1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Hardware monitoring driver for Analog Devices MAX17616/MAX17616A 4 * 5 * Copyright (C) 2025 Analog Devices, Inc. 6 */ 7 8 #include <linux/err.h> 9 #include <linux/i2c.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/module.h> 12 13 #include "pmbus.h" 14 15 static struct pmbus_driver_info max17616_info = { 16 .pages = 1, 17 .format[PSC_VOLTAGE_IN] = direct, 18 .m[PSC_VOLTAGE_IN] = 512, 19 .b[PSC_VOLTAGE_IN] = -18, 20 .R[PSC_VOLTAGE_IN] = -1, 21 22 .format[PSC_VOLTAGE_OUT] = direct, 23 .m[PSC_VOLTAGE_OUT] = 512, 24 .b[PSC_VOLTAGE_OUT] = -18, 25 .R[PSC_VOLTAGE_OUT] = -1, 26 27 .format[PSC_CURRENT_OUT] = direct, 28 .m[PSC_CURRENT_OUT] = 5845, 29 .b[PSC_CURRENT_OUT] = 80, 30 .R[PSC_CURRENT_OUT] = -1, 31 32 .format[PSC_TEMPERATURE] = direct, 33 .m[PSC_TEMPERATURE] = 71, 34 .b[PSC_TEMPERATURE] = 19653, 35 .R[PSC_TEMPERATURE] = -1, 36 37 .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | 38 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_VOUT | 39 PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT | 40 PMBUS_HAVE_STATUS_TEMP, 41 }; 42 43 static int max17616_probe(struct i2c_client *client) 44 { 45 return pmbus_do_probe(client, &max17616_info); 46 } 47 48 static const struct i2c_device_id max17616_id[] = { 49 { "max17616" }, 50 { } 51 }; 52 MODULE_DEVICE_TABLE(i2c, max17616_id); 53 54 static const struct of_device_id max17616_of_match[] = { 55 { .compatible = "adi,max17616" }, 56 { } 57 }; 58 MODULE_DEVICE_TABLE(of, max17616_of_match); 59 60 static struct i2c_driver max17616_driver = { 61 .driver = { 62 .name = "max17616", 63 .of_match_table = max17616_of_match, 64 }, 65 .probe = max17616_probe, 66 .id_table = max17616_id, 67 }; 68 module_i2c_driver(max17616_driver); 69 70 MODULE_AUTHOR("Kim Seer Paller <kimseer.paller@analog.com>"); 71 MODULE_DESCRIPTION("PMBus driver for Analog Devices MAX17616/MAX17616A"); 72 MODULE_LICENSE("GPL"); 73 MODULE_IMPORT_NS("PMBUS"); 74