rtc: add Dallas DS1390/93/94 RTC chips
Add support for the Dallas DS1390/93/94 SPI RTC chip.
Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
Acked-by: 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 990020c..123092d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -310,6 +310,17 @@
This driver can also be built as a module. If so, the module
will be called rtc-ds1305.
+config RTC_DRV_DS1390
+ tristate "Dallas/Maxim DS1390/93/94"
+ help
+ If you say yes here you get support for the DS1390/93/94 chips.
+
+ This driver only supports the RTC feature, and not other chip
+ features such as alarms and trickle charging.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1390.
+
config RTC_DRV_MAX6902
tristate "Maxim MAX6902"
help