1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/mfd/rt5033-private.h>
33 	struct regmap *regmap = charger->regmap;  in rt5033_get_charger_state()
64 	struct regmap *regmap = charger->regmap;  in rt5033_get_charger_type()
86 	struct regmap *regmap = charger->regmap;  in rt5033_get_charger_current_limit()
102 	struct regmap *regmap = charger->regmap;  in rt5033_get_charger_const_voltage()
118 	struct rt5033_charger_data *chg = charger->chg;  in rt5033_init_const_charge()
124 	if (chg->const_uvolt < RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN ||  in rt5033_init_const_charge()
125 	    chg->const_uvolt > RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX) {  in rt5033_init_const_charge()
126 		dev_err(charger->dev,  in rt5033_init_const_charge()
127 			"Value 'constant-charge-voltage-max-microvolt' out of range\n");  in rt5033_init_const_charge()
128 		return -EINVAL;  in rt5033_init_const_charge()
131 	if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN)  in rt5033_init_const_charge()
133 	else if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX)  in rt5033_init_const_charge()
136 		val = chg->const_uvolt;  in rt5033_init_const_charge()
137 		val -= RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN;  in rt5033_init_const_charge()
142 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL2,  in rt5033_init_const_charge()
146 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_const_charge()
147 		return -EINVAL;  in rt5033_init_const_charge()
151 	if (chg->eoc_uamp < RT5033_CHARGER_EOC_MIN ||  in rt5033_init_const_charge()
152 	    chg->eoc_uamp > RT5033_CHARGER_EOC_MAX) {  in rt5033_init_const_charge()
153 		dev_err(charger->dev,  in rt5033_init_const_charge()
154 			"Value 'charge-term-current-microamp' out of range\n");  in rt5033_init_const_charge()
155 		return -EINVAL;  in rt5033_init_const_charge()
158 	if (chg->eoc_uamp == RT5033_CHARGER_EOC_MIN)  in rt5033_init_const_charge()
160 	else if (chg->eoc_uamp == RT5033_CHARGER_EOC_MAX)  in rt5033_init_const_charge()
163 		val = chg->eoc_uamp;  in rt5033_init_const_charge()
165 			val -= RT5033_CHARGER_EOC_MIN;  in rt5033_init_const_charge()
169 			val -= RT5033_CHARGER_EOC_REF;  in rt5033_init_const_charge()
177 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,  in rt5033_init_const_charge()
180 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_const_charge()
181 		return -EINVAL;  in rt5033_init_const_charge()
189 	struct rt5033_charger_data *chg = charger->chg;  in rt5033_init_fast_charge()
195 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL1,  in rt5033_init_fast_charge()
198 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_fast_charge()
199 		return -EINVAL;  in rt5033_init_fast_charge()
202 	/* Set fast-charge mode charging current */  in rt5033_init_fast_charge()
203 	if (chg->fast_uamp < RT5033_CHARGER_FAST_CURRENT_MIN ||  in rt5033_init_fast_charge()
204 	    chg->fast_uamp > RT5033_CHARGER_FAST_CURRENT_MAX) {  in rt5033_init_fast_charge()
205 		dev_err(charger->dev,  in rt5033_init_fast_charge()
206 			"Value 'constant-charge-current-max-microamp' out of range\n");  in rt5033_init_fast_charge()
207 		return -EINVAL;  in rt5033_init_fast_charge()
210 	if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MIN)  in rt5033_init_fast_charge()
212 	else if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MAX)  in rt5033_init_fast_charge()
215 		val = chg->fast_uamp;  in rt5033_init_fast_charge()
216 		val -= RT5033_CHARGER_FAST_CURRENT_MIN;  in rt5033_init_fast_charge()
221 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL5,  in rt5033_init_fast_charge()
225 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_fast_charge()
226 		return -EINVAL;  in rt5033_init_fast_charge()
234 	struct rt5033_charger_data *chg = charger->chg;  in rt5033_init_pre_charge()
239 	/* Set pre-charge threshold voltage */  in rt5033_init_pre_charge()
240 	if (chg->pre_uvolt < RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN ||  in rt5033_init_pre_charge()
241 	    chg->pre_uvolt > RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX) {  in rt5033_init_pre_charge()
242 		dev_err(charger->dev,  in rt5033_init_pre_charge()
243 			"Value 'precharge-upper-limit-microvolt' out of range\n");  in rt5033_init_pre_charge()
244 		return -EINVAL;  in rt5033_init_pre_charge()
247 	if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN)  in rt5033_init_pre_charge()
