Re: parent/child hierarchy for regulator

From: Stefan Wahren
Date: Thu Mar 05 2015 - 07:19:51 EST

Hi Peter,

Am 05.03.2015 um 11:35 schrieb Peter Chen:
> Hi lists,
> Any good ways at code/dts to show parent/child hierarchy for regulator?
> The related regulators at my platforms like below:
> PMIC (SWB 5v) --> Switch Chip (GPIO Regulator) --> USB VBUS
> PMIC has one 5V regulator (eg, swbst at pfuse), and it is the input
> for USB power switch chip, and there are two gpios at this switch
> chip to control if 5V is output or not, we register these two gpios as
> fixed regulators, currently, if regulator swbst is disabled, the
> gpio regulator has no way to know, and cause the vbus voltage is wrong.
> Thanks in advance.

i don't have an answer to your question, but do you think of i.MX28

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