diff --git a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
index 771200c..2b9ae8f 100644
--- a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
@@ -150,6 +150,7 @@
 CONFIG_FSI=y
 CONFIG_FSI_MASTER_GPIO=y
 CONFIG_FSI_SCOM=y
+CONFIG_FSI_I2C=y
 CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_FANOTIFY=y
 CONFIG_AUTOFS4_FS=y
diff --git a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
index 2523ef5..9eb1366 100644
--- a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
@@ -154,6 +154,7 @@
 CONFIG_FSI=y
 CONFIG_FSI_MASTER_GPIO=y
 CONFIG_FSI_SCOM=y
+CONFIG_FSI_I2C=y
 CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_FANOTIFY=y
 CONFIG_AUTOFS4_FS=y