111 строки
2.9 KiB
C
111 строки
2.9 KiB
C
/*
|
|
* 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips:
|
|
* - BMC150
|
|
* - BMI055
|
|
* - BMA255
|
|
* - BMA250E
|
|
* - BMA222E
|
|
* - BMA280
|
|
*
|
|
* Copyright (c) 2014, Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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.
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/module.h>
|
|
#include <linux/acpi.h>
|
|
#include <linux/regmap.h>
|
|
|
|
#include "bmc150-accel.h"
|
|
|
|
static int bmc150_accel_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct regmap *regmap;
|
|
const char *name = NULL;
|
|
bool block_supported =
|
|
i2c_check_functionality(client->adapter, I2C_FUNC_I2C) ||
|
|
i2c_check_functionality(client->adapter,
|
|
I2C_FUNC_SMBUS_READ_I2C_BLOCK);
|
|
|
|
regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf);
|
|
if (IS_ERR(regmap)) {
|
|
dev_err(&client->dev, "Failed to initialize i2c regmap\n");
|
|
return PTR_ERR(regmap);
|
|
}
|
|
|
|
if (id)
|
|
name = id->name;
|
|
|
|
return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name,
|
|
block_supported);
|
|
}
|
|
|
|
static int bmc150_accel_remove(struct i2c_client *client)
|
|
{
|
|
return bmc150_accel_core_remove(&client->dev);
|
|
}
|
|
|
|
static const struct acpi_device_id bmc150_accel_acpi_match[] = {
|
|
{"BSBA0150", bmc150},
|
|
{"BMC150A", bmc150},
|
|
{"BMI055A", bmi055},
|
|
{"BMA0255", bma255},
|
|
{"BMA250E", bma250e},
|
|
{"BMA222E", bma222e},
|
|
{"BMA0280", bma280},
|
|
{"BOSC0200"},
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
|
|
|
|
static const struct i2c_device_id bmc150_accel_id[] = {
|
|
{"bmc150_accel", bmc150},
|
|
{"bmi055_accel", bmi055},
|
|
{"bma255", bma255},
|
|
{"bma250e", bma250e},
|
|
{"bma222e", bma222e},
|
|
{"bma280", bma280},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(i2c, bmc150_accel_id);
|
|
|
|
static const struct of_device_id bmc150_accel_of_match[] = {
|
|
{ .compatible = "bosch,bmc150_accel" },
|
|
{ .compatible = "bosch,bmi055_accel" },
|
|
{ .compatible = "bosch,bma255" },
|
|
{ .compatible = "bosch,bma250e" },
|
|
{ .compatible = "bosch,bma222e" },
|
|
{ .compatible = "bosch,bma280" },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, bmc150_accel_of_match);
|
|
|
|
static struct i2c_driver bmc150_accel_driver = {
|
|
.driver = {
|
|
.name = "bmc150_accel_i2c",
|
|
.of_match_table = bmc150_accel_of_match,
|
|
.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
|
|
.pm = &bmc150_accel_pm_ops,
|
|
},
|
|
.probe = bmc150_accel_probe,
|
|
.remove = bmc150_accel_remove,
|
|
.id_table = bmc150_accel_id,
|
|
};
|
|
module_i2c_driver(bmc150_accel_driver);
|
|
|
|
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("BMC150 I2C accelerometer driver");
|