dra.h 2.6 KB

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  1. /*
  2. * This header provides constants for DRA pinctrl bindings.
  3. *
  4. * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
  5. * Author: Rajendra Nayak <rnayak@ti.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #ifndef _DT_BINDINGS_PINCTRL_DRA_H
  12. #define _DT_BINDINGS_PINCTRL_DRA_H
  13. /* DRA7 mux mode options for each pin. See TRM for options */
  14. #define MUX_MODE0 0x0
  15. #define MUX_MODE1 0x1
  16. #define MUX_MODE2 0x2
  17. #define MUX_MODE3 0x3
  18. #define MUX_MODE4 0x4
  19. #define MUX_MODE5 0x5
  20. #define MUX_MODE6 0x6
  21. #define MUX_MODE7 0x7
  22. #define MUX_MODE8 0x8
  23. #define MUX_MODE9 0x9
  24. #define MUX_MODE10 0xa
  25. #define MUX_MODE11 0xb
  26. #define MUX_MODE12 0xc
  27. #define MUX_MODE13 0xd
  28. #define MUX_MODE14 0xe
  29. #define MUX_MODE15 0xf
  30. /* Certain pins need virtual mode, but note: they may glitch */
  31. #define MUX_VIRTUAL_MODE0 (MODE_SELECT | (0x0 << 4))
  32. #define MUX_VIRTUAL_MODE1 (MODE_SELECT | (0x1 << 4))
  33. #define MUX_VIRTUAL_MODE2 (MODE_SELECT | (0x2 << 4))
  34. #define MUX_VIRTUAL_MODE3 (MODE_SELECT | (0x3 << 4))
  35. #define MUX_VIRTUAL_MODE4 (MODE_SELECT | (0x4 << 4))
  36. #define MUX_VIRTUAL_MODE5 (MODE_SELECT | (0x5 << 4))
  37. #define MUX_VIRTUAL_MODE6 (MODE_SELECT | (0x6 << 4))
  38. #define MUX_VIRTUAL_MODE7 (MODE_SELECT | (0x7 << 4))
  39. #define MUX_VIRTUAL_MODE8 (MODE_SELECT | (0x8 << 4))
  40. #define MUX_VIRTUAL_MODE9 (MODE_SELECT | (0x9 << 4))
  41. #define MUX_VIRTUAL_MODE10 (MODE_SELECT | (0xa << 4))
  42. #define MUX_VIRTUAL_MODE11 (MODE_SELECT | (0xb << 4))
  43. #define MUX_VIRTUAL_MODE12 (MODE_SELECT | (0xc << 4))
  44. #define MUX_VIRTUAL_MODE13 (MODE_SELECT | (0xd << 4))
  45. #define MUX_VIRTUAL_MODE14 (MODE_SELECT | (0xe << 4))
  46. #define MUX_VIRTUAL_MODE15 (MODE_SELECT | (0xf << 4))
  47. #define MODE_SELECT (1 << 8)
  48. #define PULL_ENA (0 << 16)
  49. #define PULL_DIS (1 << 16)
  50. #define PULL_UP (1 << 17)
  51. #define INPUT_EN (1 << 18)
  52. #define SLEWCONTROL (1 << 19)
  53. #define WAKEUP_EN (1 << 24)
  54. #define WAKEUP_EVENT (1 << 25)
  55. /* Active pin states */
  56. #define PIN_OUTPUT (0 | PULL_DIS)
  57. #define PIN_OUTPUT_PULLUP (PULL_UP)
  58. #define PIN_OUTPUT_PULLDOWN (0)
  59. #define PIN_INPUT (INPUT_EN | PULL_DIS)
  60. #define PIN_INPUT_SLEW (INPUT_EN | SLEWCONTROL)
  61. #define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP)
  62. #define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN)
  63. /*
  64. * Macro to allow using the absolute physical address instead of the
  65. * padconf registers instead of the offset from padconf base.
  66. */
  67. #define DRA7XX_CORE_IOPAD(pa, val) (((pa) & 0xffff) - 0x3400) (val)
  68. /* DRA7 IODELAY configuration parameters */
  69. #define A_DELAY_PS(val) ((val) & 0xffff)
  70. #define G_DELAY_PS(val) ((val) & 0xffff)
  71. #endif