1/*
2 * omap_usb.h -- omap usb2 phy header file
3 *
4 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * Author: Kishon Vijay Abraham I <kishon@ti.com>
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#ifndef __DRIVERS_OMAP_USB2_H
20#define __DRIVERS_OMAP_USB2_H
21
22#include <linux/io.h>
23#include <linux/usb/otg.h>
24
25struct usb_dpll_params {
26	u16	m;
27	u8	n;
28	u8	freq:3;
29	u8	sd;
30	u32	mf;
31};
32
33struct omap_usb {
34	struct usb_phy		phy;
35	struct phy_companion	*comparator;
36	void __iomem		*pll_ctrl_base;
37	void __iomem		*phy_base;
38	struct device		*dev;
39	struct device		*control_dev;
40	struct clk		*wkupclk;
41	struct clk		*optclk;
42	u8			flags;
43};
44
45struct usb_phy_data {
46	const char *label;
47	u8 flags;
48};
49
50/* Driver Flags */
51#define OMAP_USB2_HAS_START_SRP (1 << 0)
52#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
53#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
54
55#define	phy_to_omapusb(x)	container_of((x), struct omap_usb, phy)
56
57#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
58extern int omap_usb2_set_comparator(struct phy_companion *comparator);
59#else
60static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
61{
62	return -ENODEV;
63}
64#endif
65
66static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
67{
68	return __raw_readl(addr + offset);
69}
70
71static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
72	u32 data)
73{
74	__raw_writel(data, addr + offset);
75}
76
77#endif /* __DRIVERS_OMAP_USB_H */
78