* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
+ * Datasheets:
+ * http://www.ti.com/product/bq24250
+ * http://www.ti.com/product/bq24251
+ * http://www.ti.com/product/bq24257
*/
#include <linux/module.h>
#define BQ24257_REG_7 0x06
#define BQ24257_MANUFACTURER "Texas Instruments"
-#define BQ24257_STAT_IRQ "stat"
#define BQ24257_PG_GPIO "pg"
#define BQ24257_ILIM_SET_DELAY 1000 /* msec */
+/*
+ * When adding support for new devices make sure that enum bq2425x_chip and
+ * bq2425x_chip_name[] always stay in sync!
+ */
+enum bq2425x_chip {
+ BQ24250,
+ BQ24251,
+ BQ24257,
+};
+
+static const char *const bq2425x_chip_name[] = {
+ "bq24250",
+ "bq24251",
+ "bq24257",
+};
+
enum bq24257_fields {
F_WD_FAULT, F_WD_EN, F_STAT, F_FAULT, /* REG 1 */
F_RESET, F_IILIMIT, F_EN_STAT, F_EN_TERM, F_CE, F_HZ_MODE, /* REG 2 */
F_VBAT, F_USB_DET, /* REG 3 */
F_ICHG, F_ITERM, /* REG 4 */
F_LOOP_STATUS, F_LOW_CHG, F_DPDM_EN, F_CE_STATUS, F_VINDPM, /* REG 5 */
- F_X2_TMR_EN, F_TMR, F_SYSOFF, F_TS_STAT, /* REG 6 */
+ F_X2_TMR_EN, F_TMR, F_SYSOFF, F_TS_EN, F_TS_STAT, /* REG 6 */
F_VOVP, F_CLR_VDP, F_FORCE_BATDET, F_FORCE_PTM, /* REG 7 */
F_MAX_FIELDS
u8 ichg; /* charge current */
u8 vbat; /* regulation voltage */
u8 iterm; /* termination current */
+ u8 iilimit; /* input current limit */
+ u8 vovp; /* over voltage protection voltage */
+ u8 vindpm; /* VDMP input threshold voltage */
};
struct bq24257_state {
struct device *dev;
struct power_supply *charger;
+ enum bq2425x_chip chip;
+
struct regmap *rmap;
struct regmap_field *rmap_fields[F_MAX_FIELDS];
struct bq24257_state state;
struct mutex lock; /* protect state data */
+
+ bool iilimit_autoset_enable;
};
static bool bq24257_is_volatile_reg(struct device *dev, unsigned int reg)
[F_X2_TMR_EN] = REG_FIELD(BQ24257_REG_6, 7, 7),
[F_TMR] = REG_FIELD(BQ24257_REG_6, 5, 6),
[F_SYSOFF] = REG_FIELD(BQ24257_REG_6, 4, 4),
+ [F_TS_EN] = REG_FIELD(BQ24257_REG_6, 3, 3),
[F_TS_STAT] = REG_FIELD(BQ24257_REG_6, 0, 2),
/* REG 7 */
[F_VOVP] = REG_FIELD(BQ24257_REG_7, 5, 7),
#define BQ24257_ITERM_MAP_SIZE ARRAY_SIZE(bq24257_iterm_map)
+static const u32 bq24257_iilimit_map[] = {
+ 100000, 150000, 500000, 900000, 1500000, 2000000
+};
+
+#define BQ24257_IILIMIT_MAP_SIZE ARRAY_SIZE(bq24257_iilimit_map)
+
+static const u32 bq24257_vovp_map[] = {
+ 6000000, 6500000, 7000000, 8000000, 9000000, 9500000, 10000000,
+ 10500000
+};
+
+#define BQ24257_VOVP_MAP_SIZE ARRAY_SIZE(bq24257_vovp_map)
+
+static const u32 bq24257_vindpm_map[] = {
+ 4200000, 4280000, 4360000, 4440000, 4520000, 4600000, 4680000,
+ 4760000
+};
+
+#define BQ24257_VINDPM_MAP_SIZE ARRAY_SIZE(bq24257_vindpm_map)
+
static int bq24257_field_read(struct bq24257_device *bq,
enum bq24257_fields field_id)
{
FAULT_INPUT_LDO_LOW,
};
+static int bq24257_get_input_current_limit(struct bq24257_device *bq,
+ union power_supply_propval *val)
+{
+ int ret;
+
+ ret = bq24257_field_read(bq, F_IILIMIT);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * The "External ILIM" and "Production & Test" modes are not exposed
+ * through this driver and not being covered by the lookup table.
