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 8DT_SCHEMA_MIN_VERSION = 2021.2.1 9 10PHONY += check_dtschema_version 11check_dtschema_version: 12 @{ echo $(DT_SCHEMA_MIN_VERSION); \ 13 $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \ 14 { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; } 15 16quiet_cmd_extract_ex = DTEX $@ 17 cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@ 18 19$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE 20 $(call if_changed,extract_ex) 21 22# Use full schemas when checking %.example.dts 23DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json 24 25find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \ 26 -name 'processed-schema*' ! \ 27 -name '*.example.dt.yaml' \) 28 29quiet_cmd_yamllint = LINT $(src) 30 cmd_yamllint = ($(find_cmd) | \ 31 xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint) || true 32 33quiet_cmd_chk_bindings = CHKDT $@ 34 cmd_chk_bindings = ($(find_cmd) | \ 35 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true 36 37quiet_cmd_mk_schema = SCHEMA $@ 38 cmd_mk_schema = f=$$(mktemp) ; \ 39 $(if $(DT_MK_SCHEMA_FLAGS), \ 40 printf '%s\n' $(real-prereqs), \ 41 $(find_cmd)) > $$f ; \ 42 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \ 43 rm -f $$f 44 45define rule_chkdt 46 $(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),) 47 $(call cmd,chk_bindings) 48 $(call cmd,mk_schema) 49endef 50 51DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_cmd))) 52 53override DTC_FLAGS := \ 54 -Wno-avoid_unnecessary_addr_size \ 55 -Wno-graph_child_address \ 56 -Wno-interrupt_provider 57 58# Disable undocumented compatible checks until warning free 59override DT_CHECKER_FLAGS ?= 60 61$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE 62 $(call if_changed_rule,chkdt) 63 64ifeq ($(DT_SCHEMA_FILES),) 65 66# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too. 67# Just copy processed-schema-examples.json 68 69$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE 70 $(call if_changed,copy) 71 72DT_SCHEMA_FILES = $(DT_DOCS) 73 74else 75 76# If DT_SCHEMA_FILES is specified, use it for processed-schema.json 77 78$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u 79$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE 80 $(call if_changed,mk_schema) 81 82endif 83 84always-$(CHECK_DT_BINDING) += processed-schema-examples.json 85always-$(CHECK_DTBS) += processed-schema.json 86always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES)) 87always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES)) 88 89# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of 90# build artifacts here before they are processed by scripts/Makefile.clean 91clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \ 92 -name '*.example.dt.yaml' \) -delete 2>/dev/null) 93