diff --git a/arch/arm/configs/rk3308_linux_aarch32_defconfig b/arch/arm/configs/rk3308_linux_aarch32_defconfig
index a13da8a4c93d..0978dbec6bb6 100644
--- a/arch/arm/configs/rk3308_linux_aarch32_defconfig
+++ b/arch/arm/configs/rk3308_linux_aarch32_defconfig
@@ -208,6 +208,7 @@ CONFIG_DEVFREQ_GOV_USERSPACE=y
 CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ=y
 CONFIG_PM_DEVFREQ_EVENT=y
 CONFIG_DEVFREQ_EVENT_ROCKCHIP_NOCP=y
+CONFIG_EXTCON=y
 CONFIG_IIO=y
 CONFIG_IIO_BUFFER=y
 CONFIG_IIO_KFIFO_BUF=y