1 // SPDX-License-Identifier: GPL-2.0-only
44 	if (!wm8350->power.rev_g_coeff)  in wm8350_charge_time_min()
45 		return (((min - 30) / 15) & 0xf) << 8;  in wm8350_charge_time_min()
47 		return (((min - 30) / 30) & 0xf) << 8;  in wm8350_charge_time_min()
53 	int supplies = 0;  in wm8350_get_supplies()  local
72 		supplies = WM8350_USB_SUPPLY;  in wm8350_get_supplies()
77 		supplies = WM8350_USB_SUPPLY | WM8350_BATT_SUPPLY;  in wm8350_get_supplies()
79 		supplies = WM8350_LINE_SUPPLY;  in wm8350_get_supplies()
81 		supplies = WM8350_BATT_SUPPLY;  in wm8350_get_supplies()
83 	return supplies;  in wm8350_get_supplies()
92 		dev_warn(wm8350->dev,  in wm8350_charger_config()
94 		return -EINVAL;  in wm8350_charger_config()
98 	if (policy->fast_limit_USB_mA > 500) {  in wm8350_charger_config()
99 		dev_err(wm8350->dev, "USB fast charge > 500mA\n");  in wm8350_charger_config()
100 		return -EINVAL;  in wm8350_charger_config()
103 	eoc_mA = WM8350_CHG_EOC_mA(policy->eoc_mA);  in wm8350_charger_config()
110 			 reg | eoc_mA | policy->trickle_start_mV |  in wm8350_charger_config()
117 			WM8350_CHG_FAST_LIMIT_mA(policy->fast_limit_USB_mA);  in wm8350_charger_config()
119 			    policy->charge_mV | policy->trickle_charge_USB_mA |  in wm8350_charger_config()
121 						policy->charge_timeout));  in wm8350_charger_config()
125 			WM8350_CHG_FAST_LIMIT_mA(policy->fast_limit_mA);  in wm8350_charger_config()
127 			    policy->charge_mV | policy->trickle_charge_mA |  in wm8350_charger_config()
129 						policy->charge_timeout));  in wm8350_charger_config()
187 	struct wm8350_power *power = &wm8350->power;  in wm8350_charger_handler()  local
188 	struct wm8350_charger_policy *policy = power->policy;  in wm8350_charger_handler()
190 	switch (irq - wm8350->irq_base) {  in wm8350_charger_handler()
192 		dev_err(wm8350->dev, "battery failed\n");  in wm8350_charger_handler()
195 		dev_err(wm8350->dev, "charger timeout\n");  in wm8350_charger_handler()
196 		power_supply_changed(power->battery);  in wm8350_charger_handler()
203 		power_supply_changed(power->battery);  in wm8350_charger_handler()
207 		dev_dbg(wm8350->dev, "fast charger ready\n");  in wm8350_charger_handler()
216 		dev_warn(wm8350->dev, "battery < 3.9V\n");  in wm8350_charger_handler()
219 		dev_warn(wm8350->dev, "battery < 3.1V\n");  in wm8350_charger_handler()
222 		dev_warn(wm8350->dev, "battery < 2.85V\n");  in wm8350_charger_handler()
232 		power_supply_changed(power->battery);  in wm8350_charger_handler()
233 		power_supply_changed(power->usb);  in wm8350_charger_handler()
234 		power_supply_changed(power->ac);  in wm8350_charger_handler()
238 		dev_err(wm8350->dev, "Unknown interrupt %d\n", irq);  in wm8350_charger_handler()
245  *		AC Power
251 	struct wm8350 *wm8350 = dev_get_drvdata(psy->dev.parent);  in wm8350_ac_get_prop()
256 		val->intval = !!(wm8350_get_supplies(wm8350) &  in wm8350_ac_get_prop()
260 		val->intval = wm8350_read_line_uvolts(wm8350);  in wm8350_ac_get_prop()
263 		ret = -EINVAL;  in wm8350_ac_get_prop()
275  *		USB Power
281 	struct wm8350 *wm8350 = dev_get_drvdata(psy->dev.parent);  in wm8350_usb_get_prop()
286 		val->intval = !!(wm8350_get_supplies(wm8350) &  in wm8350_usb_get_prop()
290 		val->intval = wm8350_read_usb_uvolts(wm8350);  in wm8350_usb_get_prop()
293 		ret = -EINVAL;  in wm8350_usb_get_prop()
347 	struct wm8350 *wm8350 = dev_get_drvdata(psy->dev.parent);  in wm8350_bat_get_property()
352 		val->intval = wm8350_batt_status(wm8350);  in wm8350_bat_get_property()
355 		val->intval = !!(wm8350_get_supplies(wm8350) &  in wm8350_bat_get_property()
359 		val->intval = wm8350_read_battery_uvolts(wm8350);  in wm8350_bat_get_property()
362 		val->intval = wm8350_bat_check_health(wm8350);  in wm8350_bat_get_property()
365 		val->intval = wm8350_bat_get_charge_type(wm8350);  in wm8350_bat_get_property()
368 		ret = -EINVAL;  in wm8350_bat_get_property()
384 	.name		= "wm8350-ac",
392 	.name		= "wm8350-battery",
400 	.name		= "wm8350-usb",
539 	struct wm8350_power *power = &wm8350->power;  in wm8350_power_probe()  local
540 	struct wm8350_charger_policy *policy = power->policy;  in wm8350_power_probe()
543 	power->ac = power_supply_register(&pdev->dev, &wm8350_ac_desc, NULL);  in wm8350_power_probe()
544 	if (IS_ERR(power->ac))  in wm8350_power_probe()
545 		return PTR_ERR(power->ac);  in wm8350_power_probe()
547 	power->battery = power_supply_register(&pdev->dev, &wm8350_battery_desc,  in wm8350_power_probe()
549 	if (IS_ERR(power->battery)) {  in wm8350_power_probe()
550 		ret = PTR_ERR(power->battery);  in wm8350_power_probe()
554 	power->usb = power_supply_register(&pdev->dev, &wm8350_usb_desc, NULL);  in wm8350_power_probe()
555 	if (IS_ERR(power->usb)) {  in wm8350_power_probe()
556 		ret = PTR_ERR(power->usb);  in wm8350_power_probe()
560 	ret = device_create_file(&pdev->dev, &dev_attr_charger_state);  in wm8350_power_probe()
562 		dev_warn(wm8350->dev, "failed to add charge sysfs: %d\n", ret);  in wm8350_power_probe()
575 	power_supply_unregister(power->battery);  in wm8350_power_probe()
577 	power_supply_unregister(power->ac);  in wm8350_power_probe()
585 	struct wm8350_power *power = &wm8350->power;  in wm8350_power_remove()  local
588 	device_remove_file(&pdev->dev, &dev_attr_charger_state);  in wm8350_power_remove()
589 	power_supply_unregister(power->battery);  in wm8350_power_remove()
590 	power_supply_unregister(power->ac);  in wm8350_power_remove()
591 	power_supply_unregister(power->usb);  in wm8350_power_remove()
599 		.name = "wm8350-power",
606 MODULE_DESCRIPTION("Power supply driver for WM8350");
607 MODULE_ALIAS("platform:wm8350-power");