1dtb-$(CONFIG_XILFPGA_NEXYS4DDR) += nexys4ddr.dtb 2 3obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) 4 5# Force kbuild to make empty built-in.o if necessary 6obj- += dummy.o 7 8always := $(dtb-y) 9clean-files := *.dtb *.dtb.S 10