More SPI Interface

Hello,

i need for my project 3 independent SPI Interfaces.
I’m already use 1 SPI with following tutorial (https://elinux.org/Jetson/TX2_SPI).

Where can I find the documentation for the device tree, which describe the modifications to enable all SPI Interfaces.

Thanks…

@philipp.goetz
Sorry I don’t think there’s such document. However you can download the kernel source and check the kernel document. Also google is a good for start.

Where can I find the documentation for the device tree, which describe the modifications to enable all SPI Interfaces.

There isn’t one, unfortunately :(

I’ve never had to enable all the SPI interfaces, it will just a matter of finding the numbers corresponding to the other SPI devices e.g. spi@3240000 and updating the device tree accordingly to reflect that. As I mentioned I’ve never used all 3 SPI (as it would require additional hardware to access them on the development board), but I don’t believe it would be that trivial. As ShaneCCC said, it will be a case of searching the kernel sources, in particular the hardware DTS for device tree information on the other SPI registers.