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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ADXL345 3-Axis Digital Accelerometer I2C driver4 *5 * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>6 *7 * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or8 * 0x53 (ALT ADDRESS pin grounded)9 */10 11#include <linux/i2c.h>12#include <linux/module.h>13#include <linux/regmap.h>14 15#include "adxl345.h"16 17static const struct regmap_config adxl345_i2c_regmap_config = {18 .reg_bits = 8,19 .val_bits = 8,20};21 22static int adxl345_i2c_probe(struct i2c_client *client)23{24 struct regmap *regmap;25 26 regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);27 if (IS_ERR(regmap))28 return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");29 30 return adxl345_core_probe(&client->dev, regmap, NULL);31}32 33static const struct adxl345_chip_info adxl345_i2c_info = {34 .name = "adxl345",35 .uscale = ADXL345_USCALE,36};37 38static const struct adxl345_chip_info adxl375_i2c_info = {39 .name = "adxl375",40 .uscale = ADXL375_USCALE,41};42 43static const struct i2c_device_id adxl345_i2c_id[] = {44 { "adxl345", (kernel_ulong_t)&adxl345_i2c_info },45 { "adxl375", (kernel_ulong_t)&adxl375_i2c_info },46 { }47};48MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);49 50static const struct of_device_id adxl345_of_match[] = {51 { .compatible = "adi,adxl345", .data = &adxl345_i2c_info },52 { .compatible = "adi,adxl375", .data = &adxl375_i2c_info },53 { }54};55MODULE_DEVICE_TABLE(of, adxl345_of_match);56 57static const struct acpi_device_id adxl345_acpi_match[] = {58 { "ADS0345", (kernel_ulong_t)&adxl345_i2c_info },59 { }60};61MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);62 63static struct i2c_driver adxl345_i2c_driver = {64 .driver = {65 .name = "adxl345_i2c",66 .of_match_table = adxl345_of_match,67 .acpi_match_table = adxl345_acpi_match,68 },69 .probe = adxl345_i2c_probe,70 .id_table = adxl345_i2c_id,71};72module_i2c_driver(adxl345_i2c_driver);73 74MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");75MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");76MODULE_LICENSE("GPL v2");77MODULE_IMPORT_NS(IIO_ADXL345);78