diff --git a/configs/bk4r1_defconfig b/configs/bk4r1_defconfig
index cf1fd0b..9e31b4a 100644
--- a/configs/bk4r1_defconfig
+++ b/configs/bk4r1_defconfig
@@ -40,6 +40,7 @@
 CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_MII=y
+CONFIG_RTC_M41T62=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
 CONFIG_SPI=y