[PATCH v5 0/2] riscv: sophgo: add USB phy support for CV18XX series

[Inochi Amaoto]

Add USB PHY support for CV18XX/SG200X series

Changed from v4:
- https://lore.kernel.org/all/20250611081804.1196397-1-inochiama@gmail.com
1. patch 1: apply Conor's tag
2. patch 2: remove dr_mode debugfs entry.
3. patch 2: simplify the cv1800_usb_phy_set_clock function

Changed from v3:
- https://lore.kernel.org/all/IA1PR20MB4953C1876484E149AA390DD5BB1D2@IA1PR20MB4953.namprd20.prod.outlook.com/
1. patch 1: remove vbus-gpio, switch-gpio and dr_mode properties.
2. patch 2: remove all logic related to the bindings change.
3. remove the syscon header file.

Changed from v2:
1. add item description for switch gpios.

Changed from v1:
1. remove dr_mode property and use default mode instead.
2. improve the description of `vbus_det-gpios` and `sophgo,switch-gpios`

Inochi Amaoto (2):
  dt-bindings: phy: Add Sophgo CV1800 USB phy
  phy: sophgo: Add USB 2.0 PHY driver for Sophgo CV18XX/SG200X

 .../bindings/phy/sophgo,cv1800b-usb2-phy.yaml |  54 ++++++
 drivers/phy/Kconfig                           |   1 +
 drivers/phy/Makefile                          |   1 +
 drivers/phy/sophgo/Kconfig                    |  19 ++
 drivers/phy/sophgo/Makefile                   |   2 +
 drivers/phy/sophgo/phy-cv1800-usb2.c          | 170 ++++++++++++++++++
 6 files changed, 247 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/sophgo,cv1800b-usb2-phy.yaml
 create mode 100644 drivers/phy/sophgo/Kconfig
 create mode 100644 drivers/phy/sophgo/Makefile
 create mode 100644 drivers/phy/sophgo/phy-cv1800-usb2.c

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2.50.0