mvmfp.h 4.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (C) Copyright 2010
  4. * Marvell Semiconductor <www.marvell.com>
  5. * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  6. */
  7. #ifndef __MVMFP_H
  8. #define __MVMFP_H
  9. /*
  10. * Header file for MultiFunctionPin (MFP) Configururation framework
  11. *
  12. * Processors Supported:
  13. * 1. Marvell ARMADA100 Processors
  14. *
  15. * processor to be supported should be added here
  16. */
  17. /*
  18. * MFP configuration is represented by a 32-bit unsigned integer
  19. */
  20. #ifdef CONFIG_MVMFP_V2
  21. #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \
  22. /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \
  23. /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \
  24. /* bit 12..11 - Driver Strength */ (((_drv) & 0x3) << 11) | \
  25. /* bits 10 - pad driver */ (((_slp) & 0x1) << 10) | \
  26. /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \
  27. /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \
  28. /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \
  29. /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7))
  30. #else
  31. #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \
  32. /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \
  33. /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \
  34. /* bit 12 - Unused */ \
  35. /* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \
  36. /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \
  37. /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \
  38. /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \
  39. /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7))
  40. #endif
  41. /*
  42. * to facilitate the definition, the following macros are provided
  43. *
  44. * offset, pull,pF, drv,dF, edge,eF ,afn,aF
  45. */
  46. #define MFP_OFFSET_MASK MFP(0xffff, 0, 0, 0, 0, 0, 0)
  47. #define MFP_REG(x) MFP(x, 0, 0, 0, 0, 0, 0)
  48. #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16)
  49. #define MFP_AF0 MFP(0x0000, 0, 0, 0, 0, 0, 0)
  50. #define MFP_AF1 MFP(0x0000, 0, 0, 0, 0, 0, 1)
  51. #define MFP_AF2 MFP(0x0000, 0, 0, 0, 0, 0, 2)
  52. #define MFP_AF3 MFP(0x0000, 0, 0, 0, 0, 0, 3)
  53. #define MFP_AF4 MFP(0x0000, 0, 0, 0, 0, 0, 4)
  54. #define MFP_AF5 MFP(0x0000, 0, 0, 0, 0, 0, 5)
  55. #define MFP_AF6 MFP(0x0000, 0, 0, 0, 0, 0, 6)
  56. #define MFP_AF7 MFP(0x0000, 0, 0, 0, 0, 0, 7)
  57. #define MFP_AF_MASK MFP(0x0000, 0, 0, 0, 0, 0, 7)
  58. #define MFP_SLEEP_CTRL2 MFP(0x0000, 0, 0, 0, 0, 1, 0)
  59. #define MFP_SLEEP_DIR MFP(0x0000, 0, 0, 0, 0, 2, 0)
  60. #define MFP_SLEEP_DATA MFP(0x0000, 0, 0, 0, 0, 4, 0)
  61. #define MFP_SLEEP_CTRL MFP(0x0000, 0, 0, 0, 0, 8, 0)
  62. #define MFP_SLEEP_MASK MFP(0x0000, 0, 0, 0, 0, 0xf, 0)
  63. #define MFP_LPM_EDGE_NONE MFP(0x0000, 0, 0, 0, 4, 0, 0)
  64. #define MFP_LPM_EDGE_RISE MFP(0x0000, 0, 0, 0, 1, 0, 0)
  65. #define MFP_LPM_EDGE_FALL MFP(0x0000, 0, 0, 0, 2, 0, 0)
  66. #define MFP_LPM_EDGE_BOTH MFP(0x0000, 0, 0, 0, 3, 0, 0)
  67. #define MFP_LPM_EDGE_MASK MFP(0x0000, 0, 0, 0, 7, 0, 0)
  68. #define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0)
  69. #define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0, 0, 0, 0, 0, 0)
  70. #define MFP_DRIVE_SLOW MFP(0x0000, 0, 1, 0, 0, 0, 0)
  71. #define MFP_DRIVE_MEDIUM MFP(0x0000, 0, 2, 0, 0, 0, 0)
  72. #define MFP_DRIVE_FAST MFP(0x0000, 0, 3, 0, 0, 0, 0)
  73. #define MFP_DRIVE_MASK MFP(0x0000, 0, 3, 0, 0, 0, 0)
  74. #define MFP_PULL_NONE MFP(0x0000, 0, 0, 0, 0, 0, 0)
  75. #define MFP_PULL_LOW MFP(0x0000, 5, 0, 0, 0, 0, 0)
  76. #define MFP_PULL_HIGH MFP(0x0000, 6, 0, 0, 0, 0, 0)
  77. #define MFP_PULL_BOTH MFP(0x0000, 7, 0, 0, 0, 0, 0)
  78. #define MFP_PULL_FLOAT MFP(0x0000, 4, 0, 0, 0, 0, 0)
  79. #define MFP_PULL_MASK MFP(0x0000, 7, 0, 0, 0, 0, 0)
  80. #define MFP_VALUE_MASK (MFP_PULL_MASK | MFP_DRIVE_MASK | MFP_SLP_DI \
  81. | MFP_LPM_EDGE_MASK | MFP_SLEEP_MASK \
  82. | MFP_AF_MASK)
  83. #define MFP_EOC 0xffffffff /* indicates end-of-conf */
  84. /* Functions */
  85. void mfp_config(u32 *mfp_cfgs);
  86. #endif /* __MVMFP_H */