--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -75,6 +75,7 @@ enum ath79_mach_type {
 	ATH79_MACH_RB_951G,		/* Mikrotik RouterBOARD 951G */
 	ATH79_MACH_RB_2011G,		/* Mikrotik RouterBOARD 2011UAS-2HnD */
 	ATH79_MACH_RB_2011L,		/* Mikrotik RouterBOARD 2011L */
+	ATH79_MACH_RB_2011US,		/* Mikrotik RouterBOARD 2011UAS */
 	ATH79_MACH_RW2458N,		/* Redwave RW2458N */
 	ATH79_MACH_TEW_632BRP,		/* TRENDnet TEW-632BRP */
 	ATH79_MACH_TEW_673GRU,		/* TRENDnet TEW-673GRU */