diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index c2d72c8fe6a0..5dc237f59940 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -97,6 +97,13 @@ i.mx specific properties It's recommended to specify the over current polarity. - power-active-high: power signal polarity is active high - external-vbus-divider: enables off-chip resistor divider for Vbus +- picophy,pre-emp-curr-control: HS Transmitter Pre-Emphasis Current + Control. This signal controls the amount of current sourced to the + USB_OTG*_DP and USB_OTG*_DN pins after a J-to-K or K-to-J transition. + Details can refer to TXPREEMPAMPTUNE0 bits of USBNC_n_PHY_CFG1. +- picophy,dc-vol-level-adjust: HS DC Voltage Level Adjustment. + Adjust the high-speed transmitter DC level voltage, details can refer + to TXVREFTUNE0 bits of USBNC_n_PHY_CFG1. Example: |