48 int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,  in tps65218_reg_write()  argument
56 		return regmap_write(tps->regmap, reg, val);  in tps65218_reg_write()
59 		ret = regmap_write(tps->regmap, TPS65218_REG_PASSWORD,  in tps65218_reg_write()
64 		return regmap_write(tps->regmap, reg, val);  in tps65218_reg_write()
80 static int tps65218_update_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_update_bits()  argument
86 	ret = regmap_read(tps->regmap, reg, &data);  in tps65218_update_bits()
88 		dev_err(tps->dev, "Read from reg 0x%x failed\n", reg);  in tps65218_update_bits()
95 	mutex_lock(&tps->tps_lock);  in tps65218_update_bits()
96 	ret = tps65218_reg_write(tps, reg, data, level);  in tps65218_update_bits()
98 		dev_err(tps->dev, "Write for reg 0x%x failed\n", reg);  in tps65218_update_bits()
99 	mutex_unlock(&tps->tps_lock);  in tps65218_update_bits()
104 int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_set_bits()  argument
107 	return tps65218_update_bits(tps, reg, mask, val, level);  in tps65218_set_bits()
111 int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,  in tps65218_clear_bits()  argument
114 	return tps65218_update_bits(tps, reg, mask, 0, level);  in tps65218_clear_bits()
206 static int tps65218_voltage_set_strict(struct tps65218 *tps)  in tps65218_voltage_set_strict()  argument
210 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_strict()
216 		dev_err(tps->dev,  in tps65218_voltage_set_strict()
221 	tps65218_update_bits(tps, TPS65218_REG_CONFIG1,  in tps65218_voltage_set_strict()
228 static int tps65218_voltage_set_uv_hyst(struct tps65218 *tps)  in tps65218_voltage_set_uv_hyst()  argument
232 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_uv_hyst()
237 		dev_err(tps->dev,  in tps65218_voltage_set_uv_hyst()
242 	tps65218_update_bits(tps, TPS65218_REG_CONFIG2,  in tps65218_voltage_set_uv_hyst()
249 static int tps65218_voltage_set_uvlo(struct tps65218 *tps)  in tps65218_voltage_set_uvlo()  argument
254 	if (of_property_read_u32(tps->dev->of_node,  in tps65218_voltage_set_uvlo()
272 		dev_err(tps->dev,  in tps65218_voltage_set_uvlo()
277 	tps65218_update_bits(tps, TPS65218_REG_CONFIG1,  in tps65218_voltage_set_uvlo()
286 	struct tps65218 *tps;  in tps65218_probe()  local
290 	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);  in tps65218_probe()
291 	if (!tps)  in tps65218_probe()
294 	i2c_set_clientdata(client, tps);  in tps65218_probe()
295 	tps->dev = &client->dev;  in tps65218_probe()
296 	tps->irq = client->irq;  in tps65218_probe()
297 	tps->regmap = devm_regmap_init_i2c(client, &tps65218_regmap_config);  in tps65218_probe()
298 	if (IS_ERR(tps->regmap)) {  in tps65218_probe()
299 		ret = PTR_ERR(tps->regmap);  in tps65218_probe()
300 		dev_err(tps->dev, "Failed to allocate register map: %d\n",  in tps65218_probe()
305 	mutex_init(&tps->tps_lock);  in tps65218_probe()
307 	ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, tps->irq,  in tps65218_probe()
309 				       &tps->irq_data);  in tps65218_probe()
313 	ret = regmap_read(tps->regmap, TPS65218_REG_CHIPID, &chipid);  in tps65218_probe()
315 		dev_err(tps->dev, "Failed to read chipid: %d\n", ret);  in tps65218_probe()
319 	tps->rev = chipid & TPS65218_CHIPID_REV_MASK;  in tps65218_probe()
321 	ret = tps65218_voltage_set_strict(tps);  in tps65218_probe()
325 	ret = tps65218_voltage_set_uvlo(tps);  in tps65218_probe()
329 	ret = tps65218_voltage_set_uv_hyst(tps);  in tps65218_probe()
333 	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65218_cells,  in tps65218_probe()
335 			      regmap_irq_get_domain(tps->irq_data));  in tps65218_probe()