drivers/iio/gyro/bmg160_spi.c

   1 #include <linux/spi/spi.h>
   2 #include <linux/regmap.h>
   3 #include <linux/iio/iio.h>
   4 #include <linux/module.h>
   5
   6 #include "bmg160.h"
   7
   8 static const struct regmap_config bmg160_regmap_spi_conf = {
   9         .reg_bits = 8,
  10         .val_bits = 8,
  11         .max_register = 0x3f,
  12 };
  13
  14 static int bmg160_spi_probe(struct spi_device *spi)
  15 {
  16         struct regmap *regmap;
  17         const struct spi_device_id *id = spi_get_device_id(spi);
  18
  19         regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
  20         if (IS_ERR(regmap)) {
  21                 dev_err(&spi->dev, "Failed to register spi regmap %d\n",
  22                         (int)PTR_ERR(regmap));
  23                 return PTR_ERR(regmap);
  24         }
  25
  26         return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
  27 }
  28
  29 static int bmg160_spi_remove(struct spi_device *spi)
  30 {
  31         bmg160_core_remove(&spi->dev);
  32
  33         return 0;
  34 }
  35
  36 static const struct spi_device_id bmg160_spi_id[] = {
  37         {"bmg160", 0},
  38         {"bmi055_gyro", 0},
  39         {}
  40 };
  41
  42 MODULE_DEVICE_TABLE(spi, bmg160_spi_id);
  43
  44 static struct spi_driver bmg160_spi_driver = {
  45         .driver = {
  46                 .name   = "bmg160_spi",
  47                 .pm     = &bmg160_pm_ops,
  48         },
  49         .probe          = bmg160_spi_probe,
  50         .remove         = bmg160_spi_remove,
  51         .id_table       = bmg160_spi_id,
  52 };
  53 module_spi_driver(bmg160_spi_driver);
  54
  55 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
  56 MODULE_LICENSE("GPL v2");
  57 MODULE_DESCRIPTION("BMG160 SPI Gyro driver");