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Merge branch 'psy-mfd-axp288-immutable' into psy-next

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This commit is contained in:
Sebastian Reichel 2017-01-04 22:01:42 +01:00
commit 8bb17b6c83
3 changed files with 99 additions and 473 deletions
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138
drivers/power/supply/axp288_charger.c
View File

@ -143,7 +143,6 @@ enum {
struct axp288_chrg_info {
struct platform_device *pdev;
struct axp20x_chrg_pdata *pdata;
struct regmap *regmap;
struct regmap_irq_chip_data *regmap_irqc;
int irq[CHRG_INTR_END];
@ -701,110 +700,112 @@ static int axp288_charger_handle_otg_evt(struct notifier_block *nb,
return NOTIFY_OK;
}
static void charger_init_hw_regs(struct axp288_chrg_info *info)
static int charger_init_hw_regs(struct axp288_chrg_info *info)
{
int ret, cc, cv;
unsigned int val;
/* Program temperature thresholds */
ret = regmap_write(info->regmap, AXP20X_V_LTF_CHRG, CHRG_VLTFC_0C);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_V_LTF_CHRG, ret);
return ret;
}
ret = regmap_write(info->regmap, AXP20X_V_HTF_CHRG, CHRG_VHTFC_45C);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_V_HTF_CHRG, ret);
return ret;
}
/* Do not turn-off charger o/p after charge cycle ends */
ret = regmap_update_bits(info->regmap,
AXP20X_CHRG_CTRL2,
CNTL2_CHG_OUT_TURNON, 1);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CHRG_CTRL2, ret);
return ret;
}
/* Enable interrupts */
ret = regmap_update_bits(info->regmap,
AXP20X_IRQ2_EN,
BAT_IRQ_CFG_BAT_MASK, 1);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_IRQ2_EN, ret);
return ret;
}
ret = regmap_update_bits(info->regmap, AXP20X_IRQ3_EN,
TEMP_IRQ_CFG_MASK, 1);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_IRQ3_EN, ret);
return ret;
}
/* Setup ending condition for charging to be 10% of I(chrg) */
ret = regmap_update_bits(info->regmap,
AXP20X_CHRG_CTRL1,
CHRG_CCCV_ITERM_20P, 0);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CHRG_CTRL1, ret);
return ret;
}
/* Disable OCV-SOC curve calibration */
ret = regmap_update_bits(info->regmap,
AXP20X_CC_CTRL,
FG_CNTL_OCV_ADJ_EN, 0);
if (ret < 0)
dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
if (ret < 0) {
dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CC_CTRL, ret);
/* Init charging current and voltage */
info->max_cc = info->pdata->max_cc;
info->max_cv = info->pdata->max_cv;
return ret;
}
/* Read current charge voltage and current limit */
ret = regmap_read(info->regmap, AXP20X_CHRG_CTRL1, &val);
if (ret < 0) {
/* Assume default if cannot read */
info->cc = info->pdata->def_cc;
info->cv = info->pdata->def_cv;
} else {
/* Determine charge voltage */
cv = (val & CHRG_CCCV_CV_MASK) >> CHRG_CCCV_CV_BIT_POS;
switch (cv) {
case CHRG_CCCV_CV_4100MV:
info->cv = CV_4100MV;
break;
case CHRG_CCCV_CV_4150MV:
info->cv = CV_4150MV;
break;
case CHRG_CCCV_CV_4200MV:
info->cv = CV_4200MV;
break;
case CHRG_CCCV_CV_4350MV:
info->cv = CV_4350MV;
break;
default:
info->cv = INT_MAX;
break;
}
/* Determine charge current limit */
cc = (ret & CHRG_CCCV_CC_MASK) >> CHRG_CCCV_CC_BIT_POS;
cc = (cc * CHRG_CCCV_CC_LSB_RES) + CHRG_CCCV_CC_OFFSET;
