1 // SPDX-License-Identifier: GPL-2.0+
3 // arizona-micsupp.c  --  Microphone supply for Arizona devices
31 #include <linux/regulator/arizona-micsupp.h>
40 	struct regulator_consumer_supply supply;  member
50 	struct snd_soc_dapm_context *dapm = *micsupp->dapm;  in arizona_micsupp_check_cp()
52 	const struct regulator_desc *desc = micsupp->desc;  in arizona_micsupp_check_cp()
56 	ret = regmap_read(micsupp->regmap, desc->enable_reg, &val);  in arizona_micsupp_check_cp()
58 		dev_err(micsupp->dev,  in arizona_micsupp_check_cp()
66 		if ((val & (desc->enable_mask | desc->bypass_mask)) ==  in arizona_micsupp_check_cp()
67 		    desc->enable_mask)  in arizona_micsupp_check_cp()
85 		schedule_work(&micsupp->check_cp_work);  in arizona_micsupp_enable()
97 		schedule_work(&micsupp->check_cp_work);  in arizona_micsupp_disable()
109 		schedule_work(&micsupp->check_cp_work);  in arizona_micsupp_set_bypass()
136 	.supply_name = "CPVDD",
163 	.supply_name = "CPVDD",
232 	struct arizona_micsupp *micsupp = config->driver_data;  in arizona_micsupp_of_get_pdata()
236 	np = of_get_child_by_name(config->dev->of_node, "micvdd");  in arizona_micsupp_of_get_pdata()
239 		config->of_node = np;  in arizona_micsupp_of_get_pdata()
241 		init_data = of_get_regulator_init_data(config->dev, np, desc);  in arizona_micsupp_of_get_pdata()
244 			init_data->consumer_supplies = &micsupp->supply;  in arizona_micsupp_of_get_pdata()
245 			init_data->num_consumer_supplies = 1;  in arizona_micsupp_of_get_pdata()
247 			pdata->init_data = init_data;  in arizona_micsupp_of_get_pdata()
262 	INIT_WORK(&micsupp->check_cp_work, arizona_micsupp_check_cp);  in arizona_micsupp_common_init()
264 	micsupp->init_data.consumer_supplies = &micsupp->supply;  in arizona_micsupp_common_init()
265 	micsupp->supply.dev_name = dev_name(micsupp->dev);  in arizona_micsupp_common_init()
266 	micsupp->desc = desc;  in arizona_micsupp_common_init()
268 	config.dev = micsupp->dev;  in arizona_micsupp_common_init()
270 	config.regmap = micsupp->regmap;  in arizona_micsupp_common_init()
273 		if (!dev_get_platdata(micsupp->dev)) {  in arizona_micsupp_common_init()
281 	if (pdata->init_data)  in arizona_micsupp_common_init()
282 		config.init_data = pdata->init_data;  in arizona_micsupp_common_init()
284 		config.init_data = &micsupp->init_data;  in arizona_micsupp_common_init()
287 	regmap_update_bits(micsupp->regmap, desc->enable_reg, desc->bypass_mask, 0);  in arizona_micsupp_common_init()
289 	micsupp->regulator = devm_regulator_register(&pdev->dev,  in arizona_micsupp_common_init()
295 	if (IS_ERR(micsupp->regulator)) {  in arizona_micsupp_common_init()
296 		ret = PTR_ERR(micsupp->regulator);  in arizona_micsupp_common_init()
297 		dev_err(micsupp->dev, "Failed to register mic supply: %d\n",  in arizona_micsupp_common_init()
309 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);  in arizona_micsupp_probe()
313 	micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL);  in arizona_micsupp_probe()
315 		return -ENOMEM;  in arizona_micsupp_probe()
317 	micsupp->regmap = arizona->regmap;  in arizona_micsupp_probe()
318 	micsupp->dapm = &arizona->dapm;  in arizona_micsupp_probe()
319 	micsupp->dev = arizona->dev;  in arizona_micsupp_probe()
321 	micsupp->supply.supply = "MICVDD";  in arizona_micsupp_probe()
328 	switch (arizona->type) {  in arizona_micsupp_probe()
332 		micsupp->init_data = arizona_micsupp_ext_default;  in arizona_micsupp_probe()
336 		micsupp->init_data = arizona_micsupp_default;  in arizona_micsupp_probe()
341 					   &arizona->pdata.micvdd);  in arizona_micsupp_probe()
346 	struct madera *madera = dev_get_drvdata(pdev->dev.parent);  in madera_micsupp_probe()
349 	micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL);  in madera_micsupp_probe()
351 		return -ENOMEM;  in madera_micsupp_probe()
353 	micsupp->regmap = madera->regmap;  in madera_micsupp_probe()
354 	micsupp->dapm = &madera->dapm;  in madera_micsupp_probe()
355 	micsupp->dev = madera->dev;  in madera_micsupp_probe()
356 	micsupp->init_data = arizona_micsupp_ext_default;  in madera_micsupp_probe()
358 	micsupp->supply.supply = "MICVDD";  in madera_micsupp_probe()
361 					   &madera->pdata.micvdd);  in madera_micsupp_probe()
367 		.name	= "arizona-micsupp",
375 		.name	= "madera-micsupp",
401 MODULE_DESCRIPTION("Arizona microphone supply driver");
403 MODULE_ALIAS("platform:arizona-micsupp");
404 MODULE_ALIAS("platform:madera-micsupp");