[WATCHDOG] TXx9 watchdog driver

This is a driver for watchdog timer built into TXx9 MIPS SoCs.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index fbd6112..899fc13 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -639,6 +639,12 @@
 	help
 	  Hardware driver for the TI AR7 Watchdog Timer.
 
+config TXX9_WDT
+	tristate "Toshiba TXx9 Watchdog Timer"
+	depends on CPU_TX39XX || CPU_TX49XX
+	help
+	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
+
 # PARISC Architecture
 
 # POWERPC Architecture