diff options
Diffstat (limited to 'include/linux/mfd/max14577.h')
-rw-r--r-- | include/linux/mfd/max14577.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h index c83fbed1c7b6..3c098d57b1d1 100644 --- a/include/linux/mfd/max14577.h +++ b/include/linux/mfd/max14577.h @@ -74,4 +74,27 @@ struct max14577_platform_data { struct max14577_regulator_platform_data *regulators; }; +/* + * Valid limits of current for max14577 and max77836 chargers. + * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4 + * register for given chipset. + */ +struct maxim_charger_current { + /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */ + unsigned int min; + /* + * Minimal current when high setting is active, + * set in CHGCTRL4/MBCICHWRCH, uA + */ + unsigned int high_start; + /* Value of one step in high setting, uA */ + unsigned int high_step; + /* Maximum current of high setting, uA */ + unsigned int max; +}; + +extern const struct maxim_charger_current maxim_charger_currents[]; +extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits, + unsigned int min_ua, unsigned int max_ua, u8 *dst); + #endif /* __MAX14577_H__ */ |