diff --git a/rk356x/BoardConfig.mk b/rk356x/BoardConfig.mk
new file mode 100644
index 0000000..f79d422
--- /dev/null
+++ b/rk356x/BoardConfig.mk
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Target arch
+export RK_ARCH=arm64
+# Uboot defconfig
+export RK_UBOOT_DEFCONFIG=rk3568
+# Uboot image format type: fit(flattened image tree)
+export RK_UBOOT_FORMAT_TYPE=fit
+# Kernel defconfig
+export RK_KERNEL_DEFCONFIG=rockchip_linux_defconfig
+# Kernel defconfig fragment
+export RK_KERNEL_DEFCONFIG_FRAGMENT=
+# Kernel dts
+export RK_KERNEL_DTS=rk3568-evb1-ddr4-v10-linux
+# boot image type
+export RK_BOOT_IMG=boot.img
+# kernel image path
+export RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
+# kernel image format type: fit(flattened image tree)
+export RK_KERNEL_FIT_ITS=boot.its
+# parameter for GPT table
+export RK_PARAMETER=parameter-buildroot-fit.txt
+# Buildroot config
+export RK_CFG_BUILDROOT=rockchip_rk356x
+# Recovery config
+export RK_CFG_RECOVERY=rockchip_rk356x_recovery
+# Recovery image format type: fit(flattened image tree)
+export RK_RECOVERY_FIT_ITS=boot4recovery.its
+# ramboot config
+export RK_CFG_RAMBOOT=
+# Pcba config
+export RK_CFG_PCBA=
+# Build jobs
+export RK_JOBS=12
+# target chip
+export RK_TARGET_PRODUCT=rk356x
+# Set rootfs type, including ext2 ext4 squashfs
+export RK_ROOTFS_TYPE=ext4
+# rootfs image path
+export RK_ROOTFS_IMG=rockdev/rootfs.${RK_ROOTFS_TYPE}
+# Set ramboot image type
+export RK_RAMBOOT_TYPE=
+# Set oem partition type, including ext2 squashfs
+export RK_OEM_FS_TYPE=ext2
+# Set userdata partition type, including ext2, fat
+export RK_USERDATA_FS_TYPE=ext2
+#OEM config
+export RK_OEM_DIR=oem_normal
+# OEM build on buildroot
+export RK_OEM_BUILDIN_BUILDROOT=YES
+#userdata config
+export RK_USERDATA_DIR=userdata_normal
+#misc image
+export RK_MISC=wipe_all-misc.img
+#choose enable distro module
+export RK_DISTRO_MODULE=
+# Define pre-build script for this board
+export RK_BOARD_PRE_BUILD_SCRIPT=app-build.sh
diff --git a/rk356x/boot.its b/rk356x/boot.its
new file mode 100644
index 0000000..6d5a908
--- /dev/null
+++ b/rk356x/boot.its
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+/dts-v1/;
+/ {
+    description = "U-Boot FIT source file for arm";
+
+    images {
+        fdt {
+            data = /incbin/("kernel/arch/arm64/boot/dts/rk3568-evb1-ddr4-v10-linux.dtb");
+            type = "flat_dt";
+            arch = "arm64";
+            compression = "none";
+            load = <0xffffff00>;
+
+            hash {
+                algo = "sha256";
+            };
+        };
+
+        kernel {
+            data = /incbin/("kernel/arch/arm64/boot/Image");
+            type = "kernel";
+            arch = "arm64";
+            os = "linux";
+            compression = "none";
+            entry = <0xffffff01>;
+            load = <0xffffff01>;
+
+            hash {
+                algo = "sha256";
+            };
+        };
+
+        resource {
+            data = /incbin/("kernel/resource.img");
+            type = "multi";
+            arch = "arm64";
+            compression = "none";
+
+            hash {
+                algo = "sha256";
+            };
+        };
+    };
+
+    configurations {
+        default = "conf";
+
+        conf {
+            rollback-index = <0x00>;
+            fdt = "fdt";
+            kernel = "kernel";
+            multi = "resource";
+
+            signature {
+                algo = "sha256,rsa2048";
+                padding = "pss";
+                key-name-hint = "dev";
+                sign-images = "fdt", "kernel", "multi";
+            };
+        };
+    };
+};
diff --git a/rk356x/boot4recovery.its b/rk356x/boot4recovery.its
new file mode 100644
index 0000000..4260ee3
--- /dev/null
+++ b/rk356x/boot4recovery.its
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+/dts-v1/;
+/ {
+    description = "U-Boot FIT source file for arm";
+
+    images {
+        fdt {
+            data = /incbin/("kernel/arch/arm64/boot/dts/rk3568-evb1-ddr4-v10-linux.dtb");
+            type = "flat_dt";
+            arch = "arm64";
+            compression = "none";
+            load = <0xffffff00>;
+
+            hash {
+                algo = "sha256";
+            };
+        };
+
+        kernel {
+            data = /incbin/("kernel/arch/arm64/boot/Image");
+            type = "kernel";
+            arch = "arm64";
+            os = "linux";
+            compression = "none";
+            entry = <0xffffff01>;
+            load = <0xffffff01>;
+
+            hash {
+                algo = "sha256";
+            };
+        };
+
+		ramdisk {
+			data = /incbin/("out/ramdisk");
+			type = "ramdisk";
+			arch = "arm64";
+			os = "linux";
+			compression = "none";
+			load = <0xffffff02>;
+
+			hash {
+				algo = "sha256";
+			};
+		};
+
+        resource {
+            data = /incbin/("kernel/resource.img");
+            type = "multi";
+            arch = "arm64";
+            compression = "none";
+
+            hash {
+                algo = "sha256";
+            };
+        };
+    };
+
+    configurations {
+        default = "conf";
+
+        conf {
+            rollback-index = <0x00>;
+            fdt = "fdt";
+            kernel = "kernel";
+            ramdisk = "ramdisk";
+            multi = "resource";
+
+            signature {
+                algo = "sha256,rsa2048";
+                padding = "pss";
+                key-name-hint = "dev";
+                sign-images = "fdt", "kernel", "ramdisk", "multi";
+            };
+        };
+    };
+};
diff --git a/rk356x/parameter-buildroot-fit.txt b/rk356x/parameter-buildroot-fit.txt
new file mode 100644
index 0000000..5efb5b3
--- /dev/null
+++ b/rk356x/parameter-buildroot-fit.txt
@@ -0,0 +1,12 @@
+FIRMWARE_VER: 1.0
+MACHINE_MODEL: RK3568
+MACHINE_ID: 007
+MANUFACTURER: RK3568
+MAGIC: 0x5041524B
+ATAG: 0x00200800
+MACHINE: 0xffffffff
+CHECK_MASK: 0x80
+PWR_HLD: 0,0,A,0,1
+TYPE: GPT
+CMDLINE: mtdparts=rk29xxnand:0x00002000@0x00004000(uboot),0x00002000@0x00006000(misc),0x00010000@0x00008000(boot),0x00010000@0x00018000(recovery),0x00010000@0x00028000(backup),0x00200000@0x00038000(rootfs),0x00040000@0x00238000(oem),-@0x00278000(userdata:grow)
+uuid:rootfs=614e0000-0000-4b53-8000-1d28000054a9