SpacemiT K1 USB 2.0 PHY support

modulename: phy-k1-usb2.ko

configname: CONFIG_PHY_SPACEMIT_K1_USB2

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>Common Clock Framework
└─>SpacemiT K1 USB 2.0 PHY support
In linux kernel since version 6.19.5 (release Date: 2026-02-27)
Enable this to support K1 USB 2.0 PHY driver. This driver takes care of
enabling and clock setup and will be used by K1 udc/ehci/otg/xhci driver.
source code:
drivers/phy/spacemit//phy-k1-usb2.c