diff options
| author | Elson Roy Serrao <eserrao@quicinc.com> | 2019-12-04 09:29:43 -0800 |
|---|---|---|
| committer | Elson Roy Serrao <eserrao@quicinc.com> | 2020-02-07 10:05:58 -0800 |
| commit | fc3f12eb6440984c60b22344a270a5787125a44b (patch) | |
| tree | c169a38ec672bb197cf1c76183d697a8ee0c0697 /bindings/usb | |
| parent | 43736b922e965c8723e390f55adf194c06ed55bf (diff) | |
| download | devicetree-fc3f12eb6440984c60b22344a270a5787125a44b.tar.gz | |
ARM: dts: msm: Add Gen2 Tx Compliance tuning property for Kona
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
Diffstat (limited to 'bindings/usb')
| -rw-r--r-- | bindings/usb/dwc3.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/bindings/usb/dwc3.txt b/bindings/usb/dwc3.txt index d06f3486..f27ddca0 100644 --- a/bindings/usb/dwc3.txt +++ b/bindings/usb/dwc3.txt @@ -112,6 +112,14 @@ 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 |