diff --git a/target/linux/sunxi/config-4.9 b/target/linux/sunxi/config-4.9
index e961c8ad82..16b367bee4 100644
--- a/target/linux/sunxi/config-4.9
+++ b/target/linux/sunxi/config-4.9
@@ -331,6 +331,7 @@ CONFIG_MDIO_SUN4I=y
 CONFIG_MEDIA_SUPPORT=y
 # CONFIG_MFD_AC100 is not set
 CONFIG_MFD_AXP20X=y
+CONFIG_MFD_AXP20X_I2C=y
 CONFIG_MFD_AXP20X_RSB=y
 CONFIG_MFD_CORE=y
 CONFIG_MFD_SUN6I_PRCM=y