Subject: [PATCH] phy: exynos5-usbdrd: Add facility to toggle vbus gpio on/off

From: [email-masked] (Tomasz Figa)
Date: Wed, 09 Apr 2014 14:38:06 +0200

Hi,

On 09.04.2014 14:24, Vivek Gautam wrote:
> Hi Sylwester,
>
>
> On Wed, Apr 9, 2014 at 5:41 PM, Sylwester Nawrocki
> <[email-masked]> wrote:
>> Hi Vivek,
>>
>> On 09/04/14 13:54, Vivek Gautam wrote:
>>> Adding support to enable/disable VBUS hooked to a gpio
>>> to enable vbus supply on the port.
>>
>> Does the GPIO control a fixed voltage regulator ? If so, shouldn't
>> it be modelled by the regulator API instead ?
>
> No, this GPIO controls a 'current limiting power distribution switch',
> which gives the output vbus to usb controller.
> Should i model this as a fixed regulator ?

If I understand this correctly, this is just a switch that lets you 
control whether vbus is provided to the USB connector or not. If so, 
this doesn't look like an Exynos-specific thing at all and should rather 
be modeled on higher level.

Best regards,
Tomasz