diff --git a/arch/arm/dts/rk3229-evb-u-boot.dtsi b/arch/arm/dts/rk3229-evb-u-boot.dtsi
new file mode 100644
index 0000000..b65149c
--- /dev/null
+++ b/arch/arm/dts/rk3229-evb-u-boot.dtsi
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk322x-u-boot.dtsi"
+
+/ {
+	chosen {
+		stdout-path = &uart2;
+	};
+};
+
+&dmc {
+	rockchip,pctl-timing = <0x96 0xC8 0x1F3 0xF 0x8000004D 0x4 0x4E 0x6 0x3
+		0x0 0x6 0x5 0xC 0x10 0x6 0x4 0x4
+		0x5 0x4 0x200 0x3 0xA 0x40 0x0 0x1
+		0x5 0x5 0x3 0xC 0x1E 0x100 0x0 0x4
+		0x0 0x924>;
+	rockchip,phy-timing = <0x220 0x1 0x0 0x0 0x0 0x4 0x60>;
+	rockchip,sdram-params = <0x428B188 0x0 0x21 0x472 0x15
+		0 300 3 0 120>;
+};
+
+&emmc {
+	u-boot,dm-pre-reloc;
+};
+
+&uart2 {
+	u-boot,dm-pre-reloc;
+};
diff --git a/arch/arm/dts/rk3229-evb.dts b/arch/arm/dts/rk3229-evb.dts
index 632cdc9..66a3ba2 100644
--- a/arch/arm/dts/rk3229-evb.dts
+++ b/arch/arm/dts/rk3229-evb.dts
@@ -11,10 +11,6 @@
 	model = "Rockchip RK3229 Evaluation board";
 	compatible = "rockchip,rk3229-evb", "rockchip,rk3229";
 
-	chosen {
-		stdout-path = &uart2;
-	};
-
 	memory@60000000 {
 		device_type = "memory";
 		reg = <0x60000000 0x40000000>;
@@ -38,17 +34,6 @@
 	};
 };
 
-&dmc {
-	rockchip,pctl-timing = <0x96 0xC8 0x1F3 0xF 0x8000004D 0x4 0x4E 0x6 0x3
-		0x0 0x6 0x5 0xC 0x10 0x6 0x4 0x4
-		0x5 0x4 0x200 0x3 0xA 0x40 0x0 0x1
-		0x5 0x5 0x3 0xC 0x1E 0x100 0x0 0x4
-		0x0 0x924>;
-	rockchip,phy-timing = <0x220 0x1 0x0 0x0 0x0 0x4 0x60>;
-	rockchip,sdram-params = <0x428B188 0x0 0x21 0x472 0x15
-		0 300 3 0 120>;
-};
-
 &gmac {
 	assigned-clocks = <&cru SCLK_MAC_EXTCLK>, <&cru SCLK_MAC>;
 	assigned-clock-parents = <&ext_gmac>, <&cru SCLK_MAC_EXTCLK>;
@@ -66,7 +51,6 @@
 };
 
 &emmc {
-	u-boot,dm-pre-reloc;
 	status = "okay";
 };
 
@@ -82,7 +66,6 @@
 };
 
 &uart2 {
-	u-boot,dm-pre-reloc;
 	status = "okay";
 };
 
