diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 296b90e94f799090ea1a77a11513b2b0c44639f8..9c3d9ea7c035e36d826e72c129ab48d5f20ba0df 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -340,6 +340,7 @@ CONFIG_I2C_UNIPHIER_F=y
 CONFIG_I2C_RCAR=y
 CONFIG_I2C_CROS_EC_TUNNEL=y
 CONFIG_XEN_I2C_BACKEND=y
+CONFIG_I2C_RPBUS=y
 CONFIG_SPI=y
 CONFIG_SPI_BCM2835=m
 CONFIG_SPI_BCM2835AUX=m
@@ -702,6 +703,7 @@ CONFIG_HI6220_MBOX=y
 CONFIG_ROCKCHIP_IOMMU=y
 CONFIG_ARM_SMMU=y
 CONFIG_ARM_SMMU_V3=y
+CONFIG_RPMSG=y
 CONFIG_RPMSG_QCOM_SMD=y
 CONFIG_RASPBERRYPI_POWER=y
 CONFIG_ARCH_MXC_ARM64=y