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- // SPDX-License-Identifier: GPL-2.0-or-later
- //
- // Copyright (C) 2018 ROHM Semiconductors
- //
- // power-supply driver for ROHM BD70528 PMIC
- /*
- * BD70528 charger HW state machine.
- *
- * The thermal shutdown state is not drawn. From any other state but
- * battery error and suspend it is possible to go to TSD/TMP states
- * if temperature is out of bounds.
- *
- * CHG_RST = H
- * or CHG_EN=L
- * or (DCIN2_UVLO=L && DCIN1_UVLO=L)
- * or (DCIN2_OVLO=H & DCIN1_UVKLO=L)
- *
- * +--------------+ +--------------+
- * | | | |
- * | Any state +-------> | Suspend |
- * | | | |
- * +--------------+ +------+-------+
- * |
- * CHG_EN = H && BAT_DET = H && |
- * No errors (temp, bat_ov, UVLO, |
- * OVLO...) |
- * |
- * BAT_OV or +---------v----------+
- * (DBAT && TTRI) | |
- * +-----------------+ Trickle Charge | <---------------+
- * | | | |
- * | +-------+------------+ |
- * | | |
- * | | ^ |
- * | V_BAT > VTRI_TH | | VBAT < VTRI_TH - 50mV |
- * | | | |
- * | v | |
- * | | |
- * | BAT_OV or +----------+----+ |
- * | (DBAT && TFST) | | |
- * | +----------------+ Fast Charge | |
- * | | | | |
- * v v +----+----------+ |
- * | |
- *+----------------+ ILIM_DET=L | ^ ILIM_DET |
- *| | & CV_DET=H | | or CV_DET=L |
- *| Battery Error | & VBAT > | | or VBAT < VRECHG_TH |
- *| | VRECHG_TH | | or IBAT > IFST/x |
- *+----------------+ & IBAT < | | |
- * IFST/x v | |
- * ^ | |
- * | +---------+-+ |
- * | | | |
- * +-------------------+ Top OFF | |
- * BAT_OV = H or | | |
- * (DBAT && TFST) +-----+-----+ |
- * | |
- * Stay top-off for 15s | |
- * v |
- * |
- * +--------+ |
- * | | |
- * | Done +-------------------------+
- * | |
- * +--------+ VBAT < VRECHG_TH
- */
- #include <linux/kernel.h>
- #include <linux/interrupt.h>
- #include <linux/mfd/rohm-bd70528.h>
- #include <linux/module.h>
- #include <linux/platform_device.h>
- #include <linux/power_supply.h>
- #include <linux/linear_range.h>
- #define CHG_STAT_SUSPEND 0x0
- #define CHG_STAT_TRICKLE 0x1
- #define CHG_STAT_FAST 0x3
- #define CHG_STAT_TOPOFF 0xe
- #define CHG_STAT_DONE 0xf
- #define CHG_STAT_OTP_TRICKLE 0x10
- #define CHG_STAT_OTP_FAST 0x11
- #define CHG_STAT_OTP_DONE 0x12
- #define CHG_STAT_TSD_TRICKLE 0x20
- #define CHG_STAT_TSD_FAST 0x21
- #define CHG_STAT_TSD_TOPOFF 0x22
- #define CHG_STAT_BAT_ERR 0x7f
- static const char *bd70528_charger_model = "BD70528";
- static const char *bd70528_charger_manufacturer = "ROHM Semiconductors";
- #define BD_ERR_IRQ_HND(_name_, _wrn_) \
- static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \
- { \
- struct power_supply *psy = (struct power_supply *)arg; \
- \
- power_supply_changed(psy); \
- dev_err(&psy->dev, (_wrn_)); \
- \
- return IRQ_HANDLED; \
- }
- #define BD_INFO_IRQ_HND(_name_, _wrn_) \
- static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \
- { \
- struct power_supply *psy = (struct power_supply *)arg; \
