Hi, I am trying to enable spi1 in my beaglebone green wireless board and already tried the above mentioned options. But spidev1.* device is not getting created in /dev. Can anyone help me in this?
Thanks in advances. Karry On Tuesday, February 6, 2018 at 5:16:16 AM UTC+5:30, [email protected] wrote: > > My initial thought was the capacitors by the UART Groove connector as > here: https://groups.google.com/d/msg/beagleboard/BH-PUmjv6O4/_sYj5Av1BgAJ > , but upon inspection of BBG schematics ( > https://raw.githubusercontent.com/SeeedDocument/BeagleBone_Green/master/resources/BEAGLEBONE_GREEN_V1.pdf > > page 10) there should be no such capacitors. However it might still be > worth verifying. > > This might also be a kernel thing - it seems the maintainers are not > really testing specific hardware in kernel versions closer to mainline, > only whether it generally runs. I've never tested 4.14.x but I had serious > issues even with 4.9.x and I've found 4.4.x to work the best. Unless your > board is somehow exposed to the internet, I'd stick with the older but > proven version. > > With my solution I didn't use config-pin utility and relied on custom > device tree instead. It might be required to not only enable the pins but > also setup the bus itself. Note the big "&spi0 {}" block: > https://github.com/GroupOfRobots/RobotConfig/blob/master/DevTree/am335x-bonegreen-irys.dtsi > > W dniu poniedziałek, 5 lutego 2018 22:12:30 UTC+1 użytkownik > [email protected] napisał: >> >> Hi, >> >> I'm currently facing problems with getting the SPI0 to work on my >> beaglebone green. >> I'm running debian 9.2 and kernel version 4.14.x >> The board is using uBoot and so i use config-pin to configure the pins: >> > config-pin p9.17 spi >> > config-pin p9.18 spi >> > config-pin p9.21 spi >> > config-pin p9.22 spi >> >> This gives no errors. But when i try to use the spidev1.0 or spidev1.1 i >> see no activity on the pins (i'm using a logic analyser to check) >> >> I really need to get the SPI0 to work, I'm even willing to not use >> the uboot if that solves the problem, but i have a feeling that that makes >> it even more complex. >> >> I hope you can help me. Thanks in advance. >> >> Op vrijdag 23 juni 2017 17:33:16 UTC+2 schreef [email protected]: >>> >>> Problem "solved" (worked around really) by switching to SPI0, changing >>> the pins around and rerouting most of our custom cape. >>> There are still some problems with the SPI bus but that's a separate >>> issue. >>> >> -- 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/85afcd4d-7c25-4759-a0fa-b12c132e4758o%40googlegroups.com.
