3  * TWL6030 charger
218 static int twl6030_config_cinlimit_reg(struct twl6030_charger_info *charger,  in twl6030_config_cinlimit_reg()  argument
223 	} else if ((ua > 750000) && (ua <= 1500000) && charger->extended_current_range) {  in twl6030_config_cinlimit_reg()
227 			dev_err(charger->dev, "invalid input current limit\n");  in twl6030_config_cinlimit_reg()
241 static int twl6030_enable_usb(struct twl6030_charger_info *charger)  in twl6030_enable_usb()  argument
246 				    UA_TO_VICHRG(charger->binfo->constant_charge_current_max_ua));  in twl6030_enable_usb()
254 	charger->input_current_limit = 500000;  in twl6030_enable_usb()
255 	ret = twl6030_config_cinlimit_reg(charger, charger->input_current_limit);  in twl6030_enable_usb()
264 				    UV_TO_VOREG(charger->binfo->constant_charge_voltage_max_uv));  in twl6030_enable_usb()
272 	if (charger->binfo->charge_term_current_ua != -EINVAL) {  in twl6030_enable_usb()
274 					    UA_TO_VITERM(charger->binfo->charge_term_current_ua));  in twl6030_enable_usb()
284 	struct twl6030_charger_info *charger =  in twl6030_charger_wdg()  local
297 	dev_dbg(charger->dev,  in twl6030_charger_wdg()
303 	schedule_delayed_work(&charger->charger_monitor,  in twl6030_charger_wdg()
309 	struct twl6030_charger_info *charger = arg;  in twl6030_charger_interrupt()  local
327 	dev_dbg(charger->dev,  in twl6030_charger_interrupt()
328 		"charger irq: stat1: %02x %s INT_STATUS %02x STATUS_INT1 %02x STATUS_INT2 %02x\n",  in twl6030_charger_interrupt()
331 	power_supply_changed(charger->usb);  in twl6030_charger_interrupt()
338 			if (twl6030_enable_usb(charger) < 0)  in twl6030_charger_interrupt()
341 			schedule_delayed_work(&charger->charger_monitor,  in twl6030_charger_interrupt()
345 		cancel_delayed_work(&charger->charger_monitor);  in twl6030_charger_interrupt()
354 	struct twl6030_charger_info *charger = power_supply_get_drvdata(psy);  in twl6030_charger_usb_get_property()  local
381 		if (!charger->channel_vusb)  in twl6030_charger_usb_get_property()
384 		ret = iio_read_channel_processed_scale(charger->channel_vusb, &val->intval, 1000);  in twl6030_charger_usb_get_property()
393 		val->intval = charger->input_current_limit;  in twl6030_charger_usb_get_property()
406 	struct twl6030_charger_info *charger = power_supply_get_drvdata(psy);  in twl6030_charger_usb_set_property()  local
410 		charger->input_current_limit = val->intval;  in twl6030_charger_usb_set_property()
411 		return twl6030_config_cinlimit_reg(charger, charger->input_current_limit);  in twl6030_charger_usb_set_property()
450 	struct twl6030_charger_info *charger;  in twl6030_charger_probe()  local
456 	charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);  in twl6030_charger_probe()
457 	if (!charger)  in twl6030_charger_probe()
460 	charger->dev = &pdev->dev;  in twl6030_charger_probe()
461 	charger->irq_chg = platform_get_irq(pdev, 0);  in twl6030_charger_probe()
467 	charger->extended_current_range = chip_data->extended_current_range;  in twl6030_charger_probe()
468 	platform_set_drvdata(pdev, charger);  in twl6030_charger_probe()
469 	psy_cfg.drv_data = charger;  in twl6030_charger_probe()
472 	charger->channel_vusb = devm_iio_channel_get(&pdev->dev, "vusb");  in twl6030_charger_probe()
473 	if (IS_ERR(charger->channel_vusb)) {  in twl6030_charger_probe()
474 		ret = PTR_ERR(charger->channel_vusb);  in twl6030_charger_probe()
479 		charger->channel_vusb = NULL;  in twl6030_charger_probe()
482 	charger->usb = devm_power_supply_register(&pdev->dev,  in twl6030_charger_probe()
485 	if (IS_ERR(charger->usb))  in twl6030_charger_probe()
486 		return dev_err_probe(&pdev->dev, PTR_ERR(charger->usb),  in twl6030_charger_probe()
489 	ret = power_supply_get_battery_info(charger->usb, &charger->binfo);  in twl6030_charger_probe()
495 		 charger->binfo->constant_charge_voltage_max_uv,  in twl6030_charger_probe()
496 		 charger->binfo->constant_charge_current_max_ua);  in twl6030_charger_probe()
498 	if (charger->binfo->constant_charge_voltage_max_uv == -EINVAL) {  in twl6030_charger_probe()
503 		charger->binfo->constant_charge_voltage_max_uv =  in twl6030_charger_probe()
507 	if (charger->binfo->constant_charge_voltage_max_uv > 4760000 ||  in twl6030_charger_probe()
508 	    charger->binfo->constant_charge_voltage_max_uv < 350000)  in twl6030_charger_probe()
512 	if (charger->binfo->constant_charge_current_max_ua == -EINVAL) {  in twl6030_charger_probe()
517 		charger->binfo->constant_charge_current_max_ua = VICHRG_TO_UA(val);  in twl6030_charger_probe()
520 	if (charger->binfo->constant_charge_current_max_ua < 100000 ||  in twl6030_charger_probe()
521 	    charger->binfo->constant_charge_current_max_ua > 1500000) {  in twl6030_charger_probe()
526 	if ((charger->binfo->charge_term_current_ua != -EINVAL) &&  in twl6030_charger_probe()
527 	    (charger->binfo->charge_term_current_ua > 400000 ||  in twl6030_charger_probe()
528 	     charger->binfo->charge_term_current_ua < 50000)) {  in twl6030_charger_probe()
534 					   &charger->charger_monitor,  in twl6030_charger_probe()
540 	ret = devm_request_threaded_irq(&pdev->dev, charger->irq_chg, NULL,  in twl6030_charger_probe()
543 					charger);  in twl6030_charger_probe()
547 				     charger->irq_chg);  in twl6030_charger_probe()
551 	twl6030_charger_interrupt(0, charger);  in twl6030_charger_probe()
565 	{.compatible = "ti,twl6030-charger", .data = &twl6030_data},
566 	{.compatible = "ti,twl6032-charger", .data = &twl6032_data},
580 MODULE_DESCRIPTION("TWL6030 Battery Charger Interface driver");