ASoC: dt-bindings: Convert Allwinner A64 analog codec to a schema

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/allwinner,sun50i-a64-codec-analog.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A64 Analog Codec Device Tree Bindings

maintainers:

  - Chen-Yu Tsai <wens@csie.org>

  - Maxime Ripard <maxime.ripard@bootlin.com>

properties:

  compatible:

    const: allwinner,sun50i-a64-codec-analog

  reg:

    maxItems: 1

  cpvdd-supply:

    description:

      Regulator for the headphone amplifier

required:

  - compatible

  - reg

  - cpvdd-supply

additionalProperties: false

examples:

  - |

    codec_analog: codec-analog@1f015c0 {

      compatible = "allwinner,sun50i-a64-codec-analog";

      reg = <0x01f015c0 0x4>;

      cpvdd-supply = <&reg_eldo1>;

    };

...

* Allwinner A64 Codec Analog Controls

Required properties:

- compatible: must be one of the following compatibles:

		- "allwinner,sun50i-a64-codec-analog"

- reg: must contain the registers location and length

- cpvdd-supply: Regulator supply for the headphone amplifier

Example:

	codec_analog: codec-analog@1f015c0 {

		compatible = "allwinner,sun50i-a64-codec-analog";

		reg = <0x01f015c0 0x4>;

		cpvdd-supply = <&reg_eldo1>;

	};