47 int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,  in tps65218_reg_write()  argument
55 		return regmap_write(tps->regmap, reg, val);  in tps65218_reg_write()
58 		ret = regmap_write(tps->regmap, TPS65218_REG_PASSWORD,  in tps65218_reg_write()
63 		return regmap_write(tps->regmap, reg, val);  in tps65218_reg_write()
79 static int tps65218_update_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_update_bits()  argument
85 	ret = regmap_read(tps->regmap, reg, &data);  in tps65218_update_bits()
87 		dev_err(tps->dev, "Read from reg 0x%x failed\n", reg);  in tps65218_update_bits()
94 	mutex_lock(&tps->tps_lock);  in tps65218_update_bits()
95 	ret = tps65218_reg_write(tps, reg, data, level);  in tps65218_update_bits()
97 		dev_err(tps->dev, "Write for reg 0x%x failed\n", reg);  in tps65218_update_bits()
98 	mutex_unlock(&tps->tps_lock);  in tps65218_update_bits()
103 int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_set_bits()  argument
106 	return tps65218_update_bits(tps, reg, mask, val, level);  in tps65218_set_bits()
110 int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_clear_bits()  argument
113 	return tps65218_update_bits(tps, reg, mask, 0, level);  in tps65218_clear_bits()
205 static int tps65218_voltage_set_strict(struct tps65218 *tps)  in tps65218_voltage_set_strict()  argument
209 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_strict()
215 		dev_err(tps->dev,  in tps65218_voltage_set_strict()
220 	tps65218_update_bits(tps, TPS65218_REG_CONFIG1,  in tps65218_voltage_set_strict()
227 static int tps65218_voltage_set_uv_hyst(struct tps65218 *tps)  in tps65218_voltage_set_uv_hyst()  argument
231 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_uv_hyst()
236 		dev_err(tps->dev,  in tps65218_voltage_set_uv_hyst()
241 	tps65218_update_bits(tps, TPS65218_REG_CONFIG2,  in tps65218_voltage_set_uv_hyst()
248 static int tps65218_voltage_set_uvlo(struct tps65218 *tps)  in tps65218_voltage_set_uvlo()  argument
253 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_uvlo()
271 		dev_err(tps->dev,  in tps65218_voltage_set_uvlo()
276 	tps65218_update_bits(tps, TPS65218_REG_CONFIG1,  in tps65218_voltage_set_uvlo()
284 	struct tps65218 *tps;  in tps65218_probe()  local
288 	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);  in tps65218_probe()
289 	if (!tps)  in tps65218_probe()
292 	i2c_set_clientdata(client, tps);  in tps65218_probe()
293 	tps->dev = &client->dev;  in tps65218_probe()
294 	tps->irq = client->irq;  in tps65218_probe()
295 	tps->regmap = devm_regmap_init_i2c(client, &tps65218_regmap_config);  in tps65218_probe()
296 	if (IS_ERR(tps->regmap)) {  in tps65218_probe()
297 		ret = PTR_ERR(tps->regmap);  in tps65218_probe()
298 		dev_err(tps->dev, "Failed to allocate register map: %d\n",  in tps65218_probe()
303 	mutex_init(&tps->tps_lock);  in tps65218_probe()
305 	ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, tps->irq,  in tps65218_probe()
307 				       &tps->irq_data);  in tps65218_probe()
311 	ret = regmap_read(tps->regmap, TPS65218_REG_CHIPID, &chipid);  in tps65218_probe()
313 		dev_err(tps->dev, "Failed to read chipid: %d\n", ret);  in tps65218_probe()
317 	tps->rev = chipid & TPS65218_CHIPID_REV_MASK;  in tps65218_probe()
319 	ret = tps65218_voltage_set_strict(tps);  in tps65218_probe()
323 	ret = tps65218_voltage_set_uvlo(tps);  in tps65218_probe()
327 	ret = tps65218_voltage_set_uv_hyst(tps);  in tps65218_probe()
331 	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65218_cells,  in tps65218_probe()
333 			      regmap_irq_get_domain(tps->irq_data));  in tps65218_probe()