= ksz_setup,
+	.phy_read		= ksz_phy_read16,
+	.phy_write		= ksz_phy_write16,
+	.phylink_get_caps	= ksz_phylink_get_caps,
+	.phylink_mac_link_down	= ksz_mac_link_down,
+	.port_enable		= ksz_enable_port,
+	.get_strings		= ksz_get_strings,
+	.get_ethtool_stats	= ksz_get_ethtool_stats,
+	.get_sset_count		= ksz_sset_count,
+	.port_bridge_join	= ksz_port_bridge_join,
+	.port_bridge_leave	= ksz_port_bridge_leave,
+	.port_stp_state_set	= ksz_port_stp_state_set,
+	.port_fast_age		= ksz_port_fast_age,
+	.port_vlan_filtering	= ksz_port_vlan_filtering,
+	.port_vlan_add		= ksz_port_vlan_add,
+	.port_vlan_del		= ksz_port_vlan_del,
+	.port_fdb_dump		= ksz_port_fdb_dump,
+	.port_fdb_add		= ksz_port_fdb_add,
+	.port_fdb_del		= ksz_port_fdb_del,
+	.port_mdb_add           = ksz_port_mdb_add,
+	.port_mdb_del           = ksz_port_mdb_del,
+	.port_mirror_add	= ksz_port_mirror_add,
+	.port_mirror_del	= ksz_port_mirror_del,
+	.get_stats64		= ksz_get_stats64,
+	.port_change_mtu	= ksz_change_mtu,
+	.port_max_mtu		= ksz_max_mtu,
+};
+
 struct ksz_device *ksz_switch_alloc(struct device *base, void *priv)
 {
 	struct dsa_switch *ds;
@@ -1101,6 +1263,7 @@ struct ksz_device *ksz_switch_alloc(struct device *base, void *priv)
 
 	ds->dev = base;
 	ds->num_ports = DSA_MAX_PORTS;
+	ds->ops = &ksz_switch_ops;
 
 	swdev = devm_kzalloc(base, sizeof(*swdev), GFP_KERNEL);
 	if (!swdev)
@@ -1116,8 +1279,7 @@ struct ksz_device *ksz_switch_alloc(struct device *base, void *priv)
 }
 EXPORT_SYMBOL(ksz_switch_alloc);
 
-int ksz_switch_register(struct ksz_device *dev,
-			const struct ksz_dev_ops *ops)
+int ksz_switch_register(struct ksz_device *dev)
 {
 	const struct ksz_chip_data *info;
 	struct device_node *port, *ports;
@@ -1164,7 +1326,7 @@ int ksz_switch_register(struct ksz_device *dev,
 	if (ret)
 		return ret;
 
-	dev->dev_ops = ops;
+	dev->dev_ops = dev->info->ops;
 
 	ret = dev->dev_ops->init(dev);
 	if (ret)
@@ -1236,7 +1398,7 @@ int ksz_switch_register(struct ksz_device *dev,
 	/* Start the MIB timer. */
 	schedule_delayed_work(&dev->mib_read, 0);
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(ksz_switch_register);
 
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index ebcfa688ea2c..0e7f15efbb79 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -41,12 +41,16 @@ struct ksz_chip_data {
 	int num_statics;
 	int cpu_ports;
 	int port_cnt;
+	const struct ksz_dev_ops *ops;
 	bool phy_errata_9477;
 	bool ksz87xx_eee_link_erratum;
 	const struct ksz_mib_names *mib_names;
 	int mib_cnt;
 	u8 reg_mib_cnt;
 	int stp_ctrl_reg;
+	int broadcast_ctrl_reg;
+	int multicast_ctrl_reg;
+	int start_ctrl_reg;
 	bool supports_mii[KSZ_MAX_NUM_PORTS];
 	bool supports_rmii[KSZ_MAX_NUM_PORTS];
 	bool supports_rgmii[KSZ_MAX_NUM_PORTS];
@@ -162,6 +166,7 @@ struct alu_struct {
 };
 
