[PATCH v2] dt-bindings: display: bridge: it6505: Add #sound-dai-cells

[Chen-Yu Tsai <wenst@chromium.org>]

The ITE IT6505 display bridge can take one I2S input and transmit it
over the DisplayPort link.

Add #sound-dai-cells (= 0) to the binding for it.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
---
Changes since v1 [1]:
- Reference /schemas/sound/dai-common.yaml
- Change "additionalProperties: false" to "unevaluatedProperties: false"

The driver side changes [2] are still being worked on.

[1] https://lore.kernel.org/dri-devel/20240126073511.2708574-1-wenst@chromium.org/
[2] https://lore.kernel.org/linux-arm-kernel/20230730180803.22570-4-jiaxin.yu@mediatek.com/
---
 .../devicetree/bindings/display/bridge/ite,it6505.yaml    | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
index c9a882ee6d98..c4469f463978 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -9,6 +9,9 @@ title: ITE it6505
 maintainers:
   - Allen Chen <allen.chen@ite.com.tw>
 
+allOf:
+  - $ref: /schemas/sound/dai-common.yaml#
+
 description: |
   The IT6505 is a high-performance DisplayPort 1.1a transmitter,
   fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications.
@@ -52,6 +55,9 @@ properties:
     maxItems: 1
     description: extcon specifier for the Power Delivery
 
+  "#sound-dai-cells":
+    const: 0
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
@@ -105,7 +111,7 @@ required:
   - extcon
   - ports
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

base-commit: 084c8e315db34b59d38d06e684b1a0dd07d30287
-- 
2.44.0.396.g6e790dbe36-goog