Platform real time clock driver for Dallas 1511 chip

Add RTC support for DS1511 RTC/WDT chip.

Signed-off-by: Andy Sharp <andy.sharp@onstor.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 0cc448c..4a39b76 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -312,6 +312,16 @@
 	help
 	  If you say yes here you get support for the Dallas DS1302 RTC chips.
 
+config RTC_DRV_DS1511
+	tristate "Dallas DS1511"
+	depends on RTC_CLASS
+	help
+	  If you say yes here you get support for the
+	  Dallas DS1511 timekeeping/watchdog chip.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-ds1511.
+
 config RTC_DRV_DS1553
 	tristate "Maxim/Dallas DS1553"
 	help