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diff --git a/Documentation/devicetree/bindings/sound/amlogic,g12a-tohdmitx.yaml b/Documentation/devicetree/bindings/sound/amlogic,g12a-tohdmitx.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/amlogic,g12a-tohdmitx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic G12a HDMI TX Control Glue
+
+maintainers:
+  - Jerome Brunet <jbrunet@baylibre.com>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  $nodename:
+    pattern: "^audio-controller@.*"
+
+  compatible:
+    oneOf:
+      - items:
+          - const: amlogic,g12a-tohdmitx
+      - items:
+          - enum:
+              - amlogic,sm1-tohdmitx
+          - const: amlogic,g12a-tohdmitx
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - resets
+  - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
+
+    tohdmitx: audio-controller@744 {
+        compatible = "amlogic,g12a-tohdmitx";
+        reg = <0x744 0x4>;
+        resets = <&clkc_audio AUD_RESET_TOHDMITX>;
+        #sound-dai-cells = <1>;
+    };