rtc: add Intersil ISL12022 RTC driver

- derived from rtc-pcf8563

- no SRAM driver

Signed-off-by: Roman Fietze <roman.fietze@telemotive.de>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 6ed5e7e7e79f..999db51e6a58 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -203,6 +203,15 @@ config RTC_DRV_ISL1208
           This driver can also be built as a module. If so, the module
           will be called rtc-isl1208.
 
+config RTC_DRV_ISL12022
+        tristate "Intersil ISL12022"
+        help
+          If you say yes here you get support for the
+          Intersil ISL12022 RTC chip.
+
+          This driver can also be built as a module. If so, the module
+          will be called rtc-isl12022.
+
 config RTC_DRV_X1205
         tristate "Xicor/Intersil X1205"
         help