1 // SPDX-License-Identifier: GPL-2.0+
3 // arizona-ldo1.c  --  LDO1 supply for Arizona devices
22 #include <linux/regulator/arizona-ldo1.h>
36 	struct regulator_consumer_supply supply;  member
49 	if (sel == rdev->desc->n_voltages - 1)  in arizona_ldo1_hc_set_voltage_sel()
76 		return rdev->desc->n_voltages - 1;  in arizona_ldo1_hc_get_voltage_sel()
195 	struct arizona_ldo1 *ldo1 = config->driver_data;  in arizona_ldo1_of_get_pdata()
196 	struct device_node *np = config->dev->of_node;  in arizona_ldo1_of_get_pdata()
201 	dcvdd_node = of_parse_phandle(np, "DCVDD-supply", 0);  in arizona_ldo1_of_get_pdata()
204 		config->of_node = init_node;  in arizona_ldo1_of_get_pdata()
206 		init_data = of_get_regulator_init_data(config->dev, init_node,  in arizona_ldo1_of_get_pdata()
209 			init_data->consumer_supplies = &ldo1->supply;  in arizona_ldo1_of_get_pdata()
210 			init_data->num_consumer_supplies = 1;  in arizona_ldo1_of_get_pdata()
215 			pdata->init_data = init_data;  in arizona_ldo1_of_get_pdata()
232 	struct device *parent_dev = pdev->dev.parent;  in arizona_ldo1_common_init()
238 	ldo1->supply.supply = "DCVDD";  in arizona_ldo1_common_init()
239 	ldo1->init_data.consumer_supplies = &ldo1->supply;  in arizona_ldo1_common_init()
240 	ldo1->supply.dev_name = dev_name(parent_dev);  in arizona_ldo1_common_init()
244 	config.regmap = ldo1->regmap;  in arizona_ldo1_common_init()
265 	ldo1->ena_gpiod = config.ena_gpiod;  in arizona_ldo1_common_init()
267 	if (pdata->init_data)  in arizona_ldo1_common_init()
268 		config.init_data = pdata->init_data;  in arizona_ldo1_common_init()
270 		config.init_data = &ldo1->init_data;  in arizona_ldo1_common_init()
273 	 * LDO1 can only be used to supply DCVDD so if it has no  in arizona_ldo1_common_init()
274 	 * consumers then DCVDD is supplied externally.  in arizona_ldo1_common_init()
276 	if (config.init_data->num_consumer_supplies == 0)  in arizona_ldo1_common_init()
279 	ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);  in arizona_ldo1_common_init()
283 	if (IS_ERR(ldo1->regulator)) {  in arizona_ldo1_common_init()
284 		ret = PTR_ERR(ldo1->regulator);  in arizona_ldo1_common_init()
285 		dev_err(&pdev->dev, "Failed to register LDO1 supply: %d\n",  in arizona_ldo1_common_init()
297 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);  in arizona_ldo1_probe()
303 	ldo1 = devm_kzalloc(&pdev->dev, sizeof(*ldo1), GFP_KERNEL);  in arizona_ldo1_probe()
305 		return -ENOMEM;  in arizona_ldo1_probe()
307 	ldo1->regmap = arizona->regmap;  in arizona_ldo1_probe()
314 	switch (arizona->type) {  in arizona_ldo1_probe()
320 		ldo1->init_data = arizona_ldo1_dvfs;  in arizona_ldo1_probe()
325 		ldo1->init_data = arizona_ldo1_wm5110;  in arizona_ldo1_probe()
329 		ldo1->init_data = arizona_ldo1_default;  in arizona_ldo1_probe()
334 				       &arizona->pdata.ldo1,  in arizona_ldo1_probe()
337 		arizona->external_dcvdd = external_dcvdd;  in arizona_ldo1_probe()
346 	if (ldo1->ena_gpiod)  in arizona_ldo1_remove()
347 		gpiod_put(ldo1->ena_gpiod);  in arizona_ldo1_remove()
352 	struct madera *madera = dev_get_drvdata(pdev->dev.parent);  in madera_ldo1_probe()
357 	ldo1 = devm_kzalloc(&pdev->dev, sizeof(*ldo1), GFP_KERNEL);  in madera_ldo1_probe()
359 		return -ENOMEM;  in madera_ldo1_probe()
361 	ldo1->regmap = madera->regmap;  in madera_ldo1_probe()
363 	ldo1->init_data = madera_ldo1_default;  in madera_ldo1_probe()
366 				       &madera->pdata.ldo1,  in madera_ldo1_probe()
371 	madera->internal_dcvdd = !external_dcvdd;  in madera_ldo1_probe()
380 		.name	= "arizona-ldo1",
389 		.name	= "madera-ldo1",
417 MODULE_ALIAS("platform:arizona-ldo1");
418 MODULE_ALIAS("platform:madera-ldo1");