diff options
Diffstat (limited to 'drivers/misc/bmp085-spi.c')
-rw-r--r-- | drivers/misc/bmp085-spi.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/misc/bmp085-spi.c b/drivers/misc/bmp085-spi.c new file mode 100644 index 00000000000..78aaff9b523 --- /dev/null +++ b/drivers/misc/bmp085-spi.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2012 Bosch Sensortec GmbH + * Copyright (c) 2012 Unixphere AB + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/spi/spi.h> +#include <linux/err.h> +#include "bmp085.h" + +static int __devinit bmp085_spi_probe(struct spi_device *client) +{ + int err; + struct regmap *regmap; + + client->bits_per_word = 8; + err = spi_setup(client); + if (err < 0) { + dev_err(&client->dev, "spi_setup failed!\n"); + return err; + } + + regmap = devm_regmap_init_spi(client, &bmp085_regmap_config); + if (IS_ERR(regmap)) { + err = PTR_ERR(regmap); + dev_err(&client->dev, "Failed to init regmap: %d\n", err); + return err; + } + + return bmp085_probe(&client->dev, regmap); +} + +static int bmp085_spi_remove(struct spi_device *client) +{ + return bmp085_remove(&client->dev); +} + +static const struct of_device_id bmp085_of_match[] = { + { .compatible = "bosch,bmp085", }, + { }, +}; +MODULE_DEVICE_TABLE(of, bmp085_of_match); + +static const struct spi_device_id bmp085_id[] = { + { "bmp180", 0 }, + { "bmp181", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, bmp085_id); + +static struct spi_driver bmp085_spi_driver = { + .driver = { + .owner = THIS_MODULE, + .name = BMP085_NAME, + .of_match_table = bmp085_of_match + }, + .id_table = bmp085_id, + .probe = bmp085_spi_probe, + .remove = __devexit_p(bmp085_spi_remove) +}; + +static int __init bmp085_spi_init(void) +{ + return spi_register_driver(&bmp085_spi_driver); +} + +static void __exit bmp085_spi_exit(void) +{ + spi_unregister_driver(&bmp085_spi_driver); +} + +MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>"); +MODULE_DESCRIPTION("BMP085 SPI bus driver"); +MODULE_LICENSE("GPL"); + +module_init(bmp085_spi_init); +module_exit(bmp085_spi_exit); |