power/supply/rt9455_charger.c

277 	int ret;
279 	ret = regmap_field_read(info->regmap_fields[field], &v);
280 	if (ret)
281 		return ret;
302 	int ret, limit = 100;
304 	ret = regmap_field_write(info->regmap_fields[F_RST], 0x01);
305 	if (ret) {
307 		return ret;
315 		ret = regmap_field_read(info->regmap_fields[F_RST], &v);
316 		if (ret) {
318 			return ret;
357 	int ret;
359 	ret = regmap_field_read(info->regmap_fields[F_PWR_RDY],
361 	if (ret) {
363 		return ret;
375 	ret = regmap_field_read(info->regmap_fields[F_STAT], &v);
376 	if (ret) {
378 		return ret;
410 	int ret;
414 	ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &v);
415 	if (ret) {
417 		return ret;
433 	ret = regmap_read(info->regmap, RT9455_REG_IRQ2, &v);
434 	if (ret) {
436 		return ret;
448 	ret = regmap_read(info->regmap, RT9455_REG_IRQ3, &v);
449 	if (ret) {
451 		return ret;
471 	ret = regmap_field_read(info->regmap_fields[F_STAT], &v);
472 	if (ret) {
474 		return ret;
489 	int ret;
491 	ret = regmap_field_read(info->regmap_fields[F_BATAB], &v);
492 	if (ret) {
494 		return ret;
510 	int ret;
512 	ret = regmap_field_read(info->regmap_fields[F_PWR_RDY], &v);
513 	if (ret) {
515 		return ret;
527 	int ret;
529 	ret = rt9455_get_field_val(info, F_ICHRG,
533 	if (ret) {
535 		return ret;
557 	int ret;
559 	ret = rt9455_get_field_val(info, F_VOREG,
563 	if (ret) {
565 		return ret;
587 	int ichrg, ieoc_percentage, ret;
589 	ret = rt9455_get_field_val(info, F_ICHRG,
593 	if (ret) {
595 		return ret;
598 	ret = rt9455_get_field_val(info, F_IEOC_PERCENTAGE,
602 	if (ret) {
604 		return ret;
656 	int idx, ret;
658 	ret = rt9455_register_reset(info);
659 	if (ret) {
661 		return ret;
665 	ret = regmap_field_write(info->regmap_fields[F_TE], 1);
666 	if (ret) {
668 		return ret;
672 	ret = regmap_field_write(info->regmap_fields[F_TE_SHDN_EN], 1);
673 	if (ret) {
675 		return ret;
682 	ret = regmap_field_write(info->regmap_fields[F_BATD_EN], 1);
683 	if (ret) {
685 		return ret;
699 	ret = regmap_field_write(info->regmap_fields[F_TMR_EN], 0x00);
700 	if (ret) {
702 		return ret;
706 	ret = rt9455_set_field_val(info, F_ICHRG,
709 	if (ret) {
711 		return ret;
715 	ret = rt9455_set_field_val(info, F_IEOC_PERCENTAGE,
719 	if (ret) {
721 		return ret;
725 	ret = rt9455_set_field_val(info, F_VOREG,
729 	if (ret) {
731 		return ret;
736 	ret = rt9455_set_field_val(info, F_VMREG,
740 	if (ret) {
742 		return ret;
752 	ret = rt9455_set_field_val(info, F_MIVR,
755 	if (ret) {
757 		return ret;
767 	ret = rt9455_set_field_val(info, F_IAICR,
770 	if (ret) {
772 		return ret;
779 	ret = regmap_field_write(info->regmap_fields[F_IAICR_INT], 0x01);
780 	if (ret) {
782 		return ret;
790 	ret = regmap_field_write(info->regmap_fields[F_CHMIVRIM], 0x01);
791 	if (ret) {
793 		return ret;
811 	int ret;
813 	ret = rt9455_set_field_val(info, F_VOREG,
817 	if (ret) {
819 		return ret;
837 	int ret;
839 	ret = rt9455_set_field_val(info, F_VOREG,
843 	if (ret) {
845 		return ret;
859 	int ret;
861 	ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &irq1);
862 	if (ret) {
864 		return ret;
867 	ret = regmap_read(info->regmap, RT9455_REG_MASK1, &mask1);
868 	if (ret) {
870 		return ret;
889 			ret = regmap_field_write(info->regmap_fields[F_BATABM],
891 			if (ret) {
893 				return ret;
897 		ret = regmap_read(info->regmap, RT9455_REG_MASK2, &mask2);
898 		if (ret) {
900 			return ret;
904 			ret = regmap_field_write(
906 			if (ret) {
908 				return ret;
913 			ret = regmap_field_write(
915 			if (ret) {
917 				return ret;
952 	int ret;
954 	ret = regmap_read(info->regmap, RT9455_REG_IRQ2, &irq2);
955 	if (ret) {
957 		return ret;
960 	ret = regmap_read(info->regmap, RT9455_REG_MASK2, &mask2);
961 	if (ret) {
963 		return ret;
