diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index 18886c53424aea1fefff730d3424a438859db9a1..7b4fc01431483f217a97e69a93987e86ecc67c4f 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -193,6 +193,7 @@ CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_RS5C372=y
+CONFIG_RTC_DRV_BQ32K=y
 CONFIG_RTC_DRV_S35390A=y
 CONFIG_RTC_DRV_RX8581=y
 CONFIG_RTC_DRV_DA9063=y