diff --git a/target/linux/ar71xx/config-2.6.28 b/target/linux/ar71xx/config-2.6.28
index dd85b410a7..76dbdd4ded 100644
--- a/target/linux/ar71xx/config-2.6.28
+++ b/target/linux/ar71xx/config-2.6.28
@@ -93,7 +93,10 @@ CONFIG_HAVE_IDE=y
 CONFIG_HAVE_OPROFILE=y
 CONFIG_HW_HAS_PCI=y
 # CONFIG_HW_RANDOM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_GPIO=y
 CONFIG_ICPLUS_PHY=y
 # CONFIG_IDE is not set
 CONFIG_INITRAMFS_ROOT_GID=0
diff --git a/target/linux/ar71xx/config-2.6.29 b/target/linux/ar71xx/config-2.6.29
index c15aa83e75..f425ff5047 100644
--- a/target/linux/ar71xx/config-2.6.29
+++ b/target/linux/ar71xx/config-2.6.29
@@ -98,7 +98,10 @@ CONFIG_HAVE_IDE=y
 CONFIG_HAVE_OPROFILE=y
 CONFIG_HW_HAS_PCI=y
 # CONFIG_HW_RANDOM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_GPIO=y
 CONFIG_ICPLUS_PHY=y
 CONFIG_INITRAMFS_ROOT_GID=0
 CONFIG_INITRAMFS_ROOT_UID=0
diff --git a/target/linux/ar71xx/config-2.6.30 b/target/linux/ar71xx/config-2.6.30
index 4ee0301c25..38220f78e3 100644
--- a/target/linux/ar71xx/config-2.6.30
+++ b/target/linux/ar71xx/config-2.6.30
@@ -106,7 +106,10 @@ CONFIG_HAVE_MLOCK=y
 CONFIG_HAVE_OPROFILE=y
 CONFIG_HW_HAS_PCI=y
 # CONFIG_HW_RANDOM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_GPIO=y
 CONFIG_ICPLUS_PHY=y
 CONFIG_INITRAMFS_ROOT_GID=0
 CONFIG_INITRAMFS_ROOT_UID=0