- \
- power_supply_changed(psy); \
- dev_dbg(&psy->dev, (_wrn_)); \
- \
- return IRQ_HANDLED; \
- }
- #define BD_IRQ_HND(_name_) bd0528_##_name_##_interrupt
- struct bd70528_psy {
- struct regmap *regmap;
- struct device *dev;
- struct power_supply *psy;
- };
- BD_ERR_IRQ_HND(BAT_OV_DET, "Battery overvoltage detected\n");
- BD_ERR_IRQ_HND(DBAT_DET, "Dead battery detected\n");
- BD_ERR_IRQ_HND(COLD_DET, "Battery cold\n");
- BD_ERR_IRQ_HND(HOT_DET, "Battery hot\n");
- BD_ERR_IRQ_HND(CHG_TSD, "Charger thermal shutdown\n");
- BD_ERR_IRQ_HND(DCIN2_OV_DET, "DCIN2 overvoltage detected\n");
- BD_INFO_IRQ_HND(BAT_OV_RES, "Battery voltage back to normal\n");
- BD_INFO_IRQ_HND(COLD_RES, "Battery temperature back to normal\n");
- BD_INFO_IRQ_HND(HOT_RES, "Battery temperature back to normal\n");
- BD_INFO_IRQ_HND(BAT_RMV, "Battery removed\n");
- BD_INFO_IRQ_HND(BAT_DET, "Battery detected\n");
- BD_INFO_IRQ_HND(DCIN2_OV_RES, "DCIN2 voltage back to normal\n");
- BD_INFO_IRQ_HND(DCIN2_RMV, "DCIN2 removed\n");
- BD_INFO_IRQ_HND(DCIN2_DET, "DCIN2 detected\n");
- BD_INFO_IRQ_HND(DCIN1_RMV, "DCIN1 removed\n");
- BD_INFO_IRQ_HND(DCIN1_DET, "DCIN1 detected\n");
- struct irq_name_pair {
- const char *n;
- irqreturn_t (*h)(int irq, void *arg);
- };
- static int bd70528_get_irqs(struct platform_device *pdev,
- struct bd70528_psy *bdpsy)
- {
- int irq, i, ret;
- unsigned int mask;
- static const struct irq_name_pair bd70528_chg_irqs[] = {
- { .n = "bd70528-bat-ov-res", .h = BD_IRQ_HND(BAT_OV_RES) },
- { .n = "bd70528-bat-ov-det", .h = BD_IRQ_HND(BAT_OV_DET) },
- { .n = "bd70528-bat-dead", .h = BD_IRQ_HND(DBAT_DET) },
- { .n = "bd70528-bat-warmed", .h = BD_IRQ_HND(COLD_RES) },
- { .n = "bd70528-bat-cold", .h = BD_IRQ_HND(COLD_DET) },
- { .n = "bd70528-bat-cooled", .h = BD_IRQ_HND(HOT_RES) },
- { .n = "bd70528-bat-hot", .h = BD_IRQ_HND(HOT_DET) },
- { .n = "bd70528-chg-tshd", .h = BD_IRQ_HND(CHG_TSD) },
- { .n = "bd70528-bat-removed", .h = BD_IRQ_HND(BAT_RMV) },
- { .n = "bd70528-bat-detected", .h = BD_IRQ_HND(BAT_DET) },
- { .n = "bd70528-dcin2-ov-res", .h = BD_IRQ_HND(DCIN2_OV_RES) },
- { .n = "bd70528-dcin2-ov-det", .h = BD_IRQ_HND(DCIN2_OV_DET) },
- { .n = "bd70528-dcin2-removed", .h = BD_IRQ_HND(DCIN2_RMV) },
- { .n = "bd70528-dcin2-detected", .h = BD_IRQ_HND(DCIN2_DET) },
- { .n = "bd70528-dcin1-removed", .h = BD_IRQ_HND(DCIN1_RMV) },
- { .n = "bd70528-dcin1-detected", .h = BD_IRQ_HND(DCIN1_DET) },
- };
- for (i = 0; i < ARRAY_SIZE(bd70528_chg_irqs); i++) {
- irq = platform_get_irq_byname(pdev, bd70528_chg_irqs[i].n);
- if (irq < 0) {
- dev_err(&pdev->dev, "Bad IRQ information for %s (%d)\n",
- bd70528_chg_irqs[i].n, irq);
- return irq;
- }
- ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
- bd70528_chg_irqs[i].h,
- IRQF_ONESHOT,
- bd70528_chg_irqs[i].n,
- bdpsy->psy);
- if (ret)
- return ret;
- }
- /*
- * BD70528 irq controller is not touching the main mask register.