info->cc = cc;
/* Program default charging voltage and current */
cc = min(info->pdata->def_cc, info->max_cc);
cv = min(info->pdata->def_cv, info->max_cv);
ret = axp288_charger_set_cc(info, cc);
if (ret < 0)
dev_warn(&info->pdev->dev,
"error(%d) in setting CC\n", ret);
ret = axp288_charger_set_cv(info, cv);
if (ret < 0)
dev_warn(&info->pdev->dev,
"error(%d) in setting CV\n", ret);
dev_err(&info->pdev->dev, "register(%x) read error(%d)\n",
AXP20X_CHRG_CTRL1, ret);
return ret;
}
/* Determine charge voltage */
cv = (val & CHRG_CCCV_CV_MASK) >> CHRG_CCCV_CV_BIT_POS;
switch (cv) {
case CHRG_CCCV_CV_4100MV:
info->cv = CV_4100MV;
break;
case CHRG_CCCV_CV_4150MV:
info->cv = CV_4150MV;
break;
case CHRG_CCCV_CV_4200MV:
info->cv = CV_4200MV;
break;
case CHRG_CCCV_CV_4350MV:
info->cv = CV_4350MV;
break;
}
/* Determine charge current limit */
cc = (ret & CHRG_CCCV_CC_MASK) >> CHRG_CCCV_CC_BIT_POS;
cc = (cc * CHRG_CCCV_CC_LSB_RES) + CHRG_CCCV_CC_OFFSET;
info->cc = cc;
/*
* Do not allow the user to configure higher settings then those
* set by the firmware
*/
info->max_cv = info->cv;
info->max_cc = info->cc;
return 0;
}
static int axp288_charger_probe(struct platform_device *pdev)
@ -821,15 +822,6 @@ static int axp288_charger_probe(struct platform_device *pdev)
info->pdev = pdev;
info->regmap = axp20x->regmap;
info->regmap_irqc = axp20x->regmap_irqc;
info->pdata = pdev->dev.platform_data;
if (!info->pdata) {
/* Try ACPI provided pdata via device properties */
if (!device_property_present(&pdev->dev,
"axp288_charger_data\n"))
dev_err(&pdev->dev, "failed to get platform data\n");
return -ENODEV;
}
info->cable.edev = extcon_get_extcon_dev(AXP288_EXTCON_DEV_NAME);
if (info->cable.edev == NULL) {
@ -910,7 +902,9 @@ static int axp288_charger_probe(struct platform_device *pdev)
}
}
charger_init_hw_regs(info);
ret = charger_init_hw_regs(info);
if (ret)
goto intr_reg_failed;
return 0;

405
drivers/power/supply/axp288_fuel_gauge.c
View File

@ -50,11 +50,6 @@
#define CHRG_CCCV_CV_4350MV 0x3 /* 4.35V */
#define CHRG_CCCV_CHG_EN (1 << 7)
#define CV_4100 4100 /* 4100mV */
#define CV_4150 4150 /* 4150mV */
#define CV_4200 4200 /* 4200mV */
#define CV_4350 4350 /* 4350mV */
#define TEMP_IRQ_CFG_QWBTU (1 << 0)
#define TEMP_IRQ_CFG_WBTU (1 << 1)
#define TEMP_IRQ_CFG_QWBTO (1 << 2)
@ -103,9 +98,7 @@
/* 1.1mV per LSB expressed in uV */
#define VOLTAGE_FROM_ADC(a) ((a * 11) / 10)
/* properties converted to tenths of degrees, uV, uA, uW */
#define PROP_TEMP(a) ((a) * 10)
#define UNPROP_TEMP(a) ((a) / 10)
/* properties converted to uV, uA */
#define PROP_VOLT(a) ((a) * 1000)
#define PROP_CURR(a) ((a) * 1000)
@ -121,13 +114,13 @@ enum {
struct axp288_fg_info {
struct platform_device *pdev;
struct axp20x_fg_pdata *pdata;
struct regmap *regmap;
struct regmap_irq_chip_data *regmap_irqc;
int irq[AXP288_FG_INTR_NUM];
struct power_supply *bat;
struct mutex lock;
int status;
int max_volt;
struct delayed_work status_monitor;
struct dentry *debug_file;
};
@ -137,22 +130,14 @@ static enum power_supply_property fuel_gauge_props[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_VOLTAGE_OCV,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_TEMP_MAX,
POWER_SUPPLY_PROP_TEMP_MIN,
POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_NOW,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_MODEL_NAME,
};
static int fuel_gauge_reg_readb(struct axp288_fg_info *info, int reg)
@ -447,102 +432,6 @@ current_read_fail:
return ret;
}
static int temp_to_adc(struct axp288_fg_info *info, int tval)
{
int rntc = 0, i, ret, adc_val;
int rmin, rmax, tmin, tmax;
int tcsz = info->pdata->tcsz;
/* get the Rntc resitance value for this temp */
if (tval > info->pdata->thermistor_curve[0][1]) {
rntc = info->pdata->thermistor_curve[0][0];
} else if (tval <= info->pdata->thermistor_curve[tcsz-1][1]) {
rntc = info->pdata->thermistor_curve[tcsz-1][0];
} else {
for (i = 1; i < tcsz; i++) {
if (tval > info->pdata->thermistor_curve[i][1]) {
rmin = info->pdata->thermistor_curve[i-1][0];
rmax = info->pdata->thermistor_curve[i][0];
tmin = info->pdata->thermistor_curve[i-1][1];
tmax = info->pdata->thermistor_curve[i][1];
rntc = rmin + ((rmax - rmin) *
(tval - tmin) / (tmax - tmin));
break;
}
}
}
/* we need the current to calculate the proper adc voltage */
ret = fuel_gauge_reg_readb(info, AXP20X_ADC_RATE);
if (ret < 0) {
dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);
ret = 0x30;
}
/*
* temperature is proportional to NTS thermistor resistance
* ADC_RATE[5-4] determines current, 00=20uA,01=40uA,10=60uA,11=80uA
* [12-bit ADC VAL] = R_NTC(Ω) * current / 800
*/
adc_val = rntc * (20 + (20 * ((ret >> 4) & 0x3))) / 800;
return adc_val;
}
static int adc_to_temp(struct axp288_fg_info *info, int adc_val)
{
int ret, r, i, tval = 0;
int rmin, rmax, tmin, tmax;
int tcsz = info->pdata->tcsz;
ret = fuel_gauge_reg_readb(info, AXP20X_ADC_RATE);
if (ret < 0) {
dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);
ret = 0x30;
}
/*
* temperature is proportional to NTS thermistor resistance
* ADC_RATE[5-4] determines current, 00=20uA,01=40uA,10=60uA,11=80uA
* R_NTC(Ω) = [12-bit ADC VAL] * 800 / current
*/
r = adc_val * 800 / (20 + (20 * ((ret >> 4) & 0x3)));
if (r < info->pdata->thermistor_curve[0][0]) {
tval = info->pdata->thermistor_curve[0][1];
} else if (r >= info->pdata->thermistor_curve[tcsz-1][0]) {
tval = info->pdata->thermistor_curve[tcsz-1][1];
} else {
for (i = 1; i < tcsz; i++) {
if (r < info->pdata->thermistor_curve[i][0]) {
rmin = info->pdata->thermistor_curve[i-1][0];
rmax = info->pdata->thermistor_curve[i][0];
tmin = info->pdata->thermistor_curve[i-1][1];
tmax = info->pdata->thermistor_curve[i][1];
tval = tmin + ((tmax - tmin) *
(r - rmin) / (rmax - rmin));
break;
}
}
}
return tval;
}
static int fuel_gauge_get_btemp(struct axp288_fg_info *info, int *btemp)
{
int ret, raw_val = 0;
ret = pmic_read_adc_val("axp288-batt-temp", &raw_val, info);
if (ret < 0)
goto temp_read_fail;
*btemp = adc_to_temp(info, raw_val);
temp_read_fail:
return ret;
}
static int fuel_gauge_get_vocv(struct axp288_fg_info *info, int *vocv)
{
int ret;
@ -556,25 +445,14 @@ static int fuel_gauge_get_vocv(struct axp288_fg_info *info, int *vocv)
static int fuel_gauge_battery_health(struct axp288_fg_info *info)
{
int temp, vocv;
int ret, health = POWER_SUPPLY_HEALTH_UNKNOWN;
ret = fuel_gauge_get_btemp(info, &temp);
if (ret < 0)
goto health_read_fail;