991 				ret = regmap_field_write(
993 				if (ret) {
995 					return ret;
1009 		ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
1011 		if (ret) {
1013 			return ret;
1016 			ret = regmap_field_write(
1018 			if (ret) {
1020 				return ret;
1064 	int ret;
1066 	ret = regmap_read(info->regmap, RT9455_REG_IRQ3, &irq3);
1067 	if (ret) {
1069 		return ret;
1072 	ret = regmap_read(info->regmap, RT9455_REG_MASK3, &mask3);
1073 	if (ret) {
1075 		return ret;
1097 		ret = rt9455_set_voreg_before_charge_mode(info);
1098 		if (ret) {
1100 			return ret;
1102 		ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
1104 		if (ret) {
1106 			return ret;
1121 	int ret;
1133 	ret = regmap_field_read(info->regmap_fields[F_STAT], &status);
1134 	if (ret) {
1151 	ret = rt9455_irq_handler_check_irq1_register(info, &is_battery_absent,
1153 	if (ret) {
1158 	ret = rt9455_irq_handler_check_irq2_register(info, is_battery_absent,
1160 	if (ret) {
1165 	ret = rt9455_irq_handler_check_irq3_register(info, &alert_userspace);
1166 	if (ret) {
1189 	int ret;
1199 	ret = device_property_read_u32(dev, "richtek,output-charge-current",
1201 	if (ret) {
1203 		return ret;
1206 	ret = device_property_read_u32(dev, "richtek,end-of-charge-percentage",
1208 	if (ret) {
1210 		return ret;
1213 	ret = device_property_read_u32(dev,
1216 	if (ret) {
1218 		return ret;
1221 	ret = device_property_read_u32(dev, "richtek,boost-output-voltage",
1223 	if (ret) {
1225 		return ret;
1245 	int ret;
1248 		ret = rt9455_set_voreg_before_charge_mode(info);
1249 		if (ret) {
1251 			return ret;
1260 		ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
1262 		if (ret) {
1270 		ret = regmap_field_write(info->regmap_fields[F_IAICR],
1272 		if (ret) {
1285 	int ret;
1288 		ret = rt9455_set_voreg_before_charge_mode(info);
1289 		if (ret) {
1291 			return ret;
1300 		ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
1302 		if (ret) {
1310 		ret = regmap_field_write(info->regmap_fields[F_IAICR],
1312 		if (ret) {
1325 	int ret;
1328 		ret = rt9455_set_boost_voltage_before_boost_mode(info);
1329 		if (ret) {
1331 			return ret;
1340 		ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
1342 		if (ret) {
1350 		ret = regmap_field_write(info->regmap_fields[F_IAICR],
1352 		if (ret) {
1365 	int ret;
1368 		ret = rt9455_set_voreg_before_charge_mode(info);
1369 		if (ret) {
1371 			return ret;
1380 		ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
1382 		if (ret) {
1390 		ret = regmap_field_write(info->regmap_fields[F_IAICR],
1392 		if (ret) {
1407 	int ret;
1413 	ret = regmap_field_read(info->regmap_fields[F_OPA_MODE],
1415 	if (ret) {
1420 	ret = regmap_field_read(info->regmap_fields[F_IAICR],
1422 	if (ret) {
1450 	int ret;
1452 	ret = regmap_field_read(info->regmap_fields[F_PWR_RDY], &pwr_rdy);
1453 	if (ret) {
1464 		ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
1466 		if (ret) {
1487 	int ret;
1490 	ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
1492 	if (ret)
1502 	int ret;
1504 	ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &irq1);
1505 	if (ret) {
1523 		ret = regmap_read(info->regmap, RT9455_REG_MASK1, &mask1);
1524 		if (ret) {
1530 			ret = regmap_field_write(info->regmap_fields[F_BATABM],
1532 			if (ret)
1599 	int i, ret;
1630 	ret = rt9455_discover_charger(info, &ichrg, &ieoc_percentage,
1632 	if (ret) {
1634 		return ret;
1643 		ret = usb_register_notifier(info->usb_phy, &info->nb);
1644 		if (ret) {
1666 	ret = devm_request_threaded_irq(dev, client->irq, NULL,
1670 	if (ret) {
1675 	ret = rt9455_hw_init(info, ichrg, ieoc_percentage, mivr, iaicr);
1676 	if (ret) {
1685 		ret = PTR_ERR(info->charger);
1698 	return ret;
1703 	int ret;
1706 	ret = rt9455_register_reset(info);
1707 	if (ret)