diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100644
index 00000000..be4f2595
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,28 @@
+ifeq ($(CONFIG_OF_CONFIGFS),y)
+
+dtbo-$(CONFIG_MACH_SUN7I) += \
+	sun7i-a20-analog-codec.dtbo \
+	sun7i-a20-can.dtbo \
+	sun7i-a20-i2c1.dtbo \
+	sun7i-a20-i2c2.dtbo \
+	sun7i-a20-i2c3.dtbo \
+	sun7i-a20-nand.dtbo \
+	sun7i-a20-spdif-out.dtbo \
+	sun7i-a20-spi0-cs0-spidev.dtbo \
+	sun7i-a20-spi0-cs1-spidev.dtbo \
+	sun7i-a20-spi1-a-spidev.dtbo \
+	sun7i-a20-spi1-b-spidev.dtbo \
+	sun7i-a20-spi2-a-spidev.dtbo \
+	sun7i-a20-spi2-b-spidev.dtbo \
+	sun7i-a20-uart1.dtbo \
+	sun7i-a20-uart2.dtbo \
+	sun7i-a20-uart3.dtbo \
+	sun7i-a20-w1.dtbo
+
+targets += dtbs dtbs_install
+targets += $(dtbo-y)
+
+endif
+
+always		:= $(dtbo-y)
+clean-files	:= *.dtbo
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-analog-codec.dts b/arch/arm/boot/dts/overlay/sun7i-a20-analog-codec.dts
new file mode 100644
index 00000000..74bb13d0
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-analog-codec.dts
@@ -0,0 +1,12 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target = <&codec>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-can.dts b/arch/arm/boot/dts/overlay/sun7i-a20-can.dts
new file mode 100644
index 00000000..4d2b33af
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-can.dts
@@ -0,0 +1,34 @@
+/dts-v1/ /plugin/;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target = <&pio>;
+		__overlay__ {
+			can0_pins_a: can0@0 {
+				allwinner,pins = "PH20", "PH21";
+				allwinner,function = "can";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc@01c00000";
+		__overlay__ {
+			can0: can@01c2bc00 {
+				compatible = "allwinner,sun4i-a10-can";
+				reg = <0x01c2bc00 0x400>;
+				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&apb1_gates 4>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&can0_pins_a>;
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-i2c1.dts b/arch/arm/boot/dts/overlay/sun7i-a20-i2c1.dts
new file mode 100644
index 00000000..1a5dc776
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-i2c1.dts
@@ -0,0 +1,21 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the i2c1 controller node */
+			i2c1 = "/soc@01c00000/i2c@01c2b000";
+		};
+	};
+	fragment@1 {
+		target = <&i2c1>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pins_a>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-i2c2.dts b/arch/arm/boot/dts/overlay/sun7i-a20-i2c2.dts
new file mode 100644
index 00000000..3f94c827
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-i2c2.dts
@@ -0,0 +1,21 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the i2c2 controller node */
+			i2c2 = "/soc@01c00000/i2c@01c2b400";
+		};
+	};
+	fragment@1 {
+		target = <&i2c2>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pins_a>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-i2c3.dts b/arch/arm/boot/dts/overlay/sun7i-a20-i2c3.dts
new file mode 100644
index 00000000..0236b5ae
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-i2c3.dts
@@ -0,0 +1,21 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the i2c3 controller node */
+			i2c3 = "/soc@01c00000/i2c@01c2b800";
+		};
+	};
+	fragment@1 {
+		target = <&i2c3>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c3_pins_a>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-nand.dts b/arch/arm/boot/dts/overlay/sun7i-a20-nand.dts
new file mode 100644
index 00000000..fa778acc
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-nand.dts
@@ -0,0 +1,116 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target = <&pio>;
+		__overlay__ {
+			nand_pins_a: nand_base0@0 {
+				allwinner,pins = "PC0", "PC1", "PC2",
+						"PC5", "PC8", "PC9", "PC10",
+						"PC11", "PC12", "PC13", "PC14",
+						"PC15", "PC16";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_cs0_pins_a: nand_cs@0 {
+				allwinner,pins = "PC4";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_cs1_pins_a: nand_cs@1 {
+				allwinner,pins = "PC3";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_cs2_pins_a: nand_cs@2 {
+				allwinner,pins = "PC17";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_cs3_pins_a: nand_cs@3 {
+				allwinner,pins = "PC18";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_rb0_pins_a: nand_rb@0 {
+				allwinner,pins = "PC6";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			nand_rb1_pins_a: nand_rb@1 {
+				allwinner,pins = "PC7";
+				allwinner,function = "nand0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&nfc>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&nand_pins_a>, <&nand_cs0_pins_a>, <&nand_rb0_pins_a>;
+			status = "okay";
+
+			nand@0 {
+				reg = <0>;
+				allwinner,rb = <0>;
+				nand-ecc-mode = "hw";
+				nand-on-flash-bbt;
+
+				partitions {
+					compatible = "fixed-partitions";
+					#address-cells = <2>;
+					#size-cells = <2>;
+
+					partition@0 {
+						label = "SPL";
+						reg = <0x0 0x0 0x0 0x400000>;
+					};
+
+					partition@400000 {
+						label = "SPL.backup";
+						reg = <0x0 0x400000 0x0 0x400000>;
+					};
+
+					partition@800000 {
+						label = "U-Boot";
+						reg = <0x0 0x800000 0x0 0x400000>;
+					};
+
+					partition@c00000 {
+						label = "U-Boot.backup";
+						reg = <0x0 0xc00000 0x0 0x400000>;
+					};
+
+					partition@1000000 {
+						label = "env";
+						reg = <0x0 0x1000000 0x0 0x400000>;
+					};
+
+					partition@1400000 {
+						label = "rootfs";
+						reg = <0x0 0xa00000 0x01 0xff000000>;
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spdif-out.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spdif-out.dts
new file mode 100644
index 00000000..0463f43c
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spdif-out.dts
@@ -0,0 +1,37 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target = <&spdif>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&spdif_tx_pins_a>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			sound {
