drivers/iio/accel/bmc150-accel-spi.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
   4  * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
   5  */
   6
   7 #include <linux/device.h>
   8 #include <linux/mod_devicetable.h>
   9 #include <linux/module.h>
  10 #include <linux/regmap.h>
  11 #include <linux/spi/spi.h>
  12
  13 #include "bmc150-accel.h"
  14
  15 static int bmc150_accel_probe(struct spi_device *spi)
  16 {
  17         struct regmap *regmap;
  18         const char *name = NULL;
  19         enum bmc150_type type = BOSCH_UNKNOWN;
  20         const struct spi_device_id *id = spi_get_device_id(spi);
  21
  22         regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
  23         if (IS_ERR(regmap)) {
  24                 dev_err(&spi->dev, "Failed to initialize spi regmap\n");
  25                 return PTR_ERR(regmap);
  26         }
  27
  28         if (id) {
  29                 name = id->name;
  30                 type = id->driver_data;
  31         }
  32
  33         return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
  34                                        true);
  35 }
  36
  37 static void bmc150_accel_remove(struct spi_device *spi)
  38 {
  39         bmc150_accel_core_remove(&spi->dev);
  40 }
  41
  42 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
  43         {"BMA0255"},
  44         {"BMA0280"},
  45         {"BMA222"},
  46         {"BMA222E"},
  47         {"BMA250E"},
  48         {"BMC150A"},
  49         {"BMI055A"},
  50         {"BSBA0150"},
  51         { },
  52 };
  53 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
  54
  55 static const struct spi_device_id bmc150_accel_id[] = {
  56         {"bma222"},
  57         {"bma222e"},
  58         {"bma250e"},
  59         {"bma253"},
  60         {"bma255"},
  61         {"bma280"},
  62         {"bmc150_accel"},
  63         {"bmc156_accel", BOSCH_BMC156},
  64         {"bmi055_accel"},
  65         {}
  66 };
  67 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
  68
  69 static struct spi_driver bmc150_accel_driver = {
  70         .driver = {
  71                 .name   = "bmc150_accel_spi",
  72                 .acpi_match_table = bmc150_accel_acpi_match,
  73                 .pm     = &bmc150_accel_pm_ops,
  74         },
  75         .probe          = bmc150_accel_probe,
  76         .remove         = bmc150_accel_remove,
  77         .id_table       = bmc150_accel_id,
  78 };
  79 module_spi_driver(bmc150_accel_driver);
  80
  81 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
  82 MODULE_LICENSE("GPL v2");
  83 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
  84 MODULE_IMPORT_NS(IIO_BMC150);