Message ID | 1348599998-2729-3-git-send-email-swarren@wwwdotorg.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 13:06 Tue 25 Sep , Stephen Warren wrote: > From: Stephen Warren <swarren@nvidia.com> > > This allows DT source files to use the C pre-processor. A new file > extension is introduced for this purpose, since use of the pre-processor > must be optional; any property or node name that starts with "#" must be > escaped to prevent the pre-processor attempting to interpret it as a > directive. For this reason, skeleton.dtsi-cpp is introduced for *.dts-cpp > to include. > > Signed-off-by: Stephen Warren <swarren@nvidia.com> > --- > arch/arm/boot/Makefile | 3 +++ > arch/arm/boot/dts/skeleton.dtsi-cpp | 13 +++++++++++++ > 2 files changed, 16 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/boot/dts/skeleton.dtsi-cpp > > diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile > index 3fdab01..c5d7fca 100644 > --- a/arch/arm/boot/Makefile > +++ b/arch/arm/boot/Makefile > @@ -65,6 +65,9 @@ targets += $(dtb-y) > $(obj)/%.dtb: $(src)/dts/%.dts FORCE > $(call if_changed_dep,dtc) > > +$(obj)/%.dtb: $(src)/dts/%.dts-cpp FORCE > + $(call if_changed_dep,dtc_cpp) > + move this to Makefile.build so we wan use it acroos arch Best Regards, J.
On 09/26/2012 11:47 PM, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 13:06 Tue 25 Sep , Stephen Warren wrote: >> From: Stephen Warren <swarren@nvidia.com> >> >> This allows DT source files to use the C pre-processor. A new file >> extension is introduced for this purpose, since use of the pre-processor >> must be optional; any property or node name that starts with "#" must be >> escaped to prevent the pre-processor attempting to interpret it as a >> directive. For this reason, skeleton.dtsi-cpp is introduced for *.dts-cpp >> to include. >> >> Signed-off-by: Stephen Warren <swarren@nvidia.com> >> --- >> arch/arm/boot/Makefile | 3 +++ >> arch/arm/boot/dts/skeleton.dtsi-cpp | 13 +++++++++++++ >> 2 files changed, 16 insertions(+), 0 deletions(-) >> create mode 100644 arch/arm/boot/dts/skeleton.dtsi-cpp >> >> diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile >> index 3fdab01..c5d7fca 100644 >> --- a/arch/arm/boot/Makefile >> +++ b/arch/arm/boot/Makefile >> @@ -65,6 +65,9 @@ targets += $(dtb-y) >> $(obj)/%.dtb: $(src)/dts/%.dts FORCE >> $(call if_changed_dep,dtc) >> >> +$(obj)/%.dtb: $(src)/dts/%.dts-cpp FORCE >> + $(call if_changed_dep,dtc_cpp) >> + > > move this to Makefile.build so we wan use it acroos arch That would be an unrelated cleanup patch; the existing *.dts->*.dtb rule is not there.
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 3fdab01..c5d7fca 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -65,6 +65,9 @@ targets += $(dtb-y) $(obj)/%.dtb: $(src)/dts/%.dts FORCE $(call if_changed_dep,dtc) +$(obj)/%.dtb: $(src)/dts/%.dts-cpp FORCE + $(call if_changed_dep,dtc_cpp) + $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) clean-files := *.dtb diff --git a/arch/arm/boot/dts/skeleton.dtsi-cpp b/arch/arm/boot/dts/skeleton.dtsi-cpp new file mode 100644 index 0000000..8bf6729 --- /dev/null +++ b/arch/arm/boot/dts/skeleton.dtsi-cpp @@ -0,0 +1,13 @@ +/* + * Skeleton device tree; the bare minimum needed to boot; just include and + * add a compatible value. The bootloader will typically populate the memory + * node. + */ + +/ { + \#address-cells = <1>; + \#size-cells = <1>; + chosen { }; + aliases { }; + memory { device_type = "memory"; reg = <0 0>; }; +};