Thomas Gleixner | c942fdd | 2019-05-27 08:55:06 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Guenter Roeck | 1f61cab | 2015-06-08 11:15:23 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Hardware monitoring driver for Maxim MAX20751 |
| 4 | * |
| 5 | * Copyright (c) 2015 Guenter Roeck |
Guenter Roeck | 1f61cab | 2015-06-08 11:15:23 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <linux/kernel.h> |
| 9 | #include <linux/module.h> |
| 10 | #include <linux/init.h> |
| 11 | #include <linux/err.h> |
| 12 | #include <linux/i2c.h> |
| 13 | #include "pmbus.h" |
| 14 | |
| 15 | static struct pmbus_driver_info max20751_info = { |
| 16 | .pages = 1, |
| 17 | .format[PSC_VOLTAGE_IN] = linear, |
| 18 | .format[PSC_VOLTAGE_OUT] = vid, |
Vadim Pasternak | b9fa0a3 | 2020-01-13 15:08:36 +0000 | [diff] [blame] | 19 | .vrm_version[0] = vr12, |
Guenter Roeck | 1f61cab | 2015-06-08 11:15:23 -0700 | [diff] [blame] | 20 | .format[PSC_TEMPERATURE] = linear, |
| 21 | .format[PSC_CURRENT_OUT] = linear, |
| 22 | .format[PSC_POWER] = linear, |
| 23 | .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
| 24 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | |
| 25 | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | |
| 26 | PMBUS_HAVE_POUT, |
| 27 | }; |
| 28 | |
| 29 | static int max20751_probe(struct i2c_client *client, |
| 30 | const struct i2c_device_id *id) |
| 31 | { |
| 32 | return pmbus_do_probe(client, id, &max20751_info); |
| 33 | } |
| 34 | |
| 35 | static const struct i2c_device_id max20751_id[] = { |
| 36 | {"max20751", 0}, |
| 37 | {} |
| 38 | }; |
| 39 | |
| 40 | MODULE_DEVICE_TABLE(i2c, max20751_id); |
| 41 | |
| 42 | static struct i2c_driver max20751_driver = { |
| 43 | .driver = { |
| 44 | .name = "max20751", |
| 45 | }, |
| 46 | .probe = max20751_probe, |
| 47 | .remove = pmbus_do_remove, |
| 48 | .id_table = max20751_id, |
| 49 | }; |
| 50 | |
| 51 | module_i2c_driver(max20751_driver); |
| 52 | |
| 53 | MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); |
| 54 | MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751"); |
| 55 | MODULE_LICENSE("GPL"); |