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
15static 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
28static int tps40422_probe(struct i2c_client *client)
29{
30	return pmbus_do_probe(client, &tps40422_info);
31}
32
33static const struct i2c_device_id tps40422_id[] = {
34	{"tps40422", 0},
35	{}
36};
37
38MODULE_DEVICE_TABLE(i2c, tps40422_id);
39
40/* This is the driver that will be inserted */
41static struct i2c_driver tps40422_driver = {
42	.driver = {
43		   .name = "tps40422",
44		   },
45	.probe = tps40422_probe,
46	.id_table = tps40422_id,
47};
48
49module_i2c_driver(tps40422_driver);
50
51MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>");
52MODULE_DESCRIPTION("PMBus driver for TI TPS40422");
53MODULE_LICENSE("GPL");
54MODULE_IMPORT_NS(PMBUS);
55