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Date:   Mon, 12 Jun 2023 18:24:48 +0100
From:   Conor Dooley <conor@kernel.org>
To:     YingKun Meng <mengyingkun@loongson.cn>
Cc:     krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org,
        conor+dt@kernel.org, broonie@kernel.org, lgirdwood@gmail.com,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        alsa-devel@alsa-project.org, loongarch@lists.linux.dev,
        loongson-kernel@lists.loongnix.cn
Subject: Re: [ PATCH v2 3/3] ASoC: dt-bindings: Add support for Loongson
 audio card
Message-ID: <20230612-booted-french-186dd95e78a9@spud>
References: <20230612085614.3039498-1-mengyingkun@loongson.cn>
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Hey!

On Mon, Jun 12, 2023 at 04:56:14PM +0800, YingKun Meng wrote:
> From: Yingkun Meng <mengyingkun@loongson.cn>
>=20
> The audio card uses loongson I2S controller present in
> 7axxx/2kxxx chips to transfer audio data.
>=20
> On loongson platform, the chip has only one I2S controller.
>=20
> Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>

I got 2 copies of this patch, but none of the rest of the series appears
to be threaded with it.

>  .../sound/loongson,ls-audio-card.yaml         | 70 +++++++++++++++++++
>  1 file changed, 70 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/loongson,ls-a=
udio-card.yaml
>=20
> diff --git a/Documentation/devicetree/bindings/sound/loongson,ls-audio-ca=
rd.yaml b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.ya=
ml
> new file mode 100644
> index 000000000000..61e8babed402
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/loongson,ls-audio-card.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson 7axxx/2kxxx ASoC audio sound card driver
> +
> +maintainers:
> +  - Yingkun Meng <mengyingkun@loongson.cn>
> +
> +description:
> +  The binding describes the sound card present in loongson
> +  7axxx/2kxxx platform. The sound card is an ASoC component
> +  which uses Loongson I2S controller to transfer the audio data.
> +
> +properties:
> +  compatible:
> +    const: loongson,ls-audio-card

Reviewing sound stuff is beyond my pay grade, so forgive me if I am off
the rails here, but this (and the "x"s in the description) look a bit
odd. Recently, we've noticed quite a few loongson dt-bindings attempting
to use a single compatible for many different chips.
Usually you have individual compatibles for the various SoCs with this
core, which can fall back to a generic one, rather than just adding a
generic compatible for all devices.
As far as I know, there's several SoCs fitting 2kxxx, and the format
being used elsewhere is "loongson,ls2k1000" etc.

Cheers,
Conor.


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