[PATCH V4 0/3] ARM: dts: bcm2711: Add BCM2711 xHCI support

[Stefan Wahren]

Hi Cyril,

Am 12.12.23 um 20:09 schrieb Cyril Brulebois:
> Stefan Wahren <wahrenst at gmx.net> (2023-12-05):
>> In contrast to the Raspberry Pi 4, the Compute Module 4 or the IO board
>> does not have a VL805 USB 3.0 host controller, which is connected via
>> PCIe. Instead, the Compute Module provides the built-in
>> xHCI of the BCM2711 SoC.
>>
>> Changes in V4:
>> - use "brcm,xhci-brcm-v2" as fallback compatible as suggested by
>>    Conor & Florian
>>
>> Changes in V3:
>> - introduce a new compatible for BCM2711 in order to make the
>>    power domain dependency SoC specific, which also results in
>>    a driver change
> This is still:
>
> Tested-by: Cyril Brulebois <cyril at debamax.com>
thank you very much for your efforts. The series has been already
applied by Greg.

https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/log/?h=usb-next
>
>
> Again, I'm also applying Jim Quinlan's PCIe patch series v8, to be able
> to fully test what happens with USB devices, onboard and behind PCIe:
>    https://lore.kernel.org/all/20231126201946.ffm3bhg5du2xgztv@mraw.org/
>
> With the following on a CM4 IO Board, with a Samsung flash drive and a
> USB keyboard connected to onboard USB ports:
>   - CM4 Lite Rev 1.0
>   - CM4 8/32 Rev 1.0
>   - CM4 4/32 Rev 1.1
>
> and using one of the three PCIe-to-USB boards referenced previously,
> connecting another Samsung flash drive on one of its USB ports.
>
> Conclusion: I can see and use onboard USB devices alongside behind-PCIe
> USB devices, either with or without adding otg_mode=1 to config.txt.
>
> On a CM4-based product that uses both onboard USB ports and PCIe-to-USB
> ports, all USB components still work fine (3 RF adapters, 1 modem), with
> or without otg_mode=1.
>
> (All of this is still with a Debian 12 arm64 user space.)
>
>
> Cheers,
>
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