58 lines · c
1// SPDX-License-Identifier: GPL-2.02/*3 * Support for I2C-interfaced Bosch BNO055 IMU.4 *5 * Copyright (C) 2021-2022 Istituto Italiano di Tecnologia6 * Electronic Design Laboratory7 * Written by Andrea Merello <andrea.merello@iit.it>8 */9 10#include <linux/i2c.h>11#include <linux/mod_devicetable.h>12#include <linux/module.h>13#include <linux/regmap.h>14 15#include "bno055.h"16 17#define BNO055_I2C_XFER_BURST_BREAK_THRESHOLD 318 19static int bno055_i2c_probe(struct i2c_client *client)20{21 struct regmap *regmap;22 23 regmap = devm_regmap_init_i2c(client, &bno055_regmap_config);24 if (IS_ERR(regmap))25 return dev_err_probe(&client->dev, PTR_ERR(regmap),26 "Unable to init register map");27 28 return bno055_probe(&client->dev, regmap,29 BNO055_I2C_XFER_BURST_BREAK_THRESHOLD, true);30}31 32static const struct i2c_device_id bno055_i2c_id[] = {33 { "bno055" },34 { }35};36MODULE_DEVICE_TABLE(i2c, bno055_i2c_id);37 38static const struct of_device_id __maybe_unused bno055_i2c_of_match[] = {39 { .compatible = "bosch,bno055" },40 { }41};42MODULE_DEVICE_TABLE(of, bno055_i2c_of_match);43 44static struct i2c_driver bno055_driver = {45 .driver = {46 .name = "bno055-i2c",47 .of_match_table = bno055_i2c_of_match,48 },49 .probe = bno055_i2c_probe,50 .id_table = bno055_i2c_id,51};52module_i2c_driver(bno055_driver);53 54MODULE_AUTHOR("Andrea Merello");55MODULE_DESCRIPTION("Bosch BNO055 I2C interface");56MODULE_IMPORT_NS(IIO_BNO055);57MODULE_LICENSE("GPL");58