rtc: snvs: add Freescale rtc-snvs driver

Add an RTC driver for Freescale Secure Non-Volatile Storage (SNVS)
Low Power (LP) RTC.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index d4681c97f7cc..f87bfea6718c 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1109,4 +1109,15 @@ config RTC_DRV_MXC
            This driver can also be built as a module, if so, the module
            will be called "rtc-mxc".
 
+config RTC_DRV_SNVS
+        tristate "Freescale SNVS RTC support"
+        depends on HAS_IOMEM
+        depends on OF
+        help
+           If you say yes here you get support for the Freescale SNVS
+           Low Power (LP) RTC module.
+
+           This driver can also be built as a module, if so, the module
+           will be called "rtc-snvs".
+
 endif # RTC_CLASS