linux/drivers/iio/imu/fxos8700_i2c.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * FXOS8700 - NXP IMU, I2C bits
   4 *
   5 * 7-bit I2C slave address determined by SA1 and SA0 logic level
   6 * inputs represented in the following table:
   7 *      SA1  |  SA0  |  Slave Address
   8 *      0    |  0    |  0x1E
   9 *      0    |  1    |  0x1D
  10 *      1    |  0    |  0x1C
  11 *      1    |  1    |  0x1F
  12 */
  13#include <linux/acpi.h>
  14#include <linux/i2c.h>
  15#include <linux/module.h>
  16#include <linux/mod_devicetable.h>
  17#include <linux/regmap.h>
  18
  19#include "fxos8700.h"
  20
  21static int fxos8700_i2c_probe(struct i2c_client *client,
  22                              const struct i2c_device_id *id)
  23{
  24        struct regmap *regmap;
  25        const char *name = NULL;
  26
  27        regmap = devm_regmap_init_i2c(client, &fxos8700_regmap_config);
  28        if (IS_ERR(regmap)) {
  29                dev_err(&client->dev, "Failed to register i2c regmap %d\n",
  30                        (int)PTR_ERR(regmap));
  31                return PTR_ERR(regmap);
  32        }
  33
  34        if (id)
  35                name = id->name;
  36
  37        return fxos8700_core_probe(&client->dev, regmap, name, false);
  38}
  39
  40static const struct i2c_device_id fxos8700_i2c_id[] = {
  41        {"fxos8700", 0},
  42        { }
  43};
  44MODULE_DEVICE_TABLE(i2c, fxos8700_i2c_id);
  45
  46static const struct acpi_device_id fxos8700_acpi_match[] = {
  47        {"FXOS8700", 0},
  48        { }
  49};
  50MODULE_DEVICE_TABLE(acpi, fxos8700_acpi_match);
  51
  52static const struct of_device_id fxos8700_of_match[] = {
  53        { .compatible = "nxp,fxos8700" },
  54        { }
  55};
  56MODULE_DEVICE_TABLE(of, fxos8700_of_match);
  57
  58static struct i2c_driver fxos8700_i2c_driver = {
  59        .driver = {
  60                .name                   = "fxos8700_i2c",
  61                .acpi_match_table       = ACPI_PTR(fxos8700_acpi_match),
  62                .of_match_table         = fxos8700_of_match,
  63        },
  64        .probe          = fxos8700_i2c_probe,
  65        .id_table       = fxos8700_i2c_id,
  66};
  67module_i2c_driver(fxos8700_i2c_driver);
  68
  69MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
  70MODULE_DESCRIPTION("FXOS8700 I2C driver");
  71MODULE_LICENSE("GPL v2");
  72