v4.19.13 snapshot.
diff --git a/include/linux/phy/omap_usb.h b/include/linux/phy/omap_usb.h
new file mode 100644
index 0000000..2e5fb87
--- /dev/null
+++ b/include/linux/phy/omap_usb.h
@@ -0,0 +1,100 @@
+/*
+ * omap_usb.h -- omap usb2 phy header file
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * 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 __DRIVERS_OMAP_USB2_H
+#define __DRIVERS_OMAP_USB2_H
+
+#include <linux/io.h>
+#include <linux/usb/otg.h>
+
+struct usb_dpll_params {
+	u16	m;
+	u8	n;
+	u8	freq:3;
+	u8	sd;
+	u32	mf;
+};
+
+enum omap_usb_phy_type {
+	TYPE_USB2,    /* USB2_PHY, power down in CONTROL_DEV_CONF */
+	TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
+	TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
+};
+
+struct omap_usb {
+	struct usb_phy		phy;
+	struct phy_companion	*comparator;
+	void __iomem		*pll_ctrl_base;
+	void __iomem		*phy_base;
+	struct device		*dev;
+	struct device		*control_dev;
+	struct clk		*wkupclk;
+	struct clk		*optclk;
+	u8			flags;
+	enum omap_usb_phy_type	type;
+	struct regmap		*syscon_phy_power; /* ctrl. reg. acces */
+	unsigned int		power_reg; /* power reg. index within syscon */
+	u32			mask;
+	u32			power_on;
+	u32			power_off;
+};
+
+struct usb_phy_data {
+	const char *label;
+	u8 flags;
+	u32 mask;
+	u32 power_on;
+	u32 power_off;
+};
+
+/* Driver Flags */
+#define OMAP_USB2_HAS_START_SRP (1 << 0)
+#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
+#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
+
+#define OMAP_DEV_PHY_PD		BIT(0)
+#define OMAP_USB2_PHY_PD	BIT(28)
+
+#define AM437X_USB2_PHY_PD		BIT(0)
+#define AM437X_USB2_OTG_PD		BIT(1)
+#define AM437X_USB2_OTGVDET_EN		BIT(19)
+#define AM437X_USB2_OTGSESSEND_EN	BIT(20)
+
+#define	phy_to_omapusb(x)	container_of((x), struct omap_usb, phy)
+
+#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
+extern int omap_usb2_set_comparator(struct phy_companion *comparator);
+#else
+static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
+{
+	return -ENODEV;
+}
+#endif
+
+static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
+{
+	return __raw_readl(addr + offset);
+}
+
+static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
+	u32 data)
+{
+	__raw_writel(data, addr + offset);
+}
+
+#endif /* __DRIVERS_OMAP_USB_H */