watchdog: Kontron PLD watchdog timer driver

Add watchdog timer support for the on-board PLD found on some Kontron
embedded modules.

Originally-From: Michael Brunner <[email protected]>
Signed-off-by: Kevin Strasser <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Acked-by: Darren Hart <[email protected]>
Acked-by: Wim Van Sebroeck <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index e89fc31..7460d34 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -687,6 +687,17 @@
 	  To compile this driver as a module, choose M here: the module will be
 	  called hpwdt.
 
+config KEMPLD_WDT
+	tristate "Kontron COM Watchdog Timer"
+	depends on MFD_KEMPLD
+	select WATCHDOG_CORE
+	help
+	  Support for the PLD watchdog on some Kontron ETX and COMexpress
+	  (ETXexpress) modules
+
+	  This driver can also be built as a module. If so, the module will be
+	  called kempld_wdt.
+
 config HPWDT_NMI_DECODING
 	bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
 	depends on HP_WATCHDOG