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>

drivers/rtc/Kconfig

@@ -312,6 +312,16 @@ config RTC_DRV_DS1302
 	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

drivers/rtc/Makefile

@@ -25,6 +25,7 @@ obj-$(CONFIG_RTC_DRV_DS1216)	+= rtc-ds1216.o
 obj-$(CONFIG_RTC_DRV_DS1302)	+= rtc-ds1302.o
 obj-$(CONFIG_RTC_DRV_DS1307)	+= rtc-ds1307.o
 obj-$(CONFIG_RTC_DRV_DS1374)	+= rtc-ds1374.o
+obj-$(CONFIG_RTC_DRV_DS1511)	+= rtc-ds1511.o
 obj-$(CONFIG_RTC_DRV_DS1553)	+= rtc-ds1553.o
 obj-$(CONFIG_RTC_DRV_DS1672)	+= rtc-ds1672.o
 obj-$(CONFIG_RTC_DRV_DS1742)	+= rtc-ds1742.o