drivers/regulator/rt6245-regulator.c

1 // SPDX-License-Identifier: GPL-2.0+
31 #define RT6245_NUM_VOUT		((RT6245_VOUT_MAXUV - RT6245_VOUT_MINUV) / RT6245_VOUT_STEPUV + 1)
44 	if (!priv->enable_gpio)  in rt6245_enable()
47 	gpiod_direction_output(priv->enable_gpio, 1);  in rt6245_enable()
55 	priv->enable_state = true;  in rt6245_enable()
64 	if (!priv->enable_gpio)  in rt6245_disable()
65 		return -EINVAL;  in rt6245_disable()
70 	gpiod_direction_output(priv->enable_gpio, 0);  in rt6245_disable()
72 	priv->enable_state = false;  in rt6245_disable()
80 	return priv->enable_state ? 1 : 0;  in rt6245_is_enabled()
99 	.name = "rt6245-regulator",
120 		{ "richtek,oc-level-select",  RT6245_VIRT_OCLIMIT },  in rt6245_init_device_properties()
121 		{ "richtek,ot-level-select", RT6245_VIRT_OTLEVEL },  in rt6245_init_device_properties()
122 		{ "richtek,pgdly-time-select", RT6245_VIRT_PGDLYTIME },  in rt6245_init_device_properties()
123 		{ "richtek,switch-freq-select", RT6245_VIRT_SWFREQ }  in rt6245_init_device_properties()
196 	priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);  in rt6245_probe()
198 		return -ENOMEM;  in rt6245_probe()
200 	priv->enable_state = true;  in rt6245_probe()
202 	priv->enable_gpio = devm_gpiod_get_optional(&i2c->dev, "enable", GPIOD_OUT_HIGH);  in rt6245_probe()
203 	if (IS_ERR(priv->enable_gpio)) {  in rt6245_probe()
204 		dev_err(&i2c->dev, "Failed to get 'enable' gpio\n");  in rt6245_probe()
205 		return PTR_ERR(priv->enable_gpio);  in rt6245_probe()
210 	regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt6245_regmap_config);  in rt6245_probe()
212 		dev_err(&i2c->dev, "Failed to initialize the regmap\n");  in rt6245_probe()
216 	ret = rt6245_init_device_properties(&i2c->dev);  in rt6245_probe()
218 		dev_err(&i2c->dev, "Failed to initialize device properties\n");  in rt6245_probe()
222 	regulator_cfg.dev = &i2c->dev;  in rt6245_probe()
223 	regulator_cfg.of_node = i2c->dev.of_node;  in rt6245_probe()
226 	regulator_cfg.init_data = of_get_regulator_init_data(&i2c->dev, i2c->dev.of_node,  in rt6245_probe()
228 	rdev = devm_regulator_register(&i2c->dev, &rt6245_regulator_desc, &regulator_cfg);  in rt6245_probe()
230 		dev_err(&i2c->dev, "Failed to register regulator\n");  in rt6245_probe()