--- a/arch/mips/ath79/machtypes.h	2016-04-12 21:08:09.309541276 +0200
+++ b/arch/mips/ath79/machtypes.h	2016-04-12 21:08:43.200013377 +0200
@@ -152,6 +152,7 @@
	ATH79_MACH_TL_WA901ND,		/* TP-LINK TL-WA901ND */
	ATH79_MACH_TL_WA901ND_V2,	/* TP-LINK TL-WA901ND v2 */
	ATH79_MACH_TL_WA901ND_V3,	/* TP-LINK TL-WA901ND v3 */
+	ATH79_MACH_TL_WA901ND_V4,	/* TP-LINK TL-WA901ND v4 */
	ATH79_MACH_TL_WDR3500,		/* TP-LINK TL-WDR3500 */
	ATH79_MACH_TL_WDR4300,		/* TP-LINK TL-WDR4300 */
	ATH79_MACH_TL_WDR4900_V2,	/* TP-LINK TL-WDR4900 v2 */
--- a/arch/mips/ath79/Kconfig	2016-04-12 21:00:07.267269819 +0200
+++ b/arch/mips/ath79/Kconfig	2016-04-12 21:00:08.803199911 +0200
@@ -1023,6 +1023,15 @@
	select ATH79_DEV_M25P80
	select ATH79_DEV_WMAC

+config ATH79_MACH_TL_WA901ND_V4
+	bool "TP-LINK TL-WA901ND v4 support"
+	select SOC_QCA956X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_TL_WDR3500
	bool "TP-LINK TL-WDR3500 board support"
	select SOC_AR934X
--- a/arch/mips/ath79/Makefile	2016-04-12 21:03:21.974455904 +0200
+++ b/arch/mips/ath79/Makefile	2016-04-12 21:02:56.115621524 +0200
@@ -128,6 +128,7 @@
 obj-$(CONFIG_ATH79_MACH_TL_WA830RE_V2)	+= mach-tl-wa830re-v2.o
 obj-$(CONFIG_ATH79_MACH_TL_WA901ND)	+= mach-tl-wa901nd.o
 obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V2)	+= mach-tl-wa901nd-v2.o
+obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V4)	+= mach-tl-wa901nd-v4.o
 obj-$(CONFIG_ATH79_MACH_TL_WDR3500)     += mach-tl-wdr3500.o
 obj-$(CONFIG_ATH79_MACH_TL_WDR4300)     += mach-tl-wdr4300.o
 obj-$(CONFIG_ATH79_MACH_TL_WR741ND)	+= mach-tl-wr741nd.o