diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index 18886c53424a..7b4fc0143148 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