dt-bindings: Bump dtschema version required to v2021.2.1

There's several dependencies in dtschema since v2020.8.1 we need, so
let's bump the version required to v2021.2.1. Specifically, the
graph.yaml schema and improved undocumented compatible check are needed.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210311233640.1581526-1-robh@kernel.org

diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 780e5618ec0ae2fc7942c86a802d9cc98119494b..81f0b3294c6458a2f98ab1a5cb7371c040393a05 100644 (file)
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -5,7 +5,7 @@ DT_MK_SCHEMA ?= dt-mk-schema
 
 DT_SCHEMA_LINT = $(shell which yamllint)
 
-DT_SCHEMA_MIN_VERSION = 2020.8.1
+DT_SCHEMA_MIN_VERSION = 2021.2.1
 
 PHONY += check_dtschema_version
 check_dtschema_version: