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); 85