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// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef __TEGRA_USB_PHY_H
#define __TEGRA_USB_PHY_H

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

/*
 * 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
 */

struct tegra_phy_soc_config {
	bool utmi_pll_config_in_car_module;
	bool has_hostpc;
	bool requires_usbmode_setup;
	bool requires_extra_tuning_parameters;
};

struct tegra_utmip_config {
	u8 hssync_start_delay;
	u8 elastic_limit;
	u8 idle_wait_delay;
	u8 term_range_adj;
	bool xcvr_setup_use_fuses;
	u8 xcvr_setup;
	u8 xcvr_lsfslew;
	u8 xcvr_lsrslew;
	u8 xcvr_hsslew;
	u8 hssquelch_level;
	u8 hsdiscon_level;
};

enum tegra_usb_phy_port_speed {
	TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
	TEGRA_USB_PHY_PORT_SPEED_LOW,
	TEGRA_USB_PHY_PORT_SPEED_HIGH,
};

struct tegra_xtal_freq;

struct tegra_usb_phy {
	int instance;
	const struct tegra_xtal_freq *freq;
	void __iomem *regs;
	void __iomem *pad_regs;
	struct clk *clk;
	struct clk *pll_u;
	struct clk *pad_clk;
	struct regulator *vbus;
	enum usb_dr_mode mode;
	void *config;
	const struct tegra_phy_soc_config *soc_config;
	struct usb_phy *ulpi;
	struct usb_phy u_phy;
	bool is_legacy_phy;
	bool is_ulpi_phy;
	int reset_gpio;
};

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 */

Filemanager

Name Type Size Permission Actions
association.h File 4.59 KB 0644
atmel_usba_udc.h File 421 B 0644
audio-v2.h File 13.17 KB 0644
audio.h File 1.23 KB 0644
c67x00.h File 1.82 KB 0644
cdc-wdm.h File 651 B 0644
cdc.h File 1.48 KB 0644
cdc_ncm.h File 5.56 KB 0644
ch9.h File 2.5 KB 0644
chipidea.h File 2.77 KB 0644
composite.h File 25.17 KB 0644
ehci-dbgp.h File 2.05 KB 0644
ehci_def.h File 7.89 KB 0644
ehci_pdriver.h File 2.31 KB 0644
ezusb.h File 286 B 0644
functionfs.h File 151 B 0644
g_hid.h File 1.13 KB 0644
gadget.h File 32.65 KB 0644
gadget_configfs.h File 2.94 KB 0644
gpio_vbus.h File 1.13 KB 0644
hcd.h File 25.93 KB 0644
input.h File 716 B 0644
iowarrior.h File 1.34 KB 0644
irda.h File 3.76 KB 0644
isp116x.h File 1.13 KB 0644
isp1301.h File 2.38 KB 0644
isp1362.h File 1.59 KB 0644
isp1760.h File 633 B 0644
m66592.h File 1.41 KB 0644
musb-ux500.h File 899 B 0644
musb.h File 4.59 KB 0644
net2280.h File 23.55 KB 0644
of.h File 1.46 KB 0644
ohci_pdriver.h File 1.71 KB 0644
otg-fsm.h File 8.61 KB 0644
otg.h File 3.01 KB 0644
pd.h File 8.98 KB 0644
pd_bdo.h File 1011 B 0644
pd_vdo.h File 7.58 KB 0644
phy.h File 9.25 KB 0644
phy_companion.h File 1.17 KB 0644
quirks.h File 2.34 KB 0644
r8a66597.h File 17.65 KB 0644
renesas_usbhs.h File 4.76 KB 0644
rndis_host.h File 5.94 KB 0644
samsung_usb_phy.h File 530 B 0644
serial.h File 17.12 KB 0644
sl811.h File 838 B 0644
storage.h File 2.58 KB 0644
tcpm.h File 6.46 KB 0644
tegra_usb_phy.h File 2.38 KB 0644
tilegx.h File 983 B 0644
typec.h File 7.04 KB 0644
uas.h File 2.07 KB 0644
ulpi.h File 1.99 KB 0644
usb338x.h File 7.63 KB 0644
usb_phy_generic.h File 892 B 0644
usbnet.h File 10.01 KB 0644
wusb-wa.h File 7.5 KB 0644
wusb.h File 9.92 KB 0644
xhci-dbgp.h File 825 B 0644