1. 根目录:
2. drivers
3. usb
4. phy
5. phy-generic.h

#ifndef _PHY_GENERIC_H_
#define _PHY_GENERIC_H_

#include <linux/usb/usb_phy_gen_xceiv.h>

struct usb_phy_gen_xceiv {
	struct usb_phy phy;
	struct device *dev;
	struct clk *clk;
	struct regulator *vcc;
	int gpio_reset;
	bool reset_active_low;
};

int usb_gen_phy_init(struct usb_phy *phy);
void usb_gen_phy_shutdown(struct usb_phy *phy);

int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_gen_xceiv *nop,
		struct usb_phy_gen_xceiv_platform_data *pdata);

#endif