+ * Should such a mode have become active let's return an error rather
+ * than exceeding the bounds of the lookup table and returning
+ * garbage.
+ */
+ if (ret >= BQ24257_IILIMIT_MAP_SIZE)
+ return -ENODATA;
+
+ val->intval = bq24257_iilimit_map[ret];
+
+ return 0;
+}
+
+static int bq24257_set_input_current_limit(struct bq24257_device *bq,
+ const union power_supply_propval *val)
+{
+ /*
+ * Address the case where the user manually sets an input current limit
+ * while the charger auto-detection mechanism is is active. In this
+ * case we want to abort and go straight to the user-specified value.
+ */
+ if (bq->iilimit_autoset_enable)
+ cancel_delayed_work_sync(&bq->iilimit_setup_work);
+
+ return bq24257_field_write(bq, F_IILIMIT,
+ bq24257_find_idx(val->intval,
+ bq24257_iilimit_map,
+ BQ24257_IILIMIT_MAP_SIZE));
+}
+
static int bq24257_power_supply_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
val->strval = BQ24257_MANUFACTURER;
break;
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = bq2425x_chip_name[bq->chip];
+ break;
+
case POWER_SUPPLY_PROP_ONLINE:
val->intval = state.power_good;
break;
val->intval = bq24257_iterm_map[bq->init_data.iterm];
break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ return bq24257_get_input_current_limit(bq, val);
+
default:
return -EINVAL;
}
return 0;
}
+static int bq24257_power_supply_set_property(struct power_supply *psy,
+ enum power_supply_property prop,
+ const union power_supply_propval *val)
+{
+ struct bq24257_device *bq = power_supply_get_drvdata(psy);
+
+ switch (prop) {
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ return bq24257_set_input_current_limit(bq, val);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int bq24257_power_supply_property_is_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ return true;
+ default:
+ return false;
+ }
+}
+
static int bq24257_get_chip_state(struct bq24257_device *bq,
struct bq24257_state *state)
{
state->fault = ret;
- state->power_good = !gpiod_get_value_cansleep(bq->pg);
+ if (bq->pg)
+ state->power_good = !gpiod_get_value_cansleep(bq->pg);
+ else
+ /*
+ * If we have a chip without a dedicated power-good GPIO or
+ * some other explicit bit that would provide this information
+ * assume the power is good if there is no supply related
+ * fault - and not good otherwise. There is a possibility for
+ * other errors to mask that power in fact is not good but this
+ * is probably the best we can do here.
+ */
+ switch (state->fault) {
+ case FAULT_INPUT_OVP:
+ case FAULT_INPUT_UVLO:
+ case FAULT_INPUT_LDO_LOW:
+ state->power_good = false;
+ break;
+ default:
+ state->power_good = true;
+ }
return 0;
}
IILIMIT_NONE,
};
+enum bq24257_vovp {
+ VOVP_6000,
+ VOVP_6500,
+ VOVP_7000,
+ VOVP_8000,
+ VOVP_9000,
+ VOVP_9500,
+ VOVP_10000,
+ VOVP_10500
+};
+
+enum bq24257_vindpm {
+ VINDPM_4200,
+ VINDPM_4280,
+ VINDPM_4360,
+ VINDPM_4440,
+ VINDPM_4520,
+ VINDPM_4600,
+ VINDPM_4680,
+ VINDPM_4760
+};
+
enum bq24257_port_type {
PORT_TYPE_DCP, /* Dedicated Charging Port */
PORT_TYPE_CDP, /* Charging Downstream Port */
{
int ret;
struct bq24257_state old_state;
- bool reset_iilimit = false;
- bool config_iilimit = false;
mutex_lock(&bq->lock);
old_state = bq->state;
mutex_unlock(&bq->lock);
- if (!new_state->power_good) { /* power removed */
- cancel_delayed_work_sync(&bq->iilimit_setup_work);
-
- /* activate D+/D- port detection algorithm */
- ret = bq24257_field_write(bq, F_DPDM_EN, 1);
+ /*
+ * Handle BQ2425x state changes observing whether the D+/D- based input
+ * current limit autoset functionality is enabled.
