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Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/Makefile | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile new file mode 100644 index 000000000..f50420099 --- /dev/null +++ b/Documentation/devicetree/bindings/Makefile @@ -0,0 +1,89 @@ +# 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 = 2020.8.1 + +PHONY += check_dtschema_version +check_dtschema_version: + @{ echo $(DT_SCHEMA_MIN_VERSION); \ + $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \ + { echo "ERROR: dtschema minimum version is v$(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 + +quiet_cmd_chk_bindings = CHKDT $@ + cmd_chk_bindings = $(find_cmd) | \ + xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src) + +quiet_cmd_mk_schema = SCHEMA $@ + cmd_mk_schema = f=$$(mktemp) ; \ + $(if $(DT_MK_SCHEMA_FLAGS), \ + echo $(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 = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||') + +override DTC_FLAGS := \ + -Wno-avoid_unnecessary_addr_size \ + -Wno-graph_child_address \ + -Wno-interrupt_provider + +$(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 + $(call if_changed,mk_schema) + +endif + +extra-$(CHECK_DT_BINDING) += processed-schema-examples.json +extra-$(CHECK_DTBS) += processed-schema.json +extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES)) +extra-$(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) |