diff --git a/arch/arm/configs/koelsch_defconfig b/arch/arm/configs/koelsch_defconfig
index 30157975998a7938627c445a23c04b25f452f25e..c3b3c9d1d4e8f1206c8576908d7f7f3f31dfc154 100644
--- a/arch/arm/configs/koelsch_defconfig
+++ b/arch/arm/configs/koelsch_defconfig
@@ -62,6 +62,8 @@ CONFIG_SH_ETH=y
 CONFIG_SERIAL_SH_SCI=y
 CONFIG_SERIAL_SH_SCI_NR_UARTS=20
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_I2C=y
+CONFIG_I2C_RCAR=y
 # CONFIG_HWMON is not set
 CONFIG_THERMAL=y
 CONFIG_RCAR_THERMAL=y