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UART

UART

Owned by Elena.Garcia@congatec.com
May 17, 2024
1 min read

Three serial ports available on conga-QMX6:

Hardware name

Device name (linux)

Device name (u-boot)

Purpose

Hardware name

Device name (linux)

Device name (u-boot)

Purpose

uart2: serial@21e8000

/dev/ttymxc1 (serial console)

serial console

connector X6 DCE2 pin 4(TX) and 5(TX)

uart3: serial@21ec000

/dev/ttymxc2

not supported

Q7 EXCD0/1 pins: 171(Tx)/177(Rx)/172(CTS)/178(RTS)

uart5: serial@21f4000

/dev/ttymxc4

not supported

connector X6 DCE1 pin 1(TX) and 6(TX)

ttymxc1

  • default as serial debug console in u-boot and Kernel with 115200/8N1

  • can be routed to Q7 edge connector

ttymxc2

  • routed to Q7 edge connector

  • supports RTS/CTS pins

  • on QEVA X30 (COM2)

ttymxc3

  • only available on on-module connector X6