[PATCH v2 1/2] dt-bindings: usb: dwc3: spacemit: add support for K3 SoC

Conor Dooley conor at kernel.org
Fri Mar 20 10:30:38 PDT 2026


On Fri, Mar 20, 2026 at 07:15:37AM +0000, Yixun Lan wrote:
> Add compatible string for DWC3 USB controller found in SpacemiT K3 SoC.
> 
> The USB2.0 host controller in K3 SoC actually use DWC3 IP but only support
> USB2.0 functionality, thus in the hardware layer, it has only one USB2 PHY.
> While in K1 SoC, the USB controller has both USB2 and USB3 Combo PHY
> connected, but able to work in a reduced USB2.0 mode which requres only
> one USB2 PHY, leaves the USB3 Combo PHY to PCIe controller. So both K1
> and K3 SoC are able to work in the USB2.0 mode which requires one PHY.

Acked-by: Conor Dooley <conor.dooley at microchip.com>
pw-bot: not-applicable
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