On 10/31/20 4:14 PM, Patrick Menschel wrote:
[...]

> The waveshare overlay is strange in one point. It uses Pin 26 (instead
> of 18) for Chip selection but that is no chip select pin. This can work
> if the pin is output and luckily pulls the CE line in the right direction.
> 
> https://gist.github.com/pdp7/784d0ba8b9648d20ab055747ec945225#file-2xmcp2517fd-overlay-dts-L40
> 
> https://pinout.xyz/pinout/pin37_gpio26#

According to the schematics:

    https://www.waveshare.com/w/upload/e/e2/2-CH-CAN-FD-HAT-Schematic.pdf

the waveshare uses per default the CS0 and CS1 of SPI0. But you can configure
via JPAD3 it to P25, which is GPIO26.

Marc

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