Lines Matching +full:li +full:- +full:ion
1 // SPDX-License-Identifier: GPL-2.0-only
4 * This driver is for the multi-block Switch-Mode Battery Charger and Boost
6 * integrated, single-cell lithium-ion battery charger.
8 * Sub-components:
9 * - Charger core
10 * - Buck
11 * - DC charge-path
12 * - USB charge-path
13 * - Battery interface
14 * - Boost (not implemented)
15 * - Misc
16 * - HF-Buck
29 #include <linux/extcon-provider.h>
141 return 5600000 + (index - 43) * 200000;
188 .name = "qcom,fast-charge-safe-current",
196 .name = "qcom,fast-charge-current-limit",
204 .name = "qcom,dc-current-limit",
211 .name = "qcom,fast-charge-safe-voltage",
219 .name = "qcom,fast-charge-high-threshold-voltage",
227 .name = "qcom,fast-charge-low-threshold-voltage",
234 .name = "qcom,auto-recharge-threshold-voltage",
241 .name = "qcom,minimum-input-voltage",
248 .name = "usb-charge-current-limit",
266 if (val > prop->max || val < prop->min) {
267 dev_err(chg->dev, "value out of range for %s [%u:%u]\n",
268 prop->name, prop->min, prop->max);
269 return -EINVAL;
272 if (prop->safe_reg) {
273 rc = regmap_read(chg->regmap,
274 chg->addr + prop->safe_reg, &wval);
276 dev_err(chg->dev,
278 prop->name);
282 wval = prop->hw_fn(wval);
285 dev_warn(chg->dev,
287 prop->name, wval);
292 wval = smbb_hw_lookup(val, prop->hw_fn);
294 rc = regmap_write(chg->regmap, chg->addr + prop->reg, wval);
296 dev_err(chg->dev, "unable to update %s", prop->name);
299 out = prop->hw_fn(wval);
301 dev_warn(chg->dev,
303 prop->name, out);
306 dev_dbg(chg->dev, "%s <= %d\n", prop->name, out);
308 chg->attr[which] = out;
322 rc = regmap_read(chg->regmap, chg->addr + prop->reg, &val);
324 dev_err(chg->dev, "failed to read %s\n", prop->name);
327 val = prop->hw_fn(val);
328 dev_dbg(chg->dev, "%s => %d\n", prop->name, val);
330 chg->attr[which] = val;
344 rc = of_property_read_u32(chg->dev->of_node, prop->name, &val);
347 if (!rc || !prop->fail_ok)
360 dev_err(chg->dev, "failed to read irq line\n");
364 mutex_lock(&chg->statlock);
366 chg->status |= flag;
368 chg->status &= ~flag;
369 mutex_unlock(&chg->statlock);
371 dev_dbg(chg->dev, "status = %03lx\n", chg->status);
379 extcon_set_state_sync(chg->edev, EXTCON_USB,
380 chg->status & STATUS_USBIN_VALID);
381 power_supply_changed(chg->usb_psy);
391 if (!chg->dc_disabled)
392 power_supply_changed(chg->dc_psy);
403 rc = regmap_read(chg->regmap, chg->addr + SMBB_BAT_TEMP_STATUS, &val);
407 mutex_lock(&chg->statlock);
409 chg->status |= STATUS_BAT_OK;
411 chg->status &= ~STATUS_BAT_OK;
413 chg->status |= STATUS_BAT_HOT;
415 mutex_unlock(&chg->statlock);
417 power_supply_changed(chg->bat_psy);
426 power_supply_changed(chg->bat_psy);
436 power_supply_changed(chg->bat_psy);
446 power_supply_changed(chg->bat_psy);
447 power_supply_changed(chg->usb_psy);
448 if (!chg->dc_disabled)
449 power_supply_changed(chg->dc_psy);
459 power_supply_changed(chg->bat_psy);
469 power_supply_changed(chg->bat_psy);
478 { "chg-done", smbb_chg_done_handler },
479 { "chg-fast", smbb_chg_fast_handler },
480 { "chg-trkl", smbb_chg_trkl_handler },
481 { "bat-temp-ok", smbb_bat_temp_handler },
482 { "bat-present", smbb_bat_present_handler },
483 { "chg-gone", smbb_chg_gone_handler },
484 { "usb-valid", smbb_usb_valid_handler },
485 { "dc-valid", smbb_dc_valid_handler },
497 mutex_lock(&chg->statlock);
498 val->intval = !(chg->status & STATUS_CHG_GONE) &&
499 (chg->status & STATUS_USBIN_VALID);
500 mutex_unlock(&chg->statlock);
503 val->intval = chg->attr[ATTR_USBIN_IMAX];
506 val->intval = 2500000;
509 rc = -EINVAL;
526 val->intval);
529 rc = -EINVAL;
545 mutex_lock(&chg->statlock);
546 val->intval = !(chg->status & STATUS_CHG_GONE) &&
547 (chg->status & STATUS_DCIN_VALID);
548 mutex_unlock(&chg->statlock);
551 val->intval = chg->attr[ATTR_DCIN_IMAX];
554 val->intval = 2500000;
557 rc = -EINVAL;
574 val->intval);
577 rc = -EINVAL;
598 mutex_lock(&chg->statlock);
599 status = chg->status;
600 mutex_unlock(&chg->statlock);
605 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
607 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
609 val->intval = POWER_SUPPLY_STATUS_FULL;
611 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
613 val->intval = POWER_SUPPLY_STATUS_CHARGING;
615 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
619 val->intval = POWER_SUPPLY_HEALTH_GOOD;
621 val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
