I have been looking into adding a 5th wire to the SPI bus. This is essentially a slave ready line. I know that you have to edit the device tree but do I have to edit each SPI dts file or can I just add a new file to the raspberry pi device tree?
I have been looking into adding a 5th wire to the SPI bus. This is essentially a slave ready line. I know that you have to edit the device tree but do I have to edit each SPI dts file or can I just add a new file to the raspberry pi device tree?