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
6 DT_SCHEMA_LINT = $(shell which yamllint)
8 DT_SCHEMA_MIN_VERSION = 2021.2.1
10 PHONY += check_dtschema_version
11 check_dtschema_version:
12 @which $(DT_DOC_CHECKER) >/dev/null || \
13 { echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \
14 echo "Ensure dtschema python package is installed and in your PATH." >&2; \
15 echo "Current PATH is:" >&2; \
16 echo "$$PATH" >&2; false; }
17 @{ echo $(DT_SCHEMA_MIN_VERSION); \
18 $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
19 { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
21 quiet_cmd_extract_ex = DTEX $@
22 cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
24 $(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
25 $(call if_changed,extract_ex)
27 # Use full schemas when checking %.example.dts
28 DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
30 find_all_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
31 -name 'processed-schema*' ! \
32 -name '*.example.dt.yaml' \)
34 ifeq ($(DT_SCHEMA_FILES),)
35 find_cmd = $(find_all_cmd)
37 find_cmd = echo $(addprefix $(srctree)/, $(DT_SCHEMA_FILES))
40 quiet_cmd_yamllint = LINT $(src)
41 cmd_yamllint = ($(find_cmd) | \
42 xargs -n200 -P$$(nproc) \
43 $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true
45 quiet_cmd_chk_bindings = CHKDT $@
46 cmd_chk_bindings = ($(find_cmd) | \
47 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
49 quiet_cmd_mk_schema = SCHEMA $@
50 cmd_mk_schema = f=$$(mktemp) ; \
51 $(if $(DT_MK_SCHEMA_FLAGS), \
52 printf '%s\n' $(real-prereqs), \
53 $(find_all_cmd)) > $$f ; \
54 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
58 $(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
59 $(call cmd,chk_bindings)
63 DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
65 override DTC_FLAGS := \
66 -Wno-avoid_unnecessary_addr_size \
67 -Wno-graph_child_address \
68 -Wno-interrupt_provider
70 # Disable undocumented compatible checks until warning free
71 override DT_CHECKER_FLAGS ?=
73 $(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
74 $(call if_changed_rule,chkdt)
76 ifeq ($(DT_SCHEMA_FILES),)
78 # Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
79 # Just copy processed-schema-examples.json
81 $(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
82 $(call if_changed,copy)
84 DT_SCHEMA_FILES = $(DT_DOCS)
88 # If DT_SCHEMA_FILES is specified, use it for processed-schema.json
90 $(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
91 $(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
92 $(call if_changed,mk_schema)
96 always-$(CHECK_DT_BINDING) += processed-schema-examples.json
97 always-$(CHECK_DTBS) += processed-schema.json
98 always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
99 always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
101 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
102 # build artifacts here before they are processed by scripts/Makefile.clean
103 clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
104 -name '*.example.dt.yaml' \) -delete 2>/dev/null)