v4.19.13 snapshot.
diff --git a/include/linux/dsa/lan9303.h b/include/linux/dsa/lan9303.h
new file mode 100644
index 0000000..b4f2211
--- /dev/null
+++ b/include/linux/dsa/lan9303.h
@@ -0,0 +1,39 @@
+/* Included by drivers/net/dsa/lan9303.h and net/dsa/tag_lan9303.c */
+#include <linux/if_ether.h>
+
+struct lan9303;
+
+struct lan9303_phy_ops {
+ /* PHY 1 and 2 access*/
+ int (*phy_read)(struct lan9303 *chip, int port, int regnum);
+ int (*phy_write)(struct lan9303 *chip, int port,
+ int regnum, u16 val);
+};
+
+#define LAN9303_NUM_ALR_RECORDS 512
+struct lan9303_alr_cache_entry {
+ u8 mac_addr[ETH_ALEN];
+ u8 port_map; /* Bitmap of ports. Zero if unused entry */
+ u8 stp_override; /* non zero if set LAN9303_ALR_DAT1_AGE_OVERRID */
+};
+
+struct lan9303 {
+ struct device *dev;
+ struct regmap *regmap;
+ struct regmap_irq_chip_data *irq_data;
+ struct gpio_desc *reset_gpio;
+ u32 reset_duration; /* in [ms] */
+ int phy_addr_base;
+ struct dsa_switch *ds;
+ struct mutex indirect_mutex; /* protect indexed register access */
+ struct mutex alr_mutex; /* protect ALR access */
+ const struct lan9303_phy_ops *ops;
+ bool is_bridged; /* true if port 1 and 2 are bridged */
+
+ /* remember LAN9303_SWE_PORT_STATE while not bridged */
+ u32 swe_port_state;
+ /* LAN9303 do not offer reading specific ALR entry. Cache all
+ * static entries in a flat table
+ **/
+ struct lan9303_alr_cache_entry alr_cache[LAN9303_NUM_ALR_RECORDS];
+};