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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for MPS MP5023 Hot-Swap Controller
*/
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/of.h>
#include "pmbus.h"
static struct pmbus_driver_info mp5023_info = {
.pages = 1,
.format[PSC_VOLTAGE_IN] = direct,
.format[PSC_VOLTAGE_OUT] = direct,
.format[PSC_CURRENT_OUT] = direct,
.format[PSC_POWER] = direct,
.format[PSC_TEMPERATURE] = direct,
.m[PSC_VOLTAGE_IN] = 32,
.b[PSC_VOLTAGE_IN] = 0,
.R[PSC_VOLTAGE_IN] = 0,
.m[PSC_VOLTAGE_OUT] = 32,
.b[PSC_VOLTAGE_OUT] = 0,
.R[PSC_VOLTAGE_OUT] = 0,
.m[PSC_CURRENT_OUT] = 16,
.b[PSC_CURRENT_OUT] = 0,
.R[PSC_CURRENT_OUT] = 0,
.m[PSC_POWER] = 1,
.b[PSC_POWER] = 0,
.R[PSC_POWER] = 0,
.m[PSC_TEMPERATURE] = 2,
.b[PSC_TEMPERATURE] = 0,
.R[PSC_TEMPERATURE] = 0,
.func[0] =
PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN |
PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT |
PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP,
};
static int mp5023_probe(struct i2c_client *client)
{
return pmbus_do_probe(client, &mp5023_info);
}
static const struct of_device_id __maybe_unused mp5023_of_match[] = {
{ .compatible = "mps,mp5023", },
{}
};
MODULE_DEVICE_TABLE(of, mp5023_of_match);
static struct i2c_driver mp5023_driver = {
.driver = {
.name = "mp5023",
.of_match_table = of_match_ptr(mp5023_of_match),
},
.probe = mp5023_probe,
};
module_i2c_driver(mp5023_driver);
MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>");
MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("PMBUS");
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