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 at collabora.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 at collabora.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
>