diff options
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/max14577-private.h | 22 | ||||
| -rw-r--r-- | include/linux/mfd/max14577.h | 23 |
2 files changed, 34 insertions, 11 deletions
diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h index d6f321699b89..7d514839c764 100644 --- a/include/linux/mfd/max14577-private.h +++ b/include/linux/mfd/max14577-private.h @@ -281,17 +281,17 @@ enum max14577_charger_reg { #define CHGCTRL7_OTPCGHCVS_SHIFT 0 #define CHGCTRL7_OTPCGHCVS_MASK (0x3 << CHGCTRL7_OTPCGHCVS_SHIFT) -/* MAX14577 regulator current limits (as in CHGCTRL4 register), uA */ -#define MAX14577_REGULATOR_CURRENT_LIMIT_MIN 90000 -#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START 200000 -#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP 50000 -#define MAX14577_REGULATOR_CURRENT_LIMIT_MAX 950000 - -/* MAX77836 regulator current limits (as in CHGCTRL4 register), uA */ -#define MAX77836_REGULATOR_CURRENT_LIMIT_MIN 45000 -#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_START 100000 -#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_STEP 25000 -#define MAX77836_REGULATOR_CURRENT_LIMIT_MAX 475000 +/* MAX14577 charger current limits (as in CHGCTRL4 register), uA */ +#define MAX14577_CHARGER_CURRENT_LIMIT_MIN 90000U +#define MAX14577_CHARGER_CURRENT_LIMIT_HIGH_START 200000U +#define MAX14577_CHARGER_CURRENT_LIMIT_HIGH_STEP 50000U +#define MAX14577_CHARGER_CURRENT_LIMIT_MAX 950000U + +/* MAX77836 charger current limits (as in CHGCTRL4 register), uA */ +#define MAX77836_CHARGER_CURRENT_LIMIT_MIN 45000U +#define MAX77836_CHARGER_CURRENT_LIMIT_HIGH_START 100000U +#define MAX77836_CHARGER_CURRENT_LIMIT_HIGH_STEP 25000U +#define MAX77836_CHARGER_CURRENT_LIMIT_MAX 475000U /* MAX14577 regulator SFOUT LDO voltage, fixed, uV */ #define MAX14577_REGULATOR_SAFEOUT_VOLTAGE 4900000 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__ */ |