1 // SPDX-License-Identifier: GPL-2.0+
3 // wm8994-regulator.c  --  Regulator driver for the WM8994
27 	struct regulator_consumer_supply supply;  member
47 		return -EINVAL;  in wm8994_ldo2_list_voltage()
49 	switch (ldo->wm8994->type) {  in wm8994_ldo2_list_voltage()
57 			return -EINVAL;  in wm8994_ldo2_list_voltage()
63 		return -EINVAL;  in wm8994_ldo2_list_voltage()
130 	{ .supply = "AVDD1" },
131 	{ .supply = "DCVDD" },
151 	struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);  in wm8994_ldo_probe()
152 	struct wm8994_pdata *pdata = dev_get_platdata(wm8994->dev);  in wm8994_ldo_probe()
153 	int id = pdev->id % ARRAY_SIZE(pdata->ldo);  in wm8994_ldo_probe()
159 	dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);  in wm8994_ldo_probe()
161 	ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_ldo), GFP_KERNEL);  in wm8994_ldo_probe()
163 		return -ENOMEM;  in wm8994_ldo_probe()
165 	ldo->wm8994 = wm8994;  in wm8994_ldo_probe()
166 	ldo->supply = wm8994_ldo_consumer[id];  in wm8994_ldo_probe()
167 	ldo->supply.dev_name = dev_name(wm8994->dev);  in wm8994_ldo_probe()
169 	config.dev = wm8994->dev;  in wm8994_ldo_probe()
171 	config.regmap = wm8994->regmap;  in wm8994_ldo_probe()
172 	config.init_data = &ldo->init_data;  in wm8994_ldo_probe()
178 	gpiod = gpiod_get_optional(pdev->dev.parent,  in wm8994_ldo_probe()
187 	if (!pdata || !pdata->ldo[id].init_data || wm8994->dev->of_node) {  in wm8994_ldo_probe()
188 		dev_dbg(wm8994->dev, "Using default init data, supply %s %s\n",  in wm8994_ldo_probe()
189 			ldo->supply.dev_name, ldo->supply.supply);  in wm8994_ldo_probe()
191 		ldo->init_data = wm8994_ldo_default[id];  in wm8994_ldo_probe()
192 		ldo->init_data.consumer_supplies = &ldo->supply;  in wm8994_ldo_probe()
194 			ldo->init_data.constraints.valid_ops_mask = 0;  in wm8994_ldo_probe()
196 		ldo->init_data = *pdata->ldo[id].init_data;  in wm8994_ldo_probe()
204 	if (ldo->wm8994->type == WM8994) {  in wm8994_ldo_probe()
205 		ldo->regulator = devm_regulator_register(&pdev->dev,  in wm8994_ldo_probe()
209 		ldo->regulator = devm_regulator_register(&pdev->dev,  in wm8994_ldo_probe()
214 	if (IS_ERR(ldo->regulator)) {  in wm8994_ldo_probe()
215 		ret = PTR_ERR(ldo->regulator);  in wm8994_ldo_probe()
216 		dev_err(wm8994->dev, "Failed to register LDO%d: %d\n",  in wm8994_ldo_probe()
229 		.name	= "wm8994-ldo",
240 MODULE_ALIAS("platform:wm8994-ldo");