watchdog: Add Spreadtrum watchdog driver

This patch adds the watchdog driver for Spreadtrum SC9860 platform.

Signed-off-by: Eric Long <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index be37e10..6331732 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -799,6 +799,14 @@
 	  Say Y here to include support for the watchdog timer in
 	  Realtek RTD1295 SoCs.
 
+config SPRD_WATCHDOG
+	tristate "Spreadtrum watchdog support"
+	depends on ARCH_SPRD || COMPILE_TEST
+	select WATCHDOG_CORE
+	help
+	  Say Y here to include watchdog timer supported
+	  by Spreadtrum system.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT