Hi all,
I am new to arm embedded linux.
It it possible to add a 2nd (or more) SPI chip select lines to one SPI interface?
The Ixora carrier board offers one SPI interface on the X27 connector with one chip select line (SPI1_CS).
since I want to connect at least two SPI slave devices I would like to have more chip select lines.
I know that I have to modify the device tree files in order to enable more chip select lines, but I do not know how.
Has somebody an example file for that purpose?
Is every GPIO (of the X27 connector) able to be used SPI chip select line or do I have to consider some kind of restrictions?
Thanks in advance.
Dieter