diff --git a/arch/arm/dts/rk3328-evb-u-boot.dtsi b/arch/arm/dts/rk3328-evb-u-boot.dtsi
index 22bfaef..58ebf52 100644
--- a/arch/arm/dts/rk3328-evb-u-boot.dtsi
+++ b/arch/arm/dts/rk3328-evb-u-boot.dtsi
@@ -3,6 +3,8 @@
  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
  */
 
+#include "rk3328-sdram-ddr3-666.dtsi"
+
 / {
 	aliases {
 		mmc0 = &emmc;
diff --git a/arch/arm/dts/rk3328-rock64-u-boot.dtsi b/arch/arm/dts/rk3328-rock64-u-boot.dtsi
index 928911f..dbcce6a 100644
--- a/arch/arm/dts/rk3328-rock64-u-boot.dtsi
+++ b/arch/arm/dts/rk3328-rock64-u-boot.dtsi
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier:     GPL-2.0+
  */
 
+#include "rk3328-sdram-lpddr3-1600.dtsi"
+
 / {
 	aliases {
 		mmc0 = &emmc;
diff --git a/arch/arm/dts/rk3328-sdram-ddr3-666.dtsi b/arch/arm/dts/rk3328-sdram-ddr3-666.dtsi
new file mode 100644
index 0000000..d99e7e0
--- /dev/null
+++ b/arch/arm/dts/rk3328-sdram-ddr3-666.dtsi
@@ -0,0 +1,215 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+&dmc {
+	rockchip,sdram-params = <
+		0x1
+		0xC
+		0x3
+		0x1
+		0x0
+		0x0
+		0x10
+		0x10
+		0
+
+		0x9028b189
+		0x00000000
+		0x00000021
+		0x00000482
+		0x00000015
+		0x00000222
+		0x000000ff
+
+		333
+		3
+		0
+
+		0x00000000
+		0x43041001
+		0x00000064
+		0x0028003b
+		0x000000d0
+		0x00020053
+		0x000000d4
+		0x00020000
+		0x000000d8
+		0x00000100
+		0x000000dc
+		0x03200000
+		0x000000e0
+		0x00000000
+		0x000000e4
+		0x00090000
+		0x000000f4
+		0x000f011f
+		0x00000100
+		0x07090b06
+		0x00000104
+		0x00050209
+		0x00000108
+		0x03030407
+		0x0000010c
+		0x00202006
+		0x00000110
+		0x03020204
+		0x00000114
+		0x03030202
+		0x00000120
+		0x00000903
+		0x00000180
+		0x00800020
+		0x00000184
+		0x00000000
+		0x00000190
+		0x07010001
+		0x00000198
+		0x05001100
+		0x000001a0
+		0xc0400003
+		0x00000240
+		0x06000604
+		0x00000244
+		0x00000201
+		0x00000250
+		0x00000f00
+		0x00000490
+		0x00000001
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+
+		0x00000004
+		0x0000000a
+		0x00000028
+		0x00000006
+		0x0000002c
+		0x00000000
+		0x00000030
+		0x00000005
+		0xffffffff
+		0xffffffff
+
+		0x77
+		0x88
+		0x79
+		0x79
+		0x87
+		0x97
+		0x87
+		0x78
+		0x77
+		0x78
+		0x87
+		0x88
+		0x87
+		0x87
+		0x77
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+	>;
+};
diff --git a/arch/arm/dts/rk3328-sdram-lpddr3-1600.dtsi b/arch/arm/dts/rk3328-sdram-lpddr3-1600.dtsi
new file mode 100644
index 0000000..cc0011c
--- /dev/null
+++ b/arch/arm/dts/rk3328-sdram-lpddr3-1600.dtsi
@@ -0,0 +1,215 @@
+/*
+ * (C) 2017 Theobroma Systems Design und Consulting GmbH
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+&dmc {
+	rockchip,sdram-params = <
+		0x1
+		0xC
+		0x3
+		0x1
+		0x0
+		0x0
+		0x10
+		0x10
+		0
+
+		0x98899459
+		0x00000000
+		0x0000002e
+		0x00000544
+		0x00000015
+		0x00000432
+		0x000000ff
+
+		800
+		6
+		1
+
+		0x00000000
+		0x43041008
+		0x00000064
+		0x00300054
+		0x000000d0
+		0x00500002
+		0x000000d4
+		0x00010000
+		0x000000d8
+		0x00000e03
+		0x000000dc
+		0x0043001a
+		0x000000e0
+		0x00010000
+		0x000000e4
+		0x000e0005
+		0x000000f4
+		0x000f011f
+		0x00000100
+		0x0b141b11
+		0x00000104
+		0x0003031a
+		0x00000108
+		0x03060809
+		0x0000010c
+		0x00606000
+		0x00000110