diff --git a/arch/arm/dts/rk322x-u-boot.dtsi b/arch/arm/dts/rk322x-u-boot.dtsi
new file mode 100644
index 0000000..79c41e4
--- /dev/null
+++ b/arch/arm/dts/rk322x-u-boot.dtsi
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "rockchip-u-boot.dtsi"
+
+/ {
+	bus_intmem@10080000 {
+		compatible = "mmio-sram";
+		reg = <0x10080000 0x9000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x10080000 0x9000>;
+
+		smp-sram@0 {
+			compatible = "rockchip,rk322x-smp-sram";
+			reg = <0x00 0x10>;
+		};
+
+		ddr_sram: ddr-sram@1000 {
+			compatible = "rockchip,rk322x-ddr-sram";
+			reg = <0x1000 0x8000>;
+		};
+	};
+
+	dmc: dmc@11200000 {
+		compatible = "rockchip,rk3228-dmc", "syscon";
+		reg = <0x11200000 0x3fc
+		       0x12000000 0x400>;
+		rockchip,cru = <&cru>;
+		rockchip,grf = <&grf>;
+		rockchip,msch = <&service_msch>;
+		rockchip,sram = <&ddr_sram>;
+		u-boot,dm-pre-reloc;
+	};
+
+	service_msch: syscon@31090000 {
+		compatible = "rockchip,rk3228-msch", "syscon";
+		reg = <0x31090000 0x2000>;
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&cru {
+	u-boot,dm-pre-reloc;
+};
+
+&emmc {
+	max-frequency = <150000000>;
+};
+
+&grf {
+	u-boot,dm-pre-reloc;
+};
+
+&sdmmc {
+	max-frequency = <150000000>;
+};
diff --git a/arch/arm/dts/rk322x.dtsi b/arch/arm/dts/rk322x.dtsi
index 4a8be5d..3245da3 100644
--- a/arch/arm/dts/rk322x.dtsi
+++ b/arch/arm/dts/rk322x.dtsi
@@ -107,22 +107,6 @@
 		#clock-cells = <0>;
 	};
 
-	bus_intmem@10080000 {
-		compatible = "mmio-sram";
-		reg = <0x10080000 0x9000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0 0x10080000 0x9000>;
-		smp-sram@0 {
-			compatible = "rockchip,rk322x-smp-sram";
-			reg = <0x00 0x10>;
-		};
-		ddr_sram: ddr-sram@1000 {
-			compatible = "rockchip,rk322x-ddr-sram";
-			reg = <0x1000 0x8000>;
-		};
-	};
-
 	i2s1: i2s1@100b0000 {
 		compatible = "rockchip,rk3228-i2s", "rockchip,rk3066-i2s";
 		reg = <0x100b0000 0x4000>;
@@ -165,7 +149,6 @@
 	};
 
 	grf: syscon@11000000 {
-		u-boot,dm-pre-reloc;
 		compatible = "rockchip,rk3228-grf", "syscon";
 		reg = <0x11000000 0x1000>;
 	};
@@ -317,7 +300,6 @@
 	};
 
 	cru: clock-controller@110e0000 {
-		u-boot,dm-pre-reloc;
 		compatible = "rockchip,rk3228-cru";
 		reg = <0x110e0000 0x1000>;
 		rockchip,grf = <&grf>;
@@ -387,7 +369,6 @@
 	sdmmc: dwmmc@30000000 {
 		compatible = "rockchip,rk3228-dw-mshc", "rockchip,rk3288-dw-mshc";
 		reg = <0x30000000 0x4000>;
-		max-frequency = <150000000>;
 		interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
 			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
@@ -414,7 +395,6 @@
 	emmc: dwmmc@30020000 {
 		compatible = "rockchip,rk3288-dw-mshc";
 		reg = <0x30020000 0x4000>;
-		max-frequency = <150000000>;
 		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
 			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
@@ -768,21 +748,4 @@
 			};
 		};
 	};
-
-	dmc: dmc@11200000 {
-		u-boot,dm-pre-reloc;
-		compatible = "rockchip,rk3228-dmc", "syscon";
-		rockchip,cru = <&cru>;
-		rockchip,grf = <&grf>;
-		rockchip,msch = <&service_msch>;
-		reg = <0x11200000 0x3fc
-		       0x12000000 0x400>;
-		rockchip,sram = <&ddr_sram>;
-	};
-
-	service_msch: syscon@31090000 {
-		u-boot,dm-pre-reloc;
-		compatible = "rockchip,rk3228-msch", "syscon";
-		reg = <0x31090000 0x2000>;
-	};
 };