include/linux/usb/omap_usb.h

   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         struct device           *dev;
  38         struct device           *control_dev;
  39         struct clk              *wkupclk;
  40         struct clk              *sys_clk;
  41         struct clk              *optclk;
  42         u8                      is_suspended:1;
  43 };
  44
  45 #define phy_to_omapusb(x)       container_of((x), struct omap_usb, phy)
  46
  47 #if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
  48 extern int omap_usb2_set_comparator(struct phy_companion *comparator);
  49 #else
  50 static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
  51 {
  52         return -ENODEV;
  53 }
  54 #endif
  55
  56 static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
  57 {
  58         return __raw_readl(addr + offset);
  59 }
  60
  61 static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
  62         u32 data)
  63 {
  64         __raw_writel(data, addr + offset);
  65 }
  66
  67 #endif /* __DRIVERS_OMAP_USB_H */