> +properties: > + description: | > + Sets the transmitter amplitude gain. If not specified, > + gain is set to 1.0V (1v0) > + tx-gain: > + enum: > + - 1v1 > + - 1v0 > + - 0v9 > + - 0v8 How is a gain in volts? Isn't gain just a multiplier, so it unitless? > + tx-slew: > + description: | > + Sets the slew rate of the TX line driver output. Defaults > + to slow if not set. > + enum: > + - fast > + - slow How does this map to a standard? I would expect the standard to specify the slew. So why is this needed? > + dig-slew: > + description: | > + Sets the slew rate of the digital output pins. Defaults > + to slow if not set. By Digital output pins, do you them the GPO pins you are adding a GPIO driver for? > + cmc-comp: > + description: | > + Sets the common mode choke resistance (CMC compensation). > + Defaults to 0-0.5 ohm (0p25) if not set. > + enum: > + - 0p25 > + - 1p38 > + - 3p00 > + - 3p37 What is the mapping between 0-0.5 ohm and 0p25? Can we just use ohms here? > + plca-precedence: > + description: | > + Enables PLCA precedence mode. Defaults to off if not > + set. > + type: boolean What is PLCA precedence? Should this be an ethtool parameter, along side all the other PLCA controls? > + eni-mode: > + description: | > + Enables Enhanced Noise Immunity mode. Defaults to off if > + not set. > + enum: > + - force-on > + - force-off > + - auto phy tunable? > + > + tx-pkt-loop: > + description: | > + Enables packet loopback mode. Defaults to off is not set. > + type: boolean How does this differ from struct phy_driver::set_loopback()? > + unjab-tmr-disable: > + description: | > + Disables the Unjab Timer. When disabled, device transmission > + will be stopped due to a jabber error and only restarted on > + device reset. If not set, this defaults to enabled. > + type: boolean > + > + col-disable: > + description: | > + Disables collision masking. Defaults to enabled if not set. > + type: boolean I could be wrong, but this feels like an SDK dump of all the features the device has, but nobody will ever user in reality. We need some justification why all these properties are really needed, and ideally a .dts file for a board actually using them. If there is no user, i suggest waiting until somebody really does need them. Andrew