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

From: Chen-Yu Tsai
Date: Wed Mar 27 2024 - 04:56:15 EST


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@xxxxxxxxxxxx>
---
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@xxxxxxxxxxxx/
[2] https://lore.kernel.org/linux-arm-kernel/20230730180803.22570-4-jiaxin.yu@xxxxxxxxxxxx/
---
.../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@xxxxxxxxxx>

+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