# Makefile for building Raspberry Pi device tree overlays

# Copyright (C)2017-2024, Philip Munts dba Munts Technologies.
#
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DTC		?= dtc

default: overlays.done

# Define a pattern rule for compiling device tree overlays

%.dtbo: %.dts
	$(DTC) -@ -b 0 -I dts -O dtb -o $@ $^

# Compile device tree overlays

overlays.done:
	for F in *.dts ; do $(MAKE) `basename $$F .dts`.dtbo ; done
	touch $@

# Remove working files

clean:
	rm -f overlays.done *.dtbo

reallyclean: clean

distclean: reallyclean