| 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/spi/spi.h> |
| 22 | #include <linux/err.h> |
| 23 | #include "bmp085.h" |
| 24 | |
| 25 | static int __devinit 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); |
| 45 | } |
| 46 | |
| 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 = __devexit_p(bmp085_spi_remove) |
| 74 | }; |
| 75 | |
| 76 | static int __init bmp085_spi_init(void) |
| 77 | { |
| 78 | return spi_register_driver(&bmp085_spi_driver); |
| 79 | } |
| 80 | |
| 81 | static void __exit bmp085_spi_exit(void) |
| 82 | { |
| 83 | spi_unregister_driver(&bmp085_spi_driver); |
| 84 | } |
| 85 | |
| 86 | MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>"); |
| 87 | MODULE_DESCRIPTION("BMP085 SPI bus driver"); |
| 88 | MODULE_LICENSE("GPL"); |
| 89 | |
| 90 | module_init(bmp085_spi_init); |
| 91 | module_exit(bmp085_spi_exit); |