18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci * Hardware monitoring driver for Maxim MAX20751
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci * Copyright (c) 2015 Guenter Roeck
68c2ecf20Sopenharmony_ci */
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_ci#include <linux/kernel.h>
98c2ecf20Sopenharmony_ci#include <linux/module.h>
108c2ecf20Sopenharmony_ci#include <linux/init.h>
118c2ecf20Sopenharmony_ci#include <linux/err.h>
128c2ecf20Sopenharmony_ci#include <linux/i2c.h>
138c2ecf20Sopenharmony_ci#include "pmbus.h"
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_cistatic struct pmbus_driver_info max20751_info = {
168c2ecf20Sopenharmony_ci	.pages = 1,
178c2ecf20Sopenharmony_ci	.format[PSC_VOLTAGE_IN] = linear,
188c2ecf20Sopenharmony_ci	.format[PSC_VOLTAGE_OUT] = vid,
198c2ecf20Sopenharmony_ci	.vrm_version[0] = vr12,
208c2ecf20Sopenharmony_ci	.format[PSC_TEMPERATURE] = linear,
218c2ecf20Sopenharmony_ci	.format[PSC_CURRENT_OUT] = linear,
228c2ecf20Sopenharmony_ci	.format[PSC_POWER] = linear,
238c2ecf20Sopenharmony_ci	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
248c2ecf20Sopenharmony_ci		PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
258c2ecf20Sopenharmony_ci		PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
268c2ecf20Sopenharmony_ci		PMBUS_HAVE_POUT,
278c2ecf20Sopenharmony_ci};
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_cistatic int max20751_probe(struct i2c_client *client)
308c2ecf20Sopenharmony_ci{
318c2ecf20Sopenharmony_ci	return pmbus_do_probe(client, &max20751_info);
328c2ecf20Sopenharmony_ci}
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_cistatic const struct i2c_device_id max20751_id[] = {
358c2ecf20Sopenharmony_ci	{"max20751", 0},
368c2ecf20Sopenharmony_ci	{}
378c2ecf20Sopenharmony_ci};
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(i2c, max20751_id);
408c2ecf20Sopenharmony_ci
418c2ecf20Sopenharmony_cistatic struct i2c_driver max20751_driver = {
428c2ecf20Sopenharmony_ci	.driver = {
438c2ecf20Sopenharmony_ci		   .name = "max20751",
448c2ecf20Sopenharmony_ci		   },
458c2ecf20Sopenharmony_ci	.probe_new = max20751_probe,
468c2ecf20Sopenharmony_ci	.remove = pmbus_do_remove,
478c2ecf20Sopenharmony_ci	.id_table = max20751_id,
488c2ecf20Sopenharmony_ci};
498c2ecf20Sopenharmony_ci
508c2ecf20Sopenharmony_cimodule_i2c_driver(max20751_driver);
518c2ecf20Sopenharmony_ci
528c2ecf20Sopenharmony_ciMODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
538c2ecf20Sopenharmony_ciMODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
548c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL");
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