drivers/iio/accel/mma7455_i2c.c

   1 /*
   2  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
   3  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/i2c.h>
  11 #include <linux/module.h>
  12 #include <linux/regmap.h>
  13
  14 #include "mma7455.h"
  15
  16 static int mma7455_i2c_probe(struct i2c_client *i2c,
  17                              const struct i2c_device_id *id)
  18 {
  19         struct regmap *regmap;
  20         const char *name = NULL;
  21
  22         regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
  23         if (IS_ERR(regmap))
  24                 return PTR_ERR(regmap);
  25
  26         if (id)
  27                 name = id->name;
  28
  29         return mma7455_core_probe(&i2c->dev, regmap, name);
  30 }
  31
  32 static int mma7455_i2c_remove(struct i2c_client *i2c)
  33 {
  34         return mma7455_core_remove(&i2c->dev);
  35 }
  36
  37 static const struct i2c_device_id mma7455_i2c_ids[] = {
  38         { "mma7455", 0 },
  39         { "mma7456", 0 },
  40         { }
  41 };
  42 MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
  43
  44 static const struct of_device_id mma7455_of_match[] = {
  45         { .compatible = "fsl,mma7455" },
  46         { .compatible = "fsl,mma7456" },
  47         { }
  48 };
  49 MODULE_DEVICE_TABLE(of, mma7455_of_match);
  50
  51 static struct i2c_driver mma7455_i2c_driver = {
  52         .probe = mma7455_i2c_probe,
  53         .remove = mma7455_i2c_remove,
  54         .id_table = mma7455_i2c_ids,
  55         .driver = {
  56                 .name   = "mma7455-i2c",
  57                 .of_match_table = mma7455_of_match,
  58         },
  59 };
  60 module_i2c_driver(mma7455_i2c_driver);
  61
  62 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
  63 MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
  64 MODULE_LICENSE("GPL v2");