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authorViresh Kumar <viresh.kumar@linaro.org>2021-01-29 12:54:08 +0530
committerRob Herring <robh@kernel.org>2021-02-04 09:00:04 -0600
commitce88c9c79455fb69c6843b4bd30196fccb978a57 (patch)
treeb6e02d63191e10a9f7eb4ca6b26f3af2c8338bf3 /scripts
parent59b48a715107d5719b75250059864fa775837425 (diff)
kbuild: Add support to build overlays (%.dtbo)
Add support for building DT overlays (%.dtbo). The overlay's source file will have the usual extension, i.e. .dts, though the blob will have .dtbo extension to distinguish it from normal blobs. Acked-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/434ba2467dd0cd011565625aeb3450650afe0aae.1611904394.git.viresh.kumar@linaro.org
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.dtbinst3
-rw-r--r--scripts/Makefile.lib5
2 files changed, 8 insertions, 0 deletions
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 50d580d77ae9..ba01f5ba2517 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -29,6 +29,9 @@ quiet_cmd_dtb_install = INSTALL $@
$(dst)/%.dtb: $(obj)/%.dtb
$(call cmd,dtb_install)
+$(dst)/%.dtbo: $(obj)/%.dtbo
+ $(call cmd,dtb_install)
+
PHONY += $(subdirs)
$(subdirs):
$(Q)$(MAKE) $(dtbinst)=$@ dst=$(patsubst $(obj)/%,$(dst)/%,$@)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 213677a5ed33..b00855b247e0 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -86,7 +86,9 @@ extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-)
ifneq ($(CHECK_DTBS),)
extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y))
+extra-y += $(patsubst %.dtbo,%.dt.yaml, $(dtb-y))
extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
+extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtbo,%.dt.yaml, $(dtb-))
endif
# Add subdir path
@@ -327,6 +329,9 @@ cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ;
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)
+$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
+ $(call if_changed_dep,dtc)
+
DT_CHECKER ?= dt-validate
DT_BINDING_DIR := Documentation/devicetree/bindings
# DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile