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| /rk3399_rockchip-uboot/drivers/phy/ |
| H A D | phy-rockchip-inno-usb2.c | 4367cef240ca8d008c5d67af3310814e199411ec Tue Jan 04 12:06:10 UTC 2022 William Wu <william.wu@rock-chips.com> phy: rockchip: inno-usb2: add phy reset and tuning for rk3588
Deassert SIDDQ to power on analog block and reset phy
firstly, and tuning the high speed Tx signal for the
four independent USB2.0 PHYs of RK3588.
1. Adjust the HS DC level voltage from design default
4'b0110:0 to 4'b1001:+5.89%.
2. Adjust the HS Transmitter pre-emphasis current control
from design default 2'b00 disabled pre-emphasis to
2'b10 2x pre-emphasis current.
Signed-off-by: William Wu <william.wu@rock-chips.com>
Change-Id: I3d74e8ee028a6f3f052a39fa4071f9ee505940a3
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