diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..949deaf
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,109 @@
+# SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: GPL-2.0-only
+
+objtree = $(srctree)
+
+# Redefine the fixdep command
+cmd_and_fixdep =                                                             \
+	$(cmd);                                                              \
+	$(objtree)/scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
+	rm -f $(depfile)
+
+include $(oottree)/scripts/Makefile.lib
+
+DTC_CPP_FLAGS += $(EXTRA_CPP_FLAGS)
+
+DTC_CPP_FLAGS += -DLINUX_VERSION=504 -DTEGRA_HOST1X_DT_VERSION=1
+
+tegra-dtstree := $(TOP)/hardware/nvidia
+
+# From out/l4t-t186ref-debug-aarch64/nvidia/kernel-nvidia-oot/nvidia-oot/device-tree/platform
+tegra-rel-dtstree := ../../../../../../../hardware/nvidia
+
+DTC_INCLUDE :=
+# SOC independent common include
+DTC_INCLUDE += $(tegra-dtstree)/soc/tegra/kernel-include
+DTC_INCLUDE += $(tegra-dtstree)/platform/tegra/common/kernel-dts
+
+# SOC T23X specific common include
+DTC_INCLUDE += $(tegra-dtstree)/soc/t23x/kernel-include
+DTC_INCLUDE += $(tegra-dtstree)/soc/t23x/kernel-dts
+DTC_INCLUDE += $(tegra-dtstree)/platform/t23x/common/kernel-dts
+DTC_INCLUDE += $(tegra-dtstree)/platform/t23x/automotive/kernel-dts/common/linux/
+
+dtb-oot-y :=
+dtbo-oot-y :=
+
+DTB_LIST := $(dtb-oot-y)
+DTBO_LIST := $(dtbo-oot-y)
+dtb-oot-y :=
+dts_makefile=$(foreach d,$(wildcard $1*), $(call dts_makefile,$(d)/,$(2)) $(if $(findstring Makefile,$(d)),$(d)))
+dts_mfiles = $(call dts_makefile, $(tegra-dtstree)/platform/t23x, Makefile)
+
+ifneq ($(dts_mfiles),)
+dts-include :=
+include $(dts_mfiles)
+dtb-oot-y := $(addprefix $(tegra-rel-dtstree)/,$(dtb-oot-y))
+dtbo-oot-y := $(addprefix $(tegra-rel-dtstree)/,$(dtbo-oot-y))
+ifneq ($(dts-include),)
+DTC_INCLUDE += $(addprefix $(tegra-dtstree)/,$(dts-include))
+endif
+endif
+
+DTB_LIST += $(dtb-oot-y)
+DTBO_LIST += $(dtbo-oot-y)
+DTB_NEW_RULE_LIST := $(dtb-oot-y)
+DTBO_NEW_RULE_LIST := $(dtbo-oot-y)
+
+# Now save DTB_LIST to dtb-oot-y
+dtb-oot-y := $(DTB_LIST)
+dtbo-oot-y := $(DTBO_LIST)
+
+# Add path of main Makefile to each dtb/dtbo list
+DTB_OBJS := $(addprefix $(obj)/,$(DTB_LIST))
+DTBO_OBJS := $(addprefix $(obj)/,$(DTBO_LIST))
+
+###
+# remove the ../
+replace_ddot = $(subst ../,,$(1))
+
+define _define_dtb_rule
+$(obj)/$(call replace_ddot,$(1)): $(src)/$(patsubst %.dtb,%.dts,$(1)) FORCE
+endef
+
+$(foreach _dtb, $(DTB_NEW_RULE_LIST), $(eval $(call _define_dtb_rule,$(_dtb))))
+
+DTB_OBJS := $(call replace_ddot,$(DTB_OBJS))
+DTB_NEW_RULE_LIST := $(addprefix $(obj)/,$(DTB_NEW_RULE_LIST))
+DTB_NEW_RULE_LIST := $(call replace_ddot,$(DTB_NEW_RULE_LIST))
+
+$(DTB_NEW_RULE_LIST):
+	$(call if_changed_dep,dtc)
+
+define _define_dtbo_rule
+$(obj)/$(call replace_ddot,$(1)): $(src)/$(patsubst %.dtbo,%.dts,$(1)) FORCE
+endef
+
+$(foreach _dtbo, $(DTBO_NEW_RULE_LIST), $(eval $(call _define_dtbo_rule,$(_dtbo))))
+
+DTBO_OBJS := $(call replace_ddot,$(DTBO_OBJS))
+DTBO_NEW_RULE_LIST := $(addprefix $(obj)/,$(DTBO_NEW_RULE_LIST))
+DTBO_NEW_RULE_LIST := $(call replace_ddot,$(DTBO_NEW_RULE_LIST))
+
+$(DTBO_NEW_RULE_LIST):
+	$(call if_changed_dep,dtc)
+
+DTBS_DTBOS := $(DTB_OBJS)$(DTBO_OBJS)
+
+dtbs: $(DTB_OBJS) $(DTBO_OBJS) FORCE
+	if [ ! -d $(obj)/dtbs/ ] ; then \
+		mkdir -p $(obj)/dtbs/ ; \
+	fi
+	if [ ! -z $(DTBS_DTBOS) ] ; then \
+		cp -u $(DTB_OBJS) $(DTBO_OBJS) $(obj)/dtbs/ ; \
+	fi
+	if [ -d $(obj)/hardware/ ] ; then \
+		rm -rf $(obj)/hardware/ ; \
+	fi
+
+clean-files := *.dtb *.dtbo *.tmp