drivers/iio/accel/mma7455_i2c.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
   4  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
   5  */
   6
   7 #include <linux/i2c.h>
   8 #include <linux/module.h>
   9 #include <linux/regmap.h>
  10
  11 #include "mma7455.h"
  12
  13 static int mma7455_i2c_probe(struct i2c_client *i2c)
  14 {
  15         const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
  16         struct regmap *regmap;
  17         const char *name = NULL;
  18
  19         regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
  20         if (IS_ERR(regmap))
  21                 return PTR_ERR(regmap);
  22
  23         if (id)
  24                 name = id->name;
  25
  26         return mma7455_core_probe(&i2c->dev, regmap, name);
  27 }
  28
  29 static void mma7455_i2c_remove(struct i2c_client *i2c)
  30 {
  31         mma7455_core_remove(&i2c->dev);
  32 }
  33
  34 static const struct i2c_device_id mma7455_i2c_ids[] = {
  35         { "mma7455" },
  36         { "mma7456" },
  37         { }
  38 };
  39 MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
  40
  41 static const struct of_device_id mma7455_of_match[] = {
  42         { .compatible = "fsl,mma7455" },
  43         { .compatible = "fsl,mma7456" },
  44         { }
  45 };
  46 MODULE_DEVICE_TABLE(of, mma7455_of_match);
  47
  48 static struct i2c_driver mma7455_i2c_driver = {
  49         .probe = mma7455_i2c_probe,
  50         .remove = mma7455_i2c_remove,
  51         .id_table = mma7455_i2c_ids,
  52         .driver = {
  53                 .name   = "mma7455-i2c",
  54                 .of_match_table = mma7455_of_match,
  55         },
  56 };
  57 module_i2c_driver(mma7455_i2c_driver);
  58
  59 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
  60 MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
  61 MODULE_LICENSE("GPL v2");
  62 MODULE_IMPORT_NS("IIO_MMA7455");