--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -747,6 +747,12 @@ config TXX9_WDT
 	help
 	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
 
+config ATHEROS_WDT
+	tristate "Atheros wisoc Watchdog Timer"
+	depends on ATHEROS
+	help
+	  Hardware driver for the Atheros wisoc Watchdog Timer.
+
 # PARISC Architecture
 
 # POWERPC Architecture
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -106,6 +106,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
 obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
 obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
 obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
+obj-$(CONFIG_ATHEROS_WDT) += ar2315-wtd.o
 
 # PARISC Architecture