2 files changed, 47 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/.yamllint b/Documentation/devicetree/bindings/.yamllint
new file mode 100644
index 000000000000..214abd3ec440
--- /dev/null
+++ b/Documentation/devicetree/bindings/.yamllint
@@ -0,0 +1,39 @@
+extends: relaxed
+
+rules:
+  line-length:
+    # 80 chars should be enough, but don't fail if a line is longer
+    max: 110
+    allow-non-breakable-words: true
+    level: warning
+  braces:
+    min-spaces-inside: 0
+    max-spaces-inside: 1
+    min-spaces-inside-empty: 0
+    max-spaces-inside-empty: 0
+  brackets:
+    min-spaces-inside: 0
+    max-spaces-inside: 1
+    min-spaces-inside-empty: 0
+    max-spaces-inside-empty: 0
+  colons: {max-spaces-before: 0, max-spaces-after: 1}
+  commas: {min-spaces-after: 1, max-spaces-after: 1}
+  comments:
+    require-starting-space: false
+    min-spaces-from-content: 1
+  comments-indentation: disable
+  document-start:
+    present: true
+  empty-lines:
+    max: 3
+    max-end: 1
+  empty-values:
+    forbid-in-block-mappings: true
+    forbid-in-flow-mappings: true
+  hyphens:
+    max-spaces-after: 1
+  indentation:
+    spaces: 2
+    indent-sequences: true
+    check-multi-line-strings: false
+  trailing-spaces: false
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index ec8073cb2e71..f50420099a55 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -3,6 +3,8 @@ DT_DOC_CHECKER ?= dt-doc-validate
 DT_EXTRACT_EX ?= dt-extract-example
 DT_MK_SCHEMA ?= dt-mk-schema
 
+DT_SCHEMA_LINT = $(shell which yamllint)
+
 DT_SCHEMA_MIN_VERSION = 2020.8.1
 
 PHONY += check_dtschema_version
@@ -24,6 +26,10 @@ find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
 		-name 'processed-schema*' ! \
 		-name '*.example.dt.yaml' \)
 
+quiet_cmd_yamllint = LINT    $(src)
+      cmd_yamllint = $(find_cmd) | \
+                     xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint
+
 quiet_cmd_chk_bindings = CHKDT   $@
       cmd_chk_bindings = $(find_cmd) | \
                          xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)
@@ -37,6 +43,7 @@ quiet_cmd_mk_schema = SCHEMA  $@
 		      rm -f $$f
 
 define rule_chkdt
+	$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
 	$(call cmd,chk_bindings)
 	$(call cmd,mk_schema)
 endef
@@ -48,7 +55,7 @@ override DTC_FLAGS := \
 	-Wno-graph_child_address \
 	-Wno-interrupt_provider
 
-$(obj)/processed-schema-examples.json: $(DT_DOCS) check_dtschema_version FORCE
+$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
 	$(call if_changed_rule,chkdt)
 
 ifeq ($(DT_SCHEMA_FILES),)