Re: [PATCH 0/3] ARM: dts: bcm2711-rpi-cm4-io: Enable xHCI host

[Justin Chen <justin.chen@broadcom.com>]

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On 11/25/23 6:56 PM, Stefan Wahren wrote:
> 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 BCM2711 on the Compute Module provides the built-in
> xHCI.
> 

Does this work? I maintain this built-in xHCI controller internally. I 
wasn't aware the Compute Module uses this block. This block is held in 
reset and needs a bit toggled to get things going. Florian, just to 
confirm, this is our "brcm,xhci-brcm-v2" block correct?

Justin

> Stefan Wahren (3):
>    dt-bindings: usb: xhci: Add optional power-domains
>    ARM: dts: bcm2711: Add generic xHCI
>    ARM: dts: bcm2711-rpi-cm4-io: Enable xHCI host
> 
>   Documentation/devicetree/bindings/usb/generic-xhci.yaml | 3 +++
>   arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts       | 9 ++++++++-
>   arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi             | 5 +++++
>   arch/arm/boot/dts/broadcom/bcm2711.dtsi                 | 9 +++++++++
>   4 files changed, 25 insertions(+), 1 deletion(-)
> 
> --
> 2.34.1
> 

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