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a8bfeceb ZRNCB |
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 | ||
24 | static 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 | ||
37 | static 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 | ||
43 | static const struct i2c_device_id tps40422_id[] = { | |
44 | {"tps40422", 0}, | |
45 | {} | |
46 | }; | |
47 | ||
48 | MODULE_DEVICE_TABLE(i2c, tps40422_id); | |
49 | ||
50 | /* This is the driver that will be inserted */ | |
51 | static 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 | ||
60 | module_i2c_driver(tps40422_driver); | |
61 | ||
62 | MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>"); | |
63 | MODULE_DESCRIPTION("PMBus driver for TI TPS40422"); | |
64 | MODULE_LICENSE("GPL"); |