--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -491,6 +491,17 @@ config ATH79_MACH_TEW_632BRP
 	select ATH79_DEV_WMAC
 	select ATH79_NVRAM
 
+config ATH79_MACH_TEW_673GRU
+	bool "TRENDnet TEW-673GRU support"
+	select SOC_AR71XX
+	select ATH79_DEV_AP9X_PCI if PCI
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_USB
+	select ATH79_NVRAM
+
 config ATH79_MACH_UBNT
 	bool "Ubiquiti AR71xx based boards support"
 	select SOC_AR71XX
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -53,6 +53,7 @@ enum ath79_mach_type {
 	ATH79_MACH_RB_750,		/* MikroTik RouterBOARD 750 */
 	ATH79_MACH_RW2458N,		/* Redwave RW2458N */
 	ATH79_MACH_TEW_632BRP,		/* TRENDnet TEW-632BRP */
+	ATH79_MACH_TEW_673GRU,		/* TRENDnet TEW-673GRU */
 	ATH79_MACH_TL_MR11U,		/* TP-LINK TL-MR11U */
 	ATH79_MACH_TL_MR3020,		/* TP-LINK TL-MR3020 */
 	ATH79_MACH_TL_MR3220,		/* TP-LINK TL-MR3220 */
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_ATH79_MACH_RB4XX)		+= mach-
 obj-$(CONFIG_ATH79_MACH_RB750)		+= mach-rb750.o
 obj-$(CONFIG_ATH79_MACH_RW2458N)	+= mach-rw2458n.o
 obj-$(CONFIG_ATH79_MACH_TEW_632BRP)	+= mach-tew-632brp.o
+obj-$(CONFIG_ATH79_MACH_TEW_673GRU)	+= mach-tew-673gru.o
 obj-$(CONFIG_ATH79_MACH_TL_MR11U)	+= mach-tl-mr11u.o
 obj-$(CONFIG_ATH79_MACH_TL_MR3020)	+= mach-tl-mr3020.o
 obj-$(CONFIG_ATH79_MACH_TL_MR3X20)	+= mach-tl-mr3x20.o