FDT is used at run time in 4 crates (of which 2 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) FDT version
500 1 ostd ^0.1.5
polyhal ^0.1.5
syscon-rs ^0.1.4
qemu-fw-cfg dev ^0.1.3