Touchscreen

/dev/input/by-id or /dev/input/by-path, they have symbolic links to the right /dev/input/event<x>

by-path event0 event1 mice mouse0

cat /proc/bus/input/devices

I: Bus=0018 Vendor=14e1 Product=3500 Version=01f0
N: Name="PenMount I2C Touch Screen"
P: Phys=penmount_i2c/input0
S: Sysfs=/devices/soc0/soc/210000.aips-bus/21a0000.i2c/i2c-1/1-0038/input/input0
U: Uniq=
H: Handlers=mouse0 event0
B: PROP=2
B: EV=b
B: KEY=400 0 0 0 0 0 0 0 0 0 0
B: ABS=2608000 3

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="PenMount I2C Touch Key"
P: Phys=penmount_i2c/input0
S: Sysfs=/devices/soc0/soc/210000.aips-bus/21a0000.i2c/i2c-1/1-0038/input/input1
U: Uniq=
H: Handlers=kbd event1
B: PROP=2
B: EV=3
B: KEY=40000800 40 0 0 0

cat mouse1 | hexdump -C

References

Touch Screen Calibration (Linux) https://developer.toradex.com/knowledge-base/touch-screen-calibration-(linux\)

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