diff --git a/configs/r8a7795_salvator-x_defconfig b/configs/r8a7795_salvator-x_defconfig
index 8c7ad6b..5a09473 100644
--- a/configs/r8a7795_salvator-x_defconfig
+++ b/configs/r8a7795_salvator-x_defconfig
@@ -13,6 +13,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
@@ -31,6 +32,8 @@
 CONFIG_CLK_RENESAS=y
 CONFIG_DM_GPIO=y
 CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y
diff --git a/configs/r8a7795_ulcb_defconfig b/configs/r8a7795_ulcb_defconfig
index 4eaedfc..75316d7 100644
--- a/configs/r8a7795_ulcb_defconfig
+++ b/configs/r8a7795_ulcb_defconfig
@@ -13,6 +13,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
@@ -31,6 +32,8 @@
 CONFIG_CLK_RENESAS=y
 CONFIG_DM_GPIO=y
 CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y
diff --git a/configs/r8a7796_salvator-x_defconfig b/configs/r8a7796_salvator-x_defconfig
index 849c668..9055c29 100644
--- a/configs/r8a7796_salvator-x_defconfig
+++ b/configs/r8a7796_salvator-x_defconfig
@@ -14,6 +14,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
@@ -32,6 +33,8 @@
 CONFIG_CLK_RENESAS=y
 CONFIG_DM_GPIO=y
 CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index 8fa49c2..9a55ba9 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -14,6 +14,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
@@ -32,6 +33,8 @@
 CONFIG_CLK_RENESAS=y
 CONFIG_DM_GPIO=y
 CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y