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

[Junzhong Pan]

On 10/6/2026 11:10 PM, Krzysztof Kozlowski wrote:
> On 29/09/2026 01:03, Yixun Lan wrote:
>> 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@linux.spacemit.com
>>>
>>> Signed-off-by: Junzhong Pan <panjunzhong at linux.spacemit.com>
>>>
>>
>>> ---
>>> 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
> 
> Can you drop the fake test tags while at it?
> 

I have dropped those and sent v4.
Thanks!

Link to v4: https://lore.kernel.org/linux-usb/20261009-b4-spacemit-k1-usb2-v4-0-2d98e5324d9a@linux.spacemit.com/

> Best regards,
> Krzysztof
> 
>