i.MX8MP usb status

Marek Vasut marex at denx.de
Thu May 5 19:38:19 CEST 2022


On 5/5/22 03:54, Peng Fan (OSS) wrote:
> 
> 
> On 2022/5/4 20:53, Marek Vasut wrote:
>> On 5/4/22 14:26, Peng Fan wrote:
>>> Hi Marek,
>>
>> Hi,
>>
>>> Since you did some work on i.MX8MP USB, may I know the status?
>>> Does host/device mode both supported in upstream?
>>
>> I only have HOST option available, so for me this is only HOST.
>>
>> I did not test GADGET or OTG .
>>
>>> Any plan on PTN5110 support?
>>
>> I currently don't have hardware with USB-C , so not right now.
>>
>> Do you plan to work on GADGET/OTG/USB-C ?
> 
> Typec interface exists in almost all i.MX8M EVK boards. So
> I am thinking to enable gadget together with PTN5110 for uuu, but
> seems typec requires quite lot work if porting linux code or we
> reuse NXP U-Boot downstream ptn5110 code.

What's the problem with porting mainline Linux code ? (that would be the 
preferred approach, because then we could synchronize fixes from Linux)

If all you care about is mode switching between host/gadget, then a 
simpler driver might be preferred though.


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