omap_usb.h 1.9 KB

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  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. #ifndef __DRIVERS_OMAP_USB2_H
  19. #define __DRIVERS_OMAP_USB2_H
  20. #include <linux/io.h>
  21. #include <linux/usb/otg.h>
  22. struct usb_dpll_params {
  23. u16 m;
  24. u8 n;
  25. u8 freq:3;
  26. u8 sd;
  27. u32 mf;
  28. };
  29. struct omap_usb {
  30. struct usb_phy phy;
  31. struct phy_companion *comparator;
  32. void __iomem *pll_ctrl_base;
  33. void __iomem *phy_base;
  34. struct device *dev;
  35. struct device *control_dev;
  36. struct clk *wkupclk;
  37. struct clk *optclk;
  38. u8 flags;
  39. };
  40. struct usb_phy_data {
  41. const char *label;
  42. u8 flags;
  43. };
  44. /* Driver Flags */
  45. #define OMAP_USB2_HAS_START_SRP (1 << 0)
  46. #define OMAP_USB2_HAS_SET_VBUS (1 << 1)
  47. #define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
  48. #define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
  49. #if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
  50. extern int omap_usb2_set_comparator(struct phy_companion *comparator);
  51. #else
  52. static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
  53. {
  54. return -ENODEV;
  55. }
  56. #endif
  57. static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
  58. {
  59. return __raw_readl(addr + offset);
  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. #endif /* __DRIVERS_OMAP_USB_H */