Messages in this thread |  | | Date | Thu, 5 Apr 2018 16:42:32 +0200 | From | Lukasz Majewski <> | Subject | Re: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q TPC board |
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Hi Fabio,
> Hi Lukasz, > > On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski <lukma@denx.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?
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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