v4.19.13 snapshot.
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
new file mode 100644
index 0000000..1c943e0
--- /dev/null
+++ b/scripts/dtc/Makefile
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+# scripts/dtc makefile
+
+hostprogs-y := dtc
+always := $(hostprogs-y)
+
+dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
+ srcpos.o checks.o util.o
+dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
+
+# Source files need to get at the userspace version of libfdt_env.h to compile
+HOST_EXTRACFLAGS := -I$(src)/libfdt
+
+# Generated files need one more search path to include headers in source tree
+HOSTCFLAGS_dtc-lexer.lex.o := -I$(src)
+HOSTCFLAGS_dtc-parser.tab.o := -I$(src)
+
+# dependencies on generated files need to be listed explicitly
+$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h