ASoC: dt-bindings: meson: convert axg fifo to schema

* Amlogic Audio FIFO controllers

Required properties:

- compatible: 'amlogic,axg-toddr' or

	      'amlogic,axg-toddr' or

	      'amlogic,g12a-frddr' or

	      'amlogic,g12a-toddr' or

	      'amlogic,sm1-frddr' or

	      'amlogic,sm1-toddr'

- reg: physical base address of the controller and length of memory

       mapped region.

- interrupts: interrupt specifier for the fifo.

- clocks: phandle to the fifo peripheral clock provided by the audio

	  clock controller.

- resets: list of reset phandle, one for each entry reset-names.

- reset-names: should contain the following:

  * "arb" : memory ARB line (required)

  * "rst" : dedicated device reset line (optional)

- #sound-dai-cells: must be 0.

- amlogic,fifo-depth: The size of the controller's fifo in bytes. This

  		      is useful for determining certain configuration such

		      as the flush threshold of the fifo

Example of FRDDR A on the A113 SoC:

frddr_a: audio-controller@1c0 {

	compatible = "amlogic,axg-frddr";

	reg = <0x0 0x1c0 0x0 0x1c>;

	#sound-dai-cells = <0>;

	interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;

	clocks = <&clkc_audio AUD_CLKID_FRDDR_A>;

	resets = <&arb AXG_ARB_FRDDR_A>;

	fifo-depth = <512>;

};

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/amlogic,axg-fifo.yaml#

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

title: Amlogic AXG Audio FIFO controllers

maintainers:

  - Jerome Brunet <jbrunet@baylibre.com>

properties:

  compatible:

    oneOf:

      - enum:

          - amlogic,axg-toddr

          - amlogic,axg-frddr

      - items:

          - enum:

              - amlogic,g12a-toddr

              - amlogic,sm1-toddr

          - const: amlogic,axg-toddr

      - items:

          - enum:

              - amlogic,g12a-frddr

              - amlogic,sm1-frddr

          - const: amlogic,axg-frddr

  reg:

    maxItems: 1

  "#sound-dai-cells":

    const: 0

  clocks:

    items:

      - description: Peripheral clock

  interrupts:

    maxItems: 1

  resets:

    minItems: 1

    maxItems: 2

  reset-names:

    minItems: 1

    maxItems: 2

  amlogic,fifo-depth:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: Size of the controller's fifo in bytes

required:

  - compatible

  - reg

  - "#sound-dai-cells"

  - clocks

  - interrupts

  - resets

  - amlogic,fifo-depth

allOf:

  - $ref: dai-common.yaml#

  - if:

      properties:

        compatible:

          contains:

            enum:

              - amlogic,g12a-toddr

              - amlogic,sm1-toddr

              - amlogic,g12a-frddr

              - amlogic,sm1-frddr

    then:

      properties:

        resets:

          minItems: 2

        reset-names:

          items:

            - const: arb

            - const: rst

      required:

        - reset-names

    else:

      properties:

        resets:

          maxItems: 1

        reset-names:

          const: arb

unevaluatedProperties: false

examples:

  - |

    #include <dt-bindings/clock/axg-audio-clkc.h>

    #include <dt-bindings/interrupt-controller/irq.h>

    #include <dt-bindings/interrupt-controller/arm-gic.h>

    #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>

    #include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>

    audio-controller@1c0 {

        compatible = "amlogic,g12a-frddr", "amlogic,axg-frddr";

        reg = <0x1c0 0x1c>;

        #sound-dai-cells = <0>;

        clocks = <&clkc_audio AUD_CLKID_FRDDR_A>;

        interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;

        resets = <&arb>, <&clkc_audio AUD_RESET_FRDDR_A>;

        reset-names = "arb", "rst";

        amlogic,fifo-depth = <512>;

    };