linux/drivers/iio/pressure/bmp280-i2c.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2#include <linux/module.h>
   3#include <linux/i2c.h>
   4#include <linux/regmap.h>
   5
   6#include "bmp280.h"
   7
   8static int bmp280_i2c_probe(struct i2c_client *client,
   9                            const struct i2c_device_id *id)
  10{
  11        struct regmap *regmap;
  12        const struct regmap_config *regmap_config;
  13
  14        switch (id->driver_data) {
  15        case BMP180_CHIP_ID:
  16                regmap_config = &bmp180_regmap_config;
  17                break;
  18        case BMP280_CHIP_ID:
  19        case BME280_CHIP_ID:
  20                regmap_config = &bmp280_regmap_config;
  21                break;
  22        default:
  23                return -EINVAL;
  24        }
  25
  26        regmap = devm_regmap_init_i2c(client, regmap_config);
  27        if (IS_ERR(regmap)) {
  28                dev_err(&client->dev, "failed to allocate register map\n");
  29                return PTR_ERR(regmap);
  30        }
  31
  32        return bmp280_common_probe(&client->dev,
  33                                   regmap,
  34                                   id->driver_data,
  35                                   id->name,
  36                                   client->irq);
  37}
  38
  39static const struct of_device_id bmp280_of_i2c_match[] = {
  40        { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
  41        { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
  42        { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
  43        { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
  44        { },
  45};
  46MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
  47
  48static const struct i2c_device_id bmp280_i2c_id[] = {
  49        {"bmp280", BMP280_CHIP_ID },
  50        {"bmp180", BMP180_CHIP_ID },
  51        {"bmp085", BMP180_CHIP_ID },
  52        {"bme280", BME280_CHIP_ID },
  53        { },
  54};
  55MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
  56
  57static struct i2c_driver bmp280_i2c_driver = {
  58        .driver = {
  59                .name   = "bmp280",
  60                .of_match_table = bmp280_of_i2c_match,
  61                .pm = &bmp280_dev_pm_ops,
  62        },
  63        .probe          = bmp280_i2c_probe,
  64        .id_table       = bmp280_i2c_id,
  65};
  66module_i2c_driver(bmp280_i2c_driver);
  67
  68MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
  69MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
  70MODULE_LICENSE("GPL v2");
  71