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9054416a GS |
1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* | |
3 | * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers | |
4 | * | |
5 | * Copyright (c) 2022 Infineon Technologies. All rights reserved. | |
6 | */ | |
7 | ||
8 | #include <linux/err.h> | |
9 | #include <linux/i2c.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/module.h> | |
13 | #include "pmbus.h" | |
14 | ||
15 | #define XDPE152_PAGE_NUM 2 | |
16 | ||
17 | static struct pmbus_driver_info xdpe152_info = { | |
18 | .pages = XDPE152_PAGE_NUM, | |
19 | .format[PSC_VOLTAGE_IN] = linear, | |
20 | .format[PSC_VOLTAGE_OUT] = linear, | |
21 | .format[PSC_TEMPERATURE] = linear, | |
22 | .format[PSC_CURRENT_IN] = linear, | |
23 | .format[PSC_CURRENT_OUT] = linear, | |
24 | .format[PSC_POWER] = linear, | |
25 | .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | | |
26 | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | | |
27 | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | | |
28 | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, | |
29 | .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | | |
30 | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | | |
31 | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, | |
32 | }; | |
33 | ||
34 | static int xdpe152_probe(struct i2c_client *client) | |
35 | { | |
36 | struct pmbus_driver_info *info; | |
37 | ||
38 | info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), | |
39 | GFP_KERNEL); | |
40 | if (!info) | |
41 | return -ENOMEM; | |
42 | ||
43 | return pmbus_do_probe(client, info); | |
44 | } | |
45 | ||
46 | static const struct i2c_device_id xdpe152_id[] = { | |
d8a66f36 UKK |
47 | {"xdpe152c4"}, |
48 | {"xdpe15284"}, | |
9054416a GS |
49 | {} |
50 | }; | |
51 | ||
52 | MODULE_DEVICE_TABLE(i2c, xdpe152_id); | |
53 | ||
54 | static const struct of_device_id __maybe_unused xdpe152_of_match[] = { | |
55 | {.compatible = "infineon,xdpe152c4"}, | |
56 | {.compatible = "infineon,xdpe15284"}, | |
57 | {} | |
58 | }; | |
59 | MODULE_DEVICE_TABLE(of, xdpe152_of_match); | |
60 | ||
61 | static struct i2c_driver xdpe152_driver = { | |
62 | .driver = { | |
63 | .name = "xdpe152c4", | |
64 | .of_match_table = of_match_ptr(xdpe152_of_match), | |
65 | }, | |
1975d167 | 66 | .probe = xdpe152_probe, |
9054416a GS |
67 | .id_table = xdpe152_id, |
68 | }; | |
69 | ||
70 | module_i2c_driver(xdpe152_driver); | |
71 | ||
72 | MODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>"); | |
73 | MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); | |
74 | MODULE_LICENSE("GPL"); | |
75 | MODULE_IMPORT_NS(PMBUS); |