watchdog: Add support for ux500_wdt watchdog

This patch adds support for the ux500_wdt watchdog that is found in
ST-Ericsson Ux500 platform.  The driver is based on PRCMU APIs.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 7f809fd4a57f..26e1fdbddf69 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -364,6 +364,18 @@ config IMX2_WDT
           To compile this driver as a module, choose M here: the
           module will be called imx2_wdt.
 
+config UX500_WATCHDOG
+        tristate "ST-Ericsson Ux500 watchdog"
+        depends on MFD_DB8500_PRCMU
+        select WATCHDOG_CORE
+        default y
+        help
+          Say Y here to include Watchdog timer support for the watchdog
+          existing in the prcmu of ST-Ericsson Ux500 series platforms.
+
+          To compile this driver as a module, choose M here: the
+          module will be called ux500_wdt.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT