1 // SPDX-License-Identifier: GPL-2.0+
3 // pv88060-regulator.c - Regulator device driver for PV88060
17 #include "pv88060-regulator.h"
74 	ret = regmap_read(rdev->regmap, info->conf, &data);  in pv88060_buck_get_mode()
110 		return -EINVAL;  in pv88060_buck_set_mode()
113 	return regmap_update_bits(rdev->regmap, info->conf,  in pv88060_buck_set_mode()
157 		.n_voltages = ((max) - (min))/(step) + 1,\
182 		.n_voltages = (step) ? ((max - min) / step + 1) : 1, \
230 	err = regmap_read(chip->regmap, PV88060_REG_EVENT_A, &reg_val);  in pv88060_irq_handler()
236 			if (chip->rdev[i] != NULL)  in pv88060_irq_handler()
237 				regulator_notifier_call_chain(chip->rdev[i],  in pv88060_irq_handler()
242 		err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,  in pv88060_irq_handler()
252 			if (chip->rdev[i] != NULL)  in pv88060_irq_handler()
253 				regulator_notifier_call_chain(chip->rdev[i],  in pv88060_irq_handler()
258 		err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,  in pv88060_irq_handler()
269 	dev_err(chip->dev, "I2C error : %d\n", err);  in pv88060_irq_handler()
278 	struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev);  in pv88060_i2c_probe()
283 	chip = devm_kzalloc(&i2c->dev, sizeof(struct pv88060), GFP_KERNEL);  in pv88060_i2c_probe()
285 		return -ENOMEM;  in pv88060_i2c_probe()
287 	chip->dev = &i2c->dev;  in pv88060_i2c_probe()
288 	chip->regmap = devm_regmap_init_i2c(i2c, &pv88060_regmap_config);  in pv88060_i2c_probe()
289 	if (IS_ERR(chip->regmap)) {  in pv88060_i2c_probe()
290 		error = PTR_ERR(chip->regmap);  in pv88060_i2c_probe()
291 		dev_err(chip->dev, "Failed to allocate register map: %d\n",  in pv88060_i2c_probe()
298 	if (i2c->irq != 0) {  in pv88060_i2c_probe()
299 		ret = regmap_write(chip->regmap, PV88060_REG_MASK_A, 0xFF);  in pv88060_i2c_probe()
301 			dev_err(chip->dev,  in pv88060_i2c_probe()
306 		ret = regmap_write(chip->regmap, PV88060_REG_MASK_B, 0xFF);  in pv88060_i2c_probe()
308 			dev_err(chip->dev,  in pv88060_i2c_probe()
313 		ret = regmap_write(chip->regmap, PV88060_REG_MASK_C, 0xFF);  in pv88060_i2c_probe()
315 			dev_err(chip->dev,  in pv88060_i2c_probe()
320 		ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,  in pv88060_i2c_probe()
325 			dev_err(chip->dev, "Failed to request IRQ: %d\n",  in pv88060_i2c_probe()
326 				i2c->irq);  in pv88060_i2c_probe()
330 		ret = regmap_update_bits(chip->regmap, PV88060_REG_MASK_A,  in pv88060_i2c_probe()
333 			dev_err(chip->dev,  in pv88060_i2c_probe()
339 		dev_warn(chip->dev, "No IRQ configured\n");  in pv88060_i2c_probe()
342 	config.dev = chip->dev;  in pv88060_i2c_probe()
343 	config.regmap = chip->regmap;  in pv88060_i2c_probe()
350 		chip->rdev[i] = devm_regulator_register(chip->dev,  in pv88060_i2c_probe()
352 		if (IS_ERR(chip->rdev[i])) {  in pv88060_i2c_probe()
353 			dev_err(chip->dev,  in pv88060_i2c_probe()
355 			return PTR_ERR(chip->rdev[i]);  in pv88060_i2c_probe()
370 	{ .compatible = "pvs,pv88060", .data = &pv88060_i2c_id[0] },