rtc: rc5t583: add ricoh rc5t583 RTC driver

Add an RTC driver for the RTC device on Ricoh MFD Rc5t583.  Ricoh RTC has
3 types of alarms.  The current patch adds support for the Y-Alarm of
RC5t583 RTC.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index f92d17bc9566..94764560d110 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -350,6 +350,16 @@ config RTC_DRV_TPS65910
           This driver can also be built as a module. If so, the module
           will be called rtc-tps65910.
 
+config RTC_DRV_RC5T583
+        tristate "RICOH 5T583 RTC driver"
+        depends on MFD_RC5T583
+        help
+          If you say yes here you get support for the RTC on the
+          RICOH 5T583 chips.
+
+          This driver can also be built as a module. If so, the module
+          will be called rtc-rc5t583.
+
 config RTC_DRV_S35390A
         tristate "Seiko Instruments S-35390A"
         select BITREVERSE