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

[Junzhong Pan]

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

 .../devicetree/bindings/usb/ci-hdrc-usb2.yaml      | 15 ++++++++
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts    | 16 +++++++++
 arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts   | 28 +++++++++++++++
 arch/riscv/boot/dts/spacemit/k1.dtsi               | 40 ++++++++++++++++++++++
 arch/riscv/configs/defconfig                       |  4 +++
 drivers/usb/chipidea/ci_hdrc_usb2.c                | 35 +++++++++++--------
 6 files changed, 123 insertions(+), 15 deletions(-)
---
base-commit: cee9395acd8043be0644b25c34bfa86623f2b935
change-id: 20260812-b4-spacemit-k1-usb2-97adfc283d58

Best regards,
-- 
Junzhong Pan <panjunzhong at linux.spacemit.com>