iio/accel/bmc150-accel-spi.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
0004  * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
0005  */
0006
0007 #include <linux/device.h>
0008 #include <linux/mod_devicetable.h>
0009 #include <linux/module.h>
0010 #include <linux/acpi.h>
0011 #include <linux/regmap.h>
0012 #include <linux/spi/spi.h>
0013
0014 #include "bmc150-accel.h"
0015
0016 static int bmc150_accel_probe(struct spi_device *spi)
0017 {
0018     struct regmap *regmap;
0019     const char *name = NULL;
0020     enum bmc150_type type = BOSCH_UNKNOWN;
0021     const struct spi_device_id *id = spi_get_device_id(spi);
0022
0023     regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
0024     if (IS_ERR(regmap)) {
0025         dev_err(&spi->dev, "Failed to initialize spi regmap\n");
0026         return PTR_ERR(regmap);
0027     }
0028
0029     if (id) {
0030         name = id->name;
0031         type = id->driver_data;
0032     }
0033
0034     return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
0035                        true);
0036 }
0037
0038 static void bmc150_accel_remove(struct spi_device *spi)
0039 {
0040     bmc150_accel_core_remove(&spi->dev);
0041 }
0042
0043 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
0044     {"BMA0255"},
0045     {"BMA0280"},
0046     {"BMA222"},
0047     {"BMA222E"},
0048     {"BMA250E"},
0049     {"BMC150A"},
0050     {"BMI055A"},
0051     {"BSBA0150"},
0052     { },
0053 };
0054 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
0055
0056 static const struct spi_device_id bmc150_accel_id[] = {
0057     {"bma222"},
0058     {"bma222e"},
0059     {"bma250e"},
0060     {"bma253"},
0061     {"bma255"},
0062     {"bma280"},
0063     {"bmc150_accel"},
0064     {"bmc156_accel", BOSCH_BMC156},
0065     {"bmi055_accel"},
0066     {}
0067 };
0068 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
0069
0070 static struct spi_driver bmc150_accel_driver = {
0071     .driver = {
0072         .name   = "bmc150_accel_spi",
0073         .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
0074         .pm = &bmc150_accel_pm_ops,
0075     },
0076     .probe      = bmc150_accel_probe,
0077     .remove     = bmc150_accel_remove,
0078     .id_table   = bmc150_accel_id,
0079 };
0080 module_spi_driver(bmc150_accel_driver);
0081
0082 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
0083 MODULE_LICENSE("GPL v2");
0084 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
0085 MODULE_IMPORT_NS(IIO_BMC150);