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mfd: Dialog DA9030 battery charger MFD driver 

This patch amends DA903x MFD driver with definitions and methods
needed for battery charger driver.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
hifive-unleashed-5.1
Mike Rapoport 2008-12-18 10:54:27 +01:00 committed by Samuel Ortiz
parent b8380c1a66
commit 856f6fd119
2 changed files with 54 additions and 2 deletions
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12
drivers/mfd/da903x.c
View File

@ -151,12 +151,24 @@ int da903x_write(struct device *dev, int reg, uint8_t val)
}
EXPORT_SYMBOL_GPL(da903x_write);
int da903x_writes(struct device *dev, int reg, int len, uint8_t *val)
{
return __da903x_writes(to_i2c_client(dev), reg, len, val);
}
EXPORT_SYMBOL_GPL(da903x_writes);
int da903x_read(struct device *dev, int reg, uint8_t *val)
{
return __da903x_read(to_i2c_client(dev), reg, val);
}
EXPORT_SYMBOL_GPL(da903x_read);
int da903x_reads(struct device *dev, int reg, int len, uint8_t *val)
{
return __da903x_reads(to_i2c_client(dev), reg, len, val);
}
EXPORT_SYMBOL_GPL(da903x_reads);
int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
{
struct da903x_chip *chip = dev_get_drvdata(dev);

44
include/linux/mfd/da903x.h
View File

@ -32,6 +32,7 @@ enum {
DA9030_ID_LDO18,
DA9030_ID_LDO19,
DA9030_ID_LDO_INT, /* LDO Internal */
DA9030_ID_BAT, /* battery charger */
DA9034_ID_LED_1,
DA9034_ID_LED_2,
@ -93,6 +94,43 @@ struct da9034_touch_pdata {
int y_inverted;
};
/* DA9030 battery charger data */
struct power_supply_info;
struct da9030_battery_info {
/* battery parameters */
struct power_supply_info *battery_info;
/* current and voltage to use for battery charging */
unsigned int charge_milliamp;
unsigned int charge_millivolt;
/* voltage thresholds (in millivolts) */
int vbat_low;
int vbat_crit;
int vbat_charge_start;
int vbat_charge_stop;
int vbat_charge_restart;
/* battery nominal minimal and maximal voltages in millivolts */
int vcharge_min;
int vcharge_max;
/* Temperature thresholds. These are DA9030 register values
"as is" and should be measured for each battery type */
int tbat_low;
int tbat_high;
int tbat_restart;
/* battery monitor interval (seconds) */
unsigned int batmon_interval;
/* platform callbacks for battery low and critical events */
void (*battery_low)(void);
void (*battery_critical)(void);
};
struct da903x_subdev_info {
int id;
const char *name;
@ -190,11 +228,13 @@ extern int da903x_unregister_notifier(struct device *dev,
extern int da903x_query_status(struct device *dev, unsigned int status);
/* NOTE: the two functions below are not intended for use outside
* of the DA9034 sub-device drivers
/* NOTE: the functions below are not intended for use outside
* of the DA903x sub-device drivers
*/
extern int da903x_write(struct device *dev, int reg, uint8_t val);
extern int da903x_writes(struct device *dev, int reg, int len, uint8_t *val);
extern int da903x_read(struct device *dev, int reg, uint8_t *val);
extern int da903x_reads(struct device *dev, int reg, int len, uint8_t *val);
extern int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask);
extern int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask);
extern int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask);