watchdog: atlas7: add watchdog driver of CSRatlas7

This patch adds watchdog driver for CSRatlas7 platform.
On CSRatlas7, the 6th timer can act as a watchdog timer
when the Watchdog mode is enabled.

Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: William Wang <William.Wang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 71e47dde7d4a..2116e088fd25 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -585,6 +585,16 @@ config LPC18XX_WATCHDOG
           To compile this driver as a module, choose M here: the
           module will be called lpc18xx_wdt.
 
+config ATLAS7_WATCHDOG
+        tristate "CSRatlas7 watchdog"
+        depends on ARCH_ATLAS7
+        help
+          Say Y here to include Watchdog timer support for the watchdog
+          existing on the CSRatlas7 series platforms.
+
+          To compile this driver as a module, choose M here: the
+          module will be called atlas7_wdt.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT