drivers/iio/accel/kxsd9-i2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/device.h>
   3 #include <linux/kernel.h>
   4 #include <linux/module.h>
   5 #include <linux/mod_devicetable.h>
   6 #include <linux/slab.h>
   7 #include <linux/i2c.h>
   8 #include <linux/delay.h>
   9 #include <linux/regmap.h>
  10
  11 #include "kxsd9.h"
  12
  13 static int kxsd9_i2c_probe(struct i2c_client *i2c,
  14                            const struct i2c_device_id *id)
  15 {
  16         static const struct regmap_config config = {
  17                 .reg_bits = 8,
  18                 .val_bits = 8,
  19                 .max_register = 0x0e,
  20         };
  21         struct regmap *regmap;
  22
  23         regmap = devm_regmap_init_i2c(i2c, &config);
  24         if (IS_ERR(regmap)) {
  25                 dev_err(&i2c->dev, "Failed to register i2c regmap: %pe\n",
  26                         regmap);
  27                 return PTR_ERR(regmap);
  28         }
  29
  30         return kxsd9_common_probe(&i2c->dev,
  31                                   regmap,
  32                                   i2c->name);
  33 }
  34
  35 static int kxsd9_i2c_remove(struct i2c_client *client)
  36 {
  37         return kxsd9_common_remove(&client->dev);
  38 }
  39
  40 static const struct of_device_id kxsd9_of_match[] = {
  41         { .compatible = "kionix,kxsd9", },
  42         { },
  43 };
  44 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
  45
  46 static const struct i2c_device_id kxsd9_i2c_id[] = {
  47         {"kxsd9", 0},
  48         { },
  49 };
  50 MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
  51
  52 static struct i2c_driver kxsd9_i2c_driver = {
  53         .driver = {
  54                 .name   = "kxsd9",
  55                 .of_match_table = kxsd9_of_match,
  56                 .pm = &kxsd9_dev_pm_ops,
  57         },
  58         .probe          = kxsd9_i2c_probe,
  59         .remove         = kxsd9_i2c_remove,
  60         .id_table       = kxsd9_i2c_id,
  61 };
  62 module_i2c_driver(kxsd9_i2c_driver);
  63
  64 MODULE_LICENSE("GPL v2");
  65 MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");