[PATCH 0/5] Fix onboard USB hub instability on RK3399 Puma SoM

[Lukasz Czechowski]

The RK3399 Puma SoM contains the internal Cypress CYUSB3304 USB
hub, that shows instability due to improper reset pin configuration.
Currently reset pin is modeled as a vcc5v0_host regulator, that
might result in too short reset pulse duration.
Starting with the v6.6, the Onboard USB hub driver (later renamed
to Onboard USB dev) contains support for Cypress HX3 hub family.
It can be now used to correctly model the RK3399 Puma SoM hardware.

The first commits in this series fix the onboard USB dev driver to
support all HX3 hub variants, including the CYUSB3304 found in
the RK3399 Puma SoM. 
This allows to introduce fix for internal USB hub instability on
RK3399 Puma, by replacing the vcc5v0_host regulator with
cy3304_reset, used inside the hub node.
Please be aware that the patch that fixes USB hub instability in
arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi can me merged only
after updating the Onboard USB dev driver, otherwise the hub
will not work. 

Two last commits in the series disable unrouted USB controllers
and PHYs on RK3399 Puma SOM and Haikou carrier board, with no
intended functional changes.

Signed-off-by: Lukasz Czechowski <lukasz.czechowski@xxxxxxxxxxxxx>
---
Lukasz Czechowski (3):
      usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs
      dt-bindings: usb: cypress,hx3: Add support for all variants
      arm64: dts: rockchip: fix internal USB hub instability on RK3399 Puma

Quentin Schulz (2):
      arm64: dts: rockchip: disable unrouted USB controllers and PHY on RK3399 Puma
      arm64: dts: rockchip: disable unrouted USB controllers and PHY on RK3399 Puma with Haikou

 .../devicetree/bindings/usb/cypress,hx3.yaml       |  6 +++
 .../arm64/boot/dts/rockchip/rk3399-puma-haikou.dts |  8 ----
 arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi      | 43 ++++++++++------------
 drivers/usb/misc/onboard_usb_dev.c                 | 10 ++++-
 drivers/usb/misc/onboard_usb_dev.h                 |  6 +++
 5 files changed, 39 insertions(+), 34 deletions(-)
---
base-commit: 1e26c5e28ca5821a824e90dd359556f5e9e7b89f
change-id: 20250326-onboard_usb_dev-a7c063a8a515

Best regards,
-- 
Lukasz Czechowski <lukasz.czechowski@xxxxxxxxxxxxx>