[WATCHDOG] Watchdog driver for AT32AP700X devices
Add support for the built in watchdog in AT32AP700X devices.
Tested on AT32AP7000 and ATSTK1000.
Hardware documentation can be found in the AT32AP7000 datasheet.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index 53f5538..520afb8 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -187,6 +187,26 @@
Say N if you are unsure.
+# AVR32 Architecture
+
+config AT32AP700X_WDT
+ tristate "AT32AP700x watchdog"
+ depends on WATCHDOG && CPU_AT32AP7000
+ help
+ Watchdog timer embedded into AT32AP700x devices. This will reboot
+ your system when the timeout is reached.
+
+config AT32AP700X_WDT_TIMEOUT
+ int "Timeout value for AT32AP700x watchdog"
+ depends on AT32AP700X_WDT
+ default "2"
+ range 1 2
+ help
+ Sets the timeout value for the watchdog in AT32AP700x devices.
+ Limited by hardware to be 1 or 2 seconds.
+
+ Set to 2 seconds by default.
+
# X86 (i386 + ia64 + x86_64) Architecture
config ACQUIRE_WDT