FDT is used at run time in 7 crates (of which 4 optionally). It is a direct run-time dependency in 4 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) FDT version
750 3 ostd ^0.1.5
270 hermit-kernel ^0.1
260 syscon-rs ^0.1.4
polyhal ^0.1.5
qemu-fw-cfg dev ^0.1.3