[PATCH 0/6] Add SpacemiT K1 USB2.0 controllers support

[Junzhong Pan]

On 8/21/2026 10:00 AM, Ze Huang wrote:
> On Wed Aug 12, 2026 at 5:26 PM CST, 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 7.2-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.
>>
>> Signed-off-by: Junzhong Pan <panjunzhong at linux.spacemit.com>
> 
> Tested on OrangePi RV2.
> 
> To use USB2.0 Type-A port as host on this board, usb2_0 needs:
>   - dr_mode = "host"
>   - a vbus-supply regulator driving gpio126
> 
> Tested-by: Ze Huang <huang.ze at linux.dev>
> 

Thanks, then I'll add rv2 dts node in the next version. Can you
test again later ?

Thanks

>> ---
>> Junzhong Pan (6):
>>       dt-bindings: usb: ci-hdrc-usb2: add spacemit,k1-usb2 compatible
>>       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: defconfig: enable ChipIdea USB controller support
>>
>>  .../devicetree/bindings/usb/ci-hdrc-usb2.yaml      |  1 +
>>  arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts    | 16 +++++++++
>>  arch/riscv/boot/dts/spacemit/k1.dtsi               | 40 ++++++++++++++++++++++
>>  arch/riscv/configs/defconfig                       |  4 +++
>>  drivers/usb/chipidea/ci_hdrc_usb2.c                | 16 +++++++++
>>  5 files changed, 77 insertions(+)
>> ---
>> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
>> change-id: 20260812-b4-spacemit-k1-usb2-97adfc283d58
>>
>> Best regards,
> 
> 
> 
Best regards