- * So enable the charger block interrupts at main level. We can just
- * leave them enabled as irq-controller should disable irqs
- * from sub-registers when IRQ is disabled or freed.
- */
- mask = BD70528_REG_INT_BAT1_MASK | BD70528_REG_INT_BAT2_MASK;
- ret = regmap_update_bits(bdpsy->regmap,
- BD70528_REG_INT_MAIN_MASK, mask, 0);
- if (ret)
- dev_err(&pdev->dev, "Failed to enable charger IRQs\n");
- return ret;
- }
- static int bd70528_get_charger_status(struct bd70528_psy *bdpsy, int *val)
- {
- int ret;
- unsigned int v;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v);
- if (ret) {
- dev_err(bdpsy->dev, "Charger state read failure %d\n",
- ret);
- return ret;
- }
- switch (v & BD70528_MASK_CHG_STAT) {
- case CHG_STAT_SUSPEND:
- /* Maybe we should check the CHG_TTRI_EN? */
- case CHG_STAT_OTP_TRICKLE:
- case CHG_STAT_OTP_FAST:
- case CHG_STAT_OTP_DONE:
- case CHG_STAT_TSD_TRICKLE:
- case CHG_STAT_TSD_FAST:
- case CHG_STAT_TSD_TOPOFF:
- case CHG_STAT_BAT_ERR:
- *val = POWER_SUPPLY_STATUS_NOT_CHARGING;
- break;
- case CHG_STAT_DONE:
- *val = POWER_SUPPLY_STATUS_FULL;
- break;
- case CHG_STAT_TRICKLE:
- case CHG_STAT_FAST:
- case CHG_STAT_TOPOFF:
- *val = POWER_SUPPLY_STATUS_CHARGING;
- break;
- default:
- *val = POWER_SUPPLY_STATUS_UNKNOWN;
- break;
- }
- return 0;
- }
- static int bd70528_get_charge_type(struct bd70528_psy *bdpsy, int *val)
- {
- int ret;
- unsigned int v;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v);
- if (ret) {
- dev_err(bdpsy->dev, "Charger state read failure %d\n",
- ret);
- return ret;
- }
- switch (v & BD70528_MASK_CHG_STAT) {
- case CHG_STAT_TRICKLE:
- *val = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
- break;
- case CHG_STAT_FAST:
- case CHG_STAT_TOPOFF:
- *val = POWER_SUPPLY_CHARGE_TYPE_FAST;
- break;
- case CHG_STAT_DONE:
- case CHG_STAT_SUSPEND:
- /* Maybe we should check the CHG_TTRI_EN? */
- case CHG_STAT_OTP_TRICKLE:
- case CHG_STAT_OTP_FAST:
- case CHG_STAT_OTP_DONE:
- case CHG_STAT_TSD_TRICKLE:
- case CHG_STAT_TSD_FAST:
- case CHG_STAT_TSD_TOPOFF:
- case CHG_STAT_BAT_ERR:
- *val = POWER_SUPPLY_CHARGE_TYPE_NONE;
- break;
- default:
- *val = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
- break;
- }
- return 0;
- }
- static int bd70528_get_battery_health(struct bd70528_psy *bdpsy, int *val)
- {
- int ret;
- unsigned int v;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v);
- if (ret) {
- dev_err(bdpsy->dev, "Battery state read failure %d\n",
- ret);
- return ret;
- }
- /* No battery? */
- if (!(v & BD70528_MASK_CHG_BAT_DETECT))
- *val = POWER_SUPPLY_HEALTH_DEAD;
- else if (v & BD70528_MASK_CHG_BAT_OVERVOLT)
- *val = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
- else if (v & BD70528_MASK_CHG_BAT_TIMER)
- *val = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
- else
- *val = POWER_SUPPLY_HEALTH_GOOD;
- return 0;
- }
