// SPDX-License-Identifier: GPL-2.0
/*
 * Hardware monitoring driver for Analog Devices ADP1050
 *
 * Copyright (C) 2024 Analog Devices, Inc.
 */
#include <linux/bits.h>
#include <linux/i2c.h>
#include <linux/module.h>

#include "pmbus.h"

#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
static const struct regulator_desc adp1050_reg_desc[] = {
        PMBUS_REGULATOR_ONE("vout"),
};
#endif /* CONFIG_SENSORS_ADP1050_REGULATOR */

static struct pmbus_driver_info adp1050_info = {
        .pages = 1,
        .format[PSC_VOLTAGE_IN] = linear,
        .format[PSC_VOLTAGE_OUT] = linear,
        .format[PSC_CURRENT_IN] = linear,
        .format[PSC_TEMPERATURE] = linear,
        .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
                | PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
                | PMBUS_HAVE_IIN | PMBUS_HAVE_TEMP
                | PMBUS_HAVE_STATUS_TEMP,
};

static struct pmbus_driver_info adp1051_info = {
        .pages = 1,
        .format[PSC_VOLTAGE_IN] = linear,
        .format[PSC_VOLTAGE_OUT] = linear,
        .format[PSC_CURRENT_IN] = linear,
        .format[PSC_TEMPERATURE] = linear,
        .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
                | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
                | PMBUS_HAVE_TEMP
                | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
                | PMBUS_HAVE_STATUS_INPUT
                | PMBUS_HAVE_STATUS_TEMP,
};

static struct pmbus_driver_info adp1055_info = {
        .pages = 1,
        .format[PSC_VOLTAGE_IN] = linear,
        .format[PSC_VOLTAGE_OUT] = linear,
        .format[PSC_CURRENT_IN] = linear,
        .format[PSC_TEMPERATURE] = linear,
        .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
                | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
                | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3
                | PMBUS_HAVE_POUT
                | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
                | PMBUS_HAVE_STATUS_INPUT
                | PMBUS_HAVE_STATUS_TEMP,
};

static struct pmbus_driver_info ltp8800_info = {
        .pages = 1,
        .format[PSC_VOLTAGE_IN] = linear,
        .format[PSC_VOLTAGE_OUT] = linear,
        .format[PSC_CURRENT_IN] = linear,
        .format[PSC_TEMPERATURE] = linear,
        .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
                | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
                | PMBUS_HAVE_TEMP
                | PMBUS_HAVE_POUT
                | PMBUS_HAVE_STATUS_VOUT
                | PMBUS_HAVE_STATUS_INPUT
                | PMBUS_HAVE_STATUS_TEMP,
#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
        .num_regulators = 1,
        .reg_desc = adp1050_reg_desc,
#endif
};

static int adp1050_probe(struct i2c_client *client)
{
        struct pmbus_driver_info *info;

        info = (struct pmbus_driver_info *)i2c_get_match_data(client);
        if (!info)
                return -ENODEV;

        return pmbus_do_probe(client, info);
}

static const struct i2c_device_id adp1050_id[] = {
        { .name = "adp1050", .driver_data = (kernel_ulong_t)&adp1050_info },
        { .name = "adp1051", .driver_data = (kernel_ulong_t)&adp1051_info },
        { .name = "adp1055", .driver_data = (kernel_ulong_t)&adp1055_info },
        { .name = "ltp8800", .driver_data = (kernel_ulong_t)&ltp8800_info },
        {}
};
MODULE_DEVICE_TABLE(i2c, adp1050_id);

static const struct of_device_id adp1050_of_match[] = {
        { .compatible = "adi,adp1050", .data = &adp1050_info },
        { .compatible = "adi,adp1051", .data = &adp1051_info },
        { .compatible = "adi,adp1055", .data = &adp1055_info },
        { .compatible = "adi,ltp8800", .data = &ltp8800_info },
        {}
};
MODULE_DEVICE_TABLE(of, adp1050_of_match);

static struct i2c_driver adp1050_driver = {
        .driver = {
                .name = "adp1050",
                .of_match_table = adp1050_of_match,
        },
        .probe = adp1050_probe,
        .id_table = adp1050_id,
};
module_i2c_driver(adp1050_driver);

MODULE_AUTHOR("Radu Sabau <radu.sabau@analog.com>");
MODULE_DESCRIPTION("Analog Devices ADP1050 HWMON PMBus Driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("PMBUS");