 struct ksz_dev_ops {
+	int (*setup)(struct dsa_switch *ds);
 	u32 (*get_port_addr)(int port, int offset);
 	void (*cfg_port_member)(struct ksz_device *dev, int port, u8 member);
 	void (*flush_dyn_mac_table)(struct ksz_device *dev, int port);
@@ -204,74 +209,21 @@ struct ksz_dev_ops {
 	int (*max_mtu)(struct ksz_device *dev, int port);
 	void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
 	void (*port_init_cnt)(struct ksz_device *dev, int port);
-	int (*shutdown)(struct ksz_device *dev);
+	void (*config_cpu_port)(struct dsa_switch *ds);
+	int (*enable_stp_addr)(struct ksz_device *dev);
+	int (*reset)(struct ksz_device *dev);
 	int (*init)(struct ksz_device *dev);
 	void (*exit)(struct ksz_device *dev);
 };
 
 struct ksz_device *ksz_switch_alloc(struct device *base, void *priv);
-int ksz_switch_register(struct ksz_device *dev,
-			const struct ksz_dev_ops *ops);
+int ksz_switch_register(struct ksz_device *dev);
 void ksz_switch_remove(struct ksz_device *dev);
 
-int ksz8_switch_register(struct ksz_device *dev);
-int ksz9477_switch_register(struct ksz_device *dev);
-
 void ksz_init_mib_timer(struct ksz_device *dev);
 void ksz_r_mib_stats64(struct ksz_device *dev, int port);
-void ksz_get_stats64(struct dsa_switch *ds, int port,
-		     struct rtnl_link_stats64 *s);
-void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
-			  struct phylink_config *config);
-extern const struct ksz_chip_data ksz_switch_chips[];
-
-/* Common DSA access functions */
-
-int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg);
-int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val);
-u32 ksz_get_phy_flags(struct dsa_switch *ds, int port);
-void ksz_mac_link_down(struct dsa_switch *ds, int port, unsigned int mode,
-		       phy_interface_t interface);
-int ksz_sset_count(struct dsa_switch *ds, int port, int sset);
-void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf);
-int ksz_port_bridge_join(struct dsa_switch *ds, int port,
-			 struct dsa_bridge bridge, bool *tx_fwd_offload,
-			 struct netlink_ext_ack *extack);
-void ksz_port_bridge_leave(struct dsa_switch *ds, int port,
-			   struct dsa_bridge bridge);
 void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
-void ksz_port_fast_age(struct dsa_switch *ds, int port);
-int ksz_port_fdb_add(struct dsa_switch *ds, int port,
-		     const unsigned char *addr, u16 vid, struct dsa_db db);
-int ksz_port_fdb_del(struct dsa_switch *ds, int port,
-		     const unsigned char *addr, u16 vid, struct dsa_db db);
-int ksz_port_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb,
-		      void *data);
-int ksz_port_mdb_add(struct dsa_switch *ds, int port,
-		     const struct switchdev_obj_port_mdb *mdb,
-		     struct dsa_db db);
-int ksz_port_mdb_del(struct dsa_switch *ds, int port,
-		     const struct switchdev_obj_port_mdb *mdb,
-		     struct dsa_db db);
-int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
-void ksz_get_strings(struct dsa_switch *ds, int port,
-		     u32 stringset, uint8_t *buf);
-enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
-					   int port, enum dsa_tag_protocol mp);
-int ksz_port_vlan_filtering(struct dsa_switch *ds, int port,
-			    bool flag, struct netlink_ext_ack *extack);
-int ksz_port_vlan_add(struct dsa_switch *ds, int port,
-		      const struct switchdev_obj_port_vlan *vlan,
-		      struct netlink_ext_ack *extack);
-int ksz_port_vlan_del(struct dsa_switch *ds, int port,
-		      const struct switchdev_obj_port_vlan *vlan);
-int ksz_port_mirror_add(struct dsa_switch *ds, int port,
-			struct dsa_mall_mirror_tc_entry *mirror,
-			bool ingress, struct netlink_ext_ack *extack);
-void ksz_port_mirror_del(struct dsa_switch *ds, int port,
-			 struct dsa_mall_mirror_tc_entry *mirror);
-int ksz_change_mtu(struct dsa_switch *ds, int port, int mtu);
-int ksz_max_mtu(struct dsa_switch *ds, int port);
+extern const struct ksz_chip_data ksz_switch_chips[];
 