int ret, vocv, health = POWER_SUPPLY_HEALTH_UNKNOWN;
ret = fuel_gauge_get_vocv(info, &vocv);
if (ret < 0)
goto health_read_fail;
if (vocv > info->pdata->max_volt)
if (vocv > info->max_volt)
health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
else if (temp > info->pdata->max_temp)
health = POWER_SUPPLY_HEALTH_OVERHEAT;
else if (temp < info->pdata->min_temp)
health = POWER_SUPPLY_HEALTH_COLD;
else if (vocv < info->pdata->min_volt)
health = POWER_SUPPLY_HEALTH_DEAD;
else
health = POWER_SUPPLY_HEALTH_GOOD;
@ -582,28 +460,6 @@ health_read_fail:
return health;
}
static int fuel_gauge_set_high_btemp_alert(struct axp288_fg_info *info)
{
int ret, adc_val;
/* program temperature threshold as 1/16 ADC value */
adc_val = temp_to_adc(info, info->pdata->max_temp);
ret = fuel_gauge_reg_writeb(info, AXP20X_V_HTF_DISCHRG, adc_val >> 4);
return ret;
}
static int fuel_gauge_set_low_btemp_alert(struct axp288_fg_info *info)
{
int ret, adc_val;
/* program temperature threshold as 1/16 ADC value */
adc_val = temp_to_adc(info, info->pdata->min_temp);
ret = fuel_gauge_reg_writeb(info, AXP20X_V_LTF_DISCHRG, adc_val >> 4);
return ret;
}
static int fuel_gauge_get_property(struct power_supply *ps,
enum power_supply_property prop,
union power_supply_propval *val)
@ -664,20 +520,6 @@ static int fuel_gauge_get_property(struct power_supply *ps,
goto fuel_gauge_read_err;
val->intval = (ret & 0x0f);
break;
case POWER_SUPPLY_PROP_TEMP:
ret = fuel_gauge_get_btemp(info, &value);
if (ret < 0)
goto fuel_gauge_read_err;
val->intval = PROP_TEMP(value);
break;
case POWER_SUPPLY_PROP_TEMP_MAX:
case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
val->intval = PROP_TEMP(info->pdata->max_temp);
break;
case POWER_SUPPLY_PROP_TEMP_MIN:
case POWER_SUPPLY_PROP_TEMP_ALERT_MIN:
val->intval = PROP_TEMP(info->pdata->min_temp);
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
break;
@ -695,17 +537,8 @@ static int fuel_gauge_get_property(struct power_supply *ps,
val->intval = ret * FG_DES_CAP_RES_LSB;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
val->intval = PROP_CURR(info->pdata->design_cap);
break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
val->intval = PROP_VOLT(info->pdata->max_volt);
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
val->intval = PROP_VOLT(info->pdata->min_volt);
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = info->pdata->battid;
val->intval = PROP_VOLT(info->max_volt);
break;
default:
mutex_unlock(&info->lock);
@ -729,35 +562,6 @@ static int fuel_gauge_set_property(struct power_supply *ps,
mutex_lock(&info->lock);
switch (prop) {
case POWER_SUPPLY_PROP_STATUS:
info->status = val->intval;
break;
case POWER_SUPPLY_PROP_TEMP_MIN:
case POWER_SUPPLY_PROP_TEMP_ALERT_MIN:
if ((val->intval < PD_DEF_MIN_TEMP) ||
(val->intval > PD_DEF_MAX_TEMP)) {
ret = -EINVAL;
break;
}
info->pdata->min_temp = UNPROP_TEMP(val->intval);
ret = fuel_gauge_set_low_btemp_alert(info);
if (ret < 0)
dev_err(&info->pdev->dev,
"temp alert min set fail:%d\n", ret);
break;
case POWER_SUPPLY_PROP_TEMP_MAX:
case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
if ((val->intval < PD_DEF_MIN_TEMP) ||
(val->intval > PD_DEF_MAX_TEMP)) {