- static int bd70528_get_online(struct bd70528_psy *bdpsy, int *val)
- {
- int ret;
- unsigned int v;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_IN_STAT, &v);
- if (ret) {
- dev_err(bdpsy->dev, "DC1 IN state read failure %d\n",
- ret);
- return ret;
- }
- *val = (v & BD70528_MASK_CHG_DCIN1_UVLO) ? 1 : 0;
- return 0;
- }
- static int bd70528_get_present(struct bd70528_psy *bdpsy, int *val)
- {
- int ret;
- unsigned int v;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v);
- if (ret) {
- dev_err(bdpsy->dev, "Battery state read failure %d\n",
- ret);
- return ret;
- }
- *val = (v & BD70528_MASK_CHG_BAT_DETECT) ? 1 : 0;
- return 0;
- }
- static const struct linear_range current_limit_ranges[] = {
- {
- .min = 5,
- .step = 1,
- .min_sel = 0,
- .max_sel = 0x22,
- },
- {
- .min = 40,
- .step = 5,
- .min_sel = 0x23,
- .max_sel = 0x26,
- },
- {
- .min = 60,
- .step = 20,
- .min_sel = 0x27,
- .max_sel = 0x2d,
- },
- {
- .min = 200,
- .step = 50,
- .min_sel = 0x2e,
- .max_sel = 0x34,
- },
- {
- .min = 500,
- .step = 0,
- .min_sel = 0x35,
- .max_sel = 0x3f,
- },
- };
- /*
- * BD70528 would support setting and getting own charge current/
- * voltage for low temperatures. The driver currently only reads
- * the charge current at room temperature. We do set both though.
- */
- static const struct linear_range warm_charge_curr[] = {
- {
- .min = 10,
- .step = 10,
- .min_sel = 0,
- .max_sel = 0x12,
- },
- {
- .min = 200,
- .step = 25,
- .min_sel = 0x13,
- .max_sel = 0x1f,
- },
- };
- /*
- * Cold charge current selectors are identical to warm charge current
- * selectors. The difference is that only smaller currents are available
- * at cold charge range.
- */
- #define MAX_COLD_CHG_CURR_SEL 0x15
- #define MAX_WARM_CHG_CURR_SEL 0x1f
- #define MIN_CHG_CURR_SEL 0x0
- static int get_charge_current(struct bd70528_psy *bdpsy, int *ma)
- {
- unsigned int sel;
- int ret;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CHG_CURR_WARM,
- &sel);
- if (ret) {
- dev_err(bdpsy->dev,
- "Charge current reading failed (%d)\n", ret);
- return ret;
- }
- sel &= BD70528_MASK_CHG_CHG_CURR;
- ret = linear_range_get_value_array(&warm_charge_curr[0],
- ARRAY_SIZE(warm_charge_curr),
- sel, ma);
- if (ret) {
- dev_err(bdpsy->dev,
- "Unknown charge current value 0x%x\n",
- sel);
- }
- return ret;
- }
- static int get_current_limit(struct bd70528_psy *bdpsy, int *ma)
- {
- unsigned int sel;
- int ret;
- ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_DCIN_ILIM,
- &sel);
- if (ret) {
- dev_err(bdpsy->dev,
- "Input current limit reading failed (%d)\n", ret);
- return ret;
- }
- sel &= BD70528_MASK_CHG_DCIN_ILIM;
- ret = linear_range_get_value_array(¤t_limit_ranges[0],
- ARRAY_SIZE(current_limit_ranges),
- sel, ma);
- if (ret) {
- /* Unspecified values mean 500 mA */
- *ma = 500;
- }
- return 0;
- }
- static enum power_supply_property bd70528_charger_props[] = {
- POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_CHARGE_TYPE,
- POWER_SUPPLY_PROP_HEALTH,
- POWER_SUPPLY_PROP_PRESENT,
- POWER_SUPPLY_PROP_ONLINE,
- POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
- POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
- POWER_SUPPLY_PROP_MODEL_NAME,
- POWER_SUPPLY_PROP_MANUFACTURER,
- };
- static int bd70528_charger_get_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
- {
- struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy);
- int ret = 0;
- switch (psp) {
- case POWER_SUPPLY_PROP_STATUS:
- return bd70528_get_charger_status(bdpsy, &val->intval);
- case POWER_SUPPLY_PROP_CHARGE_TYPE:
- return bd70528_get_charge_type(bdpsy, &val->intval);
- case POWER_SUPPLY_PROP_HEALTH:
- return bd70528_get_battery_health(bdpsy, &val->intval);
- case POWER_SUPPLY_PROP_PRESENT:
- return bd70528_get_present(bdpsy, &val->intval);
- case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
- ret = get_current_limit(bdpsy, &val->intval);
- val->intval *= 1000;
- return ret;
- case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
- ret = get_charge_current(bdpsy, &val->intval);
- val->intval *= 1000;
- return ret;
- case POWER_SUPPLY_PROP_ONLINE:
- return bd70528_get_online(bdpsy, &val->intval);
- case POWER_SUPPLY_PROP_MODEL_NAME:
- val->strval = bd70528_charger_model;
- return 0;
- case POWER_SUPPLY_PROP_MANUFACTURER:
- val->strval = bd70528_charger_manufacturer;
- return 0;
- default:
- break;
- }
- return -EINVAL;
- }
- static int bd70528_prop_is_writable(struct power_supply *psy,
- enum power_supply_property psp)
- {
- switch (psp) {
- case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
- case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
- return 1;
- default:
- break;
- }
- return 0;
- }
- static int set_charge_current(struct bd70528_psy *bdpsy, int ma)
- {
- unsigned int reg;
- int ret = 0, tmpret;
- bool found;
- if (ma > 500) {
- dev_warn(bdpsy->dev,
- "Requested charge current %u exceed maximum (500mA)\n",
- ma);
- reg = MAX_WARM_CHG_CURR_SEL;
- goto set;
- }
- if (ma < 10) {
- dev_err(bdpsy->dev,
- "Requested charge current %u smaller than min (10mA)\n",
- ma);
- reg = MIN_CHG_CURR_SEL;
- ret = -EINVAL;
- goto set;
- }
- /*
- * For BD70528 voltage/current limits we happily accept any value which
- * belongs the range. We could check if value matching the selector is
- * desired by computing the range min + (sel - sel_low) * range step - but
- * I guess it is enough if we use voltage/current which is closest (below)
- * the requested?
- */
- ret = linear_range_get_selector_low_array(warm_charge_curr,
- ARRAY_SIZE(warm_charge_curr),
- ma, ®, &found);
- if (ret) {
- dev_err(bdpsy->dev,
- "Unsupported charge current %u mA\n", ma);
- reg = MIN_CHG_CURR_SEL;
- goto set;
- }
- if (!found) {
- /*
- * There was a gap in supported values and we hit it.
- * Yet a smaller value was found so we use it.
