162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2022 Infineon Technologies. All rights reserved. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/err.h> 962306a36Sopenharmony_ci#include <linux/i2c.h> 1062306a36Sopenharmony_ci#include <linux/init.h> 1162306a36Sopenharmony_ci#include <linux/kernel.h> 1262306a36Sopenharmony_ci#include <linux/module.h> 1362306a36Sopenharmony_ci#include "pmbus.h" 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#define XDPE152_PAGE_NUM 2 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistatic struct pmbus_driver_info xdpe152_info = { 1862306a36Sopenharmony_ci .pages = XDPE152_PAGE_NUM, 1962306a36Sopenharmony_ci .format[PSC_VOLTAGE_IN] = linear, 2062306a36Sopenharmony_ci .format[PSC_VOLTAGE_OUT] = linear, 2162306a36Sopenharmony_ci .format[PSC_TEMPERATURE] = linear, 2262306a36Sopenharmony_ci .format[PSC_CURRENT_IN] = linear, 2362306a36Sopenharmony_ci .format[PSC_CURRENT_OUT] = linear, 2462306a36Sopenharmony_ci .format[PSC_POWER] = linear, 2562306a36Sopenharmony_ci .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 2662306a36Sopenharmony_ci PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 2762306a36Sopenharmony_ci PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | 2862306a36Sopenharmony_ci PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, 2962306a36Sopenharmony_ci .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | 3062306a36Sopenharmony_ci PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 3162306a36Sopenharmony_ci PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, 3262306a36Sopenharmony_ci}; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cistatic int xdpe152_probe(struct i2c_client *client) 3562306a36Sopenharmony_ci{ 3662306a36Sopenharmony_ci struct pmbus_driver_info *info; 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), 3962306a36Sopenharmony_ci GFP_KERNEL); 4062306a36Sopenharmony_ci if (!info) 4162306a36Sopenharmony_ci return -ENOMEM; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci return pmbus_do_probe(client, info); 4462306a36Sopenharmony_ci} 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_cistatic const struct i2c_device_id xdpe152_id[] = { 4762306a36Sopenharmony_ci {"xdpe152c4", 0}, 4862306a36Sopenharmony_ci {"xdpe15284", 0}, 4962306a36Sopenharmony_ci {} 5062306a36Sopenharmony_ci}; 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ciMODULE_DEVICE_TABLE(i2c, xdpe152_id); 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_cistatic const struct of_device_id __maybe_unused xdpe152_of_match[] = { 5562306a36Sopenharmony_ci {.compatible = "infineon,xdpe152c4"}, 5662306a36Sopenharmony_ci {.compatible = "infineon,xdpe15284"}, 5762306a36Sopenharmony_ci {} 5862306a36Sopenharmony_ci}; 5962306a36Sopenharmony_ciMODULE_DEVICE_TABLE(of, xdpe152_of_match); 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_cistatic struct i2c_driver xdpe152_driver = { 6262306a36Sopenharmony_ci .driver = { 6362306a36Sopenharmony_ci .name = "xdpe152c4", 6462306a36Sopenharmony_ci .of_match_table = of_match_ptr(xdpe152_of_match), 6562306a36Sopenharmony_ci }, 6662306a36Sopenharmony_ci .probe = xdpe152_probe, 6762306a36Sopenharmony_ci .id_table = xdpe152_id, 6862306a36Sopenharmony_ci}; 6962306a36Sopenharmony_ci 7062306a36Sopenharmony_cimodule_i2c_driver(xdpe152_driver); 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ciMODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>"); 7362306a36Sopenharmony_ciMODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); 7462306a36Sopenharmony_ciMODULE_LICENSE("GPL"); 7562306a36Sopenharmony_ciMODULE_IMPORT_NS(PMBUS); 76