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