Zhu, Richard \(NSN - CN/Beijing\) | a8bfece | 2014-07-01 07:14:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Hardware monitoring driver for TI TPS40422 |
| 3 | * |
| 4 | * Copyright (c) 2014 Nokia Solutions and Networks. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/err.h> |
| 21 | #include <linux/i2c.h> |
| 22 | #include "pmbus.h" |
| 23 | |
| 24 | static struct pmbus_driver_info tps40422_info = { |
| 25 | .pages = 2, |
| 26 | .format[PSC_VOLTAGE_IN] = linear, |
| 27 | .format[PSC_VOLTAGE_OUT] = linear, |
| 28 | .format[PSC_TEMPERATURE] = linear, |
| 29 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 |
| 30 | | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP |
| 31 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, |
| 32 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 |
| 33 | | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP |
| 34 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, |
| 35 | }; |
| 36 | |
| 37 | static int tps40422_probe(struct i2c_client *client, |
| 38 | const struct i2c_device_id *id) |
| 39 | { |
| 40 | return pmbus_do_probe(client, id, &tps40422_info); |
| 41 | } |
| 42 | |
| 43 | static const struct i2c_device_id tps40422_id[] = { |
| 44 | {"tps40422", 0}, |
| 45 | {} |
| 46 | }; |
| 47 | |
| 48 | MODULE_DEVICE_TABLE(i2c, tps40422_id); |
| 49 | |
| 50 | /* This is the driver that will be inserted */ |
| 51 | static struct i2c_driver tps40422_driver = { |
| 52 | .driver = { |
| 53 | .name = "tps40422", |
| 54 | }, |
| 55 | .probe = tps40422_probe, |
| 56 | .remove = pmbus_do_remove, |
| 57 | .id_table = tps40422_id, |
| 58 | }; |
| 59 | |
| 60 | module_i2c_driver(tps40422_driver); |
| 61 | |
| 62 | MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>"); |
| 63 | MODULE_DESCRIPTION("PMBus driver for TI TPS40422"); |
| 64 | MODULE_LICENSE("GPL"); |