+# Devicetree files
+
+ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
+dtstree := arch/$(SRCARCH)/boot/dts
+endif
+
+ifneq ($(dtstree),)
+
+%.dtb: prepare3 scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+
+PHONY += dtbs dtbs_install
+dtbs: prepare3 scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree)
+
+dtbs_install:
+ $(Q)$(MAKE) $(dtbinst)=$(dtstree)
+
+ifdef CONFIG_OF_EARLY_FLATTREE
+all: dtbs
+endif
+
+endif
+
+# Check dtc and pylibfdt, if DTC is provided, else build them
+PHONY += scripts_dtc
+scripts_dtc: scripts_basic
+ $(Q)if test "$(DTC)" = "$(DTC_INTREE)"; then \
+ $(MAKE) $(build)=scripts/dtc; \
+ else \
+ if ! $(DTC) -v >/dev/null; then \
+ echo '*** Failed to check dtc version: $(DTC)'; \
+ false; \
+ else \
+ if test "$(call dtc-version)" -lt $(DTC_MIN_VERSION); then \
+ echo '*** Your dtc is too old, please upgrade to dtc $(DTC_MIN_VERSION) or newer'; \
+ false; \
+ else \
+ if [ -n "$(CONFIG_PYLIBFDT)" ]; then \
+ if ! echo "import libfdt" | $(PYTHON3) 2>/dev/null; then \
+ echo '*** pylibfdt does not seem to be available with $(PYTHON3)'; \
+ false; \
+ fi; \
+ fi; \
+ fi; \
+ fi; \
+ fi
+
+# ---------------------------------------------------------------------------