249 	else if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX)  in rt5033_init_pre_charge()
252 		val = chg->pre_uvolt;  in rt5033_init_pre_charge()
253 		val -= RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN;  in rt5033_init_pre_charge()
258 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL5,  in rt5033_init_pre_charge()
261 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_pre_charge()
262 		return -EINVAL;  in rt5033_init_pre_charge()
265 	/* Set pre-charge mode charging current */  in rt5033_init_pre_charge()
266 	if (chg->pre_uamp < RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN ||  in rt5033_init_pre_charge()
267 	    chg->pre_uamp > RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX) {  in rt5033_init_pre_charge()
268 		dev_err(charger->dev,  in rt5033_init_pre_charge()
269 			"Value 'precharge-current-microamp' out of range\n");  in rt5033_init_pre_charge()
270 		return -EINVAL;  in rt5033_init_pre_charge()
273 	if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN)  in rt5033_init_pre_charge()
275 	else if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX)  in rt5033_init_pre_charge()
278 		val = chg->pre_uamp;  in rt5033_init_pre_charge()
279 		val -= RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN;  in rt5033_init_pre_charge()
284 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,  in rt5033_init_pre_charge()
288 		dev_err(charger->dev, "Failed regmap update\n");  in rt5033_init_pre_charge()
289 		return -EINVAL;  in rt5033_init_pre_charge()
300 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL1,  in rt5033_charger_reg_init()
303 		dev_err(charger->dev, "Failed to enable charging termination.\n");  in rt5033_charger_reg_init()
304 		return -EINVAL;  in rt5033_charger_reg_init()
311 	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,  in rt5033_charger_reg_init()
314 		dev_err(charger->dev, "Failed to disable MIVR.\n");  in rt5033_charger_reg_init()
315 		return -EINVAL;  in rt5033_charger_reg_init()
351 		val->intval = rt5033_get_charger_state(charger);  in rt5033_charger_get_property()
354 		val->intval = rt5033_get_charger_type(charger);  in rt5033_charger_get_property()
357 		val->intval = rt5033_get_charger_current_limit(charger);  in rt5033_charger_get_property()
360 		val->intval = rt5033_get_charger_const_voltage(charger);  in rt5033_charger_get_property()
363 		val->strval = RT5033_CHARGER_MODEL;  in rt5033_charger_get_property()
366 		val->strval = RT5033_MANUFACTURER;  in rt5033_charger_get_property()
369 		val->intval = (rt5033_get_charger_state(charger) ==  in rt5033_charger_get_property()
373 		return -EINVAL;  in rt5033_charger_get_property()
386 	chg = devm_kzalloc(charger->dev, sizeof(*chg), GFP_KERNEL);  in rt5033_charger_dt_init()
388 		return ERR_PTR(-ENOMEM);  in rt5033_charger_dt_init()
390 	ret = power_supply_get_battery_info(charger->psy, &info);  in rt5033_charger_dt_init()
392 		return ERR_PTR(dev_err_probe(charger->dev, -EINVAL,  in rt5033_charger_dt_init()
396 	chg->pre_uamp = info->precharge_current_ua;  in rt5033_charger_dt_init()
397 	chg->fast_uamp = info->constant_charge_current_max_ua;  in rt5033_charger_dt_init()
398 	chg->eoc_uamp = info->charge_term_current_ua;  in rt5033_charger_dt_init()
399 	chg->pre_uvolt = info->precharge_voltage_max_uv;  in rt5033_charger_dt_init()
400 	chg->const_uvolt = info->constant_charge_voltage_max_uv;  in rt5033_charger_dt_init()
406 	.name = "rt5033-charger",
419 	charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);  in rt5033_charger_probe()
421 		return -ENOMEM;  in rt5033_charger_probe()
424 	charger->dev = &pdev->dev;  in rt5033_charger_probe()
425 	charger->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in rt5033_charger_probe()
427 	psy_cfg.of_node = pdev->dev.of_node;  in rt5033_charger_probe()
430 	charger->psy = devm_power_supply_register(&pdev->dev,  in rt5033_charger_probe()
433 	if (IS_ERR(charger->psy))  in rt5033_charger_probe()
434 		return dev_err_probe(&pdev->dev, PTR_ERR(charger->psy),  in rt5033_charger_probe()
437 	charger->chg = rt5033_charger_dt_init(charger);  in rt5033_charger_probe()
438 	if (IS_ERR_OR_NULL(charger->chg))  in rt5033_charger_probe()
439 		return PTR_ERR(charger->chg);  in rt5033_charger_probe()
449 	{ "rt5033-charger", },
455 	{ .compatible = "richtek,rt5033-charger", },
462 		.name = "rt5033-charger",