1 // SPDX-License-Identifier: GPL-2.0-only
192 					   enum rt9471_ranges range, int val)  in rt9471_set_value_by_field_range()  argument
197 		return -EINVAL;  in rt9471_set_value_by_field_range()
199 	linear_range_get_selector_within(rt9471_chg_ranges + range, val, &sel);  in rt9471_set_value_by_field_range()
201 	return regmap_field_write(chip->rm_fields[field], sel);  in rt9471_set_value_by_field_range()
207 					   enum rt9471_ranges range, int *val)  in rt9471_get_value_by_field_range()  argument
212 	ret = regmap_field_read(chip->rm_fields[field], &sel);  in rt9471_get_value_by_field_range()
216 	ret = linear_range_get_value(rt9471_chg_ranges + range, sel, &rvalue);  in rt9471_get_value_by_field_range()
224 static int rt9471_set_ieoc(struct rt9471_chip *chip, int microamp)  in rt9471_set_ieoc()  argument
228 	if (microamp == 0)  in rt9471_set_ieoc()
229 		return regmap_field_write(chip->rm_fields[F_TE], 0);  in rt9471_set_ieoc()
231 	ret = rt9471_set_value_by_field_range(chip, F_IEOC_CHG, RT9471_RANGE_IEOC, microamp);  in rt9471_set_ieoc()
236 	return regmap_field_write(chip->rm_fields[F_TE], 1);  in rt9471_set_ieoc()
239 static int rt9471_get_ieoc(struct rt9471_chip *chip, int *microamp)  in rt9471_get_ieoc()  argument
244 	ret = regmap_field_read(chip->rm_fields[F_TE], &chg_term_enable);  in rt9471_get_ieoc()
249 		*microamp = 0;  in rt9471_get_ieoc()
253 	return rt9471_get_value_by_field_range(chip, F_IEOC_CHG, RT9471_RANGE_IEOC, microamp);  in rt9471_get_ieoc()
261 	ret = regmap_field_read(chip->rm_fields[F_ST_CHG_RDY], &chg_ready);  in rt9471_get_status()
265 	ret = regmap_field_read(chip->rm_fields[F_ST_CHG_DONE], &chg_done);  in rt9471_get_status()
269 	ret = regmap_read(chip->regmap, RT9471_REG_STAT1, &fault_stat);  in rt9471_get_status()
292 	ret = regmap_field_read(chip->rm_fields[F_ST_VBUS_GD], &vbus_gd);  in rt9471_get_vbus_good()
302 	mutex_lock(&chip->var_lock);  in rt9471_get_usb_type()
303 	*usb_type = chip->psy_usb_type;  in rt9471_get_usb_type()
304 	mutex_unlock(&chip->var_lock);  in rt9471_get_usb_type()
310 					      int *microamp)  in rt9471_get_usb_type_current()  argument
312 	mutex_lock(&chip->var_lock);  in rt9471_get_usb_type_current()
313 	*microamp = chip->psy_usb_curr;  in rt9471_get_usb_type_current()
314 	mutex_unlock(&chip->var_lock);  in rt9471_get_usb_type_current()
359 	int value = val->intval;  in rt9471_charger_set_property()
363 		return regmap_field_write(chip->rm_fields[F_CHG_EN], !!value);  in rt9471_charger_set_property()
365 		return regmap_field_write(chip->rm_fields[F_HZ], !value);  in rt9471_charger_set_property()
377 		return rt9471_set_ieoc(chip, val->intval);  in rt9471_charger_set_property()
379 		return -EINVAL;  in rt9471_charger_set_property()
391 	int *pvalue = &val->intval;  in rt9471_charger_get_property()
408 		val->intval = RT9471_VCHG_MAXUV;  in rt9471_charger_get_property()
421 		val->strval = rt9471_model;  in rt9471_charger_get_property()
424 		val->strval = rt9471_manufacturer;  in rt9471_charger_get_property()
427 		return -ENODATA;  in rt9471_charger_get_property()
435 	power_supply_changed(chip->psy);  in rt9471_vbus_gd_handler()
446 	ret = regmap_field_read(chip->rm_fields[F_ST_VBUS_GD], &vbus_gd);  in rt9471_detach_handler()
454 	mutex_lock(&chip->var_lock);  in rt9471_detach_handler()
455 	chip->psy_usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN;  in rt9471_detach_handler()
456 	chip->psy_usb_curr = 0;  in rt9471_detach_handler()
457 	mutex_unlock(&chip->var_lock);  in rt9471_detach_handler()
459 	power_supply_changed(chip->psy);  in rt9471_detach_handler()
471 	ret = regmap_field_read(chip->rm_fields[F_PORT_STAT], &port_stat);  in rt9471_bc12_done_handler()
511 	mutex_lock(&chip->var_lock);  in rt9471_bc12_done_handler()