+ */
+ if (!new_state->power_good) {
+ dev_dbg(bq->dev, "Power removed\n");
+ if (bq->iilimit_autoset_enable) {
+ cancel_delayed_work_sync(&bq->iilimit_setup_work);
+
+ /* activate D+/D- port detection algorithm */
+ ret = bq24257_field_write(bq, F_DPDM_EN, 1);
+ if (ret < 0)
+ goto error;
+ }
+ /*
+ * When power is removed always return to the default input
+ * current limit as configured during probe.
+ */
+ ret = bq24257_field_write(bq, F_IILIMIT, bq->init_data.iilimit);
if (ret < 0)
goto error;
+ } else if (!old_state.power_good) {
+ dev_dbg(bq->dev, "Power inserted\n");
- reset_iilimit = true;
- } else if (!old_state.power_good) { /* power inserted */
- config_iilimit = true;
- } else if (new_state->fault == FAULT_NO_BAT) { /* battery removed */
- cancel_delayed_work_sync(&bq->iilimit_setup_work);
-
- reset_iilimit = true;
- } else if (old_state.fault == FAULT_NO_BAT) { /* battery connected */
- config_iilimit = true;
- } else if (new_state->fault == FAULT_TIMER) { /* safety timer expired */
- dev_err(bq->dev, "Safety timer expired! Battery dead?\n");
- }
-
- if (reset_iilimit) {
- ret = bq24257_field_write(bq, F_IILIMIT, IILIMIT_500);
- if (ret < 0)
- goto error;
- } else if (config_iilimit) {
- schedule_delayed_work(&bq->iilimit_setup_work,
+ if (bq->iilimit_autoset_enable)
+ /* configure input current limit */
+ schedule_delayed_work(&bq->iilimit_setup_work,
msecs_to_jiffies(BQ24257_ILIM_SET_DELAY));
+ } else if (new_state->fault == FAULT_NO_BAT) {
+ dev_warn(bq->dev, "Battery removed\n");
+ } else if (new_state->fault == FAULT_TIMER) {
+ dev_err(bq->dev, "Safety timer expired! Battery dead?\n");
}
return;
} init_data[] = {
{F_ICHG, bq->init_data.ichg},
{F_VBAT, bq->init_data.vbat},
- {F_ITERM, bq->init_data.iterm}
+ {F_ITERM, bq->init_data.iterm},
+ {F_VOVP, bq->init_data.vovp},
+ {F_VINDPM, bq->init_data.vindpm},
};
/*
bq->state = state;
mutex_unlock(&bq->lock);
- if (!state.power_good)
+ if (!bq->iilimit_autoset_enable) {
+ dev_dbg(bq->dev, "manually setting iilimit = %u\n",
+ bq->init_data.iilimit);
+
+ /* program fixed input current limit */
+ ret = bq24257_field_write(bq, F_IILIMIT,
+ bq->init_data.iilimit);
+ if (ret < 0)
+ return ret;
+ } else if (!state.power_good)
/* activate D+/D- detection algorithm */
ret = bq24257_field_write(bq, F_DPDM_EN, 1);
else if (state.fault != FAULT_NO_BAT)
static enum power_supply_property bq24257_power_supply_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
+ POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
};
static char *bq24257_charger_supplied_to[] = {
.properties = bq24257_power_supply_props,
.num_properties = ARRAY_SIZE(bq24257_power_supply_props),
.get_property = bq24257_power_supply_get_property,
+ .set_property = bq24257_power_supply_set_property,
+ .property_is_writeable = bq24257_power_supply_property_is_writeable,
};
-static int bq24257_power_supply_init(struct bq24257_device *bq)
+static ssize_t bq24257_show_ovp_voltage(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- struct power_supply_config psy_cfg = { .drv_data = bq, };
+ struct power_supply *psy = dev_get_drvdata(dev);
+ struct bq24257_device *bq = power_supply_get_drvdata(psy);
