bmp085-spi.c

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/*
 * 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)
};

module_spi_driver(bmp085_spi_driver);

MODULE_AUTHOR("Eric Andersson <[email protected]>");
MODULE_DESCRIPTION("BMP085 SPI bus driver");
MODULE_LICENSE("GPL");