drivers/hwmon/pmbus/adp1050.c

// 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/mod_devicetable.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");