econet: en7528: add USB support
Add USB host support for EN7528 SoC:
- New phy-en7528-usb driver with U2 slew rate calibration and U3
RX impedance tuning, based on GPL vendor code and the Airoha
AN7581 USB PHY driver
- xHCI LTSSM timing quirk for TD 6.5 compliance (patch 915)
- USB PHY and xHCI DTS nodes with IPPC register mapping
- VBUS power via regulator-fixed for DASAN H660GM-A
- Enable USB, xHCI, PHY, and regulator kernel configs
Signed-off-by: Ahmed Naseef <naseefkm@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/22498
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
projects / thirdparty / openwrt.git / commit
