drivers/iio/pressure/bmp280-i2c.c

   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
   8 static int bmp280_i2c_probe(struct i2c_client *client)
   9 {
  10         struct regmap *regmap;
  11         const struct bmp280_chip_info *chip_info;
  12         const struct i2c_device_id *id = i2c_client_get_device_id(client);
  13
  14         chip_info = device_get_match_data(&client->dev);
  15         if (!chip_info)
  16                 chip_info = (const struct bmp280_chip_info *) id->driver_data;
  17
  18         regmap = devm_regmap_init_i2c(client, chip_info->regmap_config);
  19         if (IS_ERR(regmap)) {
  20                 dev_err(&client->dev, "failed to allocate register map\n");
  21                 return PTR_ERR(regmap);
  22         }
  23
  24         return bmp280_common_probe(&client->dev,
  25                                    regmap,
  26                                    chip_info,
  27                                    id->name,
  28                                    client->irq);
  29 }
  30
  31 static const struct of_device_id bmp280_of_i2c_match[] = {
  32         { .compatible = "bosch,bmp085", .data = &bmp180_chip_info },
  33         { .compatible = "bosch,bmp180", .data = &bmp180_chip_info },
  34         { .compatible = "bosch,bmp280", .data = &bmp280_chip_info },
  35         { .compatible = "bosch,bme280", .data = &bme280_chip_info },
  36         { .compatible = "bosch,bmp380", .data = &bmp380_chip_info },
  37         { .compatible = "bosch,bmp580", .data = &bmp580_chip_info },
  38         { },
  39 };
  40 MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
  41
  42 static const struct i2c_device_id bmp280_i2c_id[] = {
  43         {"bmp085", (kernel_ulong_t)&bmp180_chip_info },
  44         {"bmp180", (kernel_ulong_t)&bmp180_chip_info },
  45         {"bmp280", (kernel_ulong_t)&bmp280_chip_info },
  46         {"bme280", (kernel_ulong_t)&bme280_chip_info },
  47         {"bmp380", (kernel_ulong_t)&bmp380_chip_info },
  48         {"bmp580", (kernel_ulong_t)&bmp580_chip_info },
  49         { },
  50 };
  51 MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
  52
  53 static struct i2c_driver bmp280_i2c_driver = {
  54         .driver = {
  55                 .name   = "bmp280",
  56                 .of_match_table = bmp280_of_i2c_match,
  57                 .pm = pm_ptr(&bmp280_dev_pm_ops),
  58         },
  59         .probe          = bmp280_i2c_probe,
  60         .id_table       = bmp280_i2c_id,
  61 };
  62 module_i2c_driver(bmp280_i2c_driver);
  63
  64 MODULE_AUTHOR("Vlad Dogaru <[email protected]>");
  65 MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
  66 MODULE_LICENSE("GPL v2");
  67 MODULE_IMPORT_NS(IIO_BMP280);