1 // SPDX-License-Identifier: GPL-2.0-only
40 	LP3971_BUCK1 -> 0
41 	LP3971_BUCK2 -> 4
42 	LP3971_BUCK3 -> 6
77 	LP3971_LDO1 -> LP3971_LDO_VOL_CONTR_BASE + 0
78 	LP3971_LDO2 -> LP3971_LDO_VOL_CONTR_BASE + 0
79 	LP3971_LDO3 -> LP3971_LDO_VOL_CONTR_BASE + 1
80 	LP3971_LDO4 -> LP3971_LDO_VOL_CONTR_BASE + 1
81 	LP3971_LDO5 -> LP3971_LDO_VOL_CONTR_BASE + 2
86 	LP3971_LDO1 -> 0, LP3971_LDO2 -> 4
87 	LP3971_LDO3 -> 0, LP3971_LDO4 -> 4
88 	LP3971_LDO5 -> 0
109 	int ldo = rdev_get_id(dev) - LP3971_LDO1;  in lp3971_ldo_is_enabled()
120 	int ldo = rdev_get_id(dev) - LP3971_LDO1;  in lp3971_ldo_enable()
129 	int ldo = rdev_get_id(dev) - LP3971_LDO1;  in lp3971_ldo_disable()
138 	int ldo = rdev_get_id(dev) - LP3971_LDO1;  in lp3971_ldo_get_voltage_sel()
151 	int ldo = rdev_get_id(dev) - LP3971_LDO1;  in lp3971_ldo_set_voltage_sel()
171 	int buck = rdev_get_id(dev) - LP3971_DCDC1;  in lp3971_dcdc_is_enabled()  local
172 	u16 mask = 1 << (buck * 2);  in lp3971_dcdc_is_enabled()
182 	int buck = rdev_get_id(dev) - LP3971_DCDC1;  in lp3971_dcdc_enable()  local
183 	u16 mask = 1 << (buck * 2);  in lp3971_dcdc_enable()
191 	int buck = rdev_get_id(dev) - LP3971_DCDC1;  in lp3971_dcdc_disable()  local
192 	u16 mask = 1 << (buck * 2);  in lp3971_dcdc_disable()
200 	int buck = rdev_get_id(dev) - LP3971_DCDC1;  in lp3971_dcdc_get_voltage_sel()  local
203 	reg = lp3971_reg_read(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck));  in lp3971_dcdc_get_voltage_sel()
213 	int buck = rdev_get_id(dev) - LP3971_DCDC1;  in lp3971_dcdc_set_voltage_sel()  local
216 	ret = lp3971_set_bits(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck),  in lp3971_dcdc_set_voltage_sel()
222 	       BUCK_VOL_CHANGE_FLAG_MASK << BUCK_VOL_CHANGE_SHIFT(buck),  in lp3971_dcdc_set_voltage_sel()
223 	       BUCK_VOL_CHANGE_FLAG_GO << BUCK_VOL_CHANGE_SHIFT(buck));  in lp3971_dcdc_set_voltage_sel()
228 	       BUCK_VOL_CHANGE_FLAG_MASK << BUCK_VOL_CHANGE_SHIFT(buck),  in lp3971_dcdc_set_voltage_sel()
229 	       0 << BUCK_VOL_CHANGE_SHIFT(buck));  in lp3971_dcdc_set_voltage_sel()
323 		return -EIO;  in lp3971_i2c_read()
336 		return -EIO;  in lp3971_i2c_write()
344 	mutex_lock(&lp3971->io_lock);  in lp3971_reg_read()
346 	lp3971_i2c_read(lp3971->i2c, reg, 1, &val);  in lp3971_reg_read()
348 	dev_dbg(lp3971->dev, "reg read 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_reg_read()
351 	mutex_unlock(&lp3971->io_lock);  in lp3971_reg_read()
361 	mutex_lock(&lp3971->io_lock);  in lp3971_set_bits()
363 	ret = lp3971_i2c_read(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
366 		ret = lp3971_i2c_write(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
367 		dev_dbg(lp3971->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_set_bits()
370 	mutex_unlock(&lp3971->io_lock);  in lp3971_set_bits()
381 	for (i = 0; i < pdata->num_regulators; i++) {  in setup_regulators()
383 		struct lp3971_regulator_subdev *reg = &pdata->regulators[i];  in setup_regulators()
386 		config.dev = lp3971->dev;  in setup_regulators()
387 		config.init_data = reg->initdata;  in setup_regulators()
390 		rdev = devm_regulator_register(lp3971->dev,  in setup_regulators()
391 					       &regulators[reg->id], &config);  in setup_regulators()
394 			dev_err(lp3971->dev, "regulator init failed: %d\n",  in setup_regulators()
406 	struct lp3971_platform_data *pdata = dev_get_platdata(&i2c->dev);  in lp3971_i2c_probe()
411 		dev_dbg(&i2c->dev, "No platform init data supplied\n");  in lp3971_i2c_probe()
412 		return -ENODEV;  in lp3971_i2c_probe()
415 	lp3971 = devm_kzalloc(&i2c->dev, sizeof(struct lp3971), GFP_KERNEL);  in lp3971_i2c_probe()
417 		return -ENOMEM;  in lp3971_i2c_probe()
419 	lp3971->i2c = i2c;  in lp3971_i2c_probe()
420 	lp3971->dev = &i2c->dev;  in lp3971_i2c_probe()
422 	mutex_init(&lp3971->io_lock);  in lp3971_i2c_probe()
427 		ret = -ENODEV;  in lp3971_i2c_probe()
429 		dev_err(&i2c->dev, "failed to detect device\n");  in lp3971_i2c_probe()