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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"); |