For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/hardware/openSUSE_Tumbleweed/hardware.repo
zypper refresh
zypper install iwd
For openSUSE Factory PPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/hardware/openSUSE_Factory_PPC/hardware.repo
zypper refresh
zypper install iwd
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/hardware/openSUSE_Factory_ARM/hardware.repo
zypper refresh
zypper install iwd
For openSUSE Factory-z run the following as root:
zypper addrepo https://download.opensuse.org/repositories/hardware/openSUSE_Factory-z/hardware.repo
zypper refresh
zypper install iwd
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/hardware/15.5/hardware.repo
zypper refresh
zypper install iwd