1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Hardware monitoring driver for Maxim MAX20751 4 * 5 * Copyright (c) 2015 Guenter Roeck 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 max20751_info = { 16 .pages = 1, 17 .format[PSC_VOLTAGE_IN] = linear, 18 .format[PSC_VOLTAGE_OUT] = vid, 19 .vrm_version[0] = vr12, 20 .format[PSC_TEMPERATURE] = linear, 21 .format[PSC_CURRENT_OUT] = linear, 22 .format[PSC_POWER] = linear, 23 .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 24 PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 25 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | 26 PMBUS_HAVE_POUT, 27 }; 28 29 static int max20751_probe(struct i2c_client *client, 30 const struct i2c_device_id *id) 31 { 32 return pmbus_do_probe(client, id, &max20751_info); 33 } 34 35 static const struct i2c_device_id max20751_id[] = { 36 {"max20751", 0}, 37 {} 38 }; 39 40 MODULE_DEVICE_TABLE(i2c, max20751_id); 41 42 static struct i2c_driver max20751_driver = { 43 .driver = { 44 .name = "max20751", 45 }, 46 .probe = max20751_probe, 47 .remove = pmbus_do_remove, 48 .id_table = max20751_id, 49 }; 50 51 module_i2c_driver(max20751_driver); 52 53 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); 54 MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751"); 55 MODULE_LICENSE("GPL"); 56