// SPDX-License-Identifier: GPL-2.0+
/*
 * Hardware monitoring driver for STMicroelectronics digital controller stef48h28
 */

#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>

#include "pmbus.h"

static struct pmbus_driver_info stef48h28_info = {
        .pages = 1,
        .format[PSC_VOLTAGE_IN] = direct,
        .format[PSC_VOLTAGE_OUT] = direct,
        .format[PSC_CURRENT_IN] = direct,
        .format[PSC_CURRENT_OUT] = direct,
        .format[PSC_POWER] = direct,
        .format[PSC_TEMPERATURE] = direct,
        .m[PSC_VOLTAGE_IN] = 50,
        .b[PSC_VOLTAGE_IN] = 0,
        .R[PSC_VOLTAGE_IN] = 0,
        .m[PSC_VOLTAGE_OUT] = 50,
        .b[PSC_VOLTAGE_OUT] = 0,
        .R[PSC_VOLTAGE_OUT] = 0,
        .m[PSC_CURRENT_IN] = 100,
        .b[PSC_CURRENT_IN] = 0,
        .R[PSC_CURRENT_IN] = 0,
        .m[PSC_CURRENT_OUT] = 100,
        .b[PSC_CURRENT_OUT] = 0,
        .R[PSC_CURRENT_OUT] = 0,
        .m[PSC_POWER] = 9765,
        .b[PSC_POWER] = 0,
        .R[PSC_POWER] = -3,
        .m[PSC_TEMPERATURE] = 25,
        .b[PSC_TEMPERATURE] = 500,
        .R[PSC_TEMPERATURE] = 0,
        .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN
                | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
                | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
                | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT
};

static int stef48h28_probe(struct i2c_client *client)
{
        return pmbus_do_probe(client, &stef48h28_info);
}

static const struct i2c_device_id stef48h28_id[] = {
        {"stef48h28"},
        {}
};
MODULE_DEVICE_TABLE(i2c, stef48h28_id);

static const struct of_device_id __maybe_unused stef48h28_of_match[] = {
        {.compatible = "st,stef48h28"},
        {}
};

static struct i2c_driver stef48h28_driver = {
        .driver = {
                        .name = "stef48h28",
                        .of_match_table = of_match_ptr(stef48h28_of_match),
                        },
        .probe = stef48h28_probe,
        .id_table = stef48h28_id,
};

module_i2c_driver(stef48h28_driver);

MODULE_AUTHOR("Charles Hsu <hsu.yungteng@gmail.com>");
MODULE_DESCRIPTION("PMBus driver for ST stef48h28");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("PMBUS");