[PATCH 1/3] dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC

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Even though some DW-HDMI controllers have perfectly usable HDMI-CEC
implementation, some boards might prefer not to use it or even use
software implementation instead.

Add property for disabling CEC so driver doesn't expose unused CEC
interface, if CEC pin isn't connected anywhere.

Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
---
 .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
index 4b7e54a8f037..624d32c024f6 100644
--- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
@@ -48,6 +48,11 @@ properties:
   interrupts:
     maxItems: 1
 
+  snps,disable-cec:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Disable HDMI-CEC.
+
 additionalProperties: true
 
 ...
-- 
2.40.0




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