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1// SPDX-License-Identifier: GPL-2.0+2/*3 * Hardware monitoring driver for the Infineon IRPS5401M PMIC.4 *5 * Copyright (c) 2019 SED Systems, a division of Calian Ltd.6 *7 * The device supports VOUT_PEAK, IOUT_PEAK, and TEMPERATURE_PEAK, however8 * this driver does not currently support them.9 */10 11#include <linux/err.h>12#include <linux/i2c.h>13#include <linux/init.h>14#include <linux/kernel.h>15#include <linux/module.h>16#include "pmbus.h"17 18#define IRPS5401_SW_FUNC (PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | \19 PMBUS_HAVE_STATUS_INPUT | \20 PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \21 PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \22 PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \23 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP)24 25#define IRPS5401_LDO_FUNC (PMBUS_HAVE_VIN | \26 PMBUS_HAVE_STATUS_INPUT | \27 PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \28 PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \29 PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \30 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP)31 32static struct pmbus_driver_info irps5401_info = {33 .pages = 5,34 .func[0] = IRPS5401_SW_FUNC,35 .func[1] = IRPS5401_SW_FUNC,36 .func[2] = IRPS5401_SW_FUNC,37 .func[3] = IRPS5401_SW_FUNC,38 .func[4] = IRPS5401_LDO_FUNC,39};40 41static int irps5401_probe(struct i2c_client *client)42{43 return pmbus_do_probe(client, &irps5401_info);44}45 46static const struct i2c_device_id irps5401_id[] = {47 {"irps5401"},48 {}49};50 51MODULE_DEVICE_TABLE(i2c, irps5401_id);52 53static struct i2c_driver irps5401_driver = {54 .driver = {55 .name = "irps5401",56 },57 .probe = irps5401_probe,58 .id_table = irps5401_id,59};60 61module_i2c_driver(irps5401_driver);62 63MODULE_AUTHOR("Robert Hancock");64MODULE_DESCRIPTION("PMBus driver for Infineon IRPS5401");65MODULE_LICENSE("GPL");66MODULE_IMPORT_NS(PMBUS);67