The value can be overridden by the wdt_period command-line parameter.
+config MEN_A21_WDT
+ tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
+ select WATCHDOG_CORE
+ depends on GPIOLIB
+ help
+ Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
+
+ The driver can also be built as a module. If so, the module will be
+ called mena21_wdt.
+
+ If unsure select N here.
+
# PPC64 Architecture
config WATCHDOG_RTAS