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Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/Makefile | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile new file mode 100644 index 000000000..bf2d8a8ce --- /dev/null +++ b/Documentation/devicetree/bindings/Makefile @@ -0,0 +1,80 @@ +# 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 || \ + echo "warning: python package 'yamllint' not installed, skipping" >&2) + +DT_SCHEMA_MIN_VERSION = 2022.3 + +PHONY += check_dtschema_version +check_dtschema_version: + @which $(DT_DOC_CHECKER) >/dev/null || \ + { echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \ + echo "Ensure dtschema python package is installed and in your PATH." >&2; \ + echo "Current PATH is:" >&2; \ + echo "$$PATH" >&2; false; } + @{ 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) + +find_all_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \ + -name 'processed-schema*' \) + +find_cmd = $(find_all_cmd) | grep -F "$(DT_SCHEMA_FILES)" +CHK_DT_DOCS := $(shell $(find_cmd)) + +quiet_cmd_yamllint = LINT $(src) + cmd_yamllint = ($(find_cmd) | \ + xargs -n200 -P$$(nproc) \ + $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true + +quiet_cmd_chk_bindings = CHKDT $@ + cmd_chk_bindings = ($(find_cmd) | \ + xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true + +quiet_cmd_mk_schema = SCHEMA $@ + cmd_mk_schema = f=$$(mktemp) ; \ + $(find_all_cmd) > $$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 $(find_all_cmd))) + +override DTC_FLAGS := \ + -Wno-avoid_unnecessary_addr_size \ + -Wno-graph_child_address \ + -Wno-interrupt_provider \ + -Wno-unique_unit_address \ + -Wunique_unit_address_if_enabled + +# Disable undocumented compatible checks until warning free +override DT_CHECKER_FLAGS ?= + +$(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE + $(call if_changed_rule,chkdt) + +always-y += processed-schema.json +always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS)) +always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS)) + +# 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) \( -name '*.example.dts' -o \ + -name '*.example.dtb' \) -delete 2>/dev/null) + +dt_compatible_check: $(obj)/processed-schema.json + $(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $< |