1 files changed, 91 insertions, 0 deletions
diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h
new file mode 100644
index 000000000..46e73584b
--- /dev/null
+++ b/include/linux/usb/tegra_usb_phy.h
@@ -0,0 +1,91 @@
+// 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/gpio.h>
+#include <linux/regmap.h>
+#include <linux/reset.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
+ * requires_pmc_ao_power_up: true if USB AO is powered down by default
+ */
+
+struct tegra_phy_soc_config {
+	bool utmi_pll_config_in_car_module;
+	bool has_hostpc;
+	bool requires_usbmode_setup;
+	bool requires_extra_tuning_parameters;
+	bool requires_pmc_ao_power_up;
+};
+
+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 irq;
+	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;
+	struct regmap *pmc_regmap;
+	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;
+	struct gpio_desc *reset_gpio;
+	struct reset_control *pad_rst;
+	bool wakeup_enabled;
+	bool pad_wakeup;
+	bool powered_on;
+};
+
+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 */