dracut/modules.d/91pcsc/pcscd.socket

[Unit]
DefaultDependencies=no
Description=PC/SC Smart Card Daemon Activation Socket (Dracut)
Documentation=man:pcscd(8)

[Socket]
ListenStream=/run/pcscd/pcscd.comm
SocketMode=0666

[Install]
WantedBy=cryptsetup-pre.target sockets.target