* dwc3 over pcie or with more than 1 udc
@ 2021-09-18 14:57 Shantur Rathore
2021-09-20 11:45 ` Felipe Balbi
0 siblings, 1 reply; 2+ messages in thread
From: Shantur Rathore @ 2021-09-18 14:57 UTC (permalink / raw)
To: linux-usb
Hi all,
I am trying to find a dwc3 compatible PCIe USB controller or a dwc3
compatible device with more than one udc.
Is there any such device supported in kernel?
If yes, please let me know which one.
Thanks in advance for your help.
Kind regards,
Shantur
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: dwc3 over pcie or with more than 1 udc
2021-09-18 14:57 dwc3 over pcie or with more than 1 udc Shantur Rathore
@ 2021-09-20 11:45 ` Felipe Balbi
0 siblings, 0 replies; 2+ messages in thread
From: Felipe Balbi @ 2021-09-20 11:45 UTC (permalink / raw)
To: Shantur Rathore; +Cc: linux-usb
Hi,
Shantur Rathore <i@shantur.com> writes:
> I am trying to find a dwc3 compatible PCIe USB controller or a dwc3
> compatible device with more than one udc.
>
> Is there any such device supported in kernel?
> If yes, please let me know which one.
you can have as many dwc3 instances as you want. AM437x has two dwc3
instances, so do several other TI and Qcom devices, albeit not on
PCIe. Some recent Intel platforms have more than dwc3 in the die over
(fake?) PCIe.
In any case, there are no limitations (apart from memory and available
PCIe ports) to having more than one dwc3 over PCIe. If you can find a
discrete device like that, it's difficult to say.
--
balbi
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-09-18 14:57 dwc3 over pcie or with more than 1 udc Shantur Rathore
2021-09-20 11:45 ` Felipe Balbi
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