Uart b rts and cts as gpio mode in jetson orin nx

hi we are trying to use the uart b [uart 0 ] cts and rts as gpio changed pinmux and flashed qpsi and build device tree and configured imu int pin but when try to the PX6 PX7 interrupt resource the system hangs without any log can any one help me on this ? pfa for modified dtsi file

test.zip (7.8 KB)

tegra-ubuntu:~$ sudo gpioset gpiochip0 121=1
@tegra-ubuntu:~$ sudo gpioset gpiochip0 120=1line 120: “PX.06” unused output active-high
line 121: “PX.07” unused output active-high we are trying to set the pins output and rive high and los that one also not working

uart 0 cts can be used as gpio??