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/spi/spi.h>
22 #include <linux/err.h>
23 #include "bmp085.h"
24
bmp085_spi_probe(struct spi_device * client)25 static int bmp085_spi_probe(struct spi_device *client)
26 {
27 int err;
28 struct regmap *regmap;
29
30 client->bits_per_word = 8;
31 err = spi_setup(client);
32 if (err < 0) {
33 dev_err(&client->dev, "spi_setup failed!\n");
34 return err;
35 }
36
37 regmap = devm_regmap_init_spi(client, &bmp085_regmap_config);
38 if (IS_ERR(regmap)) {
39 err = PTR_ERR(regmap);
40 dev_err(&client->dev, "Failed to init regmap: %d\n", err);
41 return err;
42 }
43
44 return bmp085_probe(&client->dev, regmap, client->irq);
45 }
46
bmp085_spi_remove(struct spi_device * client)47 static int bmp085_spi_remove(struct spi_device *client)
48 {
49 return bmp085_remove(&client->dev);
50 }
51
52 static const struct of_device_id bmp085_of_match[] = {
53 { .compatible = "bosch,bmp085", },
54 { },
55 };
56 MODULE_DEVICE_TABLE(of, bmp085_of_match);
57
58 static const struct spi_device_id bmp085_id[] = {
59 { "bmp180", 0 },
60 { "bmp181", 0 },
61 { }
62 };
63 MODULE_DEVICE_TABLE(spi, bmp085_id);
64
65 static struct spi_driver bmp085_spi_driver = {
66 .driver = {
67 .owner = THIS_MODULE,
68 .name = BMP085_NAME,
69 .of_match_table = bmp085_of_match
70 },
71 .id_table = bmp085_id,
72 .probe = bmp085_spi_probe,
73 .remove = bmp085_spi_remove
74 };
75
76 module_spi_driver(bmp085_spi_driver);
77
78 MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>");
79 MODULE_DESCRIPTION("BMP085 SPI bus driver");
80 MODULE_LICENSE("GPL");
81