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 $(srctree)/$(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_DOCS := $(shell $(find_cmd)) 36 37quiet_cmd_yamllint = LINT $(src) 38 cmd_yamllint = ($(find_cmd) | \ 39 xargs -n200 -P$$(nproc) \ 40 $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true 41 42quiet_cmd_chk_bindings = CHKDT $@ 43 cmd_chk_bindings = ($(find_cmd) | \ 44 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true 45 46quiet_cmd_mk_schema = SCHEMA $@ 47 cmd_mk_schema = f=$$(mktemp) ; \ 48 $(find_all_cmd) > $$f ; \ 49 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \ 50 rm -f $$f 51 52define rule_chkdt 53 $(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),) 54 $(call cmd,chk_bindings) 55 $(call cmd,mk_schema) 56endef 57 58DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd))) 59 60override DTC_FLAGS := \ 61 -Wno-avoid_unnecessary_addr_size \ 62 -Wno-graph_child_address \ 63 -Wno-interrupt_provider \ 64 -Wno-unique_unit_address \ 65 -Wunique_unit_address_if_enabled 66 67# Disable undocumented compatible checks until warning free 68override DT_CHECKER_FLAGS ?= 69 70$(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE 71 $(call if_changed_rule,chkdt) 72 73always-y += processed-schema.json 74always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS)) 75always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS)) 76 77# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of 78# build artifacts here before they are processed by scripts/Makefile.clean 79clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \ 80 -name '*.example.dtb' \) -delete 2>/dev/null) 81 82dt_compatible_check: $(obj)/processed-schema.json 83 $(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $< 84