Hi Fabio,
> Hi Lukasz,
>
> On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski <lukma@xxxxxxx> 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?
It supplies none of the above. This regulator is needed to enable
amplifier output placed after sgtl5000 device.
>
> Can't you use any of the existing sgtl5000 regulator bindings to
> describe this supply?
As stated before - this supply enables the output of the amplifier.
Best regards,
Lukasz Majewski
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