// SPDX-License-Identifier: GPL-2.0+ /* * Hardware monitoring driver for Infineon TDA38640 * * Copyright (c) 2023 9elements GmbH * */ #include <linux/err.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/regulator/driver.h> #include "pmbus.h" static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = { PMBUS_REGULATOR("vout", 0), }; static struct pmbus_driver_info tda38640_info = { .pages = 1, .format[PSC_VOLTAGE_IN] = linear, .format[PSC_VOLTAGE_OUT] = linear, .format[PSC_CURRENT_OUT] = linear, .format[PSC_CURRENT_IN] = linear, .format[PSC_POWER] = linear, .format[PSC_TEMPERATURE] = linear, .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_IIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN, #if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR) .num_regulators = 1, .reg_desc = tda38640_reg_desc, #endif }; static int tda38640_probe(struct i2c_client *client) { return pmbus_do_probe(client, &tda38640_info); } static const struct i2c_device_id tda38640_id[] = { {"tda38640", 0}, {} }; MODULE_DEVICE_TABLE(i2c, tda38640_id); static const struct of_device_id __maybe_unused tda38640_of_match[] = { { .compatible = "infineon,tda38640"}, { }, }; MODULE_DEVICE_TABLE(of, tda38640_of_match); /* This is the driver that will be inserted */ static struct i2c_driver tda38640_driver = { .driver = { .name = "tda38640", .of_match_table = of_match_ptr(tda38640_of_match), }, .probe_new = tda38640_probe, .id_table = tda38640_id, }; module_i2c_driver(tda38640_driver); MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@9elements.com>"); MODULE_DESCRIPTION("PMBus driver for Infineon TDA38640"); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS(PMBUS);