1 // SPDX-License-Identifier: GPL-2.0-or-later
140 	"mp2629-batt-volt",
141 	"mp2629-system-volt",
142 	"mp2629-input-volt",
143 	"mp2629-batt-current",
144 	"mp2629-input-current",
154 	ret = iio_read_channel_processed(charger->iiochan[ch], &chval);  in mp2629_read_adc()
158 	val->intval = chval * 1000;  in mp2629_read_adc()
170 	ret = regmap_field_read(charger->regmap_fields[fld], &rval);  in mp2629_get_prop()
174 	val->intval = rval * props[fld].step + props[fld].min;  in mp2629_get_prop()
185 	if (val->intval < props[fld].min || val->intval > props[fld].max)  in mp2629_set_prop()
186 		return -EINVAL;  in mp2629_set_prop()
188 	rval = (val->intval - props[fld].min) / props[fld].step;  in mp2629_set_prop()
189 	return regmap_field_write(charger->regmap_fields[fld], rval);  in mp2629_set_prop()
206 	val->intval = (vnow.intval * 100) / vlim.intval;  in mp2629_get_battery_capacity()
207 	val->intval = min(val->intval, MP2629_MAX_BATT_CAPACITY);  in mp2629_get_battery_capacity()
216 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_battery_get_prop()
230 		val->intval = 4520000;  in mp2629_charger_battery_get_prop()
234 		val->intval = 4670000;  in mp2629_charger_battery_get_prop()
258 		if (!charger->fault)  in mp2629_charger_battery_get_prop()
259 			val->intval = POWER_SUPPLY_HEALTH_GOOD;  in mp2629_charger_battery_get_prop()
260 		if (MP2629_FAULT_BATTERY & charger->fault)  in mp2629_charger_battery_get_prop()
261 			val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;  in mp2629_charger_battery_get_prop()
262 		else if (MP2629_FAULT_THERMAL & charger->fault)  in mp2629_charger_battery_get_prop()
263 			val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;  in mp2629_charger_battery_get_prop()
264 		else if (MP2629_FAULT_INPUT & charger->fault)  in mp2629_charger_battery_get_prop()
265 			val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;  in mp2629_charger_battery_get_prop()
269 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_battery_get_prop()
276 			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;  in mp2629_charger_battery_get_prop()
280 			val->intval = POWER_SUPPLY_STATUS_CHARGING;  in mp2629_charger_battery_get_prop()
283 			val->intval = POWER_SUPPLY_STATUS_FULL;  in mp2629_charger_battery_get_prop()
288 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_battery_get_prop()
295 			val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;  in mp2629_charger_battery_get_prop()
298 			val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;  in mp2629_charger_battery_get_prop()
301 			val->intval = POWER_SUPPLY_CHARGE_TYPE_STANDARD;  in mp2629_charger_battery_get_prop()
304 			val->intval = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;  in mp2629_charger_battery_get_prop()
309 		return -EINVAL;  in mp2629_charger_battery_get_prop()
319 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_battery_set_prop()
335 		return -EINVAL;  in mp2629_charger_battery_set_prop()
343 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_usb_get_prop()
349 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_usb_get_prop()
353 		val->intval = !!(rval & MP2629_MASK_INPUT_TYPE);  in mp2629_charger_usb_get_prop()
357 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_usb_get_prop()
364 			val->intval = POWER_SUPPLY_USB_TYPE_SDP;  in mp2629_charger_usb_get_prop()
367 			val->intval = POWER_SUPPLY_USB_TYPE_CDP;  in mp2629_charger_usb_get_prop()
370 			val->intval = POWER_SUPPLY_USB_TYPE_DCP;  in mp2629_charger_usb_get_prop()
373 			val->intval = POWER_SUPPLY_USB_TYPE_PD_DRP;  in mp2629_charger_usb_get_prop()
