65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* BME680 - I2C Driver
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 Himanshu Jha <himanshujha199640@gmail.com>
|
||
|
|
*
|
||
|
|
* 7-Bit I2C slave address is:
|
||
|
|
* - 0x76 if SDO is pulled to GND
|
||
|
|
* - 0x77 if SDO is pulled to VDDIO
|
||
|
|
*
|
||
|
|
* Note: SDO pin cannot be left floating otherwise I2C address
|
||
|
|
* will be undefined.
|
||
|
|
*/
|
||
|
|
#include <linux/acpi.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/regmap.h>
|
||
|
|
|
||
|
|
#include "bme680.h"
|
||
|
|
|
||
|
|
static int bme680_i2c_probe(struct i2c_client *client,
|
||
|
|
const struct i2c_device_id *id)
|
||
|
|
{
|
||
|
|
struct regmap *regmap;
|
||
|
|
const char *name = NULL;
|
||
|
|
|
||
|
|
regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
|
||
|
|
if (IS_ERR(regmap)) {
|
||
|
|
dev_err(&client->dev, "Failed to register i2c regmap %d\n",
|
||
|
|
(int)PTR_ERR(regmap));
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (id)
|
||
|
|
name = id->name;
|
||
|
|
|
||
|
|
return bme680_core_probe(&client->dev, regmap, name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct i2c_device_id bme680_i2c_id[] = {
|
||
|
|
{"bme680", 0},
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, bme680_i2c_id);
|
||
|
|
|
||
|
|
static const struct acpi_device_id bme680_acpi_match[] = {
|
||
|
|
{"BME0680", 0},
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(acpi, bme680_acpi_match);
|
||
|
|
|
||
|
|
static struct i2c_driver bme680_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "bme680_i2c",
|
||
|
|
.acpi_match_table = ACPI_PTR(bme680_acpi_match),
|
||
|
|
},
|
||
|
|
.probe = bme680_i2c_probe,
|
||
|
|
.id_table = bme680_i2c_id,
|
||
|
|
};
|
||
|
|
module_i2c_driver(bme680_i2c_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
|
||
|
|
MODULE_DESCRIPTION("BME680 I2C driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|