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TUSB422: LINUX driver that can enable PAL

Part Number: TUSB422

Hello team,

I have a question from a customer about the TUSB422 LINUX driver.

Customer environment: Yocto Linux 4.19.35

They previously got a LINUX driver for TUSB422, but they couldn't compile it with PAL enabled.
Is there a driver that fits or is likely to fit in the above environment?

Best Regards,

Ryotaro Fukui

  • HI Ryotaro-san,

    We do not provide in-depth support for TUSB422 source code. Customer will need to implement the PAL functions your platform supports or requires. Otherwise, you can leave them empty. Source and disable VBUS function at minimum. PAL is not provided in the source code package. 

    Alternatively, set "CONFIG_TUSB422_PAL=n" and modify tusb422_linux.c to port tusb422_set_vbus() and tusb422_clr_vbus() called by tusb422_common.c to your platform.