 /* Common register access functions */
 
@@ -411,6 +363,20 @@ static inline void ksz_regmap_unlock(void *__mtx)
 
 #define SW_REV_ID_M			GENMASK(7, 4)
 
+/* Driver set switch broadcast storm protection at 10% rate. */
+#define BROADCAST_STORM_PROT_RATE	10
+
+/* 148,800 frames * 67 ms / 100 */
+#define BROADCAST_STORM_VALUE		9969
+
+#define BROADCAST_STORM_RATE_HI		0x07
+#define BROADCAST_STORM_RATE_LO		0xFF
+#define BROADCAST_STORM_RATE		0x07FF
+
+#define MULTICAST_STORM_DISABLE		BIT(6)
+
+#define SW_START			0x01
+
 /* Regmap tables generation */
 #define KSZ_SPI_OP_RD		3
 #define KSZ_SPI_OP_WR		2
diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz_spi.c
similarity index 60%
rename from drivers/net/dsa/microchip/ksz8795_spi.c
rename to drivers/net/dsa/microchip/ksz_spi.c
index 961a74c359a8..344ff92db099 100644
--- a/drivers/net/dsa/microchip/ksz8795_spi.c
+++ b/drivers/net/dsa/microchip/ksz_spi.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Microchip KSZ8795 series register access through SPI
+ * Microchip ksz series register access through SPI
  *
  * Copyright (C) 2017 Microchip Technology Inc.
  *	Tristram Ha <Tristram.Ha@microchip.com>
@@ -25,13 +25,20 @@
 #define KSZ8863_SPI_ADDR_ALIGN			8
 #define KSZ8863_SPI_TURNAROUND_SHIFT		0
 
+#define KSZ9477_SPI_ADDR_SHIFT			24
+#define KSZ9477_SPI_ADDR_ALIGN			3
+#define KSZ9477_SPI_TURNAROUND_SHIFT		5
+
 KSZ_REGMAP_TABLE(ksz8795, 16, KSZ8795_SPI_ADDR_SHIFT,
 		 KSZ8795_SPI_TURNAROUND_SHIFT, KSZ8795_SPI_ADDR_ALIGN);
 
 KSZ_REGMAP_TABLE(ksz8863, 16, KSZ8863_SPI_ADDR_SHIFT,
 		 KSZ8863_SPI_TURNAROUND_SHIFT, KSZ8863_SPI_ADDR_ALIGN);
 
-static int ksz8795_spi_probe(struct spi_device *spi)
+KSZ_REGMAP_TABLE(ksz9477, 32, KSZ9477_SPI_ADDR_SHIFT,
+		 KSZ9477_SPI_TURNAROUND_SHIFT, KSZ9477_SPI_ADDR_ALIGN);
+
+static int ksz_spi_probe(struct spi_device *spi)
 {
 	const struct regmap_config *regmap_config;
 	const struct ksz_chip_data *chip;
@@ -57,8 +64,12 @@ static int ksz8795_spi_probe(struct spi_device *spi)
 
 	if (chip->chip_id == KSZ8830_CHIP_ID)
 		regmap_config = ksz8863_regmap_config;
-	else
+	else if (chip->chip_id == KSZ8795_CHIP_ID ||
+		 chip->chip_id == KSZ8794_CHIP_ID ||
+		 chip->chip_id == KSZ8765_CHIP_ID)
 		regmap_config = ksz8795_regmap_config;
+	else
+		regmap_config = ksz9477_regmap_config;
 
 	for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) {
 		rc = regmap_config[i];
@@ -82,7 +93,7 @@ static int ksz8795_spi_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	ret = ksz8_switch_register(dev);
+	ret = ksz_switch_register(dev);
 
 	/* Main DSA driver may not be started yet. */
 	if (ret)
@@ -93,7 +104,7 @@ static int ksz8795_spi_probe(struct spi_device *spi)
 	return 0;
 }
 
-static void ksz8795_spi_remove(struct spi_device *spi)
+static void ksz_spi_remove(struct spi_device *spi)
 {
 	struct ksz_device *dev = spi_get_drvdata(spi);
 
