On Sun 2021-01-31 02:38:43, Konrad Dybcio wrote: > From: Gustave Monce <[email protected]> > > Octagon devices have a Lattice iCE40 FPGA connected over SPI. > Configure it.
> + status = "okay";
> +
> + /*
> + * This device is a Lattice UC120 USB-C PD PHY.
> + * It is actually a Lattice iCE40 FPGA pre-programmed by
> + * the device firmware with a specific bitstream
> + * enabling USB Type C PHY functionality.
> + * Communication is done via a proprietary protocol over SPI.
> + *
Wow. That's interesting hardware design. Someone should put RISC-V CPU
in there!
Best regards,
Pavel
--
http://www.livejournal.com/~pavelmachek
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