512 	chip->psy_usb_type = usb_type;  in rt9471_bc12_done_handler()
513 	chip->psy_usb_curr = usb_curr;  in rt9471_bc12_done_handler()
514 	mutex_unlock(&chip->var_lock);  in rt9471_bc12_done_handler()
516 	power_supply_changed(chip->psy);  in rt9471_bc12_done_handler()
526 	ret = regmap_field_write(chip->rm_fields[F_WDT_RST], 1);  in rt9471_wdt_handler()
535 	regulator_notifier_call_chain(chip->otg_rdev, REGULATOR_EVENT_FAIL, NULL);  in rt9471_otg_fault_handler()
549 	struct device *dev = chip->dev;  in rt9471_register_interrupts()
566 		virq = regmap_irq_get_virq(chip->irq_chip_data, curr->hwirq);  in rt9471_register_interrupts()
570 		ret = devm_request_threaded_irq(dev, virq, NULL, curr->handler,  in rt9471_register_interrupts()
571 						IRQF_ONESHOT, curr->name, chip);  in rt9471_register_interrupts()
574 					     curr->name);  in rt9471_register_interrupts()
594 	.of_match = of_match_ptr("usb-otg-vbus-regulator"),
595 	.name = "rt9471-otg-vbus",
614 	struct device *dev = chip->dev;  in rt9471_register_otg_regulator()
617 	chip->otg_rdev = devm_regulator_register(dev, &rt9471_otg_rdesc, &cfg);  in rt9471_register_otg_regulator()
619 	return PTR_ERR_OR_ZERO(chip->otg_rdev);  in rt9471_register_otg_regulator()
634 	ret = regmap_field_read(chip->rm_fields[F_BATFET_DIS], &sysoff_enable);  in sysoff_enable_show()
653 	ret = regmap_field_write(chip->rm_fields[F_BATFET_DIS], !!tmp);  in sysoff_enable_store()
667 	ret = regmap_field_read(chip->rm_fields[F_BC12_EN], &bc12_enable);  in port_detect_enable_show()
686 	ret = regmap_field_write(chip->rm_fields[F_BC12_EN], !!tmp);  in port_detect_enable_store()
706 	struct device *dev = chip->dev;  in rt9471_register_psy()
707 	struct power_supply_desc *desc = &chip->psy_desc;  in rt9471_register_psy()
712 	cfg.of_node = dev->of_node;  in rt9471_register_psy()
715 	psy_name = devm_kasprintf(dev, GFP_KERNEL, "rt9471-%s", dev_name(dev));  in rt9471_register_psy()
717 		return -ENOMEM;  in rt9471_register_psy()
719 	desc->name = psy_name;  in rt9471_register_psy()
720 	desc->type = POWER_SUPPLY_TYPE_USB;  in rt9471_register_psy()
721 	desc->usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |  in rt9471_register_psy()
726 	desc->properties = rt9471_charger_properties;  in rt9471_register_psy()
727 	desc->num_properties = ARRAY_SIZE(rt9471_charger_properties);  in rt9471_register_psy()
728 	desc->get_property = rt9471_charger_get_property;  in rt9471_register_psy()
729 	desc->set_property = rt9471_charger_set_property;  in rt9471_register_psy()
730 	desc->property_is_writeable = rt9471_charger_property_is_writeable;  in rt9471_register_psy()
732 	chip->psy = devm_power_supply_register(dev, desc, &cfg);  in rt9471_register_psy()
734 	return PTR_ERR_OR_ZERO(chip->psy);  in rt9471_register_psy()
770 	.name = "rt9471-irqs",
790 	struct device *dev = chip->dev;  in rt9471_check_devinfo()
794 	ret = regmap_field_read(chip->rm_fields[F_DEVICE_ID], &dev_id);  in rt9471_check_devinfo()
805 		return dev_err_probe(dev, -ENODEV, "Incorrect device id\n");  in rt9471_check_devinfo()
832 	struct device *dev = &i2c->dev;  in rt9471_probe()
840 		return -ENOMEM;  in rt9471_probe()
842 	chip->dev = dev;  in rt9471_probe()
843 	mutex_init(&chip->var_lock);  in rt9471_probe()
847 	ce_gpio = devm_gpiod_get_optional(dev, "charge-enable", GPIOD_OUT_HIGH);  in rt9471_probe()
856 	chip->regmap = regmap;  in rt9471_probe()
858 	ret = devm_regmap_field_bulk_alloc(dev, regmap, chip->rm_fields,  in rt9471_probe()
873 	ret = devm_regmap_add_irq_chip(dev, regmap, i2c->irq,  in rt9471_probe()
875 				       &rt9471_irq_chip, &chip->irq_chip_data);  in rt9471_probe()
892 	return regmap_field_write(chip->rm_fields[F_BC12_EN], 1);  in rt9471_probe()
903 	regmap_field_write(chip->rm_fields[F_REG_RST], 1);  in rt9471_shutdown()