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91 lines
2.2 KiB
91 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (C) 2010 Google, Inc. |
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*/ |
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#ifndef __TEGRA_USB_PHY_H |
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#define __TEGRA_USB_PHY_H |
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#include <linux/clk.h> |
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#include <linux/gpio.h> |
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#include <linux/regmap.h> |
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#include <linux/reset.h> |
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#include <linux/usb/otg.h> |
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/* |
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* utmi_pll_config_in_car_module: true if the UTMI PLL configuration registers |
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* should be set up by clk-tegra, false if by the PHY code |
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* has_hostpc: true if the USB controller has the HOSTPC extension, which |
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* changes the location of the PHCD and PTS fields |
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* requires_usbmode_setup: true if the USBMODE register needs to be set to |
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* enter host mode |
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* requires_extra_tuning_parameters: true if xcvr_hsslew, hssquelch_level |
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* and hsdiscon_level should be set for adequate signal quality |
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* requires_pmc_ao_power_up: true if USB AO is powered down by default |
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*/ |
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struct tegra_phy_soc_config { |
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bool utmi_pll_config_in_car_module; |
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bool has_hostpc; |
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bool requires_usbmode_setup; |
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bool requires_extra_tuning_parameters; |
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bool requires_pmc_ao_power_up; |
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}; |
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struct tegra_utmip_config { |
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u8 hssync_start_delay; |
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u8 elastic_limit; |
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u8 idle_wait_delay; |
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u8 term_range_adj; |
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bool xcvr_setup_use_fuses; |
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u8 xcvr_setup; |
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u8 xcvr_lsfslew; |
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u8 xcvr_lsrslew; |
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u8 xcvr_hsslew; |
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u8 hssquelch_level; |
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u8 hsdiscon_level; |
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}; |
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enum tegra_usb_phy_port_speed { |
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TEGRA_USB_PHY_PORT_SPEED_FULL = 0, |
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TEGRA_USB_PHY_PORT_SPEED_LOW, |
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TEGRA_USB_PHY_PORT_SPEED_HIGH, |
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}; |
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struct tegra_xtal_freq; |
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struct tegra_usb_phy { |
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int irq; |
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int instance; |
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const struct tegra_xtal_freq *freq; |
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void __iomem *regs; |
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void __iomem *pad_regs; |
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struct clk *clk; |
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struct clk *pll_u; |
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struct clk *pad_clk; |
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struct regulator *vbus; |
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struct regmap *pmc_regmap; |
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enum usb_dr_mode mode; |
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void *config; |
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const struct tegra_phy_soc_config *soc_config; |
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struct usb_phy *ulpi; |
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struct usb_phy u_phy; |
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bool is_legacy_phy; |
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bool is_ulpi_phy; |
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struct gpio_desc *reset_gpio; |
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struct reset_control *pad_rst; |
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bool wakeup_enabled; |
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bool pad_wakeup; |
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bool powered_on; |
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}; |
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void tegra_usb_phy_preresume(struct usb_phy *phy); |
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void tegra_usb_phy_postresume(struct usb_phy *phy); |
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void tegra_ehci_phy_restore_start(struct usb_phy *phy, |
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enum tegra_usb_phy_port_speed port_speed); |
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void tegra_ehci_phy_restore_end(struct usb_phy *phy); |
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#endif /* __TEGRA_USB_PHY_H */
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