ASoC: dt-bindings: nau8810: Convert to dtschema

Convert the NAU8810 audio CODEC bindings to DT schema.

Signed-off-by: David Lin <CTLIN0@nuvoton.com
Link: https://lore.kernel.org/r/20230516054447.1081404-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org

Documentation/devicetree/bindings/sound/nau8810.txt

-NAU8810/NAU8812/NAU8814 audio CODEC
-
-This device supports I2C only.
-
-Required properties:
-
-  - compatible : One of "nuvoton,nau8810" or "nuvoton,nau8812" or
-	"nuvoton,nau8814"
-
-  - reg : the I2C address of the device.
-
-Example:
-
-codec: nau8810@1a {
-	compatible = "nuvoton,nau8810";
-	reg = <0x1a>;
-};

Documentation/devicetree/bindings/sound/nuvoton,nau8810.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nuvoton,nau8810.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NAU8810/NAU8812/NAU8814 audio CODEC
+
+maintainers:
+  - David Lin <CTLIN0@nuvoton.com>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,nau8810
+      - nuvoton,nau8812
+      - nuvoton,nau8814
+
+  reg:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        codec@1a {
+            #sound-dai-cells = <0>;
+            compatible = "nuvoton,nau8810";
+            reg = <0x1a>;
+        };
+    };