How can define the /dev/ttyTHS2 device tree at TX1 jetpack 3.1?

How can define the /dev/ttyTHS2 device tree at TX1 jetpack 3.1?

I use the D9 and D10 pin is to /dev/ttyTHS2.

UART1_TX	D9
UART1_RX	D10

Hi sensor_test,

Please follow up from your previous topic: https://devtalk.nvidia.com/default/topic/1044861/

Thanks