Re: [PATCH] USB: otg: twl4030: fix phy initialization(v1)

[Felipe Balbi]

On Wed, Sep 08, 2010 at 08:49:08PM -0500, Ming Lei wrote:
> 2010/9/8 venki kaps <venkiece2005@xxxxxxxxx>:
>
> >  To resolve the above issue, we have made "PHY power on" in battery
> > adc on function
> >  and "PHY power down" in battery adc off function.
>
> Good news, the temperature is bad value from battery adc if otg phy is power
> down. Maybe you only need to power on otg phy before reading battery adc, then
> power down otg phy after the reading if no usb calbe is connected with musb
> for decreasing power consumption. (I am not familiar with battery adc, just
> for your refrerence)

I think you only need the usb3v1 regulator. And it can even be in sleep
mode, it doens't have to be on. What I would suggest is that usb3v1
never to be turned off, only put in sleep mode.

--
balbi
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