* Re: [PATCH v2 1/2] dt-bindings: usb: dwc3: spacemit: add support for K3 SoC
[not found] ` <20260320-02-k3-usb20-support-v2-1-308ea0e44038@kernel.org>
@ 2026-03-20 17:30 ` Conor Dooley
0 siblings, 0 replies; only message in thread
From: Conor Dooley @ 2026-03-20 17:30 UTC (permalink / raw)
To: Yixun Lan
Cc: Greg Kroah-Hartman, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Ze Huang, Thinh Nguyen, Emil Renner Berthing,
Junzhong Pan, Inochi Amaoto, spacemit, linux-kernel, linux-usb,
devicetree, linux-riscv
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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@microchip.com>
pw-bot: not-applicable
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[not found] <20260320-02-k3-usb20-support-v2-0-308ea0e44038@kernel.org>
[not found] ` <20260320-02-k3-usb20-support-v2-1-308ea0e44038@kernel.org>
2026-03-20 17:30 ` [PATCH v2 1/2] dt-bindings: usb: dwc3: spacemit: add support for K3 SoC Conor Dooley
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