diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 3745c47f802..914b17522ba 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -314,6 +314,9 @@ config ETH0_PHY_LAN8720
 config ETH0_PHY_LAN8740
 	bool "SMSC LAN8740 PHY"
 
+config ETH0_PHY_LAN8740A
+	bool "SMSC LAN8740A PHY"
+
 config ETH0_PHY_DM9161
 	bool "Davicom DM9161 PHY"
 
diff --git a/include/nuttx/net/mii.h b/include/nuttx/net/mii.h
index 993f74c837b..0eccb66fdce 100644
--- a/include/nuttx/net/mii.h
+++ b/include/nuttx/net/mii.h
@@ -349,6 +349,11 @@
 #define MII_PHYID1_LAN8740           0x0007    /* ID1 value for LAN8740 */
 #define MII_PHYID2_LAN8740           0xc110    /* ID2 value for LAN8740 */
 
+/* SMSC LAN8740A MII ID1/2 register bits */
+
+#define MII_PHYID1_LAN8740A          0x0007    /* ID1 value for LAN8740A */
+#define MII_PHYID2_LAN8740A          0xc111    /* ID2 value for LAN8740A */
+
 /* Am79c874-specific register bit settings **********************************/
 /* Am79c874 MII ID1/2 register bits */