linux-kernel - Re: [PATCH v2 4/7] ASoC: dt-bindings: Add Google Chameleon v3 audio codec

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Message-ID: <CAF9_jYSXxmnm80Yq4gD6U5ygHvBTDagR_HM4LcHQT1vq=d7tVw@mail.gmail.com>
Date:   Tue, 9 May 2023 12:39:31 +0200
From:   Paweł Anikiel <pan@...ihalf.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, dinguyen@...nel.org,
        lars@...afoo.de, nuno.sa@...log.com, upstream@...ihalf.com,
        amstan@...omium.org
Subject: Re: [PATCH v2 4/7] ASoC: dt-bindings: Add Google Chameleon v3 audio codec

On Tue, May 9, 2023 at 11:54 AM Mark Brown <broonie@...nel.org> wrote:
>
> On Tue, May 09, 2023 at 08:18:15AM +0200, Krzysztof Kozlowski wrote:
> > On 08/05/2023 13:30, Paweł Anikiel wrote:
>
> > > +  "#sound-dai-cells":
> > > +    const: 0
>
> > No supplies? How do you get power?
>
> My understanding is that this is deployed to a FPGA so the power would
> be going into the FPGA.  In general a memory mapped I2S controller like
> this will be part of a larger SoC of some kind.

Yes, both the codec and i2s controller are implemented in the FPGA
part of the Arria 10 SoC.

Regards,
Paweł