98 	struct fan53555_device_info *di = rdev_get_drvdata(rdev);  in fan53555_set_suspend_voltage()  local
101 	if (di->sleep_vol_cache == uV)  in fan53555_set_suspend_voltage()
106 	ret = regmap_update_bits(di->regmap, di->sleep_reg,  in fan53555_set_suspend_voltage()
112 	di->sleep_vol_cache = uV;  in fan53555_set_suspend_voltage()
119 	struct fan53555_device_info *di = rdev_get_drvdata(rdev);  in fan53555_set_mode()  local
123 		regmap_update_bits(di->regmap, di->vol_reg,  in fan53555_set_mode()
127 		regmap_update_bits(di->regmap, di->vol_reg, VSEL_MODE, 0);  in fan53555_set_mode()
137 	struct fan53555_device_info *di = rdev_get_drvdata(rdev);  in fan53555_get_mode()  local
141 	ret = regmap_read(di->regmap, di->vol_reg, &val);  in fan53555_get_mode()
163 	struct fan53555_device_info *di = rdev_get_drvdata(rdev);  in fan53555_set_ramp()  local
174 		dev_err(di->dev, "unsupported ramp value %d\n", ramp);  in fan53555_set_ramp()
178 	return regmap_update_bits(di->regmap, FAN53555_CONTROL,  in fan53555_set_ramp()
197 static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)  in fan53555_voltages_setup_fairchild()  argument
200 	switch (di->chip_id) {  in fan53555_voltages_setup_fairchild()
205 		di->vsel_min = 600000;  in fan53555_voltages_setup_fairchild()
206 		di->vsel_step = 10000;  in fan53555_voltages_setup_fairchild()
209 		di->vsel_min = 603000;  in fan53555_voltages_setup_fairchild()
210 		di->vsel_step = 12826;  in fan53555_voltages_setup_fairchild()
213 		dev_err(di->dev,  in fan53555_voltages_setup_fairchild()
214 			"Chip ID %d not supported!\n", di->chip_id);  in fan53555_voltages_setup_fairchild()
221 static int fan53555_voltages_setup_silergy(struct fan53555_device_info *di)  in fan53555_voltages_setup_silergy()  argument
224 	switch (di->chip_id) {  in fan53555_voltages_setup_silergy()
226 		di->vsel_min = 712500;  in fan53555_voltages_setup_silergy()
227 		di->vsel_step = 12500;  in fan53555_voltages_setup_silergy()
230 		dev_err(di->dev,  in fan53555_voltages_setup_silergy()
231 			"Chip ID %d not supported!\n", di->chip_id);  in fan53555_voltages_setup_silergy()
243 static int fan53555_device_setup(struct fan53555_device_info *di,  in fan53555_device_setup()  argument
251 		di->sleep_reg = FAN53555_VSEL0;  in fan53555_device_setup()
252 		di->vol_reg = FAN53555_VSEL1;  in fan53555_device_setup()
255 		di->sleep_reg = FAN53555_VSEL1;  in fan53555_device_setup()
256 		di->vol_reg = FAN53555_VSEL0;  in fan53555_device_setup()
259 		dev_err(di->dev, "Invalid VSEL ID!\n");  in fan53555_device_setup()
263 	switch (di->vendor) {  in fan53555_device_setup()
265 		ret = fan53555_voltages_setup_fairchild(di);  in fan53555_device_setup()
268 		ret = fan53555_voltages_setup_silergy(di);  in fan53555_device_setup()
271 		dev_err(di->dev, "vendor %d not supported!\n", di->vendor);  in fan53555_device_setup()
278 static int fan53555_regulator_register(struct fan53555_device_info *di,  in fan53555_regulator_register()  argument
281 	struct regulator_desc *rdesc = &di->desc;  in fan53555_regulator_register()
288 	rdesc->enable_reg = di->vol_reg;  in fan53555_regulator_register()
290 	rdesc->min_uV = di->vsel_min;  in fan53555_regulator_register()
291 	rdesc->uV_step = di->vsel_step;  in fan53555_regulator_register()
292 	rdesc->vsel_reg = di->vol_reg;  in fan53555_regulator_register()
296 	di->rdev = devm_regulator_register(di->dev, &di->desc, config);  in fan53555_regulator_register()
297 	return PTR_ERR_OR_ZERO(di->rdev);  in fan53555_regulator_register()
346 	struct fan53555_device_info *di;  in fan53555_regulator_probe()  local
352 	di = devm_kzalloc(&client->dev, sizeof(struct fan53555_device_info),  in fan53555_regulator_probe()
354 	if (!di)  in fan53555_regulator_probe()
359 		pdata = fan53555_parse_dt(&client->dev, np, &di->desc);  in fan53555_regulator_probe()
366 	di->regulator = pdata->regulator;  in fan53555_regulator_probe()
375 		di->vendor = (unsigned long) match->data;  in fan53555_regulator_probe()
378 		if (!di->regulator->constraints.ramp_delay) {  in fan53555_regulator_probe()
382 			di->regulator->constraints.ramp_delay  in fan53555_regulator_probe()
386 		di->vendor = id->driver_data;  in fan53555_regulator_probe()
389 	di->regmap = devm_regmap_init_i2c(client, &fan53555_regmap_config);  in fan53555_regulator_probe()
390 	if (IS_ERR(di->regmap)) {  in fan53555_regulator_probe()
392 		return PTR_ERR(di->regmap);  in fan53555_regulator_probe()
394 	di->dev = &client->dev;  in fan53555_regulator_probe()
395 	i2c_set_clientdata(client, di);  in fan53555_regulator_probe()
397 	ret = regmap_read(di->regmap, FAN53555_ID1, &val);  in fan53555_regulator_probe()
402 	di->chip_id = val & DIE_ID;  in fan53555_regulator_probe()
404 	ret = regmap_read(di->regmap, FAN53555_ID2, &val);  in fan53555_regulator_probe()
409 	di->chip_rev = val & DIE_REV;  in fan53555_regulator_probe()
411 				di->chip_id, di->chip_rev);  in fan53555_regulator_probe()
413 	ret = fan53555_device_setup(di, pdata);  in fan53555_regulator_probe()
419 	config.dev = di->dev;  in fan53555_regulator_probe()
420 	config.init_data = di->regulator;  in fan53555_regulator_probe()
421 	config.regmap = di->regmap;  in fan53555_regulator_probe()
422 	config.driver_data = di;  in fan53555_regulator_probe()
425 	ret = fan53555_regulator_register(di, &config);  in fan53555_regulator_probe()