// SPDX-License-Identifier: GPL-2.0-or-later /* * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers * * Copyright (c) 2022 Infineon Technologies. All rights reserved. */ #include <linux/err.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include "pmbus.h" #define XDPE152_PAGE_NUM 2 static struct pmbus_driver_info xdpe152_info = { .pages = XDPE152_PAGE_NUM, .format[PSC_VOLTAGE_IN] = linear, .format[PSC_VOLTAGE_OUT] = linear, .format[PSC_TEMPERATURE] = linear, .format[PSC_CURRENT_IN] = linear, .format[PSC_CURRENT_OUT] = linear, .format[PSC_POWER] = linear, .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, }; static int xdpe152_probe(struct i2c_client *client) { struct pmbus_driver_info *info; info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; return pmbus_do_probe(client, info); } static const struct i2c_device_id xdpe152_id[] = { {"xdpe152c4"}, {"xdpe15284"}, {} }; MODULE_DEVICE_TABLE(i2c, xdpe152_id); static const struct of_device_id __maybe_unused xdpe152_of_match[] = { {.compatible = "infineon,xdpe152c4"}, {.compatible = "infineon,xdpe15284"}, {} }; MODULE_DEVICE_TABLE(of, xdpe152_of_match); static struct i2c_driver xdpe152_driver = { .driver = { .name = "xdpe152c4", .of_match_table = of_match_ptr(xdpe152_of_match), }, .probe = xdpe152_probe, .id_table = xdpe152_id, }; module_i2c_driver(xdpe152_driver); MODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>"); MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS(PMBUS);