xref: /linux/Documentation/devicetree/bindings/Makefile (revision 88a8e278ff0b6b461bf39d4ace17384e976a3f3f)
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
5DT_MK_SCHEMA_USERONLY_FLAG := $(if $(DT_SCHEMA_FILES), -u)
6
7quiet_cmd_chk_binding = CHKDT   $(patsubst $(srctree)/%,%,$<)
8      cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
9                        $(DT_EXTRACT_EX) $< > $@
10
11$(obj)/%.example.dts: $(src)/%.yaml FORCE
12	$(call if_changed,chk_binding)
13
14# Use full schemas when checking %.example.dts
15DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
16
17find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
18		-name 'processed-schema*' ! \
19		-name '*.example.dt.yaml' \)
20
21quiet_cmd_mk_schema = SCHEMA  $@
22      cmd_mk_schema = rm -f $@ ; \
23                      $(if $(DT_MK_SCHEMA_FLAGS), \
24                           echo $(real-prereqs), \
25                           $(find_cmd)) | \
26                      xargs $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) >> $@
27
28DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
29
30DT_SCHEMA_FILES ?= $(DT_DOCS)
31
32extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
33extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
34extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
35
36override DTC_FLAGS := \
37	-Wno-avoid_unnecessary_addr_size \
38	-Wno-graph_child_address
39
40$(obj)/processed-schema-examples.yaml: $(DT_DOCS) FORCE
41	$(call if_changed,mk_schema)
42
43$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := $(DT_MK_SCHEMA_USERONLY_FLAG)
44$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) FORCE
45	$(call if_changed,mk_schema)
46
47extra-y += processed-schema.yaml
48