linux-kernel - Re: [PATCH v4 2/5] ARM: dts: imx6q: Add Engicam i.CoreM6 Quad/Dual initial support

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Message-ID: <CAOMZO5BWgqxfbOepJZwqdZceSWKBnSfd38Ab2TV-LN0oDttc-Q@mail.gmail.com>
Date:   Mon, 26 Sep 2016 10:47:06 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Matteo Lisi <matteo.lisi@...icam.com>
Cc:     Michael Trimarchi <michael@...rulasolutions.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Jagan Teki <jagannadh.teki@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH v4 2/5] ARM: dts: imx6q: Add Engicam i.CoreM6 Quad/Dual
 initial support

Hi Matteo,

On Mon, Sep 26, 2016 at 10:44 AM, Matteo Lisi <matteo.lisi@...icam.com> wrote:
> Hi Fabio,
>
> Our SOM doesn't use external PMIC.
>
> We powered all devices with a fix voltage regulators that cannot be drive
> directly from SoC so
> any external power rail can be driven by drivers.

Sure, this is fine.

Why don't you simply do like this?

       reg_3p3v: regulator-3p3v {
               compatible = "regulator-fixed";
               regulator-name = "3P3V";
               regulator-min-microvolt = <3300000>;
               regulator-max-microvolt = <3300000>;
       };