the register bits for TX delay and RX delay are opposites:
when TX delay bit is set, delay is enabled
when RX delay bit is set, delay is disabled
So, when both bits are unset, it is RX delay
and when both bits are set, it is TX delay
Note: TXID is the default RGMII mode of the SOC
Fixes: 5410a8e295 ("ramips: mt7620: add rgmii delays support")
Signed-off-by: Michael Pratt <mcpratt@pm.me>
26c84b2e46