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 = 2022.3 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 = $(find_all_cmd) | grep -F "$(DT_SCHEMA_FILES)" 32CHK_DT_DOCS := $(shell $(find_cmd)) 33 34quiet_cmd_yamllint = LINT $(src) 35 cmd_yamllint = ($(find_cmd) | \ 36 xargs -n200 -P$$(nproc) \ 37 $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true 38 39quiet_cmd_chk_bindings = CHKDT $@ 40 cmd_chk_bindings = ($(find_cmd) | \ 41 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true 42 43quiet_cmd_mk_schema = SCHEMA $@ 44 cmd_mk_schema = f=$$(mktemp) ; \ 45 $(if $(DT_MK_SCHEMA_FLAGS), \ 46 printf '%s\n' $(real-prereqs), \ 47 $(find_all_cmd)) > $$f ; \ 48 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \ 49 rm -f $$f 50 51define rule_chkdt 52 $(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),) 53 $(call cmd,chk_bindings) 54 $(call cmd,mk_schema) 55endef 56 57DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd))) 58 59override DTC_FLAGS := \ 60 -Wno-avoid_unnecessary_addr_size \ 61 -Wno-graph_child_address \ 62 -Wno-interrupt_provider \ 63 -Wno-unique_unit_address \ 64 -Wunique_unit_address_if_enabled 65 66# Disable undocumented compatible checks until warning free 67override DT_CHECKER_FLAGS ?= 68 69$(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE 70 $(call if_changed_rule,chkdt) 71 72always-y += processed-schema.json 73always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS)) 74always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS)) 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