+		0x08020409
+		0x00000114
+		0x01010606
+		0x00000118
+		0x02020004
+		0x00000120
+		0x00000404
+		0x00000138
+		0x00000058
+		0x00000180
+		0x00900024
+		0x00000184
+		0x01400000
+		0x00000190
+		0x07050002
+		0x00000198
+		0x05001100
+		0x000001a0
+		0xc0400003
+		0x00000240
+		0x0a020b28
+		0x00000244
+		0x00000101
+		0x00000250
+		0x00000f00
+		0x00000490
+		0x00000001
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+
+		0x00000004
+		0x0000000b
+		0x00000028
+		0x0000000c
+		0x0000002c
+		0x00000000
+		0x00000030
+		0x00000006
+		0xffffffff
+		0xffffffff
+
+		0x77
+		0x88
+		0x79
+		0x79
+		0x87
+		0x97
+		0x87
+		0x78
+		0x77
+		0x78
+		0x87
+		0x88
+		0x87
+		0x87
+		0x77
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+	>;
+};
diff --git a/arch/arm/dts/rk3328-sdram-lpddr3-666.dtsi b/arch/arm/dts/rk3328-sdram-lpddr3-666.dtsi
new file mode 100644
index 0000000..62d809e
--- /dev/null
+++ b/arch/arm/dts/rk3328-sdram-lpddr3-666.dtsi
@@ -0,0 +1,215 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+&dmc {
+	rockchip,sdram-params = <
+		0x1
+		0xC
+		0x3
+		0x1
+		0x0
+		0x0
+		0x10
+		0x10
+		0
+
+		0x0c48a18a
+		0x00000000
+		0x00000021
+		0x00000482
+		0x00000015
+		0x0000021a
+		0x000000ff
+
+		333
+		6
+		0
+
+		0x00000000
+		0xc3040008
+		0x00000064
+		0x00140023
+		0x000000d0
+		0x00220002
+		0x000000d4
+		0x00010000
+		0x000000d8
+		0x00000703
+		0x000000dc
+		0x00830004
+		0x000000e0
+		0x00010000
+		0x000000e4
+		0x00070003
+		0x00000100
+		0x06090b07
+		0x00000104
+		0x0002020b
+		0x00000108
+		0x02030506
+		0x0000010c
+		0x00505000
+		0x00000110
+		0x03020204
+		0x00000114
+		0x01010303
+		0x00000118
+		0x02020003
+		0x00000120
+		0x00000303
+		0x00000138
+		0x00000025
+		0x00000180
+		0x003c000f
+		0x00000184
+		0x00900000
+		0x00000190
+		0x07020000
+		0x00000198
+		0x05001100
+		0x000001a0
+		0xc0400003
+		0x00000240
+		0x0900090c
+		0x00000244
+		0x00000101
+		0x00000250
+		0x00000f00
+		0x00000490
+		0x00000001
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+		0xffffffff
+
+		0x00000004
+		0x0000000b
+		0x00000028
+		0x00000006
+		0x0000002c
+		0x00000000
+		0x00000030
+		0x00000003
+		0xffffffff
+		0xffffffff
+
+		0x77
+		0x88
+		0x79
+		0x79
+		0x87
+		0x97
+		0x87
+		0x78
+		0x77
+		0x78
+		0x87
+		0x88
+		0x87
+		0x87
+		0x77
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x78
+		0x77
+		0x79
+		0x9
+
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x78
+		0x69
+		0x9
+
+		0x77
+		0x78
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x77
+		0x79
+		0x9
+	>;
+};
diff --git a/arch/arm/dts/rk3328.dtsi b/arch/arm/dts/rk3328.dtsi
index 2d80add..a080ae8 100644
--- a/arch/arm/dts/rk3328.dtsi
+++ b/arch/arm/dts/rk3328.dtsi
@@ -351,10 +351,15 @@
 		status = "disabled";
 	};
 
-	dmc: dmc@ff400000 {
+	dmc: dmc {
 		u-boot,dm-pre-reloc;
-		compatible = "rockchip,rk3328-dmc", "syscon";
-		reg = <0x0 0xff400000 0x0 0x1000>;
+		compatible = "rockchip,rk3328-dmc";
+		reg = <0x0 0xff400000 0x0 0x1000
+		       0x0 0xff780000 0x0 0x3000
+		       0x0 0xff100000 0x0 0x1000
+		       0x0 0xff440000 0x0 0x1000
+		       0x0 0xff720000 0x0 0x1000
+		       0x0 0xff798000 0x0 0x1000>;
 	};
 
 	cru: clock-controller@ff440000 {