ret = -EINVAL;
break;
}
info->pdata->max_temp = UNPROP_TEMP(val->intval);
ret = fuel_gauge_set_high_btemp_alert(info);
if (ret < 0)
dev_err(&info->pdev->dev,
"temp alert max set fail:%d\n", ret);
break;
case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
if ((val->intval < 0) || (val->intval > 15)) {
ret = -EINVAL;
@ -785,11 +589,6 @@ static int fuel_gauge_property_is_writeable(struct power_supply *psy,
int ret;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
case POWER_SUPPLY_PROP_TEMP_MIN:
case POWER_SUPPLY_PROP_TEMP_ALERT_MIN:
case POWER_SUPPLY_PROP_TEMP_MAX:
case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
ret = 1;
break;
@ -874,158 +673,6 @@ static const struct power_supply_desc fuel_gauge_desc = {
.external_power_changed = fuel_gauge_external_power_changed,
};
static int fuel_gauge_set_lowbatt_thresholds(struct axp288_fg_info *info)
{
int ret;
u8 reg_val;
ret = fuel_gauge_reg_readb(info, AXP20X_FG_RES);
if (ret < 0) {
dev_err(&info->pdev->dev, "%s:read err:%d\n", __func__, ret);
return ret;
}
ret = (ret & FG_REP_CAP_VAL_MASK);
if (ret > FG_LOW_CAP_WARN_THR)
reg_val = FG_LOW_CAP_WARN_THR;
else if (ret > FG_LOW_CAP_CRIT_THR)
reg_val = FG_LOW_CAP_CRIT_THR;
else
reg_val = FG_LOW_CAP_SHDN_THR;
reg_val |= FG_LOW_CAP_THR1_VAL;
ret = fuel_gauge_reg_writeb(info, AXP288_FG_LOW_CAP_REG, reg_val);
if (ret < 0)
dev_err(&info->pdev->dev, "%s:write err:%d\n", __func__, ret);
return ret;
}
static int fuel_gauge_program_vbatt_full(struct axp288_fg_info *info)
{
int ret;
u8 val;
ret = fuel_gauge_reg_readb(info, AXP20X_CHRG_CTRL1);
if (ret < 0)
goto fg_prog_ocv_fail;
else
val = (ret & ~CHRG_CCCV_CV_MASK);
switch (info->pdata->max_volt) {
case CV_4100:
val |= (CHRG_CCCV_CV_4100MV << CHRG_CCCV_CV_BIT_POS);
break;
case CV_4150:
val |= (CHRG_CCCV_CV_4150MV << CHRG_CCCV_CV_BIT_POS);
break;
case CV_4200:
val |= (CHRG_CCCV_CV_4200MV << CHRG_CCCV_CV_BIT_POS);
break;
case CV_4350:
val |= (CHRG_CCCV_CV_4350MV << CHRG_CCCV_CV_BIT_POS);
break;
default:
val |= (CHRG_CCCV_CV_4200MV << CHRG_CCCV_CV_BIT_POS);
break;
}
ret = fuel_gauge_reg_writeb(info, AXP20X_CHRG_CTRL1, val);
fg_prog_ocv_fail:
return ret;
}
static int fuel_gauge_program_design_cap(struct axp288_fg_info *info)
{
int ret;
ret = fuel_gauge_reg_writeb(info,
AXP288_FG_DES_CAP1_REG, info->pdata->cap1);
if (ret < 0)
goto fg_prog_descap_fail;
ret = fuel_gauge_reg_writeb(info,
AXP288_FG_DES_CAP0_REG, info->pdata->cap0);
fg_prog_descap_fail:
return ret;
}
static int fuel_gauge_program_ocv_curve(struct axp288_fg_info *info)
{
int ret = 0, i;
for (i = 0; i < OCV_CURVE_SIZE; i++) {
ret = fuel_gauge_reg_writeb(info,
AXP288_FG_OCV_CURVE_REG + i, info->pdata->ocv_curve[i]);
if (ret < 0)
goto fg_prog_ocv_fail;
}
fg_prog_ocv_fail:
return ret;
}
static int fuel_gauge_program_rdc_vals(struct axp288_fg_info *info)
{
int ret;
ret = fuel_gauge_reg_writeb(info,
AXP288_FG_RDC1_REG, info->pdata->rdc1);
if (ret < 0)
goto fg_prog_ocv_fail;
ret = fuel_gauge_reg_writeb(info,
AXP288_FG_RDC0_REG, info->pdata->rdc0);
fg_prog_ocv_fail:
return ret;
}
static void fuel_gauge_init_config_regs(struct axp288_fg_info *info)
{
int ret;
/*
* check if the config data is already
* programmed and if so just return.