+				compatible = "simple-audio-card";
+				simple-audio-card,name = "On-board SPDIF";
+
+				simple-audio-card,cpu {
+					sound-dai = <&spdif>;
+				};
+
+				simple-audio-card,codec {
+					sound-dai = <&spdif_out>;
+				};
+
+				spdif_out: spdif-out {
+					#sound-dai-cells = <0>;
+					compatible = "linux,spdif-dit";
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs0-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs0-spidev.dts
new file mode 100644
index 00000000..926d6325
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs0-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi0 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi0>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			/* "PI11" "PI12" "PI13", "PI10" */
+			pinctrl-0 = <&spi0_pins_a>, <&spi0_cs0_pins_a>;
+			status = "okay";
+			spidev@0 {
+				compatible = "spidev";
+				reg = <0>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs1-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs1-spidev.dts
new file mode 100644
index 00000000..4258672a
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi0-cs1-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi0 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi0>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			/* "PI11" "PI12" "PI13", "PI14" */
+			pinctrl-0 = <&spi0_pins_a>, <&spi0_cs1_pins_a>;
+			status = "okay";
+			spidev@1 {
+				compatible = "spidev";
+				reg = <1>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi1-a-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi1-a-spidev.dts
new file mode 100644
index 00000000..9034b747
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi1-a-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi0 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi0>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi2_pins_a>, <&spi2_cs0_pins_a>;
+
+			status = "okay";
+			spidev@0 {
+				compatible = "spidev";
+				reg = <0>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi1-b-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi1-b-spidev.dts
new file mode 100644
index 00000000..a49ca8a3
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi1-b-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi2 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi2>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			/* "PB15" "PB16" "PB17", "PB14" */
+			pinctrl-0 = <&spi2_pins_b>, <&spi2_cs0_pins_b>;
+			status = "okay";
+			spidev@0 {
+				compatible = "spidev";
+				reg = <0>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi2-a-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi2-a-spidev.dts
new file mode 100644
index 00000000..9034b747
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi2-a-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi0 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi0>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi2_pins_a>, <&spi2_cs0_pins_a>;
+
+			status = "okay";
+			spidev@0 {
+				compatible = "spidev";
+				reg = <0>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-spi2-b-spidev.dts b/arch/arm/boot/dts/overlay/sun7i-a20-spi2-b-spidev.dts
new file mode 100644
index 00000000..a49ca8a3
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-spi2-b-spidev.dts
@@ -0,0 +1,29 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			/* Path to the SPI controller nodes */
+			spi2 = "/soc@01c00000/spi@01c05000";
+		};
+	};
+	fragment@1 {
+		target = <&spi2>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			/* "PB15" "PB16" "PB17", "PB14" */
+			pinctrl-0 = <&spi2_pins_b>, <&spi2_cs0_pins_b>;
+			status = "okay";
+			spidev@0 {
+				compatible = "spidev";
+				reg = <0>;
+				spi-max-frequency = <1000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-uart1.dts b/arch/arm/boot/dts/overlay/sun7i-a20-uart1.dts
new file mode 100644
index 00000000..4fd6eede
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-uart1.dts
@@ -0,0 +1,20 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			uart1 = "/soc@01c00000/serial@01c28400";
+		};
+	};
+	fragment@1 {
+		target = <&uart1>;
+		 __overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-uart2.dts b/arch/arm/boot/dts/overlay/sun7i-a20-uart2.dts
new file mode 100644
index 00000000..56774b07
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-uart2.dts
@@ -0,0 +1,20 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			uart2 = "/soc@01c00000/serial@01c28800";
+		};
+	};
+	fragment@1 {
+		target = <&uart2>;
+		 __overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart2_pins>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-uart3.dts b/arch/arm/boot/dts/overlay/sun7i-a20-uart3.dts
new file mode 100644
index 00000000..b34cf534
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-uart3.dts
@@ -0,0 +1,20 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/aliases";
+		__overlay__ {
+			uart3 = "/soc@01c00000/serial@01c28c00";
+		};
+	};
+	fragment@1 {
+		target = <&uart3>;
+		 __overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart3_pins>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/sun7i-a20-w1.dts b/arch/arm/boot/dts/overlay/sun7i-a20-w1.dts
new file mode 100644
index 00000000..0b28406a
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun7i-a20-w1.dts
@@ -0,0 +1,31 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun7i-a20";
+
+	fragment@0 {
+		target-path = "/";
+		__overlay__ {
+
+			w1: onewire@0 {
+				compatible = "w1-gpio";
+				pinctrl-names = "default";
+				pinctrl-0 = <&w1_pins>;
+				gpios = <&pio 3 14 0>; /* PD14 */
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&pio>;
+		__overlay__ {
+			w1_pins: w1_pins@0 {
+				allwinner,pins = "PD14";
+				allwinner,function = "gpio_in";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+		};
+	};
+};