1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/gpio/consumer.h>
43 	ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);  in max20411_enable_time()
47 	val &= rdev->desc->vsel_mask;  in max20411_enable_time()
51 	ret = regmap_read(rdev->regmap, MAX20411_SLEW_OFFSET, &val);  in max20411_enable_time()
102 	struct device *dev = &client->dev;  in max20411_probe()
103 	struct regulator_config cfg = {};  in max20411_probe()  local
108 		return -ENOMEM;  in max20411_probe()
110 	max20411->regmap = devm_regmap_init_i2c(client, &max20411_regmap_config);  in max20411_probe()
111 	if (IS_ERR(max20411->regmap)) {  in max20411_probe()
113 		return PTR_ERR(max20411->regmap);  in max20411_probe()
116 	max20411->dev = dev;  in max20411_probe()
117 	max20411->of_node = dev->of_node;  in max20411_probe()
119 	max20411->desc = max20411_desc;  in max20411_probe()
120 	init_data = of_get_regulator_init_data(max20411->dev, max20411->of_node, &max20411->desc);  in max20411_probe()
122 		return -ENODATA;  in max20411_probe()
124 	cfg.dev = max20411->dev;  in max20411_probe()
125 	cfg.init_data = init_data;  in max20411_probe()
126 	cfg.of_node = max20411->of_node;  in max20411_probe()
127 	cfg.driver_data = max20411;  in max20411_probe()
129 	cfg.ena_gpiod = gpiod_get(max20411->dev, "enable", GPIOD_ASIS);  in max20411_probe()
130 	if (IS_ERR(cfg.ena_gpiod))  in max20411_probe()
131 		return dev_err_probe(dev, PTR_ERR(cfg.ena_gpiod),  in max20411_probe()
132 				     "unable to acquire enable gpio\n");  in max20411_probe()
134 	max20411->rdev = devm_regulator_register(max20411->dev, &max20411->desc, &cfg);  in max20411_probe()
135 	if (IS_ERR(max20411->rdev))  in max20411_probe()
136 		dev_err(max20411->dev, "Failed to register regulator\n");  in max20411_probe()
138 	return PTR_ERR_OR_ZERO(max20411->rdev);  in max20411_probe()
164 MODULE_DESCRIPTION("Maxim MAX20411 High-Efficiency Single Step-Down Converter driver");