1/*
2 * Hardware monitoring driver for TI TPS40422
3 *
4 * Copyright (c) 2014 Nokia Solutions and Networks.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17#include <linux/kernel.h>
18#include <linux/module.h>
19#include <linux/init.h>
20#include <linux/err.h>
21#include <linux/i2c.h>
22#include "pmbus.h"
23
24static struct pmbus_driver_info tps40422_info = {
25	.pages = 2,
26	.format[PSC_VOLTAGE_IN] = linear,
27	.format[PSC_VOLTAGE_OUT] = linear,
28	.format[PSC_TEMPERATURE] = linear,
29	.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2
30		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP
31		| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
32	.func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2
33		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP
34		| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
35};
36
37static int tps40422_probe(struct i2c_client *client,
38			  const struct i2c_device_id *id)
39{
40	return pmbus_do_probe(client, id, &tps40422_info);
41}
42
43static const struct i2c_device_id tps40422_id[] = {
44	{"tps40422", 0},
45	{}
46};
47
48MODULE_DEVICE_TABLE(i2c, tps40422_id);
49
50/* This is the driver that will be inserted */
51static struct i2c_driver tps40422_driver = {
52	.driver = {
53		   .name = "tps40422",
54		   },
55	.probe = tps40422_probe,
56	.remove = pmbus_do_remove,
57	.id_table = tps40422_id,
58};
59
60module_i2c_driver(tps40422_driver);
61
62MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>");
63MODULE_DESCRIPTION("PMBus driver for TI TPS40422");
64MODULE_LICENSE("GPL");
65