Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/media/cec/cec-common.yaml b/Bindings/media/cec/cec-common.yaml
new file mode 100644
index 0000000..af6ee5f
--- /dev/null
+++ b/Bindings/media/cec/cec-common.yaml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/cec/cec-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HDMI CEC Adapters Common Properties
+
+maintainers:
+  - Hans Verkuil <hverkuil@xs4all.nl>
+
+properties:
+  $nodename:
+    pattern: "^cec(@[0-9a-f]+|-[0-9]+)?$"
+
+  hdmi-phandle:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the HDMI controller.
+
+  needs-hpd:
+    type: boolean
+    description:
+      The CEC support is only available when the HPD is high. Some boards only
+      let the CEC pin through if the HPD is high, for example if there is a
+      level converter that uses the HPD to power up or down.
+
+additionalProperties: true