william@beaglebone:~$ ls /dev | grep i2c i2c-0 i2c-2 So I would imagine i2c-2 was meant instead of i2c-1.
But if i2c-0 is used for EEPROM also, what is i2c-2 used for ? On Fri, Jun 3, 2016 at 1:16 PM, Charles Steinkuehler < [email protected]> wrote: > On 6/3/2016 10:20 AM, [email protected] wrote: > > Dear all, please could you describe how to disable defualt mapping of > I2C0 and > > I2C1 interfaces of BBB, so their pins can be used as GPIO? Thank you for > > detailed description! > > As Gerald mentioned, I2C0 is used for on-board communication to things > like the PMIC, HDMI framer, and EEPROM. It doesn't even connect to > the expansion headers so I'm not sure why you need to turn it into GPIO. > > I2C1 does connect to the expansion headers, but should be configured > as GPIO by default unless you specifically loaded an I2C overlay. > > If you need more help, please provide specific details regarding > exactly what you need to do, which kernel you are using, and what you > have already tried that didn't work. > > -- > Charles Steinkuehler > [email protected] > > -- > 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/178d3d73-e8ca-cef9-50c1-e75d7c74d0ab%40steinkuehler.net > . > For more options, visit https://groups.google.com/d/optout. > -- 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/CALHSORpTP1OKfmhY-2yMjd6MVEab-fLb2prMZs_zzcTi%3D6JT7Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
