Linux-libre 5.3.12-gnu
[librecmc/linux-libre.git] / drivers / hwmon / pmbus / tps40422.c
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                           const struct i2c_device_id *id)
30 {
31         return pmbus_do_probe(client, id, &tps40422_info);
32 }
33
34 static const struct i2c_device_id tps40422_id[] = {
35         {"tps40422", 0},
36         {}
37 };
38
39 MODULE_DEVICE_TABLE(i2c, tps40422_id);
40
41 /* This is the driver that will be inserted */
42 static struct i2c_driver tps40422_driver = {
43         .driver = {
44                    .name = "tps40422",
45                    },
46         .probe = tps40422_probe,
47         .remove = pmbus_do_remove,
48         .id_table = tps40422_id,
49 };
50
51 module_i2c_driver(tps40422_driver);
52
53 MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>");
54 MODULE_DESCRIPTION("PMBus driver for TI TPS40422");
55 MODULE_LICENSE("GPL");