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This adds the build infrastructure for checking DT binding schema documents and validating dts files using the binding schema. Check DT binding schema documents: make dt_binding_check Build dts files and check using DT binding schema: make dtbs_check Optionally, DT_SCHEMA_FILES can be passed in with a schema file(s) to use for validation. This makes it easier to find and fix errors generated by a specific schema. Currently, the validation targets are separate from a normal build to avoid a hard dependency on the external DT schema project and because there are lots of warnings generated. Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Marek <michal.lkml@markovi.net> Cc: linux-doc@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kbuild@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
28 lines
954 B
Makefile
28 lines
954 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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DT_DOC_CHECKER ?= dt-doc-validate
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DT_EXTRACT_EX ?= dt-extract-example
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DT_MK_SCHEMA ?= dt-mk-schema
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DT_MK_SCHEMA_FLAGS := $(if $(DT_SCHEMA_FILES), -u)
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quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
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cmd_chk_binding = $(DT_DOC_CHECKER) $< ; \
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$(DT_EXTRACT_EX) $< > $@
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$(obj)/%.example.dts: $(src)/%.yaml FORCE
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$(call if_changed,chk_binding)
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DT_TMP_SCHEMA := processed-schema.yaml
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extra-y += $(DT_TMP_SCHEMA)
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quiet_cmd_mk_schema = SCHEMA $@
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cmd_mk_schema = $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) -o $@ $(filter-out FORCE, $^)
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DT_DOCS = $(shell cd $(srctree)/$(src) && find * -name '*.yaml')
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DT_SCHEMA_FILES ?= $(addprefix $(src)/,$(DT_DOCS))
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extra-y += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
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extra-y += $(patsubst $(src)/%.yaml,%.example.dtb, $(DT_SCHEMA_FILES))
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$(obj)/$(DT_TMP_SCHEMA): $(DT_SCHEMA_FILES) FORCE
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$(call if_changed,mk_schema)
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