This works! DRA7XX_CORE_IOPAD( 0x34F0, PIN_INPUT | MUX_MODE14 ) // P9.21a DRA7XX_CORE_IOPAD( 0x37C4, PIN_OUTPUT_PULLUP | INPUT_EN | MUX_MODE1 ) // P9.21b DRA7XX_CORE_IOPAD( 0x369C, PIN_INPUT | MUX_MODE14 ) // P9.22a DRA7XX_CORE_IOPAD( 0x37C0, PIN_OUTPUT_PULLUP | INPUT_EN | MUX_MODE1 ) // P9.22b
On Thu, May 14, 2020 at 4:39 PM John Allwine <[email protected]> wrote: > Adding this to my device tree overlay seemed to make /dev/ttyO2 show up: > &uart3 { > status = "okay"; > }; > > I am not able to receive data, though, only send. Any ideas? > > On Thursday, May 14, 2020 at 9:22:07 AM UTC-6, John Allwine wrote: >> >> I'm trying to set up UART3 on the Beaglebone AI to work as a serial port, >> but I'm not sure what is involved. I configured P9.21b and P9.22b to be in >> mode 1, which is mapped to uart3_tx and uart3_rx. How do I get those pins >> bound to a tty device under /dev? Maybe they already are and I don't know >> which one? >> > -- > 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/4e851999-7922-41c1-9002-b7a357b37249%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/4e851999-7922-41c1-9002-b7a357b37249%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAPEK9qYLTNo7JXjHFgP%3DCzo%3DYL0kG8OVqeDtwSmE-xw0-G2JEw%40mail.gmail.com.