376 			val->intval = POWER_SUPPLY_USB_TYPE_UNKNOWN;  in mp2629_charger_usb_get_prop()
398 		return -EINVAL;  in mp2629_charger_usb_get_prop()
408 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_usb_set_prop()
418 		return -EINVAL;  in mp2629_charger_usb_set_prop()
444 	mutex_lock(&charger->lock);  in mp2629_irq_handler()
446 	ret = regmap_read(charger->regmap, MP2629_REG_FAULT, &rval);  in mp2629_irq_handler()
451 		charger->fault = rval;  in mp2629_irq_handler()
453 			dev_err(charger->dev, "Battery fault OVP\n");  in mp2629_irq_handler()
455 			dev_err(charger->dev, "Thermal shutdown fault\n");  in mp2629_irq_handler()
457 			dev_err(charger->dev, "no input or input OVP\n");  in mp2629_irq_handler()
459 			dev_err(charger->dev, "VIN overloaded\n");  in mp2629_irq_handler()
464 	ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_irq_handler()
469 		power_supply_changed(charger->usb);  in mp2629_irq_handler()
471 		power_supply_changed(charger->battery);  in mp2629_irq_handler()
474 	mutex_unlock(&charger->lock);  in mp2629_irq_handler()
508 	struct mp2629_charger *charger = dev_get_drvdata(dev->parent);  in batt_impedance_compensation_show()
512 	ret = regmap_read(charger->regmap, MP2629_REG_IMPEDANCE_COMP, &rval);  in batt_impedance_compensation_show()
525 	struct mp2629_charger *charger = dev_get_drvdata(dev->parent);  in batt_impedance_compensation_store()
534 		return -ERANGE;  in batt_impedance_compensation_store()
538 	ret = regmap_update_bits(charger->regmap, MP2629_REG_IMPEDANCE_COMP,  in batt_impedance_compensation_store()
558 	regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL,  in mp2629_charger_disable()
564 	struct device *dev = &pdev->dev;  in mp2629_charger_probe()
565 	struct mp2629_data *ddata = dev_get_drvdata(dev->parent);  in mp2629_charger_probe()
572 		return -ENOMEM;  in mp2629_charger_probe()
574 	charger->regmap = ddata->regmap;  in mp2629_charger_probe()
575 	charger->dev = dev;  in mp2629_charger_probe()
578 	irq = platform_get_irq(to_platform_device(dev->parent), 0);  in mp2629_charger_probe()
583 		charger->regmap_fields[i] = devm_regmap_field_alloc(dev,  in mp2629_charger_probe()
584 					charger->regmap, mp2629_reg_fields[i]);  in mp2629_charger_probe()
585 		if (IS_ERR(charger->regmap_fields[i])) {  in mp2629_charger_probe()
587 			return PTR_ERR(charger->regmap_fields[i]);  in mp2629_charger_probe()
592 		charger->iiochan[i] = devm_iio_channel_get(dev,  in mp2629_charger_probe()
594 		if (IS_ERR(charger->iiochan[i])) {  in mp2629_charger_probe()
596 			return PTR_ERR(charger->iiochan[i]);  in mp2629_charger_probe()
604 	charger->usb = devm_power_supply_register(dev, &mp2629_usb_desc, NULL);  in mp2629_charger_probe()
605 	if (IS_ERR(charger->usb)) {  in mp2629_charger_probe()
607 		return PTR_ERR(charger->usb);  in mp2629_charger_probe()
612 	charger->battery = devm_power_supply_register(dev,  in mp2629_charger_probe()
614 	if (IS_ERR(charger->battery)) {  in mp2629_charger_probe()
616 		return PTR_ERR(charger->battery);  in mp2629_charger_probe()
619 	ret = regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL,  in mp2629_charger_probe()
622 		dev_err(dev, "enable charge fail: %d\n", ret);  in mp2629_charger_probe()
626 	regmap_update_bits(charger->regmap, MP2629_REG_TIMER_CTRL,  in mp2629_charger_probe()
629 	mutex_init(&charger->lock);  in mp2629_charger_probe()
633 					"mp2629-charger", charger);  in mp2629_charger_probe()
639 	regmap_update_bits(charger->regmap, MP2629_REG_INTERRUPT,  in mp2629_charger_probe()