diff --git a/arch/arm64/configs/rk3588s_cp4b_defconfig b/arch/arm64/configs/rk3588s_cp4b_defconfig
index 204bafbaf..595845169 100644
--- a/arch/arm64/configs/rk3588s_cp4b_defconfig
+++ b/arch/arm64/configs/rk3588s_cp4b_defconfig
@@ -337,6 +337,7 @@ CONFIG_VETH=y
 # CONFIG_NET_VENDOR_MELLANOX is not set
 # CONFIG_NET_VENDOR_MICREL is not set
 # CONFIG_NET_VENDOR_MICROCHIP is not set
+CONFIG_NET_VENDOR_MOTORCOMM=y
 # CONFIG_NET_VENDOR_MYRI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
 # CONFIG_NET_VENDOR_NVIDIA is not set