1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * BMI160 - Bosch IMU, I2C bits 4 * 5 * Copyright (c) 2016, Intel Corporation. 6 * 7 * 7-bit I2C slave address is: 8 * - 0x68 if SDO is pulled to GND 9 * - 0x69 if SDO is pulled to VDDIO 10 */ 11 #include <linux/i2c.h> 12 #include <linux/mod_devicetable.h> 13 #include <linux/module.h> 14 #include <linux/regmap.h> 15 16 #include "bmi160.h" 17 18 static int bmi160_i2c_probe(struct i2c_client *client) 19 { 20 const struct i2c_device_id *id = i2c_client_get_device_id(client); 21 struct regmap *regmap; 22 const char *name; 23 24 regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config); 25 if (IS_ERR(regmap)) { 26 dev_err(&client->dev, "Failed to register i2c regmap: %pe\n", 27 regmap); 28 return PTR_ERR(regmap); 29 } 30 31 if (id) 32 name = id->name; 33 else 34 name = dev_name(&client->dev); 35 36 return bmi160_core_probe(&client->dev, regmap, name, false); 37 } 38 39 static const struct i2c_device_id bmi160_i2c_id[] = { 40 { "bmi120" }, 41 { "bmi160" }, 42 {} 43 }; 44 MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id); 45 46 static const struct acpi_device_id bmi160_acpi_match[] = { 47 /* 48 * FIRMWARE BUG WORKAROUND 49 * Some manufacturers like GPD, Lenovo or Aya used the incorrect 50 * ID "10EC5280" for bmi160 in their DSDT. A fixed firmware is not 51 * available as of Feb 2024 after trying to work with OEMs, and 52 * this is not expected to change anymore since at least some of 53 * the affected devices are from 2021/2022. 54 */ 55 {"10EC5280", 0}, 56 {"BMI0120", 0}, 57 {"BMI0160", 0}, 58 { }, 59 }; 60 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match); 61 62 static const struct of_device_id bmi160_of_match[] = { 63 { .compatible = "bosch,bmi120" }, 64 { .compatible = "bosch,bmi160" }, 65 { }, 66 }; 67 MODULE_DEVICE_TABLE(of, bmi160_of_match); 68 69 static struct i2c_driver bmi160_i2c_driver = { 70 .driver = { 71 .name = "bmi160_i2c", 72 .acpi_match_table = bmi160_acpi_match, 73 .of_match_table = bmi160_of_match, 74 }, 75 .probe = bmi160_i2c_probe, 76 .id_table = bmi160_i2c_id, 77 }; 78 module_i2c_driver(bmi160_i2c_driver); 79 80 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>"); 81 MODULE_DESCRIPTION("BMI160 I2C driver"); 82 MODULE_LICENSE("GPL v2"); 83 MODULE_IMPORT_NS(IIO_BMI160); 84