Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d1992a33 authored by Elson Roy Serrao's avatar Elson Roy Serrao
Browse files

dt-bindings: usb: Add Gen2 Tx Compliance tuning property for dwc3 

Tuning for Tx 3.1 Gen2 needs to be done by modifiying the deemph
registers. Expose these registers via device tree properties so that
tuning can be applied duing dwc3 init.

Change-Id: I84066e976ccbd6006ca9149e29d1c27acb694646
parent 28ac5c4a

bindings/usb/dwc3.txt

+8 −0
Original line number Diff line number Diff line
@@ -110,6 +110,14 @@ Optional properties: 
			When just one value, which means INCRX burst mode enabled. When

			more than one value, which means undefined length INCR burst type

			enabled. The values can be 1, 4, 8, 16, 32, 64, 128 and 256.

 - snps,gen2-tx-de-emph: This register is for setting TX deemphasis used in

			normal operation in gen2.

 - snps,gen2-tx-de-emph1: This register is for setting TX deemphasis used in

			compliance mode, pattern 13.

 - snps,gen2-tx-de-emph2: This register is for setting TX deemphasis used in

			compliance mode, pattern 14.

 - snps,gen2-tx-de-emph3: This register is for setting TX deemphasis used in

			compliance mode, pattern 16.



 - in addition all properties from usb-xhci.txt from the current directory are

   supported as well