bq2415x_charger.h 2.1 KB

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  1. /*
  2. * bq2415x charger driver
  3. *
  4. * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License along
  17. * with this program; if not, write to the Free Software Foundation, Inc.,
  18. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19. */
  20. #ifndef BQ2415X_CHARGER_H
  21. #define BQ2415X_CHARGER_H
  22. /*
  23. * This is platform data for bq2415x chip. It contains default board
  24. * voltages and currents which can be also later configured via sysfs. If
  25. * value is -1 then default chip value (specified in datasheet) will be
  26. * used.
  27. *
  28. * Value resistor_sense is needed for for configuring charge and
  29. * termination current. It it is less or equal to zero, configuring charge
  30. * and termination current will not be possible.
  31. *
  32. * For automode support is needed to provide name of power supply device
  33. * in value notify_device. Device driver must immediately report property
  34. * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
  35. */
  36. /* Supported modes with maximal current limit */
  37. enum bq2415x_mode {
  38. BQ2415X_MODE_OFF, /* offline mode (charger disabled) */
  39. BQ2415X_MODE_NONE, /* unknown charger (100mA) */
  40. BQ2415X_MODE_HOST_CHARGER, /* usb host/hub charger (500mA) */
  41. BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
  42. BQ2415X_MODE_BOOST, /* boost mode (charging disabled) */
  43. };
  44. struct bq2415x_platform_data {
  45. int current_limit; /* mA */
  46. int weak_battery_voltage; /* mV */
  47. int battery_regulation_voltage; /* mV */
  48. int charge_current; /* mA */
  49. int termination_current; /* mA */
  50. int resistor_sense; /* m ohm */
  51. const char *notify_device; /* name */
  52. };
  53. #endif