- psy_cfg.supplied_to = bq24257_charger_supplied_to;
- psy_cfg.num_supplicants = ARRAY_SIZE(bq24257_charger_supplied_to);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ bq24257_vovp_map[bq->init_data.vovp]);
+}
- bq->charger = power_supply_register(bq->dev, &bq24257_power_supply_desc,
- &psy_cfg);
- if (IS_ERR(bq->charger))
- return PTR_ERR(bq->charger);
+static ssize_t bq24257_show_in_dpm_voltage(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct power_supply *psy = dev_get_drvdata(dev);
+ struct bq24257_device *bq = power_supply_get_drvdata(psy);
- return 0;
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ bq24257_vindpm_map[bq->init_data.vindpm]);
}
-static int bq24257_irq_probe(struct bq24257_device *bq)
+static ssize_t bq24257_sysfs_show_enable(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- struct gpio_desc *stat_irq;
+ struct power_supply *psy = dev_get_drvdata(dev);
+ struct bq24257_device *bq = power_supply_get_drvdata(psy);
+ int ret;
- stat_irq = devm_gpiod_get_index(bq->dev, BQ24257_STAT_IRQ, 0, GPIOD_IN);
- if (IS_ERR(stat_irq)) {
- dev_err(bq->dev, "could not probe stat_irq pin\n");
- return PTR_ERR(stat_irq);
- }
+ if (strcmp(attr->attr.name, "high_impedance_enable") == 0)
+ ret = bq24257_field_read(bq, F_HZ_MODE);
+ else if (strcmp(attr->attr.name, "sysoff_enable") == 0)
+ ret = bq24257_field_read(bq, F_SYSOFF);
+ else
+ return -EINVAL;
- return gpiod_to_irq(stat_irq);
+ if (ret < 0)
+ return ret;
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ret);
}
-static int bq24257_pg_gpio_probe(struct bq24257_device *bq)
+static ssize_t bq24257_sysfs_set_enable(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
{
- bq->pg = devm_gpiod_get_index(bq->dev, BQ24257_PG_GPIO, 0, GPIOD_IN);
- if (IS_ERR(bq->pg)) {
- dev_err(bq->dev, "could not probe PG pin\n");
- return PTR_ERR(bq->pg);
+ struct power_supply *psy = dev_get_drvdata(dev);
+ struct bq24257_device *bq = power_supply_get_drvdata(psy);
+ long val;
+ int ret;
+
+ if (kstrtol(buf, 10, &val) < 0)
+ return -EINVAL;
+
+ if (strcmp(attr->attr.name, "high_impedance_enable") == 0)
+ ret = bq24257_field_write(bq, F_HZ_MODE, (bool)val);
+ else if (strcmp(attr->attr.name, "sysoff_enable") == 0)
+ ret = bq24257_field_write(bq, F_SYSOFF, (bool)val);
+ else
+ return -EINVAL;
+
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static DEVICE_ATTR(ovp_voltage, S_IRUGO, bq24257_show_ovp_voltage, NULL);
+static DEVICE_ATTR(in_dpm_voltage, S_IRUGO, bq24257_show_in_dpm_voltage, NULL);
+static DEVICE_ATTR(high_impedance_enable, S_IWUSR | S_IRUGO,
+ bq24257_sysfs_show_enable, bq24257_sysfs_set_enable);
+static DEVICE_ATTR(sysoff_enable, S_IWUSR | S_IRUGO,
+ bq24257_sysfs_show_enable, bq24257_sysfs_set_enable);
+
+static struct attribute *bq24257_charger_attr[] = {
+ &dev_attr_ovp_voltage.attr,
+ &dev_attr_in_dpm_voltage.attr,
+ &dev_attr_high_impedance_enable.attr,
+ &dev_attr_sysoff_enable.attr,
+ NULL,
+};
+
+static const struct attribute_group bq24257_attr_group = {
+ .attrs = bq24257_charger_attr,
+};
+
+static int bq24257_power_supply_init(struct bq24257_device *bq)
+{
+ struct power_supply_config psy_cfg = { .drv_data = bq, };
+
