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fan53555.h

fan53555.h 1.5 KB
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  1. /*
    2. 

  2.  * fan53555.h - Fairchild Regulator FAN53555 Driver
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2012 Marvell Technology Ltd.
    5. 

  5.  * Yunfan Zhang <yfzhang@marvell.com>
    6. 

  6.  *
    7. 

  7.  * This package is free software; you can redistribute it and/or modify
    8. 

  8.  * it under the terms of the GNU General Public License version 2 as
    9. 

  9.  * published by the Free Software Foundation.
    10. 

  10.  *
    11. 

  11.  */
    12. 

  12. 

  13. #ifndef __FAN53555_H__
    14. 

  14. 

  15. /* VSEL ID */
    16. 

  16. enum {
    17. 

  17. 	FAN53555_VSEL_ID_0 = 0,
    18. 

  18. 	FAN53555_VSEL_ID_1,
    19. 

  19. };
    20. 

  20. 

  21. /* Transition slew rate limiting from a low to high voltage.
    22. 

  22.  * -----------------------
    23. 

  23.  *   Bin |Slew Rate(mV/uS)
    24. 

  24.  * ------|----------------
    25. 

  25.  *   000 |    64.00
    26. 

  26.  * ------|----------------
    27. 

  27.  *   001 |    32.00
    28. 

  28.  * ------|----------------
    29. 

  29.  *   010 |    16.00
    30. 

  30.  * ------|----------------
    31. 

  31.  *   011 |     8.00
    32. 

  32.  * ------|----------------
    33. 

  33.  *   100 |     4.00
    34. 

  34.  * ------|----------------
    35. 

  35.  *   101 |     2.00
    36. 

  36.  * ------|----------------
    37. 

  37.  *   110 |     1.00
    38. 

  38.  * ------|----------------
    39. 

  39.  *   111 |     0.50
    40. 

  40.  * -----------------------
    41. 

  41.  */
    42. 

  42. enum {
    43. 

  43. 	FAN53555_SLEW_RATE_64MV = 0,
    44. 

  44. 	FAN53555_SLEW_RATE_32MV,
    45. 

  45. 	FAN53555_SLEW_RATE_16MV,
    46. 

  46. 	FAN53555_SLEW_RATE_8MV,
    47. 

  47. 	FAN53555_SLEW_RATE_4MV,
    48. 

  48. 	FAN53555_SLEW_RATE_2MV,
    49. 

  49. 	FAN53555_SLEW_RATE_1MV,
    50. 

  50. 	FAN53555_SLEW_RATE_0_5MV,
    51. 

  51. };
    52. 

  52. 

  53. struct fan53555_platform_data {
    54. 

  54. 	struct regulator_init_data *regulator;
    55. 

  55. 	unsigned int slew_rate;
    56. 

  56. 	/* Sleep VSEL ID */
    57. 

  57. 	unsigned int sleep_vsel_id;
    58. 

  58. };
    59. 

  59. 

  60. #ifdef CONFIG_REGULATOR_FAN53555
    61. 

  61. int __init fan53555_regulator_init(void);
    62. 

  62. #else
    63. 

  63. static inline int __init fan53555_regulator_init(void) { return 0; }
    64. 

  64. #endif
    65. 

  65. 

  66. #endif /* __FAN53555_H__ */
    67. 

  67.