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SubjectRe: [PATCH 12/18] arm64: dts: qcom: msm8994-octagon: Configure Lattice iCE40 FPGA
On Sun 2021-01-31 02:38:43, Konrad Dybcio wrote:
> From: Gustave Monce <gustave.monce@outlook.com>
>
> 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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