rtc: add driver for Maxim 77802 PMIC Real-Time-Clock
The MAX7802 PMIC has a Real-Time-Clock (RTC) with two alarms. This
patch adds support for the RTC and is based on a driver added by Simon
Glass to the Chrome OS kernel 3.8 tree.
[akpm@linux-foundation.org: add comment clarifying ffs() use]
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Doug Anderson <dianders@chromium.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Olof Johansson <olof@lixom.net>
Cc: Simon Glass <sjg@chromium.org>
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 943afaf8..d59c365 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -298,6 +298,16 @@
This driver can also be built as a module. If so, the module
will be called rk808-rtc.
+config RTC_DRV_MAX77802
+ tristate "Maxim 77802 RTC"
+ depends on MFD_MAX77686
+ help
+ If you say yes here you will get support for the
+ RTC of Maxim MAX77802 PMIC.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-max77802.
+
config RTC_DRV_RS5C372
tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
help