max17616.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Hardware monitoring driver for Analog Devices MAX17616/MAX17616A
 4 *
 5 * Copyright (C) 2025 Analog Devices, Inc.
 6 */
 7
 8#include <linux/err.h>
 9#include <linux/i2c.h>
10#include <linux/mod_devicetable.h>
11#include <linux/module.h>
12
13#include "pmbus.h"
14
15static struct pmbus_driver_info max17616_info = {
16	.pages = 1,
17	.format[PSC_VOLTAGE_IN] = direct,
18	.m[PSC_VOLTAGE_IN] = 512,
19	.b[PSC_VOLTAGE_IN] = -18,
20	.R[PSC_VOLTAGE_IN] = -1,
21
22	.format[PSC_VOLTAGE_OUT] = direct,
23	.m[PSC_VOLTAGE_OUT] = 512,
24	.b[PSC_VOLTAGE_OUT] = -18,
25	.R[PSC_VOLTAGE_OUT] = -1,
26
27	.format[PSC_CURRENT_OUT] = direct,
28	.m[PSC_CURRENT_OUT] = 5845,
29	.b[PSC_CURRENT_OUT] = 80,
30	.R[PSC_CURRENT_OUT] = -1,
31
32	.format[PSC_TEMPERATURE] = direct,
33	.m[PSC_TEMPERATURE] = 71,
34	.b[PSC_TEMPERATURE] = 19653,
35	.R[PSC_TEMPERATURE] = -1,
36
37	.func[0] =  PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT |
38		    PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_VOUT |
39		    PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT |
40		    PMBUS_HAVE_STATUS_TEMP,
41};
42
43static int max17616_probe(struct i2c_client *client)
44{
45	return pmbus_do_probe(client, &max17616_info);
46}
47
48static const struct i2c_device_id max17616_id[] = {
49	{ "max17616" },
50	{ }
51};
52MODULE_DEVICE_TABLE(i2c, max17616_id);
53
54static const struct of_device_id max17616_of_match[] = {
55	{ .compatible = "adi,max17616" },
56	{ }
57};
58MODULE_DEVICE_TABLE(of, max17616_of_match);
59
60static struct i2c_driver max17616_driver = {
61	.driver = {
62		.name = "max17616",
63		.of_match_table = max17616_of_match,
64	},
65	.probe = max17616_probe,
66	.id_table = max17616_id,
67};
68module_i2c_driver(max17616_driver);
69
70MODULE_AUTHOR("Kim Seer Paller <kimseer.paller@analog.com>");
71MODULE_DESCRIPTION("PMBus driver for Analog Devices MAX17616/MAX17616A");
72MODULE_LICENSE("GPL");
73MODULE_IMPORT_NS("PMBUS");