[PATCH 2/7] MIPS: Add support for building device-tree binaries

[Andrew Bresticker <abrestic@chromium.org>]

Add a 'dtbs' Makefile target that just builds the device-tree binaries
enabled by the configuration.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
---
 arch/mips/Makefile          | 5 +++++
 arch/mips/boot/.gitignore   | 1 +
 arch/mips/boot/dts/Makefile | 7 ++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 72cdd6a..26672e1 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -330,6 +330,10 @@ core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
 %.dtb %.dtb.S %.dtb.o: | scripts
 	$(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
 
+PHONY += dtbs
+dtbs: scripts
+	$(Q)$(MAKE) $(build)=arch/mips/boot/dts dtbs
+
 archprepare:
 ifdef CONFIG_MIPS32_N32
 	@echo '  Checking missing-syscalls for N32'
@@ -364,6 +368,7 @@ define archhelp
 	echo '  vmlinuz.srec         - SREC zboot image'
 	echo '  uImage               - U-Boot image'
 	echo '  uImage.gz            - U-Boot image (gzip)'
+	echo '  dtbs                 - Device-tree blobs for enabled boards'
 	echo
 	echo '  These will be default as appropriate for a configured platform.'
 endef
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore
index a73d6e2..d3962cd 100644
--- a/arch/mips/boot/.gitignore
+++ b/arch/mips/boot/.gitignore
@@ -5,3 +5,4 @@ zImage
 zImage.tmp
 calc_vmlinuz_load_addr
 uImage
+*.dtb
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 6bb41df..9b3da1f 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -1,3 +1,8 @@
 obj-y		+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
 
-clean-files	+= *.dtb.S
+targets		+= dtbs
+targets		+= $(dtb-y)
+
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+
+clean-files	+= *.dtb *.dtb.S
-- 
2.1.0.rc2.206.gedb03e5