Commit | Line | Data |
---|---|---|
e1c5cd7e HC |
1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* | |
3 | * Driver for MPS MP5023 Hot-Swap Controller | |
4 | */ | |
5 | ||
6 | #include <linux/i2c.h> | |
7 | #include <linux/module.h> | |
8 | #include <linux/of_device.h> | |
9 | #include "pmbus.h" | |
10 | ||
11 | static struct pmbus_driver_info mp5023_info = { | |
12 | .pages = 1, | |
13 | ||
14 | .format[PSC_VOLTAGE_IN] = direct, | |
15 | .format[PSC_VOLTAGE_OUT] = direct, | |
16 | .format[PSC_CURRENT_OUT] = direct, | |
17 | .format[PSC_POWER] = direct, | |
18 | .format[PSC_TEMPERATURE] = direct, | |
19 | ||
20 | .m[PSC_VOLTAGE_IN] = 32, | |
21 | .b[PSC_VOLTAGE_IN] = 0, | |
22 | .R[PSC_VOLTAGE_IN] = 0, | |
23 | .m[PSC_VOLTAGE_OUT] = 32, | |
24 | .b[PSC_VOLTAGE_OUT] = 0, | |
25 | .R[PSC_VOLTAGE_OUT] = 0, | |
26 | .m[PSC_CURRENT_OUT] = 16, | |
27 | .b[PSC_CURRENT_OUT] = 0, | |
28 | .R[PSC_CURRENT_OUT] = 0, | |
29 | .m[PSC_POWER] = 1, | |
30 | .b[PSC_POWER] = 0, | |
31 | .R[PSC_POWER] = 0, | |
32 | .m[PSC_TEMPERATURE] = 2, | |
33 | .b[PSC_TEMPERATURE] = 0, | |
34 | .R[PSC_TEMPERATURE] = 0, | |
35 | ||
36 | .func[0] = | |
37 | PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN | | |
38 | PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT | | |
39 | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, | |
40 | }; | |
41 | ||
42 | static int mp5023_probe(struct i2c_client *client) | |
43 | { | |
44 | return pmbus_do_probe(client, &mp5023_info); | |
45 | } | |
46 | ||
47 | static const struct of_device_id __maybe_unused mp5023_of_match[] = { | |
48 | { .compatible = "mps,mp5023", }, | |
49 | {} | |
50 | }; | |
51 | ||
52 | MODULE_DEVICE_TABLE(of, mp5023_of_match); | |
53 | ||
54 | static struct i2c_driver mp5023_driver = { | |
55 | .driver = { | |
56 | .name = "mp5023", | |
57 | .of_match_table = of_match_ptr(mp5023_of_match), | |
58 | }, | |
59 | .probe_new = mp5023_probe, | |
60 | }; | |
61 | ||
62 | module_i2c_driver(mp5023_driver); | |
63 | ||
64 | MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>"); | |
65 | MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC"); | |
66 | MODULE_LICENSE("GPL"); | |
67 | MODULE_IMPORT_NS(PMBUS); |