forked from luck/tmp_suning_uos_patched
4eb64ee135
There is an automatic binding done for I2C devices in the of_i2c core code. So, DT will be able to bind to any I2C device using the already existing table: MODULE_DEVICE_TABLE(i2c, bmp085_id). Tested on omap5430 evm. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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* Copyright (c) 2012 Bosch Sensortec GmbH
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* Copyright (c) 2012 Unixphere AB
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/err.h>
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#include "bmp085.h"
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#define BMP085_I2C_ADDRESS 0x77
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static const unsigned short normal_i2c[] = { BMP085_I2C_ADDRESS,
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I2C_CLIENT_END };
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static int bmp085_i2c_detect(struct i2c_client *client,
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struct i2c_board_info *info)
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{
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if (client->addr != BMP085_I2C_ADDRESS)
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return -ENODEV;
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return bmp085_detect(&client->dev);
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}
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static int __devinit bmp085_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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int err;
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struct regmap *regmap = devm_regmap_init_i2c(client,
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&bmp085_regmap_config);
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if (IS_ERR(regmap)) {
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err = PTR_ERR(regmap);
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dev_err(&client->dev, "Failed to init regmap: %d\n", err);
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return err;
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}
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return bmp085_probe(&client->dev, regmap);
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}
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static int bmp085_i2c_remove(struct i2c_client *client)
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{
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return bmp085_remove(&client->dev);
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}
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static const struct i2c_device_id bmp085_id[] = {
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{ BMP085_NAME, 0 },
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{ "bmp180", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, bmp085_id);
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static struct i2c_driver bmp085_i2c_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = BMP085_NAME,
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},
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.id_table = bmp085_id,
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.probe = bmp085_i2c_probe,
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.remove = __devexit_p(bmp085_i2c_remove),
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.detect = bmp085_i2c_detect,
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.address_list = normal_i2c
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};
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module_i2c_driver(bmp085_i2c_driver);
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MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>");
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MODULE_DESCRIPTION("BMP085 I2C bus driver");
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MODULE_LICENSE("GPL");
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