623 val->intval = POWER_SUPPLY_HEALTH_COLD;
627 val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
629 val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
631 val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
634 val->intval = !!(status & STATUS_BAT_PRESENT);
637 val->intval = chg->attr[ATTR_BAT_IMAX];
640 val->intval = chg->attr[ATTR_BAT_VMAX];
643 /* this charger is a single-cell lithium-ion battery charger
647 val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
650 val->intval = 3000000; /* single-cell li-ion low end */
653 rc = -EINVAL;
669 rc = smbb_charger_attr_write(chg, ATTR_BAT_IMAX, val->intval);
672 rc = smbb_charger_attr_write(chg, ATTR_BAT_VMAX, val->intval);
675 rc = -EINVAL;
756 static char *smbb_bif[] = { "smbb-bif" };
759 .name = "smbb-bif",
769 .name = "smbb-usbin",
779 .name = "smbb-dcin",
793 rc = regmap_update_bits(chg->regmap, chg->addr + SMBB_USB_OTG_CTL,
796 dev_err(chg->dev, "failed to update OTG_CTL\n");
805 rc = regmap_update_bits(chg->regmap, chg->addr + SMBB_USB_OTG_CTL,
808 dev_err(chg->dev, "failed to update OTG_CTL\n");
818 rc = regmap_read(chg->regmap, chg->addr + SMBB_USB_OTG_CTL, &value);
820 dev_err(chg->dev, "failed to read OTG_CTL\n");
840 chg = devm_kzalloc(&pdev->dev, sizeof(*chg), GFP_KERNEL);
842 return -ENOMEM;
844 chg->dev = &pdev->dev;
845 mutex_init(&chg->statlock);
847 chg->regmap = dev_get_regmap(pdev->dev.parent, NULL);
848 if (!chg->regmap) {
849 dev_err(&pdev->dev, "failed to locate regmap\n");
850 return -ENODEV;
853 rc = of_property_read_u32(pdev->dev.of_node, "reg", &chg->addr);
855 dev_err(&pdev->dev, "missing or invalid 'reg' property\n");
859 rc = regmap_read(chg->regmap, chg->addr + SMBB_MISC_REV2, &chg->revision);
861 dev_err(&pdev->dev, "unable to read revision\n");
865 chg->revision += 1;
866 if (chg->revision != 1 && chg->revision != 2 && chg->revision != 3) {
867 dev_err(&pdev->dev, "v%d hardware not supported\n", chg->revision);
868 return -ENODEV;
870 dev_info(&pdev->dev, "Initializing SMBB rev %u", chg->revision);
872 chg->dc_disabled = of_property_read_bool(pdev->dev.of_node, "qcom,disable-dc");
877 dev_err(&pdev->dev, "failed to parse/apply settings\n");
883 bat_cfg.fwnode = dev_fwnode(&pdev->dev);
884 chg->bat_psy = devm_power_supply_register(&pdev->dev,
887 if (IS_ERR(chg->bat_psy)) {
888 dev_err(&pdev->dev, "failed to register battery\n");
889 return PTR_ERR(chg->bat_psy);
895 chg->usb_psy = devm_power_supply_register(&pdev->dev,
898 if (IS_ERR(chg->usb_psy)) {
899 dev_err(&pdev->dev, "failed to register USB power supply\n");
900 return PTR_ERR(chg->usb_psy);
903 chg->edev = devm_extcon_dev_allocate(&pdev->dev, smbb_usb_extcon_cable);
904 if (IS_ERR(chg->edev)) {
905 dev_err(&pdev->dev, "failed to allocate extcon device\n");
906 return -ENOMEM;
909 rc = devm_extcon_dev_register(&pdev->dev, chg->edev);
911 dev_err(&pdev->dev, "failed to register extcon device\n");
915 if (!chg->dc_disabled) {
919 chg->dc_psy = devm_power_supply_register(&pdev->dev,
922 if (IS_ERR(chg->dc_psy)) {
923 dev_err(&pdev->dev, "failed to register DC power supply\n");
924 return PTR_ERR(chg->dc_psy);
937 rc = devm_request_threaded_irq(&pdev->dev, irq, NULL,
941 dev_err(&pdev->dev, "failed to request irq '%s'\n",
951 chg->otg_rdesc.id = -1;
952 chg->otg_rdesc.name = "otg-vbus";
953 chg->otg_rdesc.ops = &smbb_chg_otg_ops;
954 chg->otg_rdesc.owner = THIS_MODULE;
955 chg->otg_rdesc.type = REGULATOR_VOLTAGE;
956 chg->otg_rdesc.supply_name = "usb-otg-in";
957 chg->otg_rdesc.of_match = "otg-vbus";
959 config.dev = &pdev->dev;
962 chg->otg_reg = devm_regulator_register(&pdev->dev, &chg->otg_rdesc,
964 if (IS_ERR(chg->otg_reg))
965 return PTR_ERR(chg->otg_reg);
967 chg->jeita_ext_temp = of_property_read_bool(pdev->dev.of_node,
968 "qcom,jeita-extended-temp-range");
971 rc = regmap_update_bits(chg->regmap, chg->addr + SMBB_BAT_BTC_CTRL,
973 chg->jeita_ext_temp ?
977 dev_err(&pdev->dev,
979 chg->jeita_ext_temp ? "JEITA extended" : "normal");
986 if (r->rev_mask & BIT(chg->revision))
989 rc = regmap_update_bits(chg->regmap, chg->addr + r->offset,
990 r->mask, r->value);
992 dev_err(&pdev->dev,
1009 regmap_update_bits(chg->regmap, chg->addr + SMBB_CHG_CTRL, CTRL_EN, 0);
1013 { .compatible = "qcom,pm8226-charger" },
1014 { .compatible = "qcom,pm8941-charger" },
1023 .name = "qcom-smbb",
1029 MODULE_DESCRIPTION("Qualcomm Switch-Mode Battery Charger and Boost driver");