| Guenter Roeck | dcb7d06 | 2011-01-26 20:14:26 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Hardware monitoring driver for Maxim MAX16064 |
| 3 | * |
| 4 | * Copyright (c) 2011 Ericsson AB. |
| 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 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/err.h> |
| 25 | #include <linux/i2c.h> |
| 26 | #include "pmbus.h" |
| 27 | |
| 28 | static struct pmbus_driver_info max16064_info = { |
| 29 | .pages = 4, |
| 30 | .direct[PSC_VOLTAGE_IN] = true, |
| 31 | .direct[PSC_VOLTAGE_OUT] = true, |
| 32 | .direct[PSC_TEMPERATURE] = true, |
| 33 | .m[PSC_VOLTAGE_IN] = 19995, |
| 34 | .b[PSC_VOLTAGE_IN] = 0, |
| 35 | .R[PSC_VOLTAGE_IN] = -1, |
| 36 | .m[PSC_VOLTAGE_OUT] = 19995, |
| 37 | .b[PSC_VOLTAGE_OUT] = 0, |
| 38 | .R[PSC_VOLTAGE_OUT] = -1, |
| 39 | .m[PSC_TEMPERATURE] = -7612, |
| 40 | .b[PSC_TEMPERATURE] = 335, |
| 41 | .R[PSC_TEMPERATURE] = -3, |
| 42 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP |
| 43 | | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP, |
| 44 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, |
| 45 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, |
| 46 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, |
| 47 | }; |
| 48 | |
| 49 | static int max16064_probe(struct i2c_client *client, |
| 50 | const struct i2c_device_id *id) |
| 51 | { |
| 52 | return pmbus_do_probe(client, id, &max16064_info); |
| 53 | } |
| 54 | |
| 55 | static int max16064_remove(struct i2c_client *client) |
| 56 | { |
| 57 | return pmbus_do_remove(client); |
| 58 | } |
| 59 | |
| 60 | static const struct i2c_device_id max16064_id[] = { |
| 61 | {"max16064", 0}, |
| 62 | {} |
| 63 | }; |
| 64 | |
| 65 | MODULE_DEVICE_TABLE(i2c, max16064_id); |
| 66 | |
| 67 | /* This is the driver that will be inserted */ |
| 68 | static struct i2c_driver max16064_driver = { |
| 69 | .driver = { |
| 70 | .name = "max16064", |
| 71 | }, |
| 72 | .probe = max16064_probe, |
| 73 | .remove = max16064_remove, |
| 74 | .id_table = max16064_id, |
| 75 | }; |
| 76 | |
| 77 | static int __init max16064_init(void) |
| 78 | { |
| 79 | return i2c_add_driver(&max16064_driver); |
| 80 | } |
| 81 | |
| 82 | static void __exit max16064_exit(void) |
| 83 | { |
| 84 | i2c_del_driver(&max16064_driver); |
| 85 | } |
| 86 | |
| 87 | MODULE_AUTHOR("Guenter Roeck"); |
| 88 | MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064"); |
| 89 | MODULE_LICENSE("GPL"); |
| 90 | module_init(max16064_init); |
| 91 | module_exit(max16064_exit); |