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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ADXL355 3-Axis Digital Accelerometer I2C driver4 *5 * Copyright (c) 2021 Puranjay Mohan <puranjay12@gmail.com>6 */7 8#include <linux/i2c.h>9#include <linux/module.h>10#include <linux/mod_devicetable.h>11#include <linux/regmap.h>12 13#include "adxl355.h"14 15static const struct regmap_config adxl355_i2c_regmap_config = {16 .reg_bits = 8,17 .val_bits = 8,18 .max_register = 0x2F,19 .rd_table = &adxl355_readable_regs_tbl,20 .wr_table = &adxl355_writeable_regs_tbl,21};22 23static int adxl355_i2c_probe(struct i2c_client *client)24{25 struct regmap *regmap;26 const struct adxl355_chip_info *chip_data;27 28 chip_data = i2c_get_match_data(client);29 if (!chip_data)30 return -ENODEV;31 32 regmap = devm_regmap_init_i2c(client, &adxl355_i2c_regmap_config);33 if (IS_ERR(regmap)) {34 dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",35 PTR_ERR(regmap));36 37 return PTR_ERR(regmap);38 }39 40 return adxl355_core_probe(&client->dev, regmap, chip_data);41}42 43static const struct i2c_device_id adxl355_i2c_id[] = {44 { "adxl355", (kernel_ulong_t)&adxl35x_chip_info[ADXL355] },45 { "adxl359", (kernel_ulong_t)&adxl35x_chip_info[ADXL359] },46 { }47};48MODULE_DEVICE_TABLE(i2c, adxl355_i2c_id);49 50static const struct of_device_id adxl355_of_match[] = {51 { .compatible = "adi,adxl355", .data = &adxl35x_chip_info[ADXL355] },52 { .compatible = "adi,adxl359", .data = &adxl35x_chip_info[ADXL359] },53 { }54};55MODULE_DEVICE_TABLE(of, adxl355_of_match);56 57static struct i2c_driver adxl355_i2c_driver = {58 .driver = {59 .name = "adxl355_i2c",60 .of_match_table = adxl355_of_match,61 },62 .probe = adxl355_i2c_probe,63 .id_table = adxl355_i2c_id,64};65module_i2c_driver(adxl355_i2c_driver);66 67MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");68MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer I2C driver");69MODULE_LICENSE("GPL v2");70MODULE_IMPORT_NS(IIO_ADXL355);71