rtc: U300 COH 901 331 RTC driver v3

This adds a driver for the RTC COH 901 331 found in the ST-Ericsson U300
series mobile platforms to the RTC subsystem.  It integrates to the ARM
kernel support recently added to RMKs ARM tree and will be enabled in the
U300 defconfig in due time.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: 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, 12 insertions, 0 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 18c5be168a5a..c5b906bcdbb2 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -798,4 +798,16 @@ config RTC_DRV_PS3
           This driver can also be built as a module. If so, the module
           will be called rtc-ps3.
 
+config RTC_DRV_COH901331
+        tristate "ST-Ericsson COH 901 331 RTC"
+        depends on ARCH_U300
+        help
+          If you say Y here you will get access to ST-Ericsson
+          COH 901 331 RTC clock found in some ST-Ericsson Mobile
+          Platforms.
+
+          This driver can also be built as a module. If so, the module
+          will be called "rtc-coh901331".
+
+
 endif # RTC_CLASS