specifications. If neither of these are specified, the default is to
assume clause 22. The compatible list may also contain other
elements.
-- max-speed: Maximum PHY supported speed (10, 100, 1000...)
If the phy's identifier is known then the list may contain an entry
of the form: "ethernet-phy-idAAAA.BBBB" where
4 hex digits. This is the chip vendor OUI bits 19:24,
followed by 10 bits of a vendor specific ID.
+- max-speed: Maximum PHY supported speed (10, 100, 1000...)
+
Example:
ethernet-phy@0 {