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 return bmc150_accel_core_remove(&spi->dev); 41 } 42 43 static const struct acpi_device_id bmc150_accel_acpi_match[] = { 44 {"BMA0255"}, 45 {"BMA0280"}, 46 {"BMA222"}, 47 {"BMA222E"}, 48 {"BMA250E"}, 49 {"BMC150A"}, 50 {"BMI055A"}, 51 {"BSBA0150"}, 52 { }, 53 }; 54 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match); 55 56 static const struct spi_device_id bmc150_accel_id[] = { 57 {"bma222"}, 58 {"bma222e"}, 59 {"bma250e"}, 60 {"bma253"}, 61 {"bma255"}, 62 {"bma280"}, 63 {"bmc150_accel"}, 64 {"bmc156_accel", BOSCH_BMC156}, 65 {"bmi055_accel"}, 66 {} 67 }; 68 MODULE_DEVICE_TABLE(spi, bmc150_accel_id); 69 70 static struct spi_driver bmc150_accel_driver = { 71 .driver = { 72 .name = "bmc150_accel_spi", 73 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match), 74 .pm = &bmc150_accel_pm_ops, 75 }, 76 .probe = bmc150_accel_probe, 77 .remove = bmc150_accel_remove, 78 .id_table = bmc150_accel_id, 79 }; 80 module_spi_driver(bmc150_accel_driver); 81 82 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>"); 83 MODULE_LICENSE("GPL v2"); 84 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver"); 85