MarsSeed [1] filed a deletion request for raspi-gpio-git [2]: ARM-only package, does not work on Arch Linux:
==> ERROR: raspi-gpio-git is not available for the 'x86_64' architecture [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/raspi-gpio-git/