linux/include/linux/usb/tegra_usb_phy.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2010 Google, Inc.
 */

#ifndef __TEGRA_USB_PHY_H
#define __TEGRA_USB_PHY_H

#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/usb/otg.h>

struct gpio_desc;

/*
 * utmi_pll_config_in_car_module: true if the UTMI PLL configuration registers
 *     should be set up by clk-tegra, false if by the PHY code
 * has_hostpc: true if the USB controller has the HOSTPC extension, which
 *     changes the location of the PHCD and PTS fields
 * requires_usbmode_setup: true if the USBMODE register needs to be set to
 *      enter host mode
 * requires_extra_tuning_parameters: true if xcvr_hsslew, hssquelch_level
 *      and hsdiscon_level should be set for adequate signal quality
 * requires_pmc_ao_power_up: true if USB AO is powered down by default
 */

struct tegra_phy_soc_config { … };

struct tegra_utmip_config { … };

enum tegra_usb_phy_port_speed { … };

struct tegra_xtal_freq;

struct tegra_usb_phy { … };

void tegra_usb_phy_preresume(struct usb_phy *phy);

void tegra_usb_phy_postresume(struct usb_phy *phy);

void tegra_ehci_phy_restore_start(struct usb_phy *phy,
				 enum tegra_usb_phy_port_speed port_speed);

void tegra_ehci_phy_restore_end(struct usb_phy *phy);

#endif /* __TEGRA_USB_PHY_H */