linux-kernel - Re: [PATCH 3/5] ASoC: es7134: update DT binding with new compatible and supplies

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Message-ID: <1530526281.2900.140.camel@baylibre.com>
Date:   Mon, 02 Jul 2018 12:11:21 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] ASoC: es7134: update DT binding with new compatible
 and supplies

On Mon, 2018-07-02 at 11:04 +0100, Mark Brown wrote:
> On Fri, Jun 29, 2018 at 05:09:22PM +0200, Jerome Brunet wrote:
> > Update the documentation to add support for the es7154 and
> > optional power supplies phandles.
> > +Optional properties:
> > +- VDD-supply: regulator phandle for the VDD supply
> > +- AVDD-supply: regulator phandle for the AVDD supply
> 
> Unless the device is able to work with a power supply missing (which
> doesn't seem entirely credible) supply properties should never be
> optional.

Sure the device cannot work without its physical supplies.
I'll resubmit