diff --git a/package/boot/uboot-rockchip/Makefile b/package/boot/uboot-rockchip/Makefile
index 53bfa773e3..174847f324 100644
--- a/package/boot/uboot-rockchip/Makefile
+++ b/package/boot/uboot-rockchip/Makefile
@@ -285,6 +285,13 @@ define U-Boot/nanopc-t6-rk3588
     friendlyarm_nanopc-t6
 endef
 
+define U-Boot/rock-5-itx-rk3588
+  $(U-Boot/rk358x/Default)
+  NAME:=ROCK 5 ITX/ITX+
+  BUILD_DEVICES:= \
+    radxa_rock-5-itx
+endef
+
 define U-Boot/rock5b-rk3588
   $(U-Boot/rk358x/Default)
   NAME:=ROCK 5B
@@ -352,6 +359,7 @@ UBOOT_TARGETS := \
   rock-3b-rk3568 \
   generic-rk3588 \
   nanopc-t6-rk3588 \
+  rock-5-itx-rk3588 \
   rock5b-rk3588 \
   sige7-rk3588 \
   nanopi-r6c-rk3588s \
diff --git a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
index ad23e05647..b210cd191c 100644
--- a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
+++ b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
@@ -24,6 +24,7 @@ rockchip_setup_interfaces()
 	friendlyarm,nanopi-r5c|\
 	radxa,e25|\
 	radxa,rock-3b|\
+	radxa,rock-5-itx|\
 	radxa,rock-5t)
 		ucidef_set_interfaces_lan_wan 'eth0' 'eth1'
 		;;
diff --git a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
index 5ca382ea92..e8650f8d99 100644
--- a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
+++ b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
@@ -50,6 +50,7 @@ friendlyarm,nanopi-r4s|\
 friendlyarm,nanopi-r4s-enterprise|\
 friendlyarm,nanopi-r6c|\
 friendlyarm,nanopc-t6|\
+radxa,rock-5-itx|\
 radxa,rock-5t)
 	set_interface_core 10 "eth0"
 	set_interface_core 20 "eth1"
diff --git a/target/linux/rockchip/image/armv8.mk b/target/linux/rockchip/image/armv8.mk
index 2406598e9b..0d1c646da7 100644
--- a/target/linux/rockchip/image/armv8.mk
+++ b/target/linux/rockchip/image/armv8.mk
@@ -198,6 +198,14 @@ define Device/radxa_rock-4se
 endef
 TARGET_DEVICES += radxa_rock-4se
 
+define Device/radxa_rock-5-itx
+  DEVICE_VENDOR := Radxa
+  DEVICE_MODEL := ROCK 5 ITX/ITX+
+  SOC := rk3588
+  DEVICE_PACKAGES := blkdiscard block-mount kmod-ata-ahci kmod-hwmon-pwmfan kmod-nvme kmod-r8169 kmod-rtw89-8852be wpad-basic-mbedtls
+endef
+TARGET_DEVICES += radxa_rock-5-itx
+
 define Device/radxa_rock-5a
   DEVICE_VENDOR := Radxa
   DEVICE_MODEL := ROCK 5A