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    1 # SPDX-License-Identifier: GPL-2.0
    2 DT_DOC_CHECKER ?= dt-doc-validate
    3 DT_EXTRACT_EX ?= dt-extract-example
    4 DT_MK_SCHEMA ?= dt-mk-schema
    5 
    6 DT_SCHEMA_LINT = $(shell which yamllint || \
    7   echo "warning: python package 'yamllint' not installed, skipping" >&2)
    8 
    9 DT_SCHEMA_MIN_VERSION = 2022.3
   10 
   11 PHONY += check_dtschema_version
   12 check_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 
   22 quiet_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 
   28 find_all_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
   29                 -name 'processed-schema*' \)
   30 
   31 find_cmd = $(find_all_cmd) | grep -F "$(DT_SCHEMA_FILES)"
   32 CHK_DT_DOCS := $(shell $(find_cmd))
   33 
   34 quiet_cmd_yamllint = LINT    $(src)
   35       cmd_yamllint = ($(find_cmd) | \
   36                      xargs -n200 -P$$(nproc) \
   37                      $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true
   38 
   39 quiet_cmd_chk_bindings = CHKDT   $@
   40       cmd_chk_bindings = ($(find_cmd) | \
   41                          xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
   42 
   43 quiet_cmd_mk_schema = SCHEMA  $@
   44       cmd_mk_schema = f=$$(mktemp) ; \
   45                       $(find_all_cmd) > $$f ; \
   46                       $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
   47                       rm -f $$f
   48 
   49 define rule_chkdt
   50         $(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
   51         $(call cmd,chk_bindings)
   52         $(call cmd,mk_schema)
   53 endef
   54 
   55 DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
   56 
   57 override DTC_FLAGS := \
   58         -Wno-avoid_unnecessary_addr_size \
   59         -Wno-graph_child_address \
   60         -Wno-interrupt_provider \
   61         -Wno-unique_unit_address \
   62         -Wunique_unit_address_if_enabled
   63 
   64 # Disable undocumented compatible checks until warning free
   65 override DT_CHECKER_FLAGS ?=
   66 
   67 $(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
   68         $(call if_changed_rule,chkdt)
   69 
   70 always-y += processed-schema.json
   71 always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
   72 always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
   73 
   74 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
   75 # build artifacts here before they are processed by scripts/Makefile.clean
   76 clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
   77                         -name '*.example.dtb' \) -delete 2>/dev/null)

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/Makefile

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/Makefile