linux-kernel - Re: [PATCH 6/9] ASoC: dt-binding: Convert MediaTek mt8183-mt6358 bindings to YAML

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Message-ID: <20250801172927.GA3114452-robh@kernel.org>
Date: Fri, 1 Aug 2025 12:29:27 -0500
From: Rob Herring <robh@...nel.org>
To: Julien Massot <julien.massot@...labora.com>
Cc: kernel@...labora.com, Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Ikjoon Jang <ikjn@...omium.org>,
	Enric Balletbo i Serra <eballetbo@...nel.org>,
	Chen-Yu Tsai <wenst@...omium.org>, Weiyi Lu <weiyi.lu@...iatek.com>,
	Eugen Hristev <eugen.hristev@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Julien Massot <jmassot@...labora.com>,
	Sean Wang <sean.wang@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-sound@...r.kernel.org,
	linux-gpio@...r.kernel.org
Subject: Re: [PATCH 6/9] ASoC: dt-binding: Convert MediaTek mt8183-mt6358
 bindings to YAML

On Fri, Aug 01, 2025 at 01:18:08PM +0200, Julien Massot wrote:
> Convert the existing text-based DT binding for MT8183 sound cards using
> MT6358 and various other codecs to a YAML schema.
> 
> Signed-off-by: Julien Massot <julien.massot@...labora.com>
> ---
>  .../sound/mt8183-mt6358-ts3a227-max98357.txt       | 25 ---------
>  .../devicetree/bindings/sound/mt8183-mt6358.yaml   | 59 ++++++++++++++++++++++

mediatek,mt8183_mt6358_ts3a227.yaml

>  2 files changed, 59 insertions(+), 25 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/mt8183-mt6358-ts3a227-max98357.txt b/Documentation/devicetree/bindings/sound/mt8183-mt6358-ts3a227-max98357.txt
> deleted file mode 100644
> index ecd46ed8eb98b99d0f2cc9eeca5f6d0aef6a5ada..0000000000000000000000000000000000000000
> --- a/Documentation/devicetree/bindings/sound/mt8183-mt6358-ts3a227-max98357.txt
> +++ /dev/null
> @@ -1,25 +0,0 @@
> -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>;
> -	};
> -
> diff --git a/Documentation/devicetree/bindings/sound/mt8183-mt6358.yaml b/Documentation/devicetree/bindings/sound/mt8183-mt6358.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..a50dc109e8f307cfb08504a9143a178e880266c9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mt8183-mt6358.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mt8183-mt6358.yaml#
> +$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@...labora.com>
> +
> +description:
> +  Binding for 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>;
> +    };
> +
> +...
> 
> -- 
> 2.50.1
>