- */
- dev_warn(bdpsy->dev,
- "Unsupported charge current %u mA\n", ma);
- }
- set:
- tmpret = regmap_update_bits(bdpsy->regmap,
- BD70528_REG_CHG_CHG_CURR_WARM,
- BD70528_MASK_CHG_CHG_CURR, reg);
- if (tmpret)
- dev_err(bdpsy->dev,
- "Charge current write failure (%d)\n", tmpret);
- if (reg > MAX_COLD_CHG_CURR_SEL)
- reg = MAX_COLD_CHG_CURR_SEL;
- if (!tmpret)
- tmpret = regmap_update_bits(bdpsy->regmap,
- BD70528_REG_CHG_CHG_CURR_COLD,
- BD70528_MASK_CHG_CHG_CURR, reg);
- if (!ret)
- ret = tmpret;
- return ret;
- }
- #define MAX_CURR_LIMIT_SEL 0x34
- #define MIN_CURR_LIMIT_SEL 0x0
- static int set_current_limit(struct bd70528_psy *bdpsy, int ma)
- {
- unsigned int reg;
- int ret = 0, tmpret;
- bool found;
- if (ma > 500) {
- dev_warn(bdpsy->dev,
- "Requested current limit %u exceed maximum (500mA)\n",
- ma);
- reg = MAX_CURR_LIMIT_SEL;
- goto set;
- }
- if (ma < 5) {
- dev_err(bdpsy->dev,
- "Requested current limit %u smaller than min (5mA)\n",
- ma);
- reg = MIN_CURR_LIMIT_SEL;
- ret = -EINVAL;
- goto set;
- }
- ret = linear_range_get_selector_low_array(current_limit_ranges,
- ARRAY_SIZE(current_limit_ranges),
- ma, ®, &found);
- if (ret) {
- dev_err(bdpsy->dev, "Unsupported current limit %umA\n", ma);
- reg = MIN_CURR_LIMIT_SEL;
- goto set;
- }
- if (!found) {
- /*
- * There was a gap in supported values and we hit it.
- * We found a smaller value from ranges and use it.
- * Warn user though.
- */
- dev_warn(bdpsy->dev, "Unsupported current limit %umA\n", ma);
- }
- set:
- tmpret = regmap_update_bits(bdpsy->regmap,
- BD70528_REG_CHG_DCIN_ILIM,
- BD70528_MASK_CHG_DCIN_ILIM, reg);
- if (!ret)
- ret = tmpret;
- return ret;
- }
- static int bd70528_charger_set_property(struct power_supply *psy,
- enum power_supply_property psp,
- const union power_supply_propval *val)
- {
- struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy);
- switch (psp) {
- case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
- return set_current_limit(bdpsy, val->intval / 1000);
- case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
- return set_charge_current(bdpsy, val->intval / 1000);
- default:
- break;
- }
- return -EINVAL;
- }
- static const struct power_supply_desc bd70528_charger_desc = {
- .name = "bd70528-charger",
- .type = POWER_SUPPLY_TYPE_MAINS,
- .properties = bd70528_charger_props,
- .num_properties = ARRAY_SIZE(bd70528_charger_props),
- .get_property = bd70528_charger_get_property,
- .set_property = bd70528_charger_set_property,
- .property_is_writeable = bd70528_prop_is_writable,
- };
- static int bd70528_power_probe(struct platform_device *pdev)
- {
- struct bd70528_psy *bdpsy;
- struct power_supply_config cfg = {};
- bdpsy = devm_kzalloc(&pdev->dev, sizeof(*bdpsy), GFP_KERNEL);
- if (!bdpsy)
- return -ENOMEM;
- bdpsy->regmap = dev_get_regmap(pdev->dev.parent, NULL);
- if (!bdpsy->regmap) {
- dev_err(&pdev->dev, "No regmap found for chip\n");
- return -EINVAL;
- }
- bdpsy->dev = &pdev->dev;
- platform_set_drvdata(pdev, bdpsy);
- cfg.drv_data = bdpsy;
- cfg.of_node = pdev->dev.parent->of_node;
- bdpsy->psy = devm_power_supply_register(&pdev->dev,
- &bd70528_charger_desc, &cfg);
- if (IS_ERR(bdpsy->psy)) {
- dev_err(&pdev->dev, "failed: power supply register\n");
- return PTR_ERR(bdpsy->psy);
- }
- return bd70528_get_irqs(pdev, bdpsy);
- }
- static struct platform_driver bd70528_power = {
- .driver = {
- .name = "bd70528-power"
- },
- .probe = bd70528_power_probe,
- };
- module_platform_driver(bd70528_power);
- MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
- MODULE_DESCRIPTION("BD70528 power-supply driver");
- MODULE_LICENSE("GPL");
- MODULE_ALIAS("platform:bd70528-power");
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