diff --git a/build/tasks/dt_image.mk b/build/tasks/dt_image.mk
new file mode 100644
index 0000000..7d6264f
--- /dev/null
+++ b/build/tasks/dt_image.mk
@@ -0,0 +1,53 @@
+#----------------------------------------------------------------------
+# Generate device tree image (dt.img)
+#----------------------------------------------------------------------
+ifeq ($(strip $(BOARD_CUSTOM_BOOTIMG_MK)),)
+ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
+ifneq ($(strip $(BOARD_KERNEL_PREBUILT_DT)),true)
+ifeq ($(strip $(BUILD_TINY_ANDROID)),true)
+include device/qcom/common/dtbtool/Android.mk
+endif
+
+ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
+DTBTOOL_NAME := dtbToolCM
+else
+DTBTOOL_NAME := $(TARGET_CUSTOM_DTBTOOL)
+endif
+
+DTBTOOL := $(HOST_OUT_EXECUTABLES)/$(DTBTOOL_NAME)$(HOST_EXECUTABLE_SUFFIX)
+
+INSTALLED_DTIMAGE_TARGET := $(PRODUCT_OUT)/dt.img
+
+ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
+# dtbToolCM will search subdirectories
+possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
+else
+# Most specific paths must come first in possible_dtb_dirs
+possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts/ $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
+endif
+
+define build-dtimage-target
+    $(call pretty,"Target dt image: $@")
+    $(hide) for dir in $(possible_dtb_dirs); do \
+        if [ -d "$$dir" ]; then \
+            dtb_dir="$$dir"; \
+            break; \
+        fi; \
+    done; \
+    $(DTBTOOL) $(BOARD_DTBTOOL_ARGS) -o $@ -s $(BOARD_KERNEL_PAGESIZE) -p $(KERNEL_OUT)/scripts/dtc/ "$$dtb_dir";
+    $(hide) chmod a+r $@
+endef
+
+$(INSTALLED_DTIMAGE_TARGET): $(DTBTOOL) $(INSTALLED_KERNEL_TARGET)
+	$(build-dtimage-target)
+	@echo -e ${CL_CYN}"Made DT image: $@"${CL_RST}
+
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_DTIMAGE_TARGET)
+ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_DTIMAGE_TARGET)
+
+.PHONY: dtimage
+dtimage: $(INSTALLED_DTIMAGE_TARGET)
+
+endif
+endif
+endif