dts-dirs += al dts-dirs += altera dts-dirs += amd dts-dirs += amlogic dts-dirs += apm dts-dirs += arm dts-dirs += broadcom dts-dirs += cavium dts-dirs += exynos dts-dirs += freescale dts-dirs += hisilicon dts-dirs += marvell dts-dirs += mediatek dts-dirs += nvidia dts-dirs += qcom dts-dirs += renesas dts-dirs += rockchip dts-dirs += socionext dts-dirs += sprd dts-dirs += xilinx dts-dirs += lg dts-dirs += zte subdir-y := $(dts-dirs) dtstree := $(srctree)/$(src) dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(foreach d,$(dts-dirs), $(wildcard $(dtstree)/$(d)/*.dts))) always := $(dtb-y)