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

   1/*
   2 * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
   3 * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19#include <linux/device.h>
  20#include <linux/mod_devicetable.h>
  21#include <linux/module.h>
  22#include <linux/acpi.h>
  23#include <linux/regmap.h>
  24#include <linux/spi/spi.h>
  25
  26#include "bmc150-accel.h"
  27
  28static int bmc150_accel_probe(struct spi_device *spi)
  29{
  30        struct regmap *regmap;
  31        const struct spi_device_id *id = spi_get_device_id(spi);
  32
  33        regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
  34        if (IS_ERR(regmap)) {
  35                dev_err(&spi->dev, "Failed to initialize spi regmap\n");
  36                return PTR_ERR(regmap);
  37        }
  38
  39        return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, id->name,
  40                                       true);
  41}
  42
  43static int bmc150_accel_remove(struct spi_device *spi)
  44{
  45        return bmc150_accel_core_remove(&spi->dev);
  46}
  47
  48static const struct acpi_device_id bmc150_accel_acpi_match[] = {
  49        {"BSBA0150",    bmc150},
  50        {"BMC150A",     bmc150},
  51        {"BMI055A",     bmi055},
  52        {"BMA0255",     bma255},
  53        {"BMA250E",     bma250e},
  54        {"BMA222E",     bma222e},
  55        {"BMA0280",     bma280},
  56        { },
  57};
  58MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
  59
  60static const struct spi_device_id bmc150_accel_id[] = {
  61        {"bmc150_accel",        bmc150},
  62        {"bmi055_accel",        bmi055},
  63        {"bma255",              bma255},
  64        {"bma250e",             bma250e},
  65        {"bma222e",             bma222e},
  66        {"bma280",              bma280},
  67        {}
  68};
  69MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
  70
  71static struct spi_driver bmc150_accel_driver = {
  72        .driver = {
  73                .name   = "bmc150_accel_spi",
  74                .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
  75                .pm     = &bmc150_accel_pm_ops,
  76        },
  77        .probe          = bmc150_accel_probe,
  78        .remove         = bmc150_accel_remove,
  79        .id_table       = bmc150_accel_id,
  80};
  81module_spi_driver(bmc150_accel_driver);
  82
  83MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
  84MODULE_LICENSE("GPL v2");
  85MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
  86