[PATCH v1 0/4] Add CIX Sky1 USB3/USBSSP support

Hongliang Yang hongliang.yang at cixtech.com
Mon Aug 31 01:23:04 PDT 2026


Add USB3 PHY driver, Cadence USBSSP glue driver, and USB4/USB5
device tree nodes for the CIX Sky1 SoC.

This series adds support for the USB4 and USB5 controllers (based on
Cadence USBSSP DRD) found on the CIX Sky1 SoC, along with their
associated multi-port USB3 PHY.

Hongliang Yang (4):
  dt-bindings: Add CIX Sky1 USB bindings
  phy: cix: Add CIX Sky1 USB3 PHY driver
  usb: cdns3: Add CIX Sky1 glue driver
  arm64: dts: cix: Add USB4/USB5 nodes for Sky1

 .../bindings/phy/cix,sky1-usb3-phy.yaml       | 109 +++
 .../bindings/usb/cix,sky1-usbssp.yaml         | 153 ++++
 MAINTAINERS                                   |   3 +
 arch/arm64/boot/dts/cix/sky1-orion-o6.dts     |  36 +
 arch/arm64/boot/dts/cix/sky1.dtsi             | 133 ++++
 drivers/phy/Kconfig                           |   1 +
 drivers/phy/Makefile                          |   1 +
 drivers/phy/cix/Kconfig                       |  20 +
 drivers/phy/cix/Makefile                      |   6 +
 drivers/phy/cix/phy-cix-usb3.c                | 410 +++++++++++
 drivers/phy/cix/phy-cix-usbdp.h               | 310 ++++++++
 drivers/usb/cdns3/Kconfig                     |  13 +
 drivers/usb/cdns3/Makefile                    |   1 +
 drivers/usb/cdns3/cdnsp-sky1.c                | 682 ++++++++++++++++++
 drivers/usb/cdns3/cdnsp-sky1.h                | 127 ++++
 15 files changed, 2005 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml
 create mode 100644 Documentation/devicetree/bindings/usb/cix,sky1-usbssp.yaml
 create mode 100644 drivers/phy/cix/Kconfig
 create mode 100644 drivers/phy/cix/Makefile
 create mode 100644 drivers/phy/cix/phy-cix-usb3.c
 create mode 100644 drivers/phy/cix/phy-cix-usbdp.h
 create mode 100644 drivers/usb/cdns3/cdnsp-sky1.c
 create mode 100644 drivers/usb/cdns3/cdnsp-sky1.h


base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
-- 
2.54.0




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