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71 lines
1.7 KiB
71 lines
1.7 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* BME680 - I2C Driver |
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* |
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* Copyright (C) 2018 Himanshu Jha <[email protected]> |
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* |
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* 7-Bit I2C slave address is: |
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* - 0x76 if SDO is pulled to GND |
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* - 0x77 if SDO is pulled to VDDIO |
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* |
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* Note: SDO pin cannot be left floating otherwise I2C address |
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* will be undefined. |
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*/ |
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#include <linux/acpi.h> |
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#include <linux/i2c.h> |
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#include <linux/module.h> |
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#include <linux/regmap.h> |
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#include "bme680.h" |
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static int bme680_i2c_probe(struct i2c_client *client, |
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const struct i2c_device_id *id) |
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{ |
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struct regmap *regmap; |
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const char *name = NULL; |
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regmap = devm_regmap_init_i2c(client, &bme680_regmap_config); |
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if (IS_ERR(regmap)) { |
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dev_err(&client->dev, "Failed to register i2c regmap %d\n", |
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(int)PTR_ERR(regmap)); |
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return PTR_ERR(regmap); |
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} |
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if (id) |
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name = id->name; |
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return bme680_core_probe(&client->dev, regmap, name); |
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} |
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static const struct i2c_device_id bme680_i2c_id[] = { |
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{"bme680", 0}, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(i2c, bme680_i2c_id); |
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static const struct acpi_device_id bme680_acpi_match[] = { |
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{"BME0680", 0}, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(acpi, bme680_acpi_match); |
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static const struct of_device_id bme680_of_i2c_match[] = { |
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{ .compatible = "bosch,bme680", }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, bme680_of_i2c_match); |
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static struct i2c_driver bme680_i2c_driver = { |
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.driver = { |
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.name = "bme680_i2c", |
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.acpi_match_table = ACPI_PTR(bme680_acpi_match), |
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.of_match_table = bme680_of_i2c_match, |
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}, |
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.probe = bme680_i2c_probe, |
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.id_table = bme680_i2c_id, |
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}; |
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module_i2c_driver(bme680_i2c_driver); |
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MODULE_AUTHOR("Himanshu Jha <[email protected]>"); |
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MODULE_DESCRIPTION("BME680 I2C driver"); |
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MODULE_LICENSE("GPL v2");
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