@@ -103,22 +114,22 @@ static void ksz8795_spi_remove(struct spi_device *spi)
 	spi_set_drvdata(spi, NULL);
 }
 
-static void ksz8795_spi_shutdown(struct spi_device *spi)
+static void ksz_spi_shutdown(struct spi_device *spi)
 {
 	struct ksz_device *dev = spi_get_drvdata(spi);
 
 	if (!dev)
 		return;
 
-	if (dev->dev_ops->shutdown)
-		dev->dev_ops->shutdown(dev);
+	if (dev->dev_ops->reset)
+		dev->dev_ops->reset(dev);
 
 	dsa_switch_shutdown(dev->ds);
 
 	spi_set_drvdata(spi, NULL);
 }
 
-static const struct of_device_id ksz8795_dt_ids[] = {
+static const struct of_device_id ksz_dt_ids[] = {
 	{
 		.compatible = "microchip,ksz8765",
 		.data = &ksz_switch_chips[KSZ8765]
@@ -139,34 +150,70 @@ static const struct of_device_id ksz8795_dt_ids[] = {
 		.compatible = "microchip,ksz8873",
 		.data = &ksz_switch_chips[KSZ8830]
 	},
+	{
+		.compatible = "microchip,ksz9477",
+		.data = &ksz_switch_chips[KSZ9477]
+	},
+	{
+		.compatible = "microchip,ksz9897",
+		.data = &ksz_switch_chips[KSZ9897]
+	},
+	{
+		.compatible = "microchip,ksz9893",
+		.data = &ksz_switch_chips[KSZ9893]
+	},
+	{
+		.compatible = "microchip,ksz9563",
+		.data = &ksz_switch_chips[KSZ9893]
+	},
+	{
+		.compatible = "microchip,ksz8563",
+		.data = &ksz_switch_chips[KSZ9893]
+	},
+	{
+		.compatible = "microchip,ksz9567",
+		.data = &ksz_switch_chips[KSZ9567]
+	},
 	{},
 };
-MODULE_DEVICE_TABLE(of, ksz8795_dt_ids);
+MODULE_DEVICE_TABLE(of, ksz_dt_ids);
 
-static const struct spi_device_id ksz8795_spi_ids[] = {
+static const struct spi_device_id ksz_spi_ids[] = {
 	{ "ksz8765" },
 	{ "ksz8794" },
 	{ "ksz8795" },
 	{ "ksz8863" },
 	{ "ksz8873" },
+	{ "ksz9477" },
+	{ "ksz9897" },
+	{ "ksz9893" },
+	{ "ksz9563" },
+	{ "ksz8563" },
+	{ "ksz9567" },
 	{ },
 };
-MODULE_DEVICE_TABLE(spi, ksz8795_spi_ids);
+MODULE_DEVICE_TABLE(spi, ksz_spi_ids);
 
-static struct spi_driver ksz8795_spi_driver = {
+static struct spi_driver ksz_spi_driver = {
 	.driver = {
-		.name	= "ksz8795-switch",
+		.name	= "ksz-switch",
 		.owner	= THIS_MODULE,
-		.of_match_table = of_match_ptr(ksz8795_dt_ids),
+		.of_match_table = of_match_ptr(ksz_dt_ids),
 	},
-	.id_table = ksz8795_spi_ids,
-	.probe	= ksz8795_spi_probe,
-	.remove	= ksz8795_spi_remove,
-	.shutdown = ksz8795_spi_shutdown,
+	.id_table = ksz_spi_ids,
+	.probe	= ksz_spi_probe,
+	.remove	= ksz_spi_remove,
+	.shutdown = ksz_spi_shutdown,
 };
 
-module_spi_driver(ksz8795_spi_driver);
+module_spi_driver(ksz_spi_driver);
 
+MODULE_ALIAS("spi:ksz9477");
+MODULE_ALIAS("spi:ksz9897");
+MODULE_ALIAS("spi:ksz9893");
+MODULE_ALIAS("spi:ksz9563");
+MODULE_ALIAS("spi:ksz8563");
+MODULE_ALIAS("spi:ksz9567");
 MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
-MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch SPI Driver");
+MODULE_DESCRIPTION("Microchip ksz Series Switch SPI Driver");
 MODULE_LICENSE("GPL");