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SubjectRe: [PATCH 0/3] Add picoPHY usb phy driver found on stih407 family SoC's


On Monday 08 September 2014 09:23 PM, Peter Griffin wrote:
> Hi Kishon,
>
>> On Wednesday 03 September 2014 03:57 PM, Peter Griffin wrote:
>>> This series adds support for the picoPHY usb phy which is used by the usb2
>>> and usb3 host controllers when controlling usb2/1.1 devices. It is found on
>>> stih407 family SoC's from the consumer electronics devision of STMicroelectronics.
>>
>> So miphy28lp is the PHY controller for USB3 device controller and picoPHY is
>> the PHY controller for USB3 host controller?
>
> No, miphy28lp is the usb3 phy and picoPHY is the usb2 phy.
>
> With a usb2 host controller only picoPHY is used. With the usb3 host controller both usb2 and usb3 phys
> are used depending on what type of device is plugged in.
>
> Hope that clarifies things,

indeed. thanks for the explanation :-)

Cheers
Kishon


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