diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index e6a850f71065cf3dc4e118c9995e568d9605dd15..0d29834b9688d0a5a4cb05372a083fc04dc5e6c8 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -129,6 +129,8 @@ CONFIG_DMADEVICES=y
 CONFIG_DMA_SUN6I=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXTCON=y
+CONFIG_IIO=y
+CONFIG_AXP20X_ADC=y
 CONFIG_PWM=y
 CONFIG_PWM_SUN4I=y
 CONFIG_PHY_SUN4I_USB=y