drivers/mfd/tps65219.c

14 static int tps65219_warm_reset(struct tps65219 *tps)
16 	return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL,
21 static int tps65219_cold_reset(struct tps65219 *tps)
23 	return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL,
28 static int tps65219_soft_shutdown(struct tps65219 *tps)
30 	return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL,
41 static int tps65219_restart(struct tps65219 *tps, unsigned long reboot_mode)
44 		tps65219_warm_reset(tps);
46 		tps65219_cold_reset(tps);
230 	struct tps65219 *tps;
235 	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
236 	if (!tps)
239 	i2c_set_clientdata(client, tps);
241 	tps->dev = &client->dev;
243 	tps->regmap = devm_regmap_init_i2c(client, &tps65219_regmap_config);
244 	if (IS_ERR(tps->regmap)) {
245 		ret = PTR_ERR(tps->regmap);
246 		dev_err(tps->dev, "Failed to allocate register map: %d\n", ret);
250 	ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, client->irq,
252 				       &tps->irq_data);
256 	ret = regmap_read(tps->regmap, TPS65219_REG_TI_DEV_ID, &chipid);
258 		dev_err(tps->dev, "Failed to read device ID: %d\n", ret);
262 	ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO,
264 				   NULL, 0, regmap_irq_get_domain(tps->irq_data));
266 		dev_err(tps->dev, "Failed to add child devices: %d\n", ret);
270 	pwr_button = of_property_read_bool(tps->dev->of_node, "ti,power-button");
272 		ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO,
274 					   regmap_irq_get_domain(tps->irq_data));
276 			dev_err(tps->dev, "Failed to add power-button: %d\n", ret);
281 	ret = devm_register_restart_handler(tps->dev,
283 					    tps);
286 		dev_err(tps->dev, "cannot register restart handler, %d\n", ret);
290 	ret = devm_register_power_off_handler(tps->dev,
292 					      tps);
294 		dev_err(tps->dev, "failed to register power-off handler: %d\n", ret);