xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/Makefile (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593SmuzhiyunDT_DOC_CHECKER ?= dt-doc-validate
3*4882a593SmuzhiyunDT_EXTRACT_EX ?= dt-extract-example
4*4882a593SmuzhiyunDT_MK_SCHEMA ?= dt-mk-schema
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunDT_SCHEMA_LINT = $(shell which yamllint)
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunDT_SCHEMA_MIN_VERSION = 2020.8.1
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunPHONY += check_dtschema_version
11*4882a593Smuzhiyuncheck_dtschema_version:
12*4882a593Smuzhiyun	@{ echo $(DT_SCHEMA_MIN_VERSION); \
13*4882a593Smuzhiyun	$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
14*4882a593Smuzhiyun	{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunquiet_cmd_extract_ex = DTEX    $@
17*4882a593Smuzhiyun      cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
20*4882a593Smuzhiyun	$(call if_changed,extract_ex)
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun# Use full schemas when checking %.example.dts
23*4882a593SmuzhiyunDT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
24*4882a593Smuzhiyun
25*4882a593Smuzhiyunfind_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
26*4882a593Smuzhiyun		-name 'processed-schema*' ! \
27*4882a593Smuzhiyun		-name '*.example.dt.yaml' \)
28*4882a593Smuzhiyun
29*4882a593Smuzhiyunquiet_cmd_yamllint = LINT    $(src)
30*4882a593Smuzhiyun      cmd_yamllint = $(find_cmd) | \
31*4882a593Smuzhiyun                     xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunquiet_cmd_chk_bindings = CHKDT   $@
34*4882a593Smuzhiyun      cmd_chk_bindings = $(find_cmd) | \
35*4882a593Smuzhiyun                         xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)
36*4882a593Smuzhiyun
37*4882a593Smuzhiyunquiet_cmd_mk_schema = SCHEMA  $@
38*4882a593Smuzhiyun      cmd_mk_schema = f=$$(mktemp) ; \
39*4882a593Smuzhiyun                      $(if $(DT_MK_SCHEMA_FLAGS), \
40*4882a593Smuzhiyun                           echo $(real-prereqs), \
41*4882a593Smuzhiyun                           $(find_cmd)) > $$f ; \
42*4882a593Smuzhiyun                      $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
43*4882a593Smuzhiyun		      rm -f $$f
44*4882a593Smuzhiyun
45*4882a593Smuzhiyundefine rule_chkdt
46*4882a593Smuzhiyun	$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
47*4882a593Smuzhiyun	$(call cmd,chk_bindings)
48*4882a593Smuzhiyun	$(call cmd,mk_schema)
49*4882a593Smuzhiyunendef
50*4882a593Smuzhiyun
51*4882a593SmuzhiyunDT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
52*4882a593Smuzhiyun
53*4882a593Smuzhiyunoverride DTC_FLAGS := \
54*4882a593Smuzhiyun	-Wno-avoid_unnecessary_addr_size \
55*4882a593Smuzhiyun	-Wno-graph_child_address \
56*4882a593Smuzhiyun	-Wno-interrupt_provider
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
59*4882a593Smuzhiyun	$(call if_changed_rule,chkdt)
60*4882a593Smuzhiyun
61*4882a593Smuzhiyunifeq ($(DT_SCHEMA_FILES),)
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
64*4882a593Smuzhiyun# Just copy processed-schema-examples.json
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
67*4882a593Smuzhiyun	$(call if_changed,copy)
68*4882a593Smuzhiyun
69*4882a593SmuzhiyunDT_SCHEMA_FILES = $(DT_DOCS)
70*4882a593Smuzhiyun
71*4882a593Smuzhiyunelse
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
76*4882a593Smuzhiyun$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
77*4882a593Smuzhiyun	$(call if_changed,mk_schema)
78*4882a593Smuzhiyun
79*4882a593Smuzhiyunendif
80*4882a593Smuzhiyun
81*4882a593Smuzhiyunextra-$(CHECK_DT_BINDING) += processed-schema-examples.json
82*4882a593Smuzhiyunextra-$(CHECK_DTBS) += processed-schema.json
83*4882a593Smuzhiyunextra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
84*4882a593Smuzhiyunextra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
87*4882a593Smuzhiyun# build artifacts here before they are processed by scripts/Makefile.clean
88*4882a593Smuzhiyunclean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
89*4882a593Smuzhiyun			-name '*.example.dt.yaml' \) -delete 2>/dev/null)
90