| Eric Andersson | 985087d | 2012-04-09 22:16:17 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 Bosch Sensortec GmbH |
| 3 | * Copyright (c) 2012 Unixphere AB |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/i2c.h> |
| 22 | #include <linux/err.h> |
| 23 | #include "bmp085.h" |
| 24 | |
| 25 | #define BMP085_I2C_ADDRESS 0x77 |
| 26 | |
| 27 | static const unsigned short normal_i2c[] = { BMP085_I2C_ADDRESS, |
| 28 | I2C_CLIENT_END }; |
| 29 | |
| 30 | static int bmp085_i2c_detect(struct i2c_client *client, |
| 31 | struct i2c_board_info *info) |
| 32 | { |
| 33 | if (client->addr != BMP085_I2C_ADDRESS) |
| 34 | return -ENODEV; |
| 35 | |
| 36 | return bmp085_detect(&client->dev); |
| 37 | } |
| 38 | |
| 39 | static int __devinit bmp085_i2c_probe(struct i2c_client *client, |
| 40 | const struct i2c_device_id *id) |
| 41 | { |
| 42 | int err; |
| 43 | struct regmap *regmap = devm_regmap_init_i2c(client, |
| 44 | &bmp085_regmap_config); |
| 45 | |
| 46 | if (IS_ERR(regmap)) { |
| 47 | err = PTR_ERR(regmap); |
| 48 | dev_err(&client->dev, "Failed to init regmap: %d\n", err); |
| 49 | return err; |
| 50 | } |
| 51 | |
| 52 | return bmp085_probe(&client->dev, regmap); |
| 53 | } |
| 54 | |
| 55 | static int bmp085_i2c_remove(struct i2c_client *client) |
| 56 | { |
| 57 | return bmp085_remove(&client->dev); |
| 58 | } |
| 59 | |
| 60 | static const struct of_device_id bmp085_of_match[] = { |
| 61 | { .compatible = "bosch,bmp085", }, |
| 62 | { }, |
| 63 | }; |
| 64 | MODULE_DEVICE_TABLE(of, bmp085_of_match); |
| 65 | |
| 66 | static const struct i2c_device_id bmp085_id[] = { |
| 67 | { BMP085_NAME, 0 }, |
| 68 | { "bmp180", 0 }, |
| 69 | { } |
| 70 | }; |
| 71 | MODULE_DEVICE_TABLE(i2c, bmp085_id); |
| 72 | |
| 73 | static struct i2c_driver bmp085_i2c_driver = { |
| 74 | .driver = { |
| 75 | .owner = THIS_MODULE, |
| 76 | .name = BMP085_NAME, |
| 77 | .of_match_table = bmp085_of_match |
| 78 | }, |
| 79 | .id_table = bmp085_id, |
| 80 | .probe = bmp085_i2c_probe, |
| 81 | .remove = __devexit_p(bmp085_i2c_remove), |
| 82 | |
| 83 | .detect = bmp085_i2c_detect, |
| 84 | .address_list = normal_i2c |
| 85 | }; |
| 86 | |
| 87 | module_i2c_driver(bmp085_i2c_driver); |
| 88 | |
| 89 | MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>"); |
| 90 | MODULE_DESCRIPTION("BMP085 I2C bus driver"); |
| 91 | MODULE_LICENSE("GPL"); |