hwmon/pmbus/xdpe152c4.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers
0004  *
0005  * Copyright (c) 2022 Infineon Technologies. All rights reserved.
0006  */
0007
0008 #include <linux/err.h>
0009 #include <linux/i2c.h>
0010 #include <linux/init.h>
0011 #include <linux/kernel.h>
0012 #include <linux/module.h>
0013 #include "pmbus.h"
0014
0015 #define XDPE152_PAGE_NUM 2
0016
0017 static struct pmbus_driver_info xdpe152_info = {
0018     .pages = XDPE152_PAGE_NUM,
0019     .format[PSC_VOLTAGE_IN] = linear,
0020     .format[PSC_VOLTAGE_OUT] = linear,
0021     .format[PSC_TEMPERATURE] = linear,
0022     .format[PSC_CURRENT_IN] = linear,
0023     .format[PSC_CURRENT_OUT] = linear,
0024     .format[PSC_POWER] = linear,
0025     .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
0026         PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
0027         PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP |
0028         PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,
0029     .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
0030         PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
0031         PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,
0032 };
0033
0034 static int xdpe152_probe(struct i2c_client *client)
0035 {
0036     struct pmbus_driver_info *info;
0037
0038     info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info),
0039                 GFP_KERNEL);
0040     if (!info)
0041         return -ENOMEM;
0042
0043     return pmbus_do_probe(client, info);
0044 }
0045
0046 static const struct i2c_device_id xdpe152_id[] = {
0047     {"xdpe152c4", 0},
0048     {"xdpe15284", 0},
0049     {}
0050 };
0051
0052 MODULE_DEVICE_TABLE(i2c, xdpe152_id);
0053
0054 static const struct of_device_id __maybe_unused xdpe152_of_match[] = {
0055     {.compatible = "infineon,xdpe152c4"},
0056     {.compatible = "infineon,xdpe15284"},
0057     {}
0058 };
0059 MODULE_DEVICE_TABLE(of, xdpe152_of_match);
0060
0061 static struct i2c_driver xdpe152_driver = {
0062     .driver = {
0063         .name = "xdpe152c4",
0064         .of_match_table = of_match_ptr(xdpe152_of_match),
0065     },
0066     .probe_new = xdpe152_probe,
0067     .id_table = xdpe152_id,
0068 };
0069
0070 module_i2c_driver(xdpe152_driver);
0071
0072 MODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>");
0073 MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family");
0074 MODULE_LICENSE("GPL");
0075 MODULE_IMPORT_NS(PMBUS);