diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 28984613dbef6b81a8da250e77084667ce02c7b1..c83e7503443c0b6d5b07d28e443b3e352f9617b1 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -349,6 +349,7 @@ 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
@@ -690,6 +691,7 @@ CONFIG_BCM2835_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_QCOM_SMEM=y