1 // SPDX-License-Identifier: GPL-2.0-or-later
70 	PRECHARGE,  enumerator
134 	MP2629_PROPS(PRECHARGE, 120000, 720000, 40000),
143 	[PRECHARGE]	= REG_FIELD(MP2629_REG_PRECHARGE, 4, 7),
148 	"mp2629-batt-volt",
149 	"mp2629-system-volt",
150 	"mp2629-input-volt",
151 	"mp2629-batt-current",
152 	"mp2629-input-current",
162 	ret = iio_read_channel_processed(charger->iiochan[ch], &chval);  in mp2629_read_adc()
166 	val->intval = chval * 1000;  in mp2629_read_adc()
178 	ret = regmap_field_read(charger->regmap_fields[fld], &rval);  in mp2629_get_prop()
182 	val->intval = rval * props[fld].step + props[fld].min;  in mp2629_get_prop()
193 	if (val->intval < props[fld].min || val->intval > props[fld].max)  in mp2629_set_prop()
194 		return -EINVAL;  in mp2629_set_prop()
196 	rval = (val->intval - props[fld].min) / props[fld].step;  in mp2629_set_prop()
197 	return regmap_field_write(charger->regmap_fields[fld], rval);  in mp2629_set_prop()
214 	val->intval = (vnow.intval * 100) / vlim.intval;  in mp2629_get_battery_capacity()
215 	val->intval = min(val->intval, MP2629_MAX_BATT_CAPACITY);  in mp2629_get_battery_capacity()
224 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_battery_get_prop()
238 		val->intval = 4520000;  in mp2629_charger_battery_get_prop()
242 		val->intval = 4670000;  in mp2629_charger_battery_get_prop()
254 		ret = mp2629_get_prop(charger, PRECHARGE, val);  in mp2629_charger_battery_get_prop()
266 		if (!charger->fault)  in mp2629_charger_battery_get_prop()
267 			val->intval = POWER_SUPPLY_HEALTH_GOOD;  in mp2629_charger_battery_get_prop()
268 		if (MP2629_FAULT_BATTERY & charger->fault)  in mp2629_charger_battery_get_prop()
269 			val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;  in mp2629_charger_battery_get_prop()
270 		else if (MP2629_FAULT_THERMAL & charger->fault)  in mp2629_charger_battery_get_prop()
271 			val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;  in mp2629_charger_battery_get_prop()
272 		else if (MP2629_FAULT_INPUT & charger->fault)  in mp2629_charger_battery_get_prop()
273 			val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;  in mp2629_charger_battery_get_prop()
277 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_battery_get_prop()
284 			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;  in mp2629_charger_battery_get_prop()
288 			val->intval = POWER_SUPPLY_STATUS_CHARGING;  in mp2629_charger_battery_get_prop()
291 			val->intval = POWER_SUPPLY_STATUS_FULL;  in mp2629_charger_battery_get_prop()
296 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_battery_get_prop()
303 			val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;  in mp2629_charger_battery_get_prop()
306 			val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;  in mp2629_charger_battery_get_prop()
309 			val->intval = POWER_SUPPLY_CHARGE_TYPE_STANDARD;  in mp2629_charger_battery_get_prop()
312 			val->intval = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;  in mp2629_charger_battery_get_prop()
317 		return -EINVAL;  in mp2629_charger_battery_get_prop()
327 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_battery_set_prop()
334 		return mp2629_set_prop(charger, PRECHARGE, val);  in mp2629_charger_battery_set_prop()
343 		return -EINVAL;  in mp2629_charger_battery_set_prop()
351 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_usb_get_prop()
357 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_usb_get_prop()
361 		val->intval = !!(rval & MP2629_MASK_INPUT_TYPE);  in mp2629_charger_usb_get_prop()
365 		ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_charger_usb_get_prop()
372 			val->intval = POWER_SUPPLY_USB_TYPE_SDP;  in mp2629_charger_usb_get_prop()
