14f0e3a57SRob Herring# SPDX-License-Identifier: GPL-2.0
24f0e3a57SRob HerringDT_DOC_CHECKER ?= dt-doc-validate
34f0e3a57SRob HerringDT_EXTRACT_EX ?= dt-extract-example
44f0e3a57SRob HerringDT_MK_SCHEMA ?= dt-mk-schema
54f0e3a57SRob Herring
63e6ae243SRob HerringDT_SCHEMA_MIN_VERSION = 2020.8.1
7ea5b8b5eSRob Herring
8ea5b8b5eSRob HerringPHONY += check_dtschema_version
9ea5b8b5eSRob Herringcheck_dtschema_version:
10ea5b8b5eSRob Herring	@{ echo $(DT_SCHEMA_MIN_VERSION); \
11ea5b8b5eSRob Herring	$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
12ea5b8b5eSRob Herring	{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
13ea5b8b5eSRob Herring
14*7ba58fffSRob Herringquiet_cmd_extract_ex = DTEX    $@
15*7ba58fffSRob Herring      cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
164f0e3a57SRob Herring
17ea5b8b5eSRob Herring$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
18*7ba58fffSRob Herring	$(call if_changed,extract_ex)
194f0e3a57SRob Herring
202ba06cd8SRob Herring# Use full schemas when checking %.example.dts
21b8a49399SAndrei ZiureaevDT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
224f0e3a57SRob Herring
238b6b8021SRob Herringfind_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
242ba06cd8SRob Herring		-name 'processed-schema*' ! \
258b6b8021SRob Herring		-name '*.example.dt.yaml' \)
268b6b8021SRob Herring
27*7ba58fffSRob Herringquiet_cmd_chk_bindings = CHKDT   $@
28*7ba58fffSRob Herring      cmd_chk_bindings = $(find_cmd) | \
29*7ba58fffSRob Herring                         xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)
30*7ba58fffSRob Herring
318b6b8021SRob Herringquiet_cmd_mk_schema = SCHEMA  $@
32b8a49399SAndrei Ziureaev      cmd_mk_schema = f=$$(mktemp) ; \
338b6b8021SRob Herring                      $(if $(DT_MK_SCHEMA_FLAGS), \
348b6b8021SRob Herring                           echo $(real-prereqs), \
35b8a49399SAndrei Ziureaev                           $(find_cmd)) > $$f ; \
36b8a49399SAndrei Ziureaev                      $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
37b8a49399SAndrei Ziureaev		      rm -f $$f
388b6b8021SRob Herring
39*7ba58fffSRob Herringdefine rule_chkdt
40*7ba58fffSRob Herring	$(call cmd,chk_bindings)
41*7ba58fffSRob Herring	$(call cmd,mk_schema)
42*7ba58fffSRob Herringendef
43*7ba58fffSRob Herring
448b6b8021SRob HerringDT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
455fa98c2eSRob Herring
4665220630SRob Herringoverride DTC_FLAGS := \
4765220630SRob Herring	-Wno-avoid_unnecessary_addr_size \
483eb619b2SRob Herring	-Wno-graph_child_address \
493eb619b2SRob Herring	-Wno-interrupt_provider
5065220630SRob Herring
51b8a49399SAndrei Ziureaev$(obj)/processed-schema-examples.json: $(DT_DOCS) check_dtschema_version FORCE
52*7ba58fffSRob Herring	$(call if_changed_rule,chkdt)
534f0e3a57SRob Herring
54dee9c0b5SMasahiro Yamadaifeq ($(DT_SCHEMA_FILES),)
55dee9c0b5SMasahiro Yamada
56dee9c0b5SMasahiro Yamada# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
57b8a49399SAndrei Ziureaev# Just copy processed-schema-examples.json
58dee9c0b5SMasahiro Yamada
59b8a49399SAndrei Ziureaev$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
60dee9c0b5SMasahiro Yamada	$(call if_changed,copy)
61dee9c0b5SMasahiro Yamada
62dee9c0b5SMasahiro YamadaDT_SCHEMA_FILES = $(DT_DOCS)
63dee9c0b5SMasahiro Yamada
64dee9c0b5SMasahiro Yamadaelse
65dee9c0b5SMasahiro Yamada
66b8a49399SAndrei Ziureaev# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
67dee9c0b5SMasahiro Yamada
68b8a49399SAndrei Ziureaev$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
69b8a49399SAndrei Ziureaev$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
704f0e3a57SRob Herring	$(call if_changed,mk_schema)
7193512dadSRob Herring
72dee9c0b5SMasahiro Yamadaendif
73dee9c0b5SMasahiro Yamada
74b8a49399SAndrei Ziureaevextra-$(CHECK_DT_BINDING) += processed-schema-examples.json
75b8a49399SAndrei Ziureaevextra-$(CHECK_DTBS) += processed-schema.json
76*7ba58fffSRob Herringextra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
77*7ba58fffSRob Herringextra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
78fa714cf5SMasahiro Yamada
79fa714cf5SMasahiro Yamada# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
80fa714cf5SMasahiro Yamada# build artifacts here before they are processed by scripts/Makefile.clean
81fa714cf5SMasahiro Yamadaclean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
82fa714cf5SMasahiro Yamada			-name '*.example.dt.yaml' \) -delete 2>/dev/null)
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