kernel/Documentation/devicetree/bindings/Makefile
2024-07-22 17:22:30 +08:00

93 lines
3.1 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
DT_DOC_CHECKER ?= dt-doc-validate
DT_EXTRACT_EX ?= dt-extract-example
DT_MK_SCHEMA ?= dt-mk-schema
DT_SCHEMA_LINT = $(shell which yamllint)
DT_SCHEMA_MIN_VERSION = 2021.2.1
PHONY += check_dtschema_version
check_dtschema_version:
@{ echo $(DT_SCHEMA_MIN_VERSION); \
$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
quiet_cmd_extract_ex = DTEX $@
cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
$(call if_changed,extract_ex)
# Use full schemas when checking %.example.dts
DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
-name 'processed-schema*' ! \
-name '*.example.dt.yaml' \)
quiet_cmd_yamllint = LINT $(src)
cmd_yamllint = ($(find_cmd) | \
xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true
quiet_cmd_chk_bindings = CHKDT $@
cmd_chk_bindings = ($(find_cmd) | \
xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
quiet_cmd_mk_schema = SCHEMA $@
cmd_mk_schema = f=$$(mktemp) ; \
$(if $(DT_MK_SCHEMA_FLAGS), \
printf '%s\n' $(real-prereqs), \
$(find_cmd)) > $$f ; \
$(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
rm -f $$f
define rule_chkdt
$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
$(call cmd,chk_bindings)
$(call cmd,mk_schema)
endef
DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_cmd)))
override DTC_FLAGS := \
-Wno-avoid_unnecessary_addr_size \
-Wno-graph_child_address \
-Wno-interrupt_provider
# Disable undocumented compatible checks until warning free
override DT_CHECKER_FLAGS ?=
$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
$(call if_changed_rule,chkdt)
ifeq ($(DT_SCHEMA_FILES),)
# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
# Just copy processed-schema-examples.json
$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
$(call if_changed,copy)
DT_SCHEMA_FILES = $(DT_DOCS)
else
# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
$(call if_changed,mk_schema)
endif
always-$(CHECK_DT_BINDING) += processed-schema-examples.json
always-$(CHECK_DTBS) += processed-schema.json
always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
# build artifacts here before they are processed by scripts/Makefile.clean
clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
-name '*.example.dt.yaml' \) -delete 2>/dev/null)