1 /* 2 * Hardware monitoring driver for TI TPS40422 3 * 4 * Copyright (c) 2014 Nokia Solutions and Networks. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #include <linux/kernel.h> 18 #include <linux/module.h> 19 #include <linux/init.h> 20 #include <linux/err.h> 21 #include <linux/i2c.h> 22 #include "pmbus.h" 23 24 static struct pmbus_driver_info tps40422_info = { 25 .pages = 2, 26 .format[PSC_VOLTAGE_IN] = linear, 27 .format[PSC_VOLTAGE_OUT] = linear, 28 .format[PSC_TEMPERATURE] = linear, 29 .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 30 | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP 31 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, 32 .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 33 | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP 34 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, 35 }; 36 37 static int tps40422_probe(struct i2c_client *client, 38 const struct i2c_device_id *id) 39 { 40 return pmbus_do_probe(client, id, &tps40422_info); 41 } 42 43 static const struct i2c_device_id tps40422_id[] = { 44 {"tps40422", 0}, 45 {} 46 }; 47 48 MODULE_DEVICE_TABLE(i2c, tps40422_id); 49 50 /* This is the driver that will be inserted */ 51 static struct i2c_driver tps40422_driver = { 52 .driver = { 53 .name = "tps40422", 54 }, 55 .probe = tps40422_probe, 56 .remove = pmbus_do_remove, 57 .id_table = tps40422_id, 58 }; 59 60 module_i2c_driver(tps40422_driver); 61 62 MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>"); 63 MODULE_DESCRIPTION("PMBus driver for TI TPS40422"); 64 MODULE_LICENSE("GPL"); 65