1 // SPDX-License-Identifier: GPL-2.0
55 	.max_register = PCA9450_MAX_REGISTER - 1,
168 	if (ret == -EINVAL)  in buck_set_dvs()
173 	for (i = 0; i < desc->n_voltages; i++) {  in buck_set_dvs()
178 			i <<= ffs(desc->vsel_mask) - 1;  in buck_set_dvs()
189 		ret = regmap_update_bits(regmap, regulator->desc.enable_reg,  in buck_set_dvs()
201 	const struct pc9450_dvs_config *dvs = &data->dvs;  in pca9450_set_dvs_levels()
209 			prop = "nxp,dvs-run-voltage";  in pca9450_set_dvs_levels()
210 			reg = dvs->run_reg;  in pca9450_set_dvs_levels()
211 			mask = dvs->run_mask;  in pca9450_set_dvs_levels()
214 			prop = "nxp,dvs-standby-voltage";  in pca9450_set_dvs_levels()
215 			reg = dvs->standby_reg;  in pca9450_set_dvs_levels()
216 			mask = dvs->standby_mask;  in pca9450_set_dvs_levels()
219 			return -EINVAL;  in pca9450_set_dvs_levels()
222 		ret = buck_set_dvs(desc, np, cfg->regmap, prop, reg, mask);  in pca9450_set_dvs_levels()
877 	struct regmap *regmap = pca9450->regmap;  in pca9450_irq_handler()
883 		dev_err(pca9450->dev,  in pca9450_irq_handler()
889 		dev_warn(pca9450->dev, "PWRON interrupt.\n");  in pca9450_irq_handler()
892 		dev_warn(pca9450->dev, "WDOGB interrupt.\n");  in pca9450_irq_handler()
895 		dev_warn(pca9450->dev, "VRFLT1 interrupt.\n");  in pca9450_irq_handler()
898 		dev_warn(pca9450->dev, "VRFLT2 interrupt.\n");  in pca9450_irq_handler()
901 		dev_warn(pca9450->dev, "LOWVSYS interrupt.\n");  in pca9450_irq_handler()
904 		dev_warn(pca9450->dev, "IRQ_THERM_105 interrupt.\n");  in pca9450_irq_handler()
907 		dev_warn(pca9450->dev, "IRQ_THERM_125 interrupt.\n");  in pca9450_irq_handler()
915 				      of_device_get_match_data(&i2c->dev);  in pca9450_i2c_probe()
923 	pca9450 = devm_kzalloc(&i2c->dev, sizeof(struct pca9450), GFP_KERNEL);  in pca9450_i2c_probe()
925 		return -ENOMEM;  in pca9450_i2c_probe()
930 		pca9450->rcnt = ARRAY_SIZE(pca9450a_regulators);  in pca9450_i2c_probe()
934 		pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators);  in pca9450_i2c_probe()
939 		pca9450->rcnt = ARRAY_SIZE(pca9451a_regulators);  in pca9450_i2c_probe()
942 		dev_err(&i2c->dev, "Unknown device type");  in pca9450_i2c_probe()
943 		return -EINVAL;  in pca9450_i2c_probe()
946 	pca9450->irq = i2c->irq;  in pca9450_i2c_probe()
947 	pca9450->type = type;  in pca9450_i2c_probe()
948 	pca9450->dev = &i2c->dev;  in pca9450_i2c_probe()
950 	dev_set_drvdata(&i2c->dev, pca9450);  in pca9450_i2c_probe()
952 	pca9450->regmap = devm_regmap_init_i2c(i2c,  in pca9450_i2c_probe()
954 	if (IS_ERR(pca9450->regmap))  in pca9450_i2c_probe()
955 		return dev_err_probe(&i2c->dev, PTR_ERR(pca9450->regmap),  in pca9450_i2c_probe()
958 	ret = regmap_read(pca9450->regmap, PCA9450_REG_DEV_ID, &device_id);  in pca9450_i2c_probe()
960 		return dev_err_probe(&i2c->dev, ret, "Read device id error\n");  in pca9450_i2c_probe()
967 		return dev_err_probe(&i2c->dev, -EINVAL,  in pca9450_i2c_probe()
970 	for (i = 0; i < pca9450->rcnt; i++) {  in pca9450_i2c_probe()
976 		desc = &r->desc;  in pca9450_i2c_probe()
978 		if (type == PCA9450_TYPE_PCA9451A && !strcmp(desc->name, "ldo3"))  in pca9450_i2c_probe()
981 		config.regmap = pca9450->regmap;  in pca9450_i2c_probe()
982 		config.dev = pca9450->dev;  in pca9450_i2c_probe()
984 		rdev = devm_regulator_register(pca9450->dev, desc, &config);  in pca9450_i2c_probe()
986 			return dev_err_probe(pca9450->dev, PTR_ERR(rdev),  in pca9450_i2c_probe()
987 					     "Failed to register regulator(%s)\n", desc->name);  in pca9450_i2c_probe()
990 	if (pca9450->irq) {  in pca9450_i2c_probe()
991 		ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL,  in pca9450_i2c_probe()
994 						"pca9450-irq", pca9450);  in pca9450_i2c_probe()
996 			return dev_err_probe(pca9450->dev, ret, "Failed to request IRQ: %d\n",  in pca9450_i2c_probe()
997 					     pca9450->irq);  in pca9450_i2c_probe()
1000 		ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_INT1_MSK,  in pca9450_i2c_probe()
1005 			return dev_err_probe(&i2c->dev, ret, "Unmask irq error\n");  in pca9450_i2c_probe()
1009 	ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS,  in pca9450_i2c_probe()
1012 		return dev_err_probe(&i2c->dev, ret,  "Failed to clear PRESET_EN bit\n");  in pca9450_i2c_probe()
1014 	if (of_property_read_bool(i2c->dev.of_node, "nxp,wdog_b-warm-reset"))  in pca9450_i2c_probe()
1019 	/* Set reset behavior on assertion of WDOG_B signal */  in pca9450_i2c_probe()
1020 	ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL,  in pca9450_i2c_probe()
1023 		return dev_err_probe(&i2c->dev, ret, "Failed to set WDOG_B reset behavior\n");  in pca9450_i2c_probe()
1025 	if (of_property_read_bool(i2c->dev.of_node, "nxp,i2c-lt-enable")) {  in pca9450_i2c_probe()
1027 		ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_CONFIG2,  in pca9450_i2c_probe()
1030 			return dev_err_probe(&i2c->dev, ret,  in pca9450_i2c_probe()
1039 	pca9450->sd_vsel_gpio = gpiod_get_optional(pca9450->dev, "sd-vsel", GPIOD_OUT_HIGH);  in pca9450_i2c_probe()
1041 	if (IS_ERR(pca9450->sd_vsel_gpio))  in pca9450_i2c_probe()
1042 		return dev_err_probe(&i2c->dev, PTR_ERR(pca9450->sd_vsel_gpio),  in pca9450_i2c_probe()
1045 	dev_info(&i2c->dev, "%s probed.\n",  in pca9450_i2c_probe()
1079 		.name = "nxp-pca9450",