On Mon, Oct 23, 2017 at 5:48 AM, <[email protected]> wrote: > My PocketBeagle, running a custom 4.9.57 kernel and standard device tree, > creates the following SPI device nodes: > > usbgadget# ls -l /dev/spi* > crw-rw---- 1 root gpio 153, 0 Jan 1 00:00 /dev/spidev1.0 > crw-rw---- 1 root gpio 153, 1 Jan 1 00:00 /dev/spidev1.1 > crw-rw---- 1 root gpio 153, 2 Jan 1 00:00 /dev/spidev2.0 > crw-rw---- 1 root gpio 153, 3 Jan 1 00:00 /dev/spidev2.1 > > Why are there four device nodes? Normally there should be a single device > node for each slave select, and the > PocketBeagle pinout only lists one slave select for each SPI bus controller. > > Which device nodes correspond to which slave selects? (It appears to me > that spidev1.x might correspond to McSPIO0 > and spidev2.x might correspond to McSPI1).
There are 4 listed, because i have not yet removed the two chipselect's that are not available. spi@48030000 at chipselect 0 spi@481a0000 at chipselect 1 patches welcome. Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYg5qr73ujip9L4Tqz7norxr%2B7yYHctmunxHKVr38F%3DCXA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
