18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Hardware monitoring driver for Maxim MAX20751 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (c) 2015 Guenter Roeck 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#include <linux/kernel.h> 98c2ecf20Sopenharmony_ci#include <linux/module.h> 108c2ecf20Sopenharmony_ci#include <linux/init.h> 118c2ecf20Sopenharmony_ci#include <linux/err.h> 128c2ecf20Sopenharmony_ci#include <linux/i2c.h> 138c2ecf20Sopenharmony_ci#include "pmbus.h" 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_cistatic struct pmbus_driver_info max20751_info = { 168c2ecf20Sopenharmony_ci .pages = 1, 178c2ecf20Sopenharmony_ci .format[PSC_VOLTAGE_IN] = linear, 188c2ecf20Sopenharmony_ci .format[PSC_VOLTAGE_OUT] = vid, 198c2ecf20Sopenharmony_ci .vrm_version[0] = vr12, 208c2ecf20Sopenharmony_ci .format[PSC_TEMPERATURE] = linear, 218c2ecf20Sopenharmony_ci .format[PSC_CURRENT_OUT] = linear, 228c2ecf20Sopenharmony_ci .format[PSC_POWER] = linear, 238c2ecf20Sopenharmony_ci .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 248c2ecf20Sopenharmony_ci PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 258c2ecf20Sopenharmony_ci PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | 268c2ecf20Sopenharmony_ci PMBUS_HAVE_POUT, 278c2ecf20Sopenharmony_ci}; 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_cistatic int max20751_probe(struct i2c_client *client) 308c2ecf20Sopenharmony_ci{ 318c2ecf20Sopenharmony_ci return pmbus_do_probe(client, &max20751_info); 328c2ecf20Sopenharmony_ci} 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_cistatic const struct i2c_device_id max20751_id[] = { 358c2ecf20Sopenharmony_ci {"max20751", 0}, 368c2ecf20Sopenharmony_ci {} 378c2ecf20Sopenharmony_ci}; 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(i2c, max20751_id); 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_cistatic struct i2c_driver max20751_driver = { 428c2ecf20Sopenharmony_ci .driver = { 438c2ecf20Sopenharmony_ci .name = "max20751", 448c2ecf20Sopenharmony_ci }, 458c2ecf20Sopenharmony_ci .probe_new = max20751_probe, 468c2ecf20Sopenharmony_ci .remove = pmbus_do_remove, 478c2ecf20Sopenharmony_ci .id_table = max20751_id, 488c2ecf20Sopenharmony_ci}; 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_cimodule_i2c_driver(max20751_driver); 518c2ecf20Sopenharmony_ci 528c2ecf20Sopenharmony_ciMODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); 538c2ecf20Sopenharmony_ciMODULE_DESCRIPTION("PMBus driver for Maxim MAX20751"); 548c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL"); 55