linux-kernel - Re: [PATCH v2 2/2] ASoC: dt-bindings: imx-akcodec: Add binding doc for akcodec machine driver

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Date:   Mon, 17 May 2021 18:39:41 +0800
From:   Shengjiu Wang <shengjiu.wang@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Shengjiu Wang <shengjiu.wang@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, alsa-devel@...a-project.org,
        Timur Tabi <timur@...nel.org>, Xiubo Li <Xiubo.Lee@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Mark Brown <broonie@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] ASoC: dt-bindings: imx-akcodec: Add binding doc
 for akcodec machine driver

On Thu, May 13, 2021 at 4:07 AM Rob Herring <robh@...nel.org> wrote:
>
> On Mon, May 10, 2021 at 03:07:21PM +0800, Shengjiu Wang wrote:
> > Imx-akcodec is a new added machine driver for supporting
> > ak4458/ak5558/ak5552/ak4497 codec on i.MX platforms.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> > ---
> > changes in v2:
> > - update doc accoring to Rob's comment, use the common porperties.
> >
> >  .../bindings/sound/imx-audio-akcodec.yaml     | 107 ++++++++++++++++++
> >  1 file changed, 107 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml
> > new file mode 100644
> > index 000000000000..0812c4779b59
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml
> > @@ -0,0 +1,107 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/sound/imx-audio-akcodec.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: NXP i.MX audio complex with AK4458/AK5558/AK5552/AK4497 codec
> > +
> > +maintainers:
> > +  - Shengjiu Wang <shengjiu.wang@....com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - fsl,imx8mq-audio-akcodec
> > +      - fsl,imx-audio-akcodec
>
> We gone from individual codecs to a family of codecs. Is there something
> specific for the machine driver about this set of codecs? Why can't it
> be *any* codec?

Yes, there is something specific. but let me do further updates for this in the
next version, then the document name needs to be changed to
"imx-audio-card".

best regards
wang shengjiu