mirror of https://gitee.com/openkylin/linux.git
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
|
/*
|
||
|
|
* 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/i2c.h>
|
||
|
|
#include <linux/err.h>
|
||
|
|
#include "bmp085.h"
|
||
|
|
|
||
|
|
#define BMP085_I2C_ADDRESS 0x77
|
||
|
|
|
||
|
|
static const unsigned short normal_i2c[] = { BMP085_I2C_ADDRESS,
|
||
|
|
I2C_CLIENT_END };
|
||
|
|
|
||
|
|
static int bmp085_i2c_detect(struct i2c_client *client,
|
||
|
|
struct i2c_board_info *info)
|
||
|
|
{
|
||
|
|
if (client->addr != BMP085_I2C_ADDRESS)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
return bmp085_detect(&client->dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __devinit bmp085_i2c_probe(struct i2c_client *client,
|
||
|
|
const struct i2c_device_id *id)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
struct regmap *regmap = devm_regmap_init_i2c(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_i2c_remove(struct i2c_client *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 i2c_device_id bmp085_id[] = {
|
||
|
|
{ BMP085_NAME, 0 },
|
||
|
|
{ "bmp180", 0 },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, bmp085_id);
|
||
|
|
|
||
|
|
static struct i2c_driver bmp085_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.name = BMP085_NAME,
|
||
|
|
.of_match_table = bmp085_of_match
|
||
|
|
},
|
||
|
|
.id_table = bmp085_id,
|
||
|
|
.probe = bmp085_i2c_probe,
|
||
|
|
.remove = __devexit_p(bmp085_i2c_remove),
|
||
|
|
|
||
|
|
.detect = bmp085_i2c_detect,
|
||
|
|
.address_list = normal_i2c
|
||
|
|
};
|
||
|
|
|
||
|
|
module_i2c_driver(bmp085_i2c_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>");
|
||
|
|
MODULE_DESCRIPTION("BMP085 I2C bus driver");
|
||
|
|
MODULE_LICENSE("GPL");
|