+ psy_cfg.supplied_to = bq24257_charger_supplied_to;
+ psy_cfg.num_supplicants = ARRAY_SIZE(bq24257_charger_supplied_to);
+
+ bq->charger = devm_power_supply_register(bq->dev,
+ &bq24257_power_supply_desc,
+ &psy_cfg);
+
+ return PTR_ERR_OR_ZERO(bq->charger);
+}
+
+static void bq24257_pg_gpio_probe(struct bq24257_device *bq)
+{
+ bq->pg = devm_gpiod_get_optional(bq->dev, BQ24257_PG_GPIO, GPIOD_IN);
+
+ if (PTR_ERR(bq->pg) == -EPROBE_DEFER) {
+ dev_info(bq->dev, "probe retry requested for PG pin\n");
+ return;
+ } else if (IS_ERR(bq->pg)) {
+ dev_err(bq->dev, "error probing PG pin\n");
+ bq->pg = NULL;
+ return;
}
- return 0;
+ if (bq->pg)
+ dev_dbg(bq->dev, "probed PG pin = %d\n", desc_to_gpio(bq->pg));
}
static int bq24257_fw_probe(struct bq24257_device *bq)
int ret;
u32 property;
+ /* Required properties */
ret = device_property_read_u32(bq->dev, "ti,charge-current", &property);
if (ret < 0)
return ret;
bq->init_data.iterm = bq24257_find_idx(property, bq24257_iterm_map,
BQ24257_ITERM_MAP_SIZE);
+ /* Optional properties. If not provided use reasonable default. */
+ ret = device_property_read_u32(bq->dev, "ti,current-limit",
+ &property);
+ if (ret < 0) {
+ bq->iilimit_autoset_enable = true;
+
+ /*
+ * Explicitly set a default value which will be needed for
+ * devices that don't support the automatic setting of the input
+ * current limit through the charger type detection mechanism.
+ */
+ bq->init_data.iilimit = IILIMIT_500;
+ } else
+ bq->init_data.iilimit =
+ bq24257_find_idx(property,
+ bq24257_iilimit_map,
+ BQ24257_IILIMIT_MAP_SIZE);
+
+ ret = device_property_read_u32(bq->dev, "ti,ovp-voltage",
+ &property);
+ if (ret < 0)
+ bq->init_data.vovp = VOVP_6500;
+ else
+ bq->init_data.vovp = bq24257_find_idx(property,
+ bq24257_vovp_map,
+ BQ24257_VOVP_MAP_SIZE);
+
+ ret = device_property_read_u32(bq->dev, "ti,in-dpm-voltage",
+ &property);
+ if (ret < 0)
+ bq->init_data.vindpm = VINDPM_4360;
+ else
+ bq->init_data.vindpm =
+ bq24257_find_idx(property,
+ bq24257_vindpm_map,
+ BQ24257_VINDPM_MAP_SIZE);
+
return 0;
}
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct device *dev = &client->dev;
+ const struct acpi_device_id *acpi_id;
struct bq24257_device *bq;
int ret;
int i;
bq->client = client;
bq->dev = dev;
+ if (ACPI_HANDLE(dev)) {
+ acpi_id = acpi_match_device(dev->driver->acpi_match_table,
+ &client->dev);
+ if (!acpi_id) {
+ dev_err(dev, "Failed to match ACPI device\n");
+ return -ENODEV;
+ }
+ bq->chip = (enum bq2425x_chip)acpi_id->driver_data;
+ } else {
+ bq->chip = (enum bq2425x_chip)id->driver_data;
+ }
+
mutex_init(&bq->lock);
bq->rmap = devm_regmap_init_i2c(client, &bq24257_regmap_config);
i2c_set_clientdata(client, bq);
- INIT_DELAYED_WORK(&bq->iilimit_setup_work, bq24257_iilimit_setup_work);
-
if (!dev->platform_data) {
ret = bq24257_fw_probe(bq);
if (ret < 0) {
return -ENODEV;
}
- /* we can only check Power Good status by probing the PG pin */
- ret = bq24257_pg_gpio_probe(bq);
- if (ret < 0)
- return ret;
+ /*
+ * The BQ24250 doesn't support the D+/D- based charger type detection
+ * used for the automatic setting of the input current limit setting so
+ * explicitly disable that feature.
