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-rw-r--r--Makefile20
1 files changed, 20 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 9434405df4..c8e84575b6 100644
--- a/Makefile
+++ b/Makefile
@@ -1004,6 +1004,22 @@ include/generated/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)
# ---------------------------------------------------------------------------
+# Devicetree files
+
+ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/dts/),)
+dtstree := arch/$(SRCARCH)/dts
+endif
+
+ifneq ($(dtstree),)
+
+PHONY += dtbs
+all_dtbs += $(patsubst $(srctree)/%.dts,$(objtree)/%.dtb,$(wildcard $(srctree)/$(dtstree)/*.dts))
+targets += $(all_dtbs)
+dtbs: $(all_dtbs)
+
+endif
+
+# ---------------------------------------------------------------------------
# Modules
ifdef CONFIG_MODULES
@@ -1178,6 +1194,10 @@ help:
@$(if $(archhelp),$(archhelp),\
echo ' No architecture specific help defined for $(SRCARCH)')
@echo ''
+ @$(if $(dtstree), \
+ echo ' Devicetree:'; \
+ echo ' * dtbs - Build device tree blobs for all boards'; \
+ echo '')
@$(if $(boards), \
$(foreach b, $(boards), \
printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \