On Sun 2021-01-31 02:38:43, Konrad Dybcio wrote: > From: Gustave Monce <gustave.monce@xxxxxxxxxxx> > > 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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