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/mod_devicetable.h>
  10 #include <linux/regmap.h>
  11 #include <linux/spi/spi.h>
  12
  13 #include "adxl372.h"
  14
  15 static const struct regmap_config adxl372_spi_regmap_config = {
  16         .reg_bits = 7,
  17         .pad_bits = 1,
  18         .val_bits = 8,
  19         .read_flag_mask = BIT(0),
  20         .readable_noinc_reg = adxl372_readable_noinc_reg,
  21 };
  22
  23 static int adxl372_spi_probe(struct spi_device *spi)
  24 {
  25         const struct spi_device_id *id = spi_get_device_id(spi);
  26         struct regmap *regmap;
  27
  28         regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
  29         if (IS_ERR(regmap))
  30                 return PTR_ERR(regmap);
  31
  32         return adxl372_probe(&spi->dev, regmap, spi->irq, id->name);
  33 }
  34
  35 static const struct spi_device_id adxl372_spi_id[] = {
  36         { "adxl372", 0 },
  37         {}
  38 };
  39 MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
  40
  41 static const struct of_device_id adxl372_of_match[] = {
  42         { .compatible = "adi,adxl372" },
  43         { }
  44 };
  45 MODULE_DEVICE_TABLE(of, adxl372_of_match);
  46
  47 static struct spi_driver adxl372_spi_driver = {
  48         .driver = {
  49                 .name = "adxl372_spi",
  50                 .of_match_table = adxl372_of_match,
  51         },
  52         .probe = adxl372_spi_probe,
  53         .id_table = adxl372_spi_id,
  54 };
  55
  56 module_spi_driver(adxl372_spi_driver);
  57
  58 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
  59 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
  60 MODULE_LICENSE("GPL");
  61 MODULE_IMPORT_NS(IIO_ADXL372);