u-boot/arch/arm/include/asm/arch-sunxi/usb_phy.h

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/*
* Sunxi usb-phy code
*
* Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
* Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
*
* Based on code from
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
int sunxi_usb_phy_probe(void);
int sunxi_usb_phy_remove(void);
void sunxi_usb_phy_init(int index);
void sunxi_usb_phy_exit(int index);
void sunxi_usb_phy_power_on(int index);
void sunxi_usb_phy_power_off(int index);
int sunxi_usb_phy_power_is_on(int index);
int sunxi_usb_phy_vbus_detect(int index);
int sunxi_usb_phy_id_detect(int index);
void sunxi_usb_phy_enable_squelch_detect(int index, int enable);
/* Not really phy related, but we have to declare this somewhere ... */
#if defined(CONFIG_USB_MUSB_HOST) || defined(CONFIG_USB_MUSB_GADGET)
void sunxi_musb_board_init(void);
#else
#define sunxi_musb_board_init()
#endif