linux-kernel - Re: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q TPC board

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Message-ID: <CAOMZO5DHtvX64oseDFsLGiYmQPcb3thUrGeLxX8dgp69vUNZMg@mail.gmail.com>
Date:   Thu, 5 Apr 2018 11:16:44 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Lukasz Majewski <lukma@...x.de>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Russell King <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q
 TPC board

Hi Lukasz,

On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski <lukma@...x.de> wrote:

> +       reg_audio: regulator-audio {
> +               compatible = "regulator-fixed";
> +               regulator-name = "sgtl5000-supply";
> +               gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
> +               enable-active-high;
> +               regulator-always-on;
> +       };

sgtl5000 has 3 supplies: VDDD, VDDIO, VDDA.

Which supply does this reg_audio supply to the chip?

Can't you use any of the existing sgtl5000 regulator bindings to
describe this supply?