LXR linux/drivers/iio/pressure/bmp280-i2c.c

   1#include <linux/module.h>
   2#include <linux/i2c.h>
   3#include <linux/acpi.h>
   4#include <linux/of.h>
   5#include <linux/regmap.h>
   6
   7#include "bmp280.h"
   8
   9static int bmp280_i2c_probe(struct i2c_client *client,
  10                            const struct i2c_device_id *id)
  11{
  12        struct regmap *regmap;
  13        const struct regmap_config *regmap_config;
  14
  15        switch (id->driver_data) {
  16        case BMP180_CHIP_ID:
  17                regmap_config = &bmp180_regmap_config;
  18                break;
  19        case BMP280_CHIP_ID:
  20        case BME280_CHIP_ID:
  21                regmap_config = &bmp280_regmap_config;
  22                break;
  23        default:
  24                return -EINVAL;
  25        }
  26
  27        regmap = devm_regmap_init_i2c(client, regmap_config);
  28        if (IS_ERR(regmap)) {
  29                dev_err(&client->dev, "failed to allocate register map\n");
  30                return PTR_ERR(regmap);
  31        }
  32
  33        return bmp280_common_probe(&client->dev,
  34                                   regmap,
  35                                   id->driver_data,
  36                                   id->name,
  37                                   client->irq);
  38}
  39
  40static int bmp280_i2c_remove(struct i2c_client *client)
  41{
  42        return bmp280_common_remove(&client->dev);
  43}
  44
  45static const struct acpi_device_id bmp280_acpi_i2c_match[] = {
  46        {"BMP0280", BMP280_CHIP_ID },
  47        {"BMP0180", BMP180_CHIP_ID },
  48        {"BMP0085", BMP180_CHIP_ID },
  49        {"BME0280", BME280_CHIP_ID },
  50        { },
  51};
  52MODULE_DEVICE_TABLE(acpi, bmp280_acpi_i2c_match);
  53
  54#ifdef CONFIG_OF
  55static const struct of_device_id bmp280_of_i2c_match[] = {
  56        { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
  57        { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
  58        { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
  59        { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
  60        { },
  61};
  62MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
  63#else
  64#define bmp280_of_i2c_match NULL
  65#endif
  66
  67static const struct i2c_device_id bmp280_i2c_id[] = {
  68        {"bmp280", BMP280_CHIP_ID },
  69        {"bmp180", BMP180_CHIP_ID },
  70        {"bmp085", BMP180_CHIP_ID },
  71        {"bme280", BME280_CHIP_ID },
  72        { },
  73};
  74MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
  75
  76static struct i2c_driver bmp280_i2c_driver = {
  77        .driver = {
  78                .name   = "bmp280",
  79                .acpi_match_table = ACPI_PTR(bmp280_acpi_i2c_match),
  80                .of_match_table = of_match_ptr(bmp280_of_i2c_match),
  81                .pm = &bmp280_dev_pm_ops,
  82        },
  83        .probe          = bmp280_i2c_probe,
  84        .remove         = bmp280_i2c_remove,
  85        .id_table       = bmp280_i2c_id,
  86};
  87module_i2c_driver(bmp280_i2c_driver);
  88
  89MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
  90MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
  91MODULE_LICENSE("GPL v2");
  92