Re: [PATCH v3 0/8] Add SpacemiT K1 USB2.0 controllers support

From: Yixun Lan

Date: Mon Sep 28 2026 - 19:03:35 EST


Hi Greg,

On 19:40 Sun 27 Sep , Junzhong Pan wrote:
> The SpacemiT K1 SoC has two USB2.0 controllers, one has Dual-Role
> support, but the hardware has no internal OTG registers, the other is
> Host only. These controllers are compatible with Chipidea USB2 driver
> with some flags set and reset control support.
>
> This series is based on 7.3-rc1 and has been tested on Banana Pi F3
> development board.
>
> A self-powered USB device/hub is needed to test the host function of the
> dual-role controller on Banana Pi F3, a MINI-PCIe USB2.0 module (a
> cellular module e.g.) is needed to test the host only controller.
>
> ---
> Changes in v3:
> - collect tags
> - merge the two dt-binding commits
> - use local variables when acquiring devm managed clock/reset
> - drop manual clk_disable_unprepare() from the remove path
> - enable related drivers as modules in defconfig
> - Link to v2: https://lore.kernel.org/r/20260908-b4-spacemit-k1-usb2-v2-0-f07342ffa051@xxxxxxxxxxxxxxxxxx
>
> Signed-off-by: Junzhong Pan <panjunzhong@xxxxxxxxxxxxxxxxxx>
>

> ---
> Junzhong Pan (8):
> dt-bindings: usb: ci-hdrc-usb2: add spacemit,k1-usb2 compatible
> usb: chipidea: usb2: use devm_clk_get_optional_enabled()
> usb: chipidea: usb2: add optional reset support
> usb: chipidea: usb2: add SpacemiT K1 support
> riscv: dts: spacemit: add USB2.0 controller nodes for K1
> riscv: dts: spacemit: enable USB2.0 controllers on BananaPi F3
> riscv: dts: spacemit: enable USB2.0 controllers on OrangePi RV2
> riscv: defconfig: enable ChipIdea USB controller support
>
Any chance to queue these patches (1-4) for v7.4 cycle? Hope it not too late,
and then I will handle the rest part, thanks


--
Yixun Lan (dlan)