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
25 struct usb_dpll_params {
26 u16 m;
27 u8 n;
28 u8 freq:3;
29 u8 sd;
30 u32 mf;
31 };
32
33 struct 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
45 struct 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)
58 extern int omap_usb2_set_comparator(struct phy_companion *comparator);
59 #else
omap_usb2_set_comparator(struct phy_companion * comparator)60 static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
61 {
62 return -ENODEV;
63 }
64 #endif
65
omap_usb_readl(void __iomem * addr,unsigned offset)66 static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
67 {
68 return __raw_readl(addr + offset);
69 }
70
omap_usb_writel(void __iomem * addr,unsigned offset,u32 data)71 static 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