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ASoC: dt-binding: Convert MediaTek mt8183-mt6358 to DT schema 

Convert the existing text-based DT binding for MT8183 sound cards using
MT6358 and various other codecs to a DT schema.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Julien Massot <julien.massot@collabora.com>
Link: https://patch.msgid.link/20250826-mtk-dtb-warnings-v3-6-20e89886a20e@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Julien Massot 2025-08-26 09:39:39 +02:00 committed by Mark Brown
parent cf5be90ee4
commit 82fd5dc99d
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2 changed files with 59 additions and 25 deletions
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59
Documentation/devicetree/bindings/sound/mediatek,mt8183_mt6358_ts3a227.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mediatek,mt8183_mt6358_ts3a227.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT8183 sound card with MT6358, TS3A227, and MAX98357/RT1015 codecs
maintainers:
- Julien Massot <julien.massot@collabora.com>
description:
MediaTek MT8183 SoC-based sound cards using the MT6358 codec,
with optional TS3A227 headset codec, EC codec (via Chrome EC), and HDMI audio.
Speaker amplifier can be one of MAX98357A/B, RT1015, or RT1015P.
properties:
compatible:
enum:
- mediatek,mt8183_mt6358_ts3a227_max98357
- mediatek,mt8183_mt6358_ts3a227_max98357b
- mediatek,mt8183_mt6358_ts3a227_rt1015
- mediatek,mt8183_mt6358_ts3a227_rt1015p
mediatek,platform:
$ref: /schemas/types.yaml#/definitions/phandle
description: Phandle to the MT8183 ASoC platform node (e.g., AFE).
mediatek,headset-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: Phandle to the TS3A227 headset codec.
mediatek,ec-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: |
Optional phandle to a ChromeOS EC codec node.
See bindings in google,cros-ec-codec.yaml.
mediatek,hdmi-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: Optional phandle to an HDMI audio codec node.
required:
- compatible
- mediatek,platform
additionalProperties: false
examples:
- |
sound {
compatible = "mediatek,mt8183_mt6358_ts3a227_max98357";
mediatek,headset-codec = <&ts3a227>;
mediatek,ec-codec = <&ec_codec>;
mediatek,hdmi-codec = <&it6505dptx>;
mediatek,platform = <&afe>;
};
...

25
Documentation/devicetree/bindings/sound/mt8183-mt6358-ts3a227-max98357.txt
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MT8183 with MT6358, TS3A227, MAX98357, and RT1015 CODECS
Required properties:
- compatible : "mediatek,mt8183_mt6358_ts3a227_max98357" for MAX98357A codec
"mediatek,mt8183_mt6358_ts3a227_max98357b" for MAX98357B codec
"mediatek,mt8183_mt6358_ts3a227_rt1015" for RT1015 codec
"mediatek,mt8183_mt6358_ts3a227_rt1015p" for RT1015P codec
- mediatek,platform: the phandle of MT8183 ASoC platform
Optional properties:
- mediatek,headset-codec: the phandles of ts3a227 codecs
- mediatek,ec-codec: the phandle of EC codecs.
See google,cros-ec-codec.txt for more details.
- mediatek,hdmi-codec: the phandles of HDMI codec
Example:
sound {
compatible = "mediatek,mt8183_mt6358_ts3a227_max98357";
mediatek,headset-codec = <&ts3a227>;
mediatek,ec-codec = <&ec_codec>;
mediatek,hdmi-codec = <&it6505dptx>;
mediatek,platform = <&afe>;
};