1dts-dirs += amd
2dts-dirs += apm
3dts-dirs += arm
4dts-dirs += broadcom
5dts-dirs += cavium
6dts-dirs += exynos
7dts-dirs += freescale
8dts-dirs += hisilicon
9dts-dirs += marvell
10dts-dirs += mediatek
11dts-dirs += qcom
12dts-dirs += rockchip
13dts-dirs += sprd
14dts-dirs += xilinx
15
16subdir-y	:= $(dts-dirs)
17
18dtstree		:= $(srctree)/$(src)
19
20dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(foreach d,$(dts-dirs), $(wildcard $(dtstree)/$(d)/*.dts)))
21
22always		:= $(dtb-y)
23