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arm64: add config option to enable DT overlay

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Add config option to enable DT overlay. This option sets DTC_FLAGS to
enable DT compilation with overlay support.

Change-Id: I74b1ed9828ec94093fab40a70c0cd0c155796c94
Signed-off-by: Shashank Mittal <mittals@codeaurora.org>
This commit is contained in:
Shashank Mittal 2017-03-17 13:27:09 -07:00
parent 47c6fb9e63
commit d076b99bfe
2 changed files with 9 additions and 0 deletions
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5
arch/arm64/Kconfig
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@ -1030,6 +1030,11 @@ config BUILD_ARM64_APPENDED_DTB_IMAGE_NAMES
Space separated list of names of dtbs to append when
building a concatenated Image.gz-dtb.
config BUILD_ARM64_DT_OVERLAY
bool "enable DT overlay compilation support"
depends on OF
help
This option enables support for DT overlay compilation.
endmenu
menu "Userspace binary formats"

4
arch/arm64/Makefile
View file

@ -92,6 +92,10 @@ endif
KBUILD_DTBS := dtbs
ifeq ($(CONFIG_BUILD_ARM64_DT_OVERLAY),y)
export DTC_FLAGS := -@
endif
all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
boot := arch/arm64/boot