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
tps40422_probe(struct i2c_client * client)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 .remove = pmbus_do_remove,
47 .id_table = tps40422_id,
48 };
49
50 module_i2c_driver(tps40422_driver);
51
52 MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>");
53 MODULE_DESCRIPTION("PMBus driver for TI TPS40422");
54 MODULE_LICENSE("GPL");
55