projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 5170512c ERR |
1 | /* |
| 2 | * ADXL345 3-Axis Digital Accelerometer I2C driver | |
| 3 | * | |
| 4 | * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com> | |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of version 2 of | |
| 7 | * the GNU General Public License. See the file COPYING in the main | |
| 8 | * directory of this archive for more details. | |
| 9 | * | |
| 10 | * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or | |
| 11 | * 0x53 (ALT ADDRESS pin grounded) | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/i2c.h> | |
| 15 | #include <linux/module.h> | |
| 16 | #include <linux/regmap.h> | |
| 17 | ||
| 18 | #include "adxl345.h" | |
| 19 | ||
| 20 | static const struct regmap_config adxl345_i2c_regmap_config = { | |
| 21 | .reg_bits = 8, | |
| 22 | .val_bits = 8, | |
| 23 | }; | |
| 24 | ||
| 25 | static int adxl345_i2c_probe(struct i2c_client *client, | |
| 26 | const struct i2c_device_id *id) | |
| 27 | { | |
| 28 | struct regmap *regmap; | |
| 29 | ||
| 30 | regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config); | |
| 31 | if (IS_ERR(regmap)) { | |
| 32 | dev_err(&client->dev, "Error initializing i2c regmap: %ld\n", | |
| 33 | PTR_ERR(regmap)); | |
| 34 | return PTR_ERR(regmap); | |
| 35 | } | |
| 36 | ||
| ef89f4b9 LPC |
37 | return adxl345_core_probe(&client->dev, regmap, id->driver_data, |
| 38 | id ? id->name : NULL); | |
| 5170512c ERR |
39 | } |
| 40 | ||
| 41 | static int adxl345_i2c_remove(struct i2c_client *client) | |
| 42 | { | |
| 43 | return adxl345_core_remove(&client->dev); | |
| 44 | } | |
| 45 | ||
| 46 | static const struct i2c_device_id adxl345_i2c_id[] = { | |
| ef89f4b9 LPC |
47 | { "adxl345", ADXL345 }, |
| 48 | { "adxl375", ADXL375 }, | |
| 5170512c ERR |
49 | { } |
| 50 | }; | |
| 51 | ||
| 52 | MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id); | |
| 53 | ||
| 54 | static const struct of_device_id adxl345_of_match[] = { | |
| 55 | { .compatible = "adi,adxl345" }, | |
| ef89f4b9 | 56 | { .compatible = "adi,adxl375" }, |
| 5170512c ERR |
57 | { }, |
| 58 | }; | |
| 59 | ||
| 60 | MODULE_DEVICE_TABLE(of, adxl345_of_match); | |
| 61 | ||
| 62 | static struct i2c_driver adxl345_i2c_driver = { | |
| 63 | .driver = { | |
| 64 | .name = "adxl345_i2c", | |
| 65 | .of_match_table = adxl345_of_match, | |
| 66 | }, | |
| 67 | .probe = adxl345_i2c_probe, | |
| 68 | .remove = adxl345_i2c_remove, | |
| 69 | .id_table = adxl345_i2c_id, | |
| 70 | }; | |
| 71 | ||
| 72 | module_i2c_driver(adxl345_i2c_driver); | |
| 73 | ||
| 74 | MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>"); | |
| 75 | MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver"); | |
| 76 | MODULE_LICENSE("GPL v2"); |