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
max20751_probe(struct i2c_client * client)29 static int max20751_probe(struct i2c_client *client)
30 {
31 return pmbus_do_probe(client, &max20751_info);
32 }
33
34 static const struct i2c_device_id max20751_id[] = {
35 {"max20751", 0},
36 {}
37 };
38
39 MODULE_DEVICE_TABLE(i2c, max20751_id);
40
41 static struct i2c_driver max20751_driver = {
42 .driver = {
43 .name = "max20751",
44 },
45 .probe = max20751_probe,
46 .id_table = max20751_id,
47 };
48
49 module_i2c_driver(max20751_driver);
50
51 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
52 MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
53 MODULE_LICENSE("GPL");
54 MODULE_IMPORT_NS(PMBUS);
55