Unverified Commit 115e7d76 authored by Anushka Badhe's avatar Anushka Badhe Committed by Mark Brown
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ASoC: dt-bindings: rockchip: convert rk3399-gru-sound to DT Schema 



Convert the rockchip,rk3399-gru-sound.txt DT binding to DT Schema
format.

Update rockchip,cpu from a single I2S controller phandle to a
phandle-array. Add an optional second entry for the SPDIF controller,
as seen in rk3399-gru.dtsi, required by boards with DisplayPort audio.

Signed-off-by: default avatarAnushka Badhe <anushkabadhe@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260410055532.60868-1-anushkabadhe@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c5b6285a

Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt

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ROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards



Required properties:

- compatible: "rockchip,rk3399-gru-sound"

- rockchip,cpu: The phandle of the Rockchip I2S controller that's

  connected to the codecs

- rockchip,codec: The phandle of the audio codecs



Optional properties:

- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready.

  If this option is specified, which means it's required dmic need

  delay for DMIC to ready so that rt5514 can avoid recording before

  DMIC send valid data



Example:



sound {

	compatible = "rockchip,rk3399-gru-sound";

	rockchip,cpu = <&i2s0>;

	rockchip,codec = <&max98357a &rt5514 &da7219>;

	dmic-wakeup-delay-ms = <20>;

};

Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/rockchip,rk3399-gru-sound.yaml#

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



title: Rockchip with MAX98357A/RT5514/DA7219 codecs on GRU boards



maintainers:

  - Heiko Stuebner <heiko@sntech.de>



properties:

  compatible:

    const: rockchip,rk3399-gru-sound



  rockchip,cpu:

    $ref: /schemas/types.yaml#/definitions/phandle-array

    description: |

      List of phandles to the Rockchip CPU DAI controllers connected to codecs

    minItems: 1

    items:

      - items:

          - description: Phandle to the Rockchip I2S controllers

      - items:

          - description: |

              Phandle to the Rockchip SPDIF controller. Required when a

              DisplayPort audio codec is referenced in rockchip,codec



  rockchip,codec:

    $ref: /schemas/types.yaml#/definitions/phandle-array

    description: |

      The phandles of the audio codecs connected to the Rockchip CPU DAI

      controllers

    minItems: 1

    maxItems: 6

    items:

      maxItems: 1



  dmic-wakeup-delay-ms:

    description: |

      specify delay time (ms) for DMIC ready.

      If this option is specified, a delay is required for DMIC to get ready

      so that rt5514 can avoid recording before DMIC sends valid data



required:

  - compatible

  - rockchip,cpu

  - rockchip,codec



additionalProperties: false



examples:

  - |

    sound {

      compatible = "rockchip,rk3399-gru-sound";

      rockchip,cpu = <&i2s0 &spdif>;

      rockchip,codec = <&max98357a &rt5514 &da7219 &cdn_dp>;

      dmic-wakeup-delay-ms = <20>;

    };