1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * ADXL355 3-Axis Digital Accelerometer I2C driver 4 * 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 15 static 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 23 static int adxl355_i2c_probe(struct i2c_client *client) 24 { 25 struct regmap *regmap; 26 27 regmap = devm_regmap_init_i2c(client, &adxl355_i2c_regmap_config); 28 if (IS_ERR(regmap)) { 29 dev_err(&client->dev, "Error initializing i2c regmap: %ld\n", 30 PTR_ERR(regmap)); 31 32 return PTR_ERR(regmap); 33 } 34 35 return adxl355_core_probe(&client->dev, regmap, client->name); 36 } 37 38 static const struct i2c_device_id adxl355_i2c_id[] = { 39 { "adxl355", 0 }, 40 { } 41 }; 42 MODULE_DEVICE_TABLE(i2c, adxl355_i2c_id); 43 44 static const struct of_device_id adxl355_of_match[] = { 45 { .compatible = "adi,adxl355" }, 46 { } 47 }; 48 MODULE_DEVICE_TABLE(of, adxl355_of_match); 49 50 static struct i2c_driver adxl355_i2c_driver = { 51 .driver = { 52 .name = "adxl355_i2c", 53 .of_match_table = adxl355_of_match, 54 }, 55 .probe_new = adxl355_i2c_probe, 56 .id_table = adxl355_i2c_id, 57 }; 58 module_i2c_driver(adxl355_i2c_driver); 59 60 MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>"); 61 MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer I2C driver"); 62 MODULE_LICENSE("GPL v2"); 63