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/acpi.h>
  11 #include <linux/regmap.h>
  12 #include <linux/spi/spi.h>
  13
  14 #include "bmc150-accel.h"
  15
  16 static int bmc150_accel_probe(struct spi_device *spi)
  17 {
  18         struct regmap *regmap;
  19         const struct spi_device_id *id = spi_get_device_id(spi);
  20
  21         regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
  22         if (IS_ERR(regmap)) {
  23                 dev_err(&spi->dev, "Failed to initialize spi regmap\n");
  24                 return PTR_ERR(regmap);
  25         }
  26
  27         return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, id->name,
  28                                        true);
  29 }
  30
  31 static int bmc150_accel_remove(struct spi_device *spi)
  32 {
  33         return bmc150_accel_core_remove(&spi->dev);
  34 }
  35
  36 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
  37         {"BSBA0150",    bmc150},
  38         {"BMC150A",     bmc150},
  39         {"BMI055A",     bmi055},
  40         {"BMA0255",     bma255},
  41         {"BMA250E",     bma250e},
  42         {"BMA222E",     bma222e},
  43         {"BMA0280",     bma280},
  44         { },
  45 };
  46 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
  47
  48 static const struct spi_device_id bmc150_accel_id[] = {
  49         {"bmc150_accel",        bmc150},
  50         {"bmi055_accel",        bmi055},
  51         {"bma255",              bma255},
  52         {"bma250e",             bma250e},
  53         {"bma222e",             bma222e},
  54         {"bma280",              bma280},
  55         {}
  56 };
  57 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
  58
  59 static struct spi_driver bmc150_accel_driver = {
  60         .driver = {
  61                 .name   = "bmc150_accel_spi",
  62                 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
  63                 .pm     = &bmc150_accel_pm_ops,
  64         },
  65         .probe          = bmc150_accel_probe,
  66         .remove         = bmc150_accel_remove,
  67         .id_table       = bmc150_accel_id,
  68 };
  69 module_spi_driver(bmc150_accel_driver);
  70
  71 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
  72 MODULE_LICENSE("GPL v2");
  73 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");