68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Driver for NXP FXAS21002C Gyroscope - I2C
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 Linaro Ltd.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/err.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/mod_devicetable.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/regmap.h>
|
||
|
|
|
||
|
|
#include "fxas21002c.h"
|
||
|
|
|
||
|
|
static const struct regmap_config fxas21002c_regmap_i2c_conf = {
|
||
|
|
.reg_bits = 8,
|
||
|
|
.val_bits = 8,
|
||
|
|
.max_register = FXAS21002C_REG_CTRL3,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int fxas21002c_i2c_probe(struct i2c_client *i2c)
|
||
|
|
{
|
||
|
|
struct regmap *regmap;
|
||
|
|
|
||
|
|
regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf);
|
||
|
|
if (IS_ERR(regmap)) {
|
||
|
|
dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n",
|
||
|
|
PTR_ERR(regmap));
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void fxas21002c_i2c_remove(struct i2c_client *i2c)
|
||
|
|
{
|
||
|
|
fxas21002c_core_remove(&i2c->dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct i2c_device_id fxas21002c_i2c_id[] = {
|
||
|
|
{ "fxas21002c", 0 },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id);
|
||
|
|
|
||
|
|
static const struct of_device_id fxas21002c_i2c_of_match[] = {
|
||
|
|
{ .compatible = "nxp,fxas21002c", },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match);
|
||
|
|
|
||
|
|
static struct i2c_driver fxas21002c_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "fxas21002c_i2c",
|
||
|
|
.pm = &fxas21002c_pm_ops,
|
||
|
|
.of_match_table = fxas21002c_i2c_of_match,
|
||
|
|
},
|
||
|
|
.probe_new = fxas21002c_i2c_probe,
|
||
|
|
.remove = fxas21002c_i2c_remove,
|
||
|
|
.id_table = fxas21002c_i2c_id,
|
||
|
|
};
|
||
|
|
module_i2c_driver(fxas21002c_i2c_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver");
|