drivers/rtc/rtc-m41t80.c: add support for MicroCrystal rv4162

Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Cc: Jingoo Han <jg1.han@samsung.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>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index ac4fa56..f4e1138 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -386,12 +386,12 @@
 	  will be called rtc-pcf8583.
 
 config RTC_DRV_M41T80
-	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
+	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
 	help
 	  If you say Y here you will get support for the ST M41T60
 	  and M41T80 RTC chips series. Currently, the following chips are
 	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
-	  M41ST85, and M41ST87.
+	  M41ST85, M41ST87, and MicroCrystal RV4162.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-m41t80.
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index d348b23..7ff7427 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -78,6 +78,7 @@
 	{ "m41st84", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
 	{ "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
 	{ "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "rv4162", M41T80_FEATURE_SQ | M41T80_FEATURE_WD | M41T80_FEATURE_SQ_ALT },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, m41t80_id);