1e1c5cd7eSHoward.Chiu@quantatw.com // SPDX-License-Identifier: GPL-2.0-or-later
2e1c5cd7eSHoward.Chiu@quantatw.com /*
3e1c5cd7eSHoward.Chiu@quantatw.com * Driver for MPS MP5023 Hot-Swap Controller
4e1c5cd7eSHoward.Chiu@quantatw.com */
5e1c5cd7eSHoward.Chiu@quantatw.com
6e1c5cd7eSHoward.Chiu@quantatw.com #include <linux/i2c.h>
7e1c5cd7eSHoward.Chiu@quantatw.com #include <linux/module.h>
8*39f03438SRob Herring #include <linux/of.h>
9e1c5cd7eSHoward.Chiu@quantatw.com #include "pmbus.h"
10e1c5cd7eSHoward.Chiu@quantatw.com
11e1c5cd7eSHoward.Chiu@quantatw.com static struct pmbus_driver_info mp5023_info = {
12e1c5cd7eSHoward.Chiu@quantatw.com .pages = 1,
13e1c5cd7eSHoward.Chiu@quantatw.com
14e1c5cd7eSHoward.Chiu@quantatw.com .format[PSC_VOLTAGE_IN] = direct,
15e1c5cd7eSHoward.Chiu@quantatw.com .format[PSC_VOLTAGE_OUT] = direct,
16e1c5cd7eSHoward.Chiu@quantatw.com .format[PSC_CURRENT_OUT] = direct,
17e1c5cd7eSHoward.Chiu@quantatw.com .format[PSC_POWER] = direct,
18e1c5cd7eSHoward.Chiu@quantatw.com .format[PSC_TEMPERATURE] = direct,
19e1c5cd7eSHoward.Chiu@quantatw.com
20e1c5cd7eSHoward.Chiu@quantatw.com .m[PSC_VOLTAGE_IN] = 32,
21e1c5cd7eSHoward.Chiu@quantatw.com .b[PSC_VOLTAGE_IN] = 0,
22e1c5cd7eSHoward.Chiu@quantatw.com .R[PSC_VOLTAGE_IN] = 0,
23e1c5cd7eSHoward.Chiu@quantatw.com .m[PSC_VOLTAGE_OUT] = 32,
24e1c5cd7eSHoward.Chiu@quantatw.com .b[PSC_VOLTAGE_OUT] = 0,
25e1c5cd7eSHoward.Chiu@quantatw.com .R[PSC_VOLTAGE_OUT] = 0,
26e1c5cd7eSHoward.Chiu@quantatw.com .m[PSC_CURRENT_OUT] = 16,
27e1c5cd7eSHoward.Chiu@quantatw.com .b[PSC_CURRENT_OUT] = 0,
28e1c5cd7eSHoward.Chiu@quantatw.com .R[PSC_CURRENT_OUT] = 0,
29e1c5cd7eSHoward.Chiu@quantatw.com .m[PSC_POWER] = 1,
30e1c5cd7eSHoward.Chiu@quantatw.com .b[PSC_POWER] = 0,
31e1c5cd7eSHoward.Chiu@quantatw.com .R[PSC_POWER] = 0,
32e1c5cd7eSHoward.Chiu@quantatw.com .m[PSC_TEMPERATURE] = 2,
33e1c5cd7eSHoward.Chiu@quantatw.com .b[PSC_TEMPERATURE] = 0,
34e1c5cd7eSHoward.Chiu@quantatw.com .R[PSC_TEMPERATURE] = 0,
35e1c5cd7eSHoward.Chiu@quantatw.com
36e1c5cd7eSHoward.Chiu@quantatw.com .func[0] =
37e1c5cd7eSHoward.Chiu@quantatw.com PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN |
38e1c5cd7eSHoward.Chiu@quantatw.com PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT |
39e1c5cd7eSHoward.Chiu@quantatw.com PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP,
40e1c5cd7eSHoward.Chiu@quantatw.com };
41e1c5cd7eSHoward.Chiu@quantatw.com
mp5023_probe(struct i2c_client * client)42e1c5cd7eSHoward.Chiu@quantatw.com static int mp5023_probe(struct i2c_client *client)
43e1c5cd7eSHoward.Chiu@quantatw.com {
44e1c5cd7eSHoward.Chiu@quantatw.com return pmbus_do_probe(client, &mp5023_info);
45e1c5cd7eSHoward.Chiu@quantatw.com }
46e1c5cd7eSHoward.Chiu@quantatw.com
47e1c5cd7eSHoward.Chiu@quantatw.com static const struct of_device_id __maybe_unused mp5023_of_match[] = {
48e1c5cd7eSHoward.Chiu@quantatw.com { .compatible = "mps,mp5023", },
49e1c5cd7eSHoward.Chiu@quantatw.com {}
50e1c5cd7eSHoward.Chiu@quantatw.com };
51e1c5cd7eSHoward.Chiu@quantatw.com
52e1c5cd7eSHoward.Chiu@quantatw.com MODULE_DEVICE_TABLE(of, mp5023_of_match);
53e1c5cd7eSHoward.Chiu@quantatw.com
54e1c5cd7eSHoward.Chiu@quantatw.com static struct i2c_driver mp5023_driver = {
55e1c5cd7eSHoward.Chiu@quantatw.com .driver = {
56e1c5cd7eSHoward.Chiu@quantatw.com .name = "mp5023",
57e1c5cd7eSHoward.Chiu@quantatw.com .of_match_table = of_match_ptr(mp5023_of_match),
58e1c5cd7eSHoward.Chiu@quantatw.com },
591975d167SUwe Kleine-König .probe = mp5023_probe,
60e1c5cd7eSHoward.Chiu@quantatw.com };
61e1c5cd7eSHoward.Chiu@quantatw.com
62e1c5cd7eSHoward.Chiu@quantatw.com module_i2c_driver(mp5023_driver);
63e1c5cd7eSHoward.Chiu@quantatw.com
64e1c5cd7eSHoward.Chiu@quantatw.com MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>");
65e1c5cd7eSHoward.Chiu@quantatw.com MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC");
66e1c5cd7eSHoward.Chiu@quantatw.com MODULE_LICENSE("GPL");
67e1c5cd7eSHoward.Chiu@quantatw.com MODULE_IMPORT_NS(PMBUS);
68