| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|
| 2 | /* |
|---|
| 3 | * Driver for NXP FXAS21002C Gyroscope - I2C |
|---|
| 4 | * |
|---|
| 5 | * Copyright (C) 2018 Linaro Ltd. |
|---|
| 6 | */ |
|---|
| 7 | |
|---|
| 8 | #include <linux/err.h> |
|---|
| 9 | #include <linux/i2c.h> |
|---|
| 10 | #include <linux/mod_devicetable.h> |
|---|
| 11 | #include <linux/module.h> |
|---|
| 12 | #include <linux/regmap.h> |
|---|
| 13 | |
|---|
| 14 | #include "fxas21002c.h" |
|---|
| 15 | |
|---|
| 16 | static const struct regmap_config fxas21002c_regmap_i2c_conf = { |
|---|
| 17 | .reg_bits = 8, |
|---|
| 18 | .val_bits = 8, |
|---|
| 19 | .max_register = FXAS21002C_REG_CTRL3, |
|---|
| 20 | }; |
|---|
| 21 | |
|---|
| 22 | static int fxas21002c_i2c_probe(struct i2c_client *i2c) |
|---|
| 23 | { |
|---|
| 24 | struct regmap *regmap; |
|---|
| 25 | |
|---|
| 26 | regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf); |
|---|
| 27 | if (IS_ERR(ptr: regmap)) { |
|---|
| 28 | dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n" , |
|---|
| 29 | PTR_ERR(regmap)); |
|---|
| 30 | return PTR_ERR(ptr: regmap); |
|---|
| 31 | } |
|---|
| 32 | |
|---|
| 33 | return fxas21002c_core_probe(dev: &i2c->dev, regmap, irq: i2c->irq, name: i2c->name); |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | static void fxas21002c_i2c_remove(struct i2c_client *i2c) |
|---|
| 37 | { |
|---|
| 38 | fxas21002c_core_remove(dev: &i2c->dev); |
|---|
| 39 | } |
|---|
| 40 | |
|---|
| 41 | static const struct i2c_device_id fxas21002c_i2c_id[] = { |
|---|
| 42 | { "fxas21002c" , 0 }, |
|---|
| 43 | { } |
|---|
| 44 | }; |
|---|
| 45 | MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id); |
|---|
| 46 | |
|---|
| 47 | static const struct of_device_id fxas21002c_i2c_of_match[] = { |
|---|
| 48 | { .compatible = "nxp,fxas21002c" , }, |
|---|
| 49 | { } |
|---|
| 50 | }; |
|---|
| 51 | MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match); |
|---|
| 52 | |
|---|
| 53 | static struct i2c_driver fxas21002c_i2c_driver = { |
|---|
| 54 | .driver = { |
|---|
| 55 | .name = "fxas21002c_i2c" , |
|---|
| 56 | .pm = pm_ptr(&fxas21002c_pm_ops), |
|---|
| 57 | .of_match_table = fxas21002c_i2c_of_match, |
|---|
| 58 | }, |
|---|
| 59 | .probe = fxas21002c_i2c_probe, |
|---|
| 60 | .remove = fxas21002c_i2c_remove, |
|---|
| 61 | .id_table = fxas21002c_i2c_id, |
|---|
| 62 | }; |
|---|
| 63 | module_i2c_driver(fxas21002c_i2c_driver); |
|---|
| 64 | |
|---|
| 65 | MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>" ); |
|---|
| 66 | MODULE_LICENSE("GPL v2" ); |
|---|
| 67 | MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver" ); |
|---|
| 68 | MODULE_IMPORT_NS(IIO_FXAS21002C); |
|---|
| 69 | |
|---|
