ASoC: dt-bindings: tfa9879: Convert to dtschema

Convert the tfa9879 audio CODEC bindings to DT schema
No error/warning seen when running make dt_binding_check

Signed-off-by: Bragatheswaran Manickavel <bragathemanick0908@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230921183313.54112-1-bragathemanick0908@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/nxp,tfa9879.yaml

@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nxp,tfa9879.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP TFA9879 class-D audio amplifier
+
+maintainers:
+  - Peter Rosin <peda@axentia.se>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: nxp,tfa9879
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - '#sound-dai-cells'
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c1 {
+       #address-cells = <1>;
+       #size-cells = <0>;
+       amplifier@6c {
+          compatible = "nxp,tfa9879";
+          reg = <0x6c>;
+          pinctrl-names = "default";
+          pinctrl-0 = <&pinctrl_i2c1>;
+          #sound-dai-cells = <0>;
+       };
+    };

Documentation/devicetree/bindings/sound/tfa9879.txt

@@ -1,23 +0,0 @@
-NXP TFA9879 class-D audio amplifier
-
-Required properties:
-
-- compatible : "nxp,tfa9879"
-
-- reg : the I2C address of the device
-
-- #sound-dai-cells : must be 0.
-
-Example:
-
-&i2c1 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_i2c1>;
-
-	amp: amp@6c {
-		#sound-dai-cells = <0>;
-		compatible = "nxp,tfa9879";
-		reg = <0x6c>;
-	};
-};
-

MAINTAINERS

@@ -15423,7 +15423,7 @@ NXP TFA9879 DRIVER
 M:	Peter Rosin <peda@axentia.se>
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:	Maintained
-F:	Documentation/devicetree/bindings/sound/tfa9879.txt
+F:	Documentation/devicetree/bindings/sound/nxp,tfa9879.yaml
 F:	sound/soc/codecs/tfa9879*
 
 NXP-NCI NFC DRIVER