LXR linux/drivers/iio/chemical/bme680

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