On Wed, Oct 05, 2016 at 10:51:04AM -0600, Simon Glass wrote: > Hi Masahiro, > > On 4 October 2016 at 21:51, Masahiro Yamada > <yamada.masah...@socionext.com> wrote: > > > > 2016-10-05 9:25 GMT+09:00 Simon Glass <s...@chromium.org>: > > > For boards that need U-Boot-specific additions to the device tree, it is > > > a minor annoyance to have to add these each time the tree is synced with > > > upstream. > > > > > > Add a means to include a file (e.g. u-boot.dtsi) automatically into the > > > .dts > > > file before it is compiled. > > > > > > The file uses is the first one that exists in this list: > > > > > > arch/<arch>/dts/<board.dts>-u-boot.dtsi > > > arch/<arch>/dts/<cpu>-u-boot.dtsi > > > arch/<arch>/dts/<vendor>-u-boot.dtsi > > > arch/<arch>/dts/u-boot.dtsi > > > > > > Signed-off-by: Simon Glass <s...@chromium.org> > > > Suggested-by: Tom Rini <tr...@konsulko.com> > > > --- > > > > > > Changes in v3: > > > - Add a new patch to automatically include a U-Boot .dtsi file > > > > > > Changes in v2: None > > > > > > scripts/Makefile.lib | 15 ++++++++++++++- > > > 1 file changed, 14 insertions(+), 1 deletion(-) > > > > > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > > > index 2539ba5..b414a0c 100644 > > > --- a/scripts/Makefile.lib > > > +++ b/scripts/Makefile.lib > > > @@ -164,6 +164,17 @@ cpp_flags = -Wp,-MD,$(depfile) > > > $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ > > > > > > ld_flags = $(LDFLAGS) $(ldflags-y) > > > > > > +dts_dir = $(srctree)/arch/$(ARCH)/dts > > > + > > > +# Try these files in order to find the U-Boot-specific .dtsi include file > > > +binman_dtsi_options = $(wildcard $(dts_dir)/$(basename $(notdir > > > $<))-u-boot.dtsi) \ > > > + $(wildcard $(dts_dir)/$(subst > > > $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ > > > + $(wildcard $(dts_dir)/$(subst > > > $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ > > > + $(wildcard $(dts_dir)/u-boot.dtsi) > > > + > > > +# We use the first match > > > +binman_dtsi = $(firstword $(binman_dtsi_options)) > > > + > > > > > > I do not think this feature is binman-specific. > > > > Perhaps u_boot_dtsi? > > > > We are already suffering from U-Boot specific properties like > > "u-boot,dm-pre-reloc", which make it difficult to > > simply copy DT files from the kernel tree. > > So, my first guess was this feature might be useful > > to split such properties out to *-u-boot.dtsi. > > (it is a trade-off of more and more DT files, though.) > > Yes that was Tom's intent. True, it is not binman-specific and I'm > happy to change the variable, but let's see if this solves the problem > first.
It certainly looks like it, thanks! Perhaps a 11/10 patch to migrate some platforms u-boot,dm-pre-reloc flags? :) -- Tom
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