1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips: 4 * - BMC150 5 * - BMI055 6 * - BMA255 7 * - BMA250E 8 * - BMA222E 9 * - BMA280 10 * 11 * Copyright (c) 2014, Intel Corporation. 12 */ 13 14 #include <linux/device.h> 15 #include <linux/mod_devicetable.h> 16 #include <linux/i2c.h> 17 #include <linux/module.h> 18 #include <linux/acpi.h> 19 #include <linux/regmap.h> 20 21 #include "bmc150-accel.h" 22 23 static int bmc150_accel_probe(struct i2c_client *client, 24 const struct i2c_device_id *id) 25 { 26 struct regmap *regmap; 27 const char *name = NULL; 28 bool block_supported = 29 i2c_check_functionality(client->adapter, I2C_FUNC_I2C) || 30 i2c_check_functionality(client->adapter, 31 I2C_FUNC_SMBUS_READ_I2C_BLOCK); 32 33 regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf); 34 if (IS_ERR(regmap)) { 35 dev_err(&client->dev, "Failed to initialize i2c regmap\n"); 36 return PTR_ERR(regmap); 37 } 38 39 if (id) 40 name = id->name; 41 42 return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name, 43 block_supported); 44 } 45 46 static int bmc150_accel_remove(struct i2c_client *client) 47 { 48 return bmc150_accel_core_remove(&client->dev); 49 } 50 51 static const struct acpi_device_id bmc150_accel_acpi_match[] = { 52 {"BSBA0150", bmc150}, 53 {"BMC150A", bmc150}, 54 {"BMI055A", bmi055}, 55 {"BMA0255", bma255}, 56 {"BMA250E", bma250e}, 57 {"BMA222E", bma222e}, 58 {"BMA0280", bma280}, 59 {"BOSC0200"}, 60 { }, 61 }; 62 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match); 63 64 static const struct i2c_device_id bmc150_accel_id[] = { 65 {"bmc150_accel", bmc150}, 66 {"bmi055_accel", bmi055}, 67 {"bma255", bma255}, 68 {"bma250e", bma250e}, 69 {"bma222e", bma222e}, 70 {"bma280", bma280}, 71 {} 72 }; 73 74 MODULE_DEVICE_TABLE(i2c, bmc150_accel_id); 75 76 static const struct of_device_id bmc150_accel_of_match[] = { 77 { .compatible = "bosch,bmc150_accel" }, 78 { .compatible = "bosch,bmi055_accel" }, 79 { .compatible = "bosch,bma255" }, 80 { .compatible = "bosch,bma250e" }, 81 { .compatible = "bosch,bma222e" }, 82 { .compatible = "bosch,bma280" }, 83 { }, 84 }; 85 MODULE_DEVICE_TABLE(of, bmc150_accel_of_match); 86 87 static struct i2c_driver bmc150_accel_driver = { 88 .driver = { 89 .name = "bmc150_accel_i2c", 90 .of_match_table = bmc150_accel_of_match, 91 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match), 92 .pm = &bmc150_accel_pm_ops, 93 }, 94 .probe = bmc150_accel_probe, 95 .remove = bmc150_accel_remove, 96 .id_table = bmc150_accel_id, 97 }; 98 module_i2c_driver(bmc150_accel_driver); 99 100 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); 101 MODULE_LICENSE("GPL v2"); 102 MODULE_DESCRIPTION("BMC150 I2C accelerometer driver"); 103