Lines Matching full:delays

54       # RX and TX delays are provided by the PCB. See below
57       # RX and TX delays are not provided by the PCB. This is the most
255             controllers that have configurable RX internal delays. If this
260             controllers that have configurable TX internal delays. If this
278 # delay. If both the RX and TX delays are implemented in this manner,
279 # 'rgmii' should be used, so indicating the PCB adds the delays.
281 # If the PCB does not add these delays via extra long traces,
285 # If only one of the two delays are implemented via extra long clock
287 # indicating the MAC or PHY should implement one of the delays
291 # PCB between the MAC and the PHY, if the PCB implements delays or
299 # When the PCB does not implement the delays, the MAC or PHY must.  As
304 # the MAC and PHY to add these delays when the PCB does not. As stated
312 # to read the 'phy-mode' from Device Tree, not implement any delays,
313 # and pass the value to the PHY. The PHY will then implement delays as
315 # to implement the needed delays, replacing any setting performed by
319 # implement the ability to add or not add the needed delays. Hence
325 # delays which cannot be disabled. The 'phy-mode' only describes the
326 # PCB.  The inability to disable the delays in the MAC does not change
329 # and the MAC and PHY adding delays cannot result in a functional
337 # Sometimes there is a need to fine tune the delays. Often the MAC or
346 # should be used. When the PHY is implementing delays, e.g. 'rgmii-id'
348 # implementing delays, e.g. 'rgmii', a small value can be used to fine