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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for MPS MP5023 Hot-Swap Controller4 */5 6#include <linux/i2c.h>7#include <linux/module.h>8#include <linux/of.h>9#include "pmbus.h"10 11static struct pmbus_driver_info mp5023_info = {12 .pages = 1,13 14 .format[PSC_VOLTAGE_IN] = direct,15 .format[PSC_VOLTAGE_OUT] = direct,16 .format[PSC_CURRENT_OUT] = direct,17 .format[PSC_POWER] = direct,18 .format[PSC_TEMPERATURE] = direct,19 20 .m[PSC_VOLTAGE_IN] = 32,21 .b[PSC_VOLTAGE_IN] = 0,22 .R[PSC_VOLTAGE_IN] = 0,23 .m[PSC_VOLTAGE_OUT] = 32,24 .b[PSC_VOLTAGE_OUT] = 0,25 .R[PSC_VOLTAGE_OUT] = 0,26 .m[PSC_CURRENT_OUT] = 16,27 .b[PSC_CURRENT_OUT] = 0,28 .R[PSC_CURRENT_OUT] = 0,29 .m[PSC_POWER] = 1,30 .b[PSC_POWER] = 0,31 .R[PSC_POWER] = 0,32 .m[PSC_TEMPERATURE] = 2,33 .b[PSC_TEMPERATURE] = 0,34 .R[PSC_TEMPERATURE] = 0,35 36 .func[0] =37 PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN |38 PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT |39 PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP,40};41 42static int mp5023_probe(struct i2c_client *client)43{44 return pmbus_do_probe(client, &mp5023_info);45}46 47static const struct of_device_id __maybe_unused mp5023_of_match[] = {48 { .compatible = "mps,mp5023", },49 {}50};51 52MODULE_DEVICE_TABLE(of, mp5023_of_match);53 54static struct i2c_driver mp5023_driver = {55 .driver = {56 .name = "mp5023",57 .of_match_table = of_match_ptr(mp5023_of_match),58 },59 .probe = mp5023_probe,60};61 62module_i2c_driver(mp5023_driver);63 64MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>");65MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC");66MODULE_LICENSE("GPL");67MODULE_IMPORT_NS(PMBUS);68