F&S Support Forum

Thanks!

Maybe this fixes your uhubctl problem?

https://github.com/mvp/uhubctl…fter-few-seconds-on-linux

Your F&S Support Team

Hello,

could you test the following command?

(Code, 1 line)


i think echo 'usb1' > /sys/bus/usb/drivers/usb/unbind does not unload the whole usb stack. there is still a hub device left, which seems to claim the vbus control.

Your F&S Support Team

I tried your device-tree with the regulator with the following result:

When unbinding the driver:

• USB-memory-stick connected: When unbinding the driver via echo 'usb1' > /sys/bus/usb/drivers/usb/unbind the stick enters "suspend mode" but vbus is not

…

New FS-BUS Driver for Windows 11 IoT — Same Functionality as Legacy WinCE Version

We are pleased to announce the availability of a new FSBUS driver developed for Windows 10/11 IoT. This driver provides the same functionality as our original FSBUS driver…

From the same as the Kernel patch level of the release:
v5.15.148

https://git.kernel.org/pub/scm…nux.git/tree/?h=v5.15.148

Your F&S Support Team

Ok, I understand. From which (vanilla i guess?) kernel version you did the backport contained in patch 0001-Fix-fsimx6-etnaviv-gpu-driver.patch?

Hello,

the efus-STINF also uses I2C_C for the SGTL5000 and EDID, so it should be fine.

Your F&S Support Team

Hello,

did you test the regulator implementation?

using the regulator gpio implementation would not mean direct control. The driver would control the USB power with a linux regulator device and not the USB_OTG_PWR pin.
The USB_OTG_PWR pin is mainly used for…

(Quote)

Yes, I know. Trying GPIO was just a test out of sheere desperation. My intention is to let the USB hub control the power line.

In the meantime I tried the command uhubctl -a off -p 1
It switches the USB power via USBH_A_PWR really off - and "on" by…