375 			val->intval = POWER_SUPPLY_USB_TYPE_CDP;  in mp2629_charger_usb_get_prop()
378 			val->intval = POWER_SUPPLY_USB_TYPE_DCP;  in mp2629_charger_usb_get_prop()
381 			val->intval = POWER_SUPPLY_USB_TYPE_PD_DRP;  in mp2629_charger_usb_get_prop()
384 			val->intval = POWER_SUPPLY_USB_TYPE_UNKNOWN;  in mp2629_charger_usb_get_prop()
406 		return -EINVAL;  in mp2629_charger_usb_get_prop()
416 	struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent);  in mp2629_charger_usb_set_prop()
426 		return -EINVAL;  in mp2629_charger_usb_set_prop()
452 	mutex_lock(&charger->lock);  in mp2629_irq_handler()
454 	ret = regmap_read(charger->regmap, MP2629_REG_FAULT, &rval);  in mp2629_irq_handler()
459 		charger->fault = rval;  in mp2629_irq_handler()
461 			dev_err(charger->dev, "Battery fault OVP\n");  in mp2629_irq_handler()
463 			dev_err(charger->dev, "Thermal shutdown fault\n");  in mp2629_irq_handler()
465 			dev_err(charger->dev, "no input or input OVP\n");  in mp2629_irq_handler()
467 			dev_err(charger->dev, "VIN overloaded\n");  in mp2629_irq_handler()
472 	ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval);  in mp2629_irq_handler()
477 		power_supply_changed(charger->usb);  in mp2629_irq_handler()
479 		power_supply_changed(charger->battery);  in mp2629_irq_handler()
482 	mutex_unlock(&charger->lock);  in mp2629_irq_handler()
513 	struct mp2629_charger *charger = dev_get_drvdata(dev->parent);  in batt_impedance_compensation_show()
517 	ret = regmap_read(charger->regmap, MP2629_REG_IMPEDANCE_COMP, &rval);  in batt_impedance_compensation_show()
530 	struct mp2629_charger *charger = dev_get_drvdata(dev->parent);  in batt_impedance_compensation_store()
539 		return -ERANGE;  in batt_impedance_compensation_store()
543 	ret = regmap_update_bits(charger->regmap, MP2629_REG_IMPEDANCE_COMP,  in batt_impedance_compensation_store()
563 	regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL,  in mp2629_charger_disable()
569 	struct device *dev = &pdev->dev;  in mp2629_charger_probe()
570 	struct mp2629_data *ddata = dev_get_drvdata(dev->parent);  in mp2629_charger_probe()
577 		return -ENOMEM;  in mp2629_charger_probe()
579 	charger->regmap = ddata->regmap;  in mp2629_charger_probe()
580 	charger->dev = dev;  in mp2629_charger_probe()
583 	irq = platform_get_irq(to_platform_device(dev->parent), 0);  in mp2629_charger_probe()
588 		charger->regmap_fields[i] = devm_regmap_field_alloc(dev,  in mp2629_charger_probe()
589 					charger->regmap, mp2629_reg_fields[i]);  in mp2629_charger_probe()
590 		if (IS_ERR(charger->regmap_fields[i])) {  in mp2629_charger_probe()
592 			return PTR_ERR(charger->regmap_fields[i]);  in mp2629_charger_probe()
597 		charger->iiochan[i] = devm_iio_channel_get(dev,  in mp2629_charger_probe()
599 		if (IS_ERR(charger->iiochan[i])) {  in mp2629_charger_probe()
601 			return PTR_ERR(charger->iiochan[i]);  in mp2629_charger_probe()
609 	charger->usb = devm_power_supply_register(dev, &mp2629_usb_desc, NULL);  in mp2629_charger_probe()
610 	if (IS_ERR(charger->usb)) {  in mp2629_charger_probe()
612 		return PTR_ERR(charger->usb);  in mp2629_charger_probe()
617 	charger->battery = devm_power_supply_register(dev,  in mp2629_charger_probe()
619 	if (IS_ERR(charger->battery)) {  in mp2629_charger_probe()
621 		return PTR_ERR(charger->battery);  in mp2629_charger_probe()
624 	ret = regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL,  in mp2629_charger_probe()
631 	regmap_update_bits(charger->regmap, MP2629_REG_TIMER_CTRL,  in mp2629_charger_probe()
634 	mutex_init(&charger->lock);  in mp2629_charger_probe()
638 					"mp2629-charger", charger);  in mp2629_charger_probe()
644 	regmap_update_bits(charger->regmap, MP2629_REG_INTERRUPT,  in mp2629_charger_probe()