*/
ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);
if (ret < 0) {
dev_warn(&info->pdev->dev, "CAP1 reg read err!!\n");
} else if (!(ret & FG_DES_CAP1_VALID)) {
dev_info(&info->pdev->dev, "FG data needs to be initialized\n");
} else {
dev_info(&info->pdev->dev, "FG data is already initialized\n");
return;
}
ret = fuel_gauge_program_vbatt_full(info);
if (ret < 0)
dev_err(&info->pdev->dev, "set vbatt full fail:%d\n", ret);
ret = fuel_gauge_program_design_cap(info);
if (ret < 0)
dev_err(&info->pdev->dev, "set design cap fail:%d\n", ret);
ret = fuel_gauge_program_rdc_vals(info);
if (ret < 0)
dev_err(&info->pdev->dev, "set rdc fail:%d\n", ret);
ret = fuel_gauge_program_ocv_curve(info);
if (ret < 0)
dev_err(&info->pdev->dev, "set ocv curve fail:%d\n", ret);
ret = fuel_gauge_set_lowbatt_thresholds(info);
if (ret < 0)
dev_err(&info->pdev->dev, "lowbatt thr set fail:%d\n", ret);
ret = fuel_gauge_reg_writeb(info, AXP20X_CC_CTRL, 0xef);
if (ret < 0)
dev_err(&info->pdev->dev, "gauge cntl set fail:%d\n", ret);
}
static void fuel_gauge_init_irq(struct axp288_fg_info *info)
{
int ret, i, pirq;
@ -1065,17 +712,8 @@ intr_failed:
static void fuel_gauge_init_hw_regs(struct axp288_fg_info *info)
{
int ret;
unsigned int val;
ret = fuel_gauge_set_high_btemp_alert(info);
if (ret < 0)
dev_err(&info->pdev->dev, "high batt temp set fail:%d\n", ret);
ret = fuel_gauge_set_low_btemp_alert(info);
if (ret < 0)
dev_err(&info->pdev->dev, "low batt temp set fail:%d\n", ret);
/* enable interrupts */
val = fuel_gauge_reg_readb(info, AXP20X_IRQ3_EN);
val |= TEMP_IRQ_CFG_MASK;
@ -1101,15 +739,39 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
info->regmap = axp20x->regmap;
info->regmap_irqc = axp20x->regmap_irqc;
info->status = POWER_SUPPLY_STATUS_UNKNOWN;
info->pdata = pdev->dev.platform_data;
if (!info->pdata)
return -ENODEV;
platform_set_drvdata(pdev, info);
mutex_init(&info->lock);
INIT_DELAYED_WORK(&info->status_monitor, fuel_gauge_status_monitor);
ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);
if (ret < 0)
return ret;
if (!(ret & FG_DES_CAP1_VALID)) {
dev_err(&pdev->dev, "axp288 not configured by firmware\n");
return -ENODEV;
}
ret = fuel_gauge_reg_readb(info, AXP20X_CHRG_CTRL1);
if (ret < 0)
return ret;
switch ((ret & CHRG_CCCV_CV_MASK) >> CHRG_CCCV_CV_BIT_POS) {
case CHRG_CCCV_CV_4100MV:
info->max_volt = 4100;
break;
case CHRG_CCCV_CV_4150MV:
info->max_volt = 4150;
break;
case CHRG_CCCV_CV_4200MV:
info->max_volt = 4200;
break;
case CHRG_CCCV_CV_4350MV:
info->max_volt = 4350;
break;
}
psy_cfg.drv_data = info;
info->bat = power_supply_register(&pdev->dev, &fuel_gauge_desc, &psy_cfg);
if (IS_ERR(info->bat)) {
@ -1119,12 +781,11 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
}
fuel_gauge_create_debugfs(info);
fuel_gauge_init_config_regs(info);
fuel_gauge_init_irq(info);
fuel_gauge_init_hw_regs(info);
schedule_delayed_work(&info->status_monitor, STATUS_MON_DELAY_JIFFIES);
return ret;
return 0;
}
static const struct platform_device_id axp288_fg_id_table[] = {

29
include/linux/mfd/axp20x.h
View File

@ -532,35 +532,6 @@ struct axp20x_dev {
const struct regmap_irq_chip *regmap_irq_chip;
};
#define BATTID_LEN 64
#define OCV_CURVE_SIZE 32
#define MAX_THERM_CURVE_SIZE 25
#define PD_DEF_MIN_TEMP 0
#define PD_DEF_MAX_TEMP 55
struct axp20x_fg_pdata {
char battid[BATTID_LEN + 1];
int design_cap;
int min_volt;
int max_volt;
int max_temp;
int min_temp;
int cap1;
int cap0;
int rdc1;
int rdc0;
int ocv_curve[OCV_CURVE_SIZE];
int tcsz;
int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
};
struct axp20x_chrg_pdata {
int max_cc;
int max_cv;
int def_cc;
int def_cv;
};
struct axp288_extcon_pdata {
/* GPIO pin control to switch D+/D- lines b/w PMIC and SOC */
struct gpio_desc *gpio_mux_cntl;