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/slab.h>
   6 #include <linux/i2c.h>
   7 #include <linux/delay.h>
   8 #include <linux/regmap.h>
   9
  10 #include "kxsd9.h"
  11
  12 static int kxsd9_i2c_probe(struct i2c_client *i2c,
  13                            const struct i2c_device_id *id)
  14 {
  15         static const struct regmap_config config = {
  16                 .reg_bits = 8,
  17                 .val_bits = 8,
  18                 .max_register = 0x0e,
  19         };
  20         struct regmap *regmap;
  21
  22         regmap = devm_regmap_init_i2c(i2c, &config);
  23         if (IS_ERR(regmap)) {
  24                 dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
  25                         (int)PTR_ERR(regmap));
  26                 return PTR_ERR(regmap);
  27         }
  28
  29         return kxsd9_common_probe(&i2c->dev,
  30                                   regmap,
  31                                   i2c->name);
  32 }
  33
  34 static int kxsd9_i2c_remove(struct i2c_client *client)
  35 {
  36         return kxsd9_common_remove(&client->dev);
  37 }
  38
  39 #ifdef CONFIG_OF
  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 #else
  46 #define kxsd9_of_match NULL
  47 #endif
  48
  49 static const struct i2c_device_id kxsd9_i2c_id[] = {
  50         {"kxsd9", 0},
  51         { },
  52 };
  53 MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
  54
  55 static struct i2c_driver kxsd9_i2c_driver = {
  56         .driver = {
  57                 .name   = "kxsd9",
  58                 .of_match_table = of_match_ptr(kxsd9_of_match),
  59                 .pm = &kxsd9_dev_pm_ops,
  60         },
  61         .probe          = kxsd9_i2c_probe,
  62         .remove         = kxsd9_i2c_remove,
  63         .id_table       = kxsd9_i2c_id,
  64 };
  65 module_i2c_driver(kxsd9_i2c_driver);
  66
  67 MODULE_LICENSE("GPL v2");
  68 MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");