linux_dsm_epyc7002/drivers/iio/gyro/bmg160_i2c.c
Markus Pargmann 13426454b6 iio: bmg160: Separate i2c and core driver
This patch separates the core driver using regmap and the i2c driver
which creates the i2c regmap. Also in the Kconfig file BMG160 and
BMG160_I2C are separate now.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-31 17:04:23 +01:00

72 lines
1.5 KiB
C

#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include <linux/module.h>
#include <linux/acpi.h>
#include "bmg160.h"
static const struct regmap_config bmg160_regmap_i2c_conf = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0x3f
};
static int bmg160_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regmap *regmap;
const char *name = NULL;
regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
if (IS_ERR(regmap)) {
dev_err(&client->dev, "Failed to register i2c regmap %d\n",
(int)PTR_ERR(regmap));
return PTR_ERR(regmap);
}
if (id)
name = id->name;
return bmg160_core_probe(&client->dev, regmap, client->irq, name);
}
static int bmg160_i2c_remove(struct i2c_client *client)
{
bmg160_core_remove(&client->dev);
return 0;
}
static const struct acpi_device_id bmg160_acpi_match[] = {
{"BMG0160", 0},
{"BMI055B", 0},
{},
};
MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
static const struct i2c_device_id bmg160_i2c_id[] = {
{"bmg160", 0},
{"bmi055_gyro", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
static struct i2c_driver bmg160_i2c_driver = {
.driver = {
.name = "bmg160_i2c",
.acpi_match_table = ACPI_PTR(bmg160_acpi_match),
.pm = &bmg160_pm_ops,
},
.probe = bmg160_i2c_probe,
.remove = bmg160_i2c_remove,
.id_table = bmg160_i2c_id,
};
module_i2c_driver(bmg160_i2c_driver);
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("BMG160 I2C Gyro driver");