Re: [PATCH 12/18] arm64: dts: qcom: msm8994-octagon: Configure Lattice iCE40 FPGA
From: Pavel Machek <hidden>
Date: 2021-02-18 16:32:08
Also in:
linux-arm-msm, lkml, phone-devel
On Sun 2021-01-31 02:38:43, Konrad Dybcio wrote:
From: Gustave Monce <redacted> 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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