1 // SPDX-License-Identifier: GPL-2.0
30 	const struct pc9450_dvs_config dvs;  member
56 	.max_register = PCA9450_MAX_REGISTER - 1,
62  * BUCK1RAM[1:0] BUCK1 DVS ramp rate setting
161 	if (ret == -EINVAL)  in buck_set_dvs()
166 	for (i = 0; i < desc->n_voltages; i++) {  in buck_set_dvs()
171 			i <<= ffs(desc->vsel_mask) - 1;  in buck_set_dvs()
186 	const struct pc9450_dvs_config *dvs = &data->dvs;  in pca9450_set_dvs_levels()  local
194 			prop = "nxp,dvs-run-voltage";  in pca9450_set_dvs_levels()
195 			reg = dvs->run_reg;  in pca9450_set_dvs_levels()
196 			mask = dvs->run_mask;  in pca9450_set_dvs_levels()
199 			prop = "nxp,dvs-standby-voltage";  in pca9450_set_dvs_levels()
200 			reg = dvs->standby_reg;  in pca9450_set_dvs_levels()
201 			mask = dvs->standby_mask;  in pca9450_set_dvs_levels()
204 			return -EINVAL;  in pca9450_set_dvs_levels()
207 		ret = buck_set_dvs(desc, np, cfg->regmap, prop, reg, mask);  in pca9450_set_dvs_levels()
238 		.dvs = {
267 		.dvs = {
296 		.dvs = {
476 		.dvs = {
505 		.dvs = {
661 	struct regmap *regmap = pca9450->regmap;  in pca9450_irq_handler()
667 		dev_err(pca9450->dev,  in pca9450_irq_handler()
673 		dev_warn(pca9450->dev, "PWRON interrupt.\n");  in pca9450_irq_handler()
676 		dev_warn(pca9450->dev, "WDOGB interrupt.\n");  in pca9450_irq_handler()
679 		dev_warn(pca9450->dev, "VRFLT1 interrupt.\n");  in pca9450_irq_handler()
682 		dev_warn(pca9450->dev, "VRFLT2 interrupt.\n");  in pca9450_irq_handler()
685 		dev_warn(pca9450->dev, "LOWVSYS interrupt.\n");  in pca9450_irq_handler()
688 		dev_warn(pca9450->dev, "IRQ_THERM_105 interrupt.\n");  in pca9450_irq_handler()
691 		dev_warn(pca9450->dev, "IRQ_THERM_125 interrupt.\n");  in pca9450_irq_handler()
700 				      of_device_get_match_data(&i2c->dev);  in pca9450_i2c_probe()
707 	if (!i2c->irq) {  in pca9450_i2c_probe()
708 		dev_err(&i2c->dev, "No IRQ configured?\n");  in pca9450_i2c_probe()
709 		return -EINVAL;  in pca9450_i2c_probe()
712 	pca9450 = devm_kzalloc(&i2c->dev, sizeof(struct pca9450), GFP_KERNEL);  in pca9450_i2c_probe()
714 		return -ENOMEM;  in pca9450_i2c_probe()
719 		pca9450->rcnt = ARRAY_SIZE(pca9450a_regulators);  in pca9450_i2c_probe()
723 		pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators);  in pca9450_i2c_probe()
726 		dev_err(&i2c->dev, "Unknown device type");  in pca9450_i2c_probe()
727 		return -EINVAL;  in pca9450_i2c_probe()
730 	pca9450->irq = i2c->irq;  in pca9450_i2c_probe()
731 	pca9450->type = type;  in pca9450_i2c_probe()
732 	pca9450->dev = &i2c->dev;  in pca9450_i2c_probe()
734 	dev_set_drvdata(&i2c->dev, pca9450);  in pca9450_i2c_probe()
736 	pca9450->regmap = devm_regmap_init_i2c(i2c,  in pca9450_i2c_probe()
738 	if (IS_ERR(pca9450->regmap)) {  in pca9450_i2c_probe()
739 		dev_err(&i2c->dev, "regmap initialization failed\n");  in pca9450_i2c_probe()
740 		return PTR_ERR(pca9450->regmap);  in pca9450_i2c_probe()
743 	ret = regmap_read(pca9450->regmap, PCA9450_REG_DEV_ID, &device_id);  in pca9450_i2c_probe()
745 		dev_err(&i2c->dev, "Read device id error\n");  in pca9450_i2c_probe()
752 		dev_err(&i2c->dev, "Device id(%x) mismatched\n",  in pca9450_i2c_probe()
754 		return -EINVAL;  in pca9450_i2c_probe()
757 	for (i = 0; i < pca9450->rcnt; i++) {  in pca9450_i2c_probe()
763 		desc = &r->desc;  in pca9450_i2c_probe()
765 		config.regmap = pca9450->regmap;  in pca9450_i2c_probe()
766 		config.dev = pca9450->dev;  in pca9450_i2c_probe()
768 		rdev = devm_regulator_register(pca9450->dev, desc, &config);  in pca9450_i2c_probe()
771 			dev_err(pca9450->dev,  in pca9450_i2c_probe()
773 				desc->name, ret);  in pca9450_i2c_probe()
778 	ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL,  in pca9450_i2c_probe()
781 					"pca9450-irq", pca9450);  in pca9450_i2c_probe()
783 		dev_err(pca9450->dev, "Failed to request IRQ: %d\n",  in pca9450_i2c_probe()
784 			pca9450->irq);  in pca9450_i2c_probe()
788 	ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_INT1_MSK,  in pca9450_i2c_probe()
793 		dev_err(&i2c->dev, "Unmask irq error\n");  in pca9450_i2c_probe()
797 	/* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */  in pca9450_i2c_probe()
798 	ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS,  in pca9450_i2c_probe()
801 		dev_err(&i2c->dev, "Failed to clear PRESET_EN bit: %d\n", ret);  in pca9450_i2c_probe()
806 	ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL,  in pca9450_i2c_probe()
809 		dev_err(&i2c->dev, "Failed to set WDOG_B reset behavior\n");  in pca9450_i2c_probe()
818 	pca9450->sd_vsel_gpio = gpiod_get_optional(pca9450->dev, "sd-vsel", GPIOD_OUT_HIGH);  in pca9450_i2c_probe()
820 	if (IS_ERR(pca9450->sd_vsel_gpio)) {  in pca9450_i2c_probe()
821 		dev_err(&i2c->dev, "Failed to get SD_VSEL GPIO\n");  in pca9450_i2c_probe()
822 		return PTR_ERR(pca9450->sd_vsel_gpio);  in pca9450_i2c_probe()
825 	dev_info(&i2c->dev, "%s probed.\n",  in pca9450_i2c_probe()
850 		.name = "nxp-pca9450",