1# SPDX-License-Identifier: GPL-2.0 2DT_DOC_CHECKER ?= dt-doc-validate 3DT_EXTRACT_EX ?= dt-extract-example 4DT_MK_SCHEMA ?= dt-mk-schema 5 6DT_SCHEMA_LINT = $(shell which yamllint || \ 7 echo "warning: python package 'yamllint' not installed, skipping" >&2) 8 9DT_SCHEMA_MIN_VERSION = 2023.9 10 11PHONY += check_dtschema_version 12check_dtschema_version: 13 @which $(DT_DOC_CHECKER) >/dev/null || \ 14 { echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \ 15 echo "Ensure dtschema python package is installed and in your PATH." >&2; \ 16 echo "Current PATH is:" >&2; \ 17 echo "$$PATH" >&2; false; } 18 @{ echo $(DT_SCHEMA_MIN_VERSION); \ 19 $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \ 20 { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; } 21 22quiet_cmd_extract_ex = DTEX $@ 23 cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@ 24 25$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE 26 $(call if_changed,extract_ex) 27 28find_all_cmd = find $(src) \( -name '*.yaml' ! \ 29 -name 'processed-schema*' \) 30 31find_cmd = $(find_all_cmd) | \ 32 sed 's|^$(srctree)/||' | \ 33 grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \ 34 sed 's|^|$(srctree)/|' 35CHK_DT_EXAMPLES := $(patsubst $(srctree)/%.yaml,%.example.dtb, $(shell $(find_cmd))) 36 37quiet_cmd_yamllint = LINT $(src) 38 cmd_yamllint = ($(find_cmd) | \ 39 xargs -n200 -P$$(nproc) \ 40 $(DT_SCHEMA_LINT) -f parsable -c $(src)/.yamllint >&2) \ 41 && touch $@ || true 42 43quiet_cmd_chk_bindings = CHKDT $(src) 44 cmd_chk_bindings = ($(find_cmd) | \ 45 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(src)) \ 46 && touch $@ || true 47 48quiet_cmd_mk_schema = SCHEMA $@ 49 cmd_mk_schema = f=$$(mktemp) ; \ 50 $(find_all_cmd) > $$f ; \ 51 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \ 52 rm -f $$f 53 54DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd))) 55 56override DTC_FLAGS := \ 57 -Wno-avoid_unnecessary_addr_size \ 58 -Wno-graph_child_address \ 59 -Wno-unique_unit_address \ 60 -Wunique_unit_address_if_enabled 61 62$(obj)/processed-schema.json: $(DT_DOCS) check_dtschema_version FORCE 63 $(call if_changed,mk_schema) 64 65targets += .dt-binding.checked .yamllint.checked 66$(obj)/.yamllint.checked: $(DT_DOCS) $(src)/.yamllint FORCE 67 $(if $(DT_SCHEMA_LINT),$(call if_changed,yamllint),) 68 69$(obj)/.dt-binding.checked: $(DT_DOCS) FORCE 70 $(call if_changed,chk_bindings) 71 72always-y += processed-schema.json 73targets += $(patsubst $(obj)/%,%, $(CHK_DT_EXAMPLES)) 74targets += $(patsubst $(obj)/%.dtb,%.dts, $(CHK_DT_EXAMPLES)) 75 76# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of 77# build artifacts here before they are processed by scripts/Makefile.clean 78clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \ 79 -name '*.example.dtb' \) -delete 2>/dev/null) 80 81dt_compatible_check: $(obj)/processed-schema.json 82 $(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $< 83 84PHONY += dt_binding_check 85dt_binding_check: $(obj)/.dt-binding.checked $(obj)/.yamllint.checked $(CHK_DT_EXAMPLES) 86