My current laptop is Thinkpad T14 AMD
Everything works fine under Arch Linux.
There is an article from Arch Wiki about almost same model T14s
It better to use libinput for touchpad. There is a config file /etc/X11/xorg.conf.d/70-touchpad.conf
Section "InputClass"
Identifier "touchpad"
Driver "libinput"
MatchIsTouchpad "on"
Option "AccelSpeed" "0.4"
Option "Tapping" "on"
Option "ClickMethod" "clickfinger"
Option "NaturalScrolling" "false"
Option "ScrollMethod" "twofinger"
Option "DisableWhileTyping" "true"
EndSection
Helpful article about Increasing Battery Life on an Arch Linux Laptop