From: Rafael Beims <rafael.beims@toradex.com>

Add the I2S audio input port for audio over HDMI support.

Signed-off-by: Rafael Beims <rafael.beims@toradex.com>
---
 .../bindings/display/bridge/lontium,lt8912b.yaml          | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
index 2cef25215798..ce555f52beb8 100644
--- a/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
@@ -51,6 +51,11 @@ properties:
           HDMI port, should be connected to a node compatible with the
           hdmi-connector binding.
 
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          I2S Audio input port
+
     required:
       - port@0
       - port@1
@@ -76,6 +81,9 @@ properties:
   vdd-supply:
     description: A 1.8V supply that powers the digital part.
 
+  "#sound-dai-cells":
+    const: 0
+
 required:
   - compatible
   - reg
-- 
2.47.2

On Mon, 03 Feb 2025 16:23:55 -0300, rafael@beims.me wrote:
> From: Rafael Beims <rafael.beims@toradex.com>
> 
> Add the I2S audio input port for audio over HDMI support.
> 
> Signed-off-by: Rafael Beims <rafael.beims@toradex.com>
> ---
>  .../bindings/display/bridge/lontium,lt8912b.yaml          | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>