1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Hardware monitoring driver for TI TPS40422 4 * 5 * Copyright (c) 2014 Nokia Solutions and Networks. 6 */ 7 8 #include <linux/kernel.h> 9 #include <linux/module.h> 10 #include <linux/init.h> 11 #include <linux/err.h> 12 #include <linux/i2c.h> 13 #include "pmbus.h" 14 15 static struct pmbus_driver_info tps40422_info = { 16 .pages = 2, 17 .format[PSC_VOLTAGE_IN] = linear, 18 .format[PSC_VOLTAGE_OUT] = linear, 19 .format[PSC_TEMPERATURE] = linear, 20 .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 21 | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP 22 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, 23 .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 24 | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP 25 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, 26 }; 27 28 static int tps40422_probe(struct i2c_client *client) 29 { 30 return pmbus_do_probe(client, &tps40422_info); 31 } 32 33 static const struct i2c_device_id tps40422_id[] = { 34 {"tps40422", 0}, 35 {} 36 }; 37 38 MODULE_DEVICE_TABLE(i2c, tps40422_id); 39 40 /* This is the driver that will be inserted */ 41 static struct i2c_driver tps40422_driver = { 42 .driver = { 43 .name = "tps40422", 44 }, 45 .probe_new = tps40422_probe, 46 .id_table = tps40422_id, 47 }; 48 49 module_i2c_driver(tps40422_driver); 50 51 MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>"); 52 MODULE_DESCRIPTION("PMBus driver for TI TPS40422"); 53 MODULE_LICENSE("GPL"); 54