Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
5
6DT_SCHEMA_MIN_VERSION = 2020.5
7
8PHONY += check_dtschema_version
9check_dtschema_version:
10 @{ echo $(DT_SCHEMA_MIN_VERSION); \
11 $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
12 { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
13
14quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
15 cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
16 $(DT_EXTRACT_EX) $< > $@
17
18$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
19 $(call if_changed,chk_binding)
20
21# Use full schemas when checking %.example.dts
22DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
23
24find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
25 -name 'processed-schema*' ! \
26 -name '*.example.dt.yaml' \)
27
28quiet_cmd_mk_schema = SCHEMA $@
29 cmd_mk_schema = rm -f $@ ; \
30 $(if $(DT_MK_SCHEMA_FLAGS), \
31 echo $(real-prereqs), \
32 $(find_cmd)) | \
33 xargs $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) >> $@
34
35DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
36
37override DTC_FLAGS := \
38 -Wno-avoid_unnecessary_addr_size \
39 -Wno-graph_child_address \
40 -Wno-interrupt_provider
41
42$(obj)/processed-schema-examples.yaml: $(DT_DOCS) check_dtschema_version FORCE
43 $(call if_changed,mk_schema)
44
45ifeq ($(DT_SCHEMA_FILES),)
46
47# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
48# Just copy processed-schema-examples.yaml
49
50$(obj)/processed-schema.yaml: $(obj)/processed-schema-examples.yaml FORCE
51 $(call if_changed,copy)
52
53DT_SCHEMA_FILES = $(DT_DOCS)
54
55else
56
57# If DT_SCHEMA_FILES is specified, use it for processed-schema.yaml
58
59$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
60$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
61 $(call if_changed,mk_schema)
62
63endif
64
65extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
66extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
67extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
68extra-$(CHECK_DTBS) += processed-schema.yaml
69
70# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
71# build artifacts here before they are processed by scripts/Makefile.clean
72clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
73 -name '*.example.dt.yaml' \) -delete 2>/dev/null)