SPI support in GPIO
#1
Hi!

I recently bought a RockPro64 with 4GB and would like to control a 1.8 LCD screen with SPI interface using the pins on the GPIO header.

The system is running ayufan's Ubuntu minimal. 

I had success in simple GPIO switching by using the RP64-GPIO library:
https://forum.frank-mankel.org/topic/292...-rp64-gpio

However, I was not able to access SPI. I could not find any help or documentation on the internet, not even on the Wiki.

Anyone had success with this?
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#2
SPI is exposed by default on my builds, as you use also SPI flash.

It is very likely that there's a driver for your LCD screen, but I'm unsure if this is compiled in.
Homepage: https://ayufan.eu

Releases:
Rock/Pro 64/Pinebook Pro: LinuxChromium OS
So/Pine A64/Pinebook: LinuxAndroid 6.0Android 7.1

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