diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6be9ee14..750f48a2 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -335,6 +335,9 @@ $(INSTALL_TARGETS):
 %.dtb: | scripts
 	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
 
+%.dtbo: | scripts
+	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
+
 PHONY += dtbs dtbs_install
 
 dtbs: prepare scripts
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index 3c79f859..eaaeb17e 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,4 +3,4 @@ zImage
 xipImage
 bootpImage
 uImage
-*.dtb
+*.dtb*
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c558ba75..40899e4a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -954,10 +955,16 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
 dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb \
 	aspeed-ast2500-evb.dtb
+
+targets += dtbs dtbs_install
+targets += $(dtb-y)
 endif
 
 dtstree		:= $(srctree)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
 
 always		:= $(dtb-y)
+subdir-y	:= overlay
 clean-files	:= *.dtb
+
+dts-dirs += overlay
diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100644
index 00000000..00dd8ffc
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,15 @@
+ifeq ($(CONFIG_OF_CONFIGFS),y)
+
+dtbo-$(CONFIG_MACH_SUN8I) += \
+	i2c0.dtbo \
+	spi0-spidev.dtbo \
+	spi1-spidev.dtbo \
+	w1.dtbo
+
+targets += dtbs dtbs_install
+targets += $(dtbo-y)
+
+endif
+
+always		:= $(dtbo-y)
+clean-files	:= *.dtbo
diff --git a/arch/arm/boot/dts/overlay/i2c0.dts b/arch/arm/boot/dts/overlay/i2c0.dts
new file mode 100644
index 00000000..cbd8d801
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/i2c0.dts
@@ -0,0 +1,19 @@
+/dts-v1/ /plugin/;
+
+/ {
+    compatible = "allwinner,sun8i-h3";
+
+    fragment@0 {
+    target-path = "/aliases";
+    __overlay__ {
+            /* Path to the i2c0 controller node */
+            i2c0 = "/soc@01c00000/i2c@01c2ac00";
+        };
+    };
+    fragment@1 {
+        target = <&i2c0>;
+        __overlay__ {
+            status = "okay";
+        };
+    };
+};
diff --git a/arch/arm/boot/dts/overlay/spi0-spidev.dts b/arch/arm/boot/dts/overlay/spi0-spidev.dts
new file mode 100644
index 00000000..5a01ef23
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/spi0-spidev.dts
@@ -0,0 +1,24 @@
+/dts-v1/ /plugin/;
+
+/ {
+    compatible = "allwinner,sun8i-h3";
+
+    fragment@0 {
+    target-path = "/aliases";
+    __overlay__ {
+            /* Path to the SPI controller nodes */
+            spi0 = "/soc@01c00000/spi@01c68000";
+        };
+    };
+    fragment@1 {
+        target = <&spi0>;
+        __overlay__ {
+            status = "okay";
+            spidev@0 {
+                compatible = "spidev";
+                reg = <0x0>;
+                spi-max-frequency = <1000000>;
+            };
+        };
+    };
+};
diff --git a/arch/arm/boot/dts/overlay/spi1-spidev.dts b/arch/arm/boot/dts/overlay/spi1-spidev.dts
new file mode 100644
index 00000000..92b73bc8
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/spi1-spidev.dts
@@ -0,0 +1,24 @@
+/dts-v1/ /plugin/;
+
+/ {
+    compatible = "allwinner,sun8i-h3";
+
+    fragment@0 {
+    target-path = "/aliases";
+    __overlay__ {
+            /* Path to the SPI controller nodes */
+            spi1 = "/soc@01c00000/spi@01c69000";
+        };
+    };
+    fragment@1 {
+        target = <&spi1>;
+        __overlay__ {
+            status = "okay";
+            spidev@0 {
+                compatible = "spidev";
+                reg = <0x0>;
+                spi-max-frequency = <1000000>;
+            };
+        };
+    };
+};
diff --git a/arch/arm/boot/dts/overlay/w1.dts b/arch/arm/boot/dts/overlay/w1.dts
new file mode 100644
index 00000000..faf3650e
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/w1.dts
@@ -0,0 +1,35 @@
+/dts-v1/ /plugin/;
+
+/ {
+	compatible = "allwinner,sun8i-h3";
+
+	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 {
+				allwinner,pins = "PD14";
+				allwinner,function = "gpio_in"; // in (initially)
+				allwinner,pull = <0>; // off
+			};
+		};
+	};
+
+	__overrides__ {
+		gpiopin =       <&w1>,"gpios:4",
+				<&w1_pins>,"allwinner,pins:0";
+	};
+};
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index a1be75d0..ad8dc1c9 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -27,6 +27,7 @@ ifeq ("$(dtbinst-root)", "$(obj)")
 endif
 
 dtbinst-files	:= $(dtb-y)
+dtboinst-files	:= $(dtbo-y)
 dtbinst-dirs	:= $(dts-dirs)
 
 # Helper targets for Installing DTBs into the boot directory
@@ -35,15 +36,18 @@ quiet_cmd_dtb_install =	INSTALL $<
 
 install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj))
 
-$(dtbinst-files) $(dtbinst-dirs): | __dtbs_install_prep
+$(dtbinst-files) $(dtboinst-files) $(dtbinst-dirs): | __dtbs_install_prep
 
 $(dtbinst-files): %.dtb: $(obj)/%.dtb
 	$(call cmd,dtb_install,$(install-dir))
 
+$(dtboinst-files): %.dtbo: $(obj)/%.dtbo
+	$(call cmd,dtb_install,$(install-dir))
+
 $(dtbinst-dirs):
 	$(Q)$(MAKE) $(dtbinst)=$(obj)/$@
 
-PHONY += $(dtbinst-files) $(dtbinst-dirs)
-__dtbs_install: $(dtbinst-files) $(dtbinst-dirs)
+PHONY += $(dtbinst-files) $(dtboinst-files) $(dtbinst-dirs)
+__dtbs_install: $(dtbinst-files) $(dtboinst-files) $(dtbinst-dirs)
 
 .PHONY: $(PHONY)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 0a07f901..5ccd3490 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -312,6 +312,17 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
 $(obj)/%.dtb: $(src)/%.dts FORCE
 	$(call if_changed_dep,dtc)
 
+quiet_cmd_dtco = DTCO    $@
+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
+	$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+	$(DTC) -O dtb -o $@ -b 0 \
+		-i $(dir $<) $(DTC_FLAGS) \
+		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
+	cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+
+$(obj)/%.dtbo: $(src)/%.dts FORCE
+	$(call if_changed_dep,dtco)
+
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
 # Bzip2