xref: /openbmc/linux/Documentation/devicetree/bindings/sound/renesas,fsi.yaml (revision 2f52475b)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/renesas,fsi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas FSI Sound Driver Device Tree Bindings

maintainers:
  - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

properties:
  $nodename:
    pattern: "^sound@.*"

  compatible:
    oneOf:
      # for FSI2 SoC
      - items:
        - enum:
          - renesas,fsi2-sh73a0
          - renesas,fsi2-r8a7740
        - enum:
          - renesas,sh_fsi2
      # for Generic
      - items:
        - enum:
          - renesas,sh_fsi
          - renesas,sh_fsi2

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  fsia,spdif-connection:
    $ref: /schemas/types.yaml#/definitions/flag
    description: FSI is connected by S/PDIF

  fsia,stream-mode-support:
    $ref: /schemas/types.yaml#/definitions/flag
    description: FSI supports 16bit stream mode

  fsia,use-internal-clock:
    $ref: /schemas/types.yaml#/definitions/flag
    description: FSI uses internal clock when master mode

  fsib,spdif-connection:
    $ref: /schemas/types.yaml#/definitions/flag
    description: same as fsia

  fsib,stream-mode-support:
    $ref: /schemas/types.yaml#/definitions/flag
    description: same as fsia

  fsib,use-internal-clock:
    $ref: /schemas/types.yaml#/definitions/flag
    description: same as fsia

required:
  - compatible
  - reg
  - interrupts

examples:
  - |
    sh_fsi2: sound@ec230000 {
            compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2";
            reg = <0xec230000 0x400>;
            interrupts = <0 146 0x4>;

            fsia,spdif-connection;
            fsia,stream-mode-support;
            fsia,use-internal-clock;
    };