diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
index 539ba2a52537..d31134435587 100644
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -443,6 +443,7 @@ CONFIG_RK_IOMMU=y
 CONFIG_RK_IOVMM=y
 CONFIG_PM_DEVFREQ=y
 CONFIG_IIO=y
+CONFIG_ROCKCHIP_SARADC=y
 CONFIG_PWM=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_USB=y