[PATCH] usb: xhci-dwc3: Add "apple,t8103-dwc3" compatible

Marek Vasut marek.vasut at mailbox.org
Sat Jan 10 03:06:53 CET 2026


On 1/9/26 8:41 PM, Janne Grunau wrote:
> The Linux support for dwc3 on Apple silicon SoCs switched to using a
> apple specific glue driver [1] that uses it own compatible string. The
> glue driver handles platform specific requirements on the interaction
> between dwc3 and the USB2/USB3 PHY and reset-controller for USB role
> switches and plug events.
> To keep USB working as before when the nodes still carried "snps,dwc3"
> as compatible add "apple,t8103-dwc3" to the of match table. Eventually
> it is probably advisable to add a dwc3-apple glue driver and write code
> for the currently empty Apple Type-C PHY driver in phy-apple-atc.c.
> 
> Link: https://lore.kernel.org/asahi/20251015-b4-aplpe-dwc3-v2-0-cbd65a2d511a@kernel.org/ [1]
> Signed-off-by: Janne Grunau <j at jannau.net>
> ---
>   drivers/usb/host/xhci-dwc3.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c
> index e3e0ceff43e6abdb8643f265819eff28c2c802f4..ba42c3247654b7d9272c42ea9c4cf0bd9082915e 100644
> --- a/drivers/usb/host/xhci-dwc3.c
> +++ b/drivers/usb/host/xhci-dwc3.c
> @@ -238,6 +238,7 @@ static int xhci_dwc3_remove(struct udevice *dev)
>   
>   static const struct udevice_id xhci_dwc3_ids[] = {
>   	{ .compatible = "snps,dwc3" },
> +	{ .compatible = "apple,t8103-dwc3" },


Please keep the list sorted.

With that fixed:

Reviewed-by: Marek Vasut <marek.vasut at mailbox.org>

Thank you !


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