media: dt-bindings: chrontel,ch7322: reference common CEC properties

Reference common HDMI CEC adapter properties to simplify the binding and
have only one place of definition for common properties.  The common CEC
binding expects also node name to be 'cec'.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
index 63e5b89..af8ada5 100644 (file)
--- a/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
@@ -13,6 +13,9 @@ description:
   The Chrontel CH7322 is a discrete HDMI-CEC controller. It is
   programmable through I2C and drives a single CEC line.
 
+allOf:
+  - $ref: /schemas/media/cec/cec-common.yaml#
+
 properties:
   compatible:
     const: chrontel,ch7322
@@ -40,16 +43,12 @@ properties:
       if in auto mode.
     maxItems: 1
 
-  # see ../cec.txt
-  hdmi-phandle:
-    description: phandle to the HDMI controller
-
 required:
   - compatible
   - reg
   - interrupts
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
@@ -58,7 +57,7 @@ examples:
     i2c {
       #address-cells = <1>;
       #size-cells = <0>;
-      ch7322@75 {
+      cec@75 {
         compatible = "chrontel,ch7322";
         reg = <0x75>;
         interrupts = <47 IRQ_TYPE_EDGE_RISING>;