diff --git a/sys/modules/mii/Makefile b/sys/modules/mii/Makefile
--- a/sys/modules/mii/Makefile
+++ b/sys/modules/mii/Makefile
@@ -12,6 +12,11 @@
 SRCS+= smscphy.c tdkphy.c truephy.c
 SRCS+= ukphy.c ukphy_subr.c
 SRCS+= xmphy.c
+SRCS+= opt_platform.h dp83822phy.c dp83867phy.c vscphy.c
+
+.if !empty(OPT_FDT)
+SRCS+= mii_fdt.c micphy.c ofw_bus_if.h
+.endif
 
 EXPORT_SYMS=   YES