| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * BME680 - I2C Driver |
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| 4 | * |
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| 5 | * Copyright (C) 2018 Himanshu Jha <himanshujha199640@gmail.com> |
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| 6 | * |
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| 7 | * 7-Bit I2C slave address is: |
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| 8 | * - 0x76 if SDO is pulled to GND |
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| 9 | * - 0x77 if SDO is pulled to VDDIO |
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| 10 | * |
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| 11 | * Note: SDO pin cannot be left floating otherwise I2C address |
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| 12 | * will be undefined. |
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| 13 | */ |
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| 14 | #include <linux/i2c.h> |
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| 15 | #include <linux/module.h> |
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| 16 | #include <linux/regmap.h> |
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| 17 | |
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| 18 | #include "bme680.h" |
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| 19 | |
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| 20 | static int bme680_i2c_probe(struct i2c_client *client) |
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| 21 | { |
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| 22 | const struct i2c_device_id *id = i2c_client_get_device_id(client); |
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| 23 | struct regmap *regmap; |
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| 24 | const char *name = NULL; |
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| 25 | |
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| 26 | regmap = devm_regmap_init_i2c(client, &bme680_regmap_config); |
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| 27 | if (IS_ERR(ptr: regmap)) { |
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| 28 | dev_err(&client->dev, "Failed to register i2c regmap %ld\n" , PTR_ERR(regmap)); |
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| 29 | return PTR_ERR(ptr: regmap); |
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| 30 | } |
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| 31 | |
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| 32 | if (id) |
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| 33 | name = id->name; |
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| 34 | |
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| 35 | return bme680_core_probe(dev: &client->dev, regmap, name); |
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| 36 | } |
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| 37 | |
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| 38 | static const struct i2c_device_id bme680_i2c_id[] = { |
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| 39 | {"bme680" , 0}, |
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| 40 | {}, |
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| 41 | }; |
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| 42 | MODULE_DEVICE_TABLE(i2c, bme680_i2c_id); |
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| 43 | |
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| 44 | static const struct of_device_id bme680_of_i2c_match[] = { |
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| 45 | { .compatible = "bosch,bme680" , }, |
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| 46 | {}, |
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| 47 | }; |
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| 48 | MODULE_DEVICE_TABLE(of, bme680_of_i2c_match); |
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| 49 | |
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| 50 | static struct i2c_driver bme680_i2c_driver = { |
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| 51 | .driver = { |
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| 52 | .name = "bme680_i2c" , |
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| 53 | .of_match_table = bme680_of_i2c_match, |
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| 54 | }, |
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| 55 | .probe = bme680_i2c_probe, |
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| 56 | .id_table = bme680_i2c_id, |
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| 57 | }; |
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| 58 | module_i2c_driver(bme680_i2c_driver); |
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| 59 | |
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| 60 | MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>" ); |
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| 61 | MODULE_DESCRIPTION("BME680 I2C driver" ); |
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| 62 | MODULE_LICENSE("GPL v2" ); |
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| 63 | MODULE_IMPORT_NS(IIO_BME680); |
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| 64 | |
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