19054416aSGreg.Schwendimann@infineon.com // SPDX-License-Identifier: GPL-2.0-or-later 29054416aSGreg.Schwendimann@infineon.com /* 39054416aSGreg.Schwendimann@infineon.com * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers 49054416aSGreg.Schwendimann@infineon.com * 59054416aSGreg.Schwendimann@infineon.com * Copyright (c) 2022 Infineon Technologies. All rights reserved. 69054416aSGreg.Schwendimann@infineon.com */ 79054416aSGreg.Schwendimann@infineon.com 89054416aSGreg.Schwendimann@infineon.com #include <linux/err.h> 99054416aSGreg.Schwendimann@infineon.com #include <linux/i2c.h> 109054416aSGreg.Schwendimann@infineon.com #include <linux/init.h> 119054416aSGreg.Schwendimann@infineon.com #include <linux/kernel.h> 129054416aSGreg.Schwendimann@infineon.com #include <linux/module.h> 139054416aSGreg.Schwendimann@infineon.com #include "pmbus.h" 149054416aSGreg.Schwendimann@infineon.com 159054416aSGreg.Schwendimann@infineon.com #define XDPE152_PAGE_NUM 2 169054416aSGreg.Schwendimann@infineon.com 179054416aSGreg.Schwendimann@infineon.com static struct pmbus_driver_info xdpe152_info = { 189054416aSGreg.Schwendimann@infineon.com .pages = XDPE152_PAGE_NUM, 199054416aSGreg.Schwendimann@infineon.com .format[PSC_VOLTAGE_IN] = linear, 209054416aSGreg.Schwendimann@infineon.com .format[PSC_VOLTAGE_OUT] = linear, 219054416aSGreg.Schwendimann@infineon.com .format[PSC_TEMPERATURE] = linear, 229054416aSGreg.Schwendimann@infineon.com .format[PSC_CURRENT_IN] = linear, 239054416aSGreg.Schwendimann@infineon.com .format[PSC_CURRENT_OUT] = linear, 249054416aSGreg.Schwendimann@infineon.com .format[PSC_POWER] = linear, 259054416aSGreg.Schwendimann@infineon.com .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 269054416aSGreg.Schwendimann@infineon.com PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 279054416aSGreg.Schwendimann@infineon.com PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | 289054416aSGreg.Schwendimann@infineon.com PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, 299054416aSGreg.Schwendimann@infineon.com .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 309054416aSGreg.Schwendimann@infineon.com PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 319054416aSGreg.Schwendimann@infineon.com PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, 329054416aSGreg.Schwendimann@infineon.com }; 339054416aSGreg.Schwendimann@infineon.com 349054416aSGreg.Schwendimann@infineon.com static int xdpe152_probe(struct i2c_client *client) 359054416aSGreg.Schwendimann@infineon.com { 369054416aSGreg.Schwendimann@infineon.com struct pmbus_driver_info *info; 379054416aSGreg.Schwendimann@infineon.com 389054416aSGreg.Schwendimann@infineon.com info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), 399054416aSGreg.Schwendimann@infineon.com GFP_KERNEL); 409054416aSGreg.Schwendimann@infineon.com if (!info) 419054416aSGreg.Schwendimann@infineon.com return -ENOMEM; 429054416aSGreg.Schwendimann@infineon.com 439054416aSGreg.Schwendimann@infineon.com return pmbus_do_probe(client, info); 449054416aSGreg.Schwendimann@infineon.com } 459054416aSGreg.Schwendimann@infineon.com 469054416aSGreg.Schwendimann@infineon.com static const struct i2c_device_id xdpe152_id[] = { 479054416aSGreg.Schwendimann@infineon.com {"xdpe152c4", 0}, 489054416aSGreg.Schwendimann@infineon.com {"xdpe15284", 0}, 499054416aSGreg.Schwendimann@infineon.com {} 509054416aSGreg.Schwendimann@infineon.com }; 519054416aSGreg.Schwendimann@infineon.com 529054416aSGreg.Schwendimann@infineon.com MODULE_DEVICE_TABLE(i2c, xdpe152_id); 539054416aSGreg.Schwendimann@infineon.com 549054416aSGreg.Schwendimann@infineon.com static const struct of_device_id __maybe_unused xdpe152_of_match[] = { 559054416aSGreg.Schwendimann@infineon.com {.compatible = "infineon,xdpe152c4"}, 569054416aSGreg.Schwendimann@infineon.com {.compatible = "infineon,xdpe15284"}, 579054416aSGreg.Schwendimann@infineon.com {} 589054416aSGreg.Schwendimann@infineon.com }; 599054416aSGreg.Schwendimann@infineon.com MODULE_DEVICE_TABLE(of, xdpe152_of_match); 609054416aSGreg.Schwendimann@infineon.com 619054416aSGreg.Schwendimann@infineon.com static struct i2c_driver xdpe152_driver = { 629054416aSGreg.Schwendimann@infineon.com .driver = { 639054416aSGreg.Schwendimann@infineon.com .name = "xdpe152c4", 649054416aSGreg.Schwendimann@infineon.com .of_match_table = of_match_ptr(xdpe152_of_match), 659054416aSGreg.Schwendimann@infineon.com }, 66*1975d167SUwe Kleine-König .probe = xdpe152_probe, 679054416aSGreg.Schwendimann@infineon.com .id_table = xdpe152_id, 689054416aSGreg.Schwendimann@infineon.com }; 699054416aSGreg.Schwendimann@infineon.com 709054416aSGreg.Schwendimann@infineon.com module_i2c_driver(xdpe152_driver); 719054416aSGreg.Schwendimann@infineon.com 729054416aSGreg.Schwendimann@infineon.com MODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>"); 739054416aSGreg.Schwendimann@infineon.com MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); 749054416aSGreg.Schwendimann@infineon.com MODULE_LICENSE("GPL"); 759054416aSGreg.Schwendimann@infineon.com MODULE_IMPORT_NS(PMBUS); 76