I find the following message online. I guess that when kernel configuring, some menu options results in the pingroups file genreated. Any experts know which kernel configure menu controls this? Thanks,
BeagleBone Black Linux kernel stores groups of pins reserved for eMMC, HDMI, etc. in a number of files under /sys/kernel/debug/pinctrl/44e10800.pinmux/ directory. To read the contents of the pingroups file that provides information on the groups of pins dedicated to a specific functionality, On Saturday, October 17, 2015 at 11:53:28 AM UTC-4, RobertCNelson wrote: > > > On Oct 17, 2015 10:45 AM, "Robert Willy" <[email protected] <javascript:>> > wrote: > > > > Hi, > > > > I fiddle with AM335xSK board. I see a tutorial of BBB, which runs > command: > > > > root@beaglebone:~# less /sys/kernel/debug/pinctrl/44e10800.pinmux/pins > > > > On my AM335xSK board, it has no response, i.e. even after the 'enter' > key. Please see the photo: > > > > <a href="http://tinypic.com?ref=ipb8er"; target="_blank"><img src=" > http://i61.tinypic.com/ipb8er.png"; border="0" alt="Image and video > hosting by TinyPic"></a> > > > > > > BTW, the target has the latest version: > > root@am335x-evm:/# uname -r > > 3.14.43-g875c69b > > So... Maybe if you actually booted with the BBB kernel? > > Regards, > -- 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]. For more options, visit https://groups.google.com/d/optout.
![http://i61.tinypic.com/ipb8er.png"](http://i61.tinypic.com/ipb8er.png"){kind=link}