drivers/iio/accel/adxl372_spi.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * ADXL372 3-Axis Digital Accelerometer SPI driver
   4  *
   5  * Copyright 2018 Analog Devices Inc.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/regmap.h>
  10 #include <linux/spi/spi.h>
  11
  12 #include "adxl372.h"
  13
  14 static const struct regmap_config adxl372_spi_regmap_config = {
  15         .reg_bits = 7,
  16         .pad_bits = 1,
  17         .val_bits = 8,
  18         .read_flag_mask = BIT(0),
  19         .readable_noinc_reg = adxl372_readable_noinc_reg,
  20 };
  21
  22 static int adxl372_spi_probe(struct spi_device *spi)
  23 {
  24         const struct spi_device_id *id = spi_get_device_id(spi);
  25         struct regmap *regmap;
  26
  27         regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
  28         if (IS_ERR(regmap))
  29                 return PTR_ERR(regmap);
  30
  31         return adxl372_probe(&spi->dev, regmap, spi->irq, id->name);
  32 }
  33
  34 static const struct spi_device_id adxl372_spi_id[] = {
  35         { "adxl372", 0 },
  36         {}
  37 };
  38 MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
  39
  40 static struct spi_driver adxl372_spi_driver = {
  41         .driver = {
  42                 .name = "adxl372_spi",
  43         },
  44         .probe = adxl372_spi_probe,
  45         .id_table = adxl372_spi_id,
  46 };
  47
  48 module_spi_driver(adxl372_spi_driver);
  49
  50 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
  51 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
  52 MODULE_LICENSE("GPL");