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 char *name = NULL;
  20         enum bmc150_type type = BOSCH_UNKNOWN;
  21         const struct spi_device_id *id = spi_get_device_id(spi);
  22
  23         regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
  24         if (IS_ERR(regmap)) {
  25                 dev_err(&spi->dev, "Failed to initialize spi regmap\n");
  26                 return PTR_ERR(regmap);
  27         }
  28
  29         if (id) {
  30                 name = id->name;
  31                 type = id->driver_data;
  32         }
  33
  34         return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
  35                                        true);
  36 }
  37
  38 static int bmc150_accel_remove(struct spi_device *spi)
  39 {
  40         bmc150_accel_core_remove(&spi->dev);
  41
  42         return 0;
  43 }
  44
  45 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
  46         {"BMA0255"},
  47         {"BMA0280"},
  48         {"BMA222"},
  49         {"BMA222E"},
  50         {"BMA250E"},
  51         {"BMC150A"},
  52         {"BMI055A"},
  53         {"BSBA0150"},
  54         { },
  55 };
  56 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
  57
  58 static const struct spi_device_id bmc150_accel_id[] = {
  59         {"bma222"},
  60         {"bma222e"},
  61         {"bma250e"},
  62         {"bma253"},
  63         {"bma255"},
  64         {"bma280"},
  65         {"bmc150_accel"},
  66         {"bmc156_accel", BOSCH_BMC156},
  67         {"bmi055_accel"},
  68         {}
  69 };
  70 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
  71
  72 static struct spi_driver bmc150_accel_driver = {
  73         .driver = {
  74                 .name   = "bmc150_accel_spi",
  75                 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
  76                 .pm     = &bmc150_accel_pm_ops,
  77         },
  78         .probe          = bmc150_accel_probe,
  79         .remove         = bmc150_accel_remove,
  80         .id_table       = bmc150_accel_id,
  81 };
  82 module_spi_driver(bmc150_accel_driver);
  83
  84 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
  85 MODULE_LICENSE("GPL v2");
  86 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");