+ */
+ if (bq->chip == BQ24250)
+ bq->iilimit_autoset_enable = false;
+
+ if (bq->iilimit_autoset_enable)
+ INIT_DELAYED_WORK(&bq->iilimit_setup_work,
+ bq24257_iilimit_setup_work);
+
+ /*
+ * The BQ24250 doesn't have a dedicated Power Good (PG) pin so let's
+ * not probe for it and instead use a SW-based approach to determine
+ * the PG state. We also use a SW-based approach for all other devices
+ * if the PG pin is either not defined or can't be probed.
+ */
+ if (bq->chip != BQ24250)
+ bq24257_pg_gpio_probe(bq);
+
+ if (PTR_ERR(bq->pg) == -EPROBE_DEFER)
+ return PTR_ERR(bq->pg);
+ else if (!bq->pg)
+ dev_info(bq->dev, "using SW-based power-good detection\n");
/* reset all registers to defaults */
ret = bq24257_field_write(bq, F_RESET, 1);
return ret;
}
- if (client->irq <= 0)
- client->irq = bq24257_irq_probe(bq);
-
- if (client->irq < 0) {
- dev_err(dev, "no irq resource found\n");
- return client->irq;
- }
-
ret = devm_request_threaded_irq(dev, client->irq, NULL,
bq24257_irq_handler_thread,
IRQF_TRIGGER_FALLING |
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
- BQ24257_STAT_IRQ, bq);
- if (ret)
+ bq2425x_chip_name[bq->chip], bq);
+ if (ret) {
+ dev_err(dev, "Failed to request IRQ #%d\n", client->irq);
return ret;
+ }
ret = bq24257_power_supply_init(bq);
- if (ret < 0)
+ if (ret < 0) {
dev_err(dev, "Failed to register power supply\n");
+ return ret;
+ }
- return ret;
+ ret = sysfs_create_group(&bq->charger->dev.kobj, &bq24257_attr_group);
+ if (ret < 0) {
+ dev_err(dev, "Can't create sysfs entries\n");
+ return ret;
+ }
+
+ return 0;
}
static int bq24257_remove(struct i2c_client *client)
{
struct bq24257_device *bq = i2c_get_clientdata(client);
- cancel_delayed_work_sync(&bq->iilimit_setup_work);
+ if (bq->iilimit_autoset_enable)
+ cancel_delayed_work_sync(&bq->iilimit_setup_work);
- power_supply_unregister(bq->charger);
+ sysfs_remove_group(&bq->charger->dev.kobj, &bq24257_attr_group);
bq24257_field_write(bq, F_RESET, 1); /* reset to defaults */
struct bq24257_device *bq = dev_get_drvdata(dev);
int ret = 0;
- cancel_delayed_work_sync(&bq->iilimit_setup_work);
+ if (bq->iilimit_autoset_enable)
+ cancel_delayed_work_sync(&bq->iilimit_setup_work);
/* reset all registers to default (and activate standalone mode) */
ret = bq24257_field_write(bq, F_RESET, 1);
};
static const struct i2c_device_id bq24257_i2c_ids[] = {
- { "bq24257", 0 },
+ { "bq24250", BQ24250 },
+ { "bq24251", BQ24251 },
+ { "bq24257", BQ24257 },
{},
};
MODULE_DEVICE_TABLE(i2c, bq24257_i2c_ids);
static const struct of_device_id bq24257_of_match[] = {
+ { .compatible = "ti,bq24250", },
+ { .compatible = "ti,bq24251", },
{ .compatible = "ti,bq24257", },
{ },
};
MODULE_DEVICE_TABLE(of, bq24257_of_match);
static const struct acpi_device_id bq24257_acpi_match[] = {
- {"BQ242570", 0},
+ { "BQ242500", BQ24250 },
+ { "BQ242510", BQ24251 },
+ { "BQ242570", BQ24257 },
{},
};
MODULE_DEVICE_TABLE(acpi, bq24257_acpi_match);
projects / firefly-linux-kernel-4.4.55.git / blobdiff