linux-zen-server/drivers/iio/accel/bmc150-accel-spi.c

86 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
* Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
*/
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include "bmc150-accel.h"
static int bmc150_accel_probe(struct spi_device *spi)
{
struct regmap *regmap;
const char *name = NULL;
enum bmc150_type type = BOSCH_UNKNOWN;
const struct spi_device_id *id = spi_get_device_id(spi);
regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
if (IS_ERR(regmap)) {
dev_err(&spi->dev, "Failed to initialize spi regmap\n");
return PTR_ERR(regmap);
}
if (id) {
name = id->name;
type = id->driver_data;
}
return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
true);
}
static void bmc150_accel_remove(struct spi_device *spi)
{
bmc150_accel_core_remove(&spi->dev);
}
static const struct acpi_device_id bmc150_accel_acpi_match[] = {
{"BMA0255"},
{"BMA0280"},
{"BMA222"},
{"BMA222E"},
{"BMA250E"},
{"BMC150A"},
{"BMI055A"},
{"BSBA0150"},
{ },
};
MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
static const struct spi_device_id bmc150_accel_id[] = {
{"bma222"},
{"bma222e"},
{"bma250e"},
{"bma253"},
{"bma255"},
{"bma280"},
{"bmc150_accel"},
{"bmc156_accel", BOSCH_BMC156},
{"bmi055_accel"},
{}
};
MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
static struct spi_driver bmc150_accel_driver = {
.driver = {
.name = "bmc150_accel_spi",
.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
.pm = &bmc150_accel_pm_ops,
},
.probe = bmc150_accel_probe,
.remove = bmc150_accel_remove,
.id_table = bmc150_accel_id,
};
module_spi_driver(bmc150_accel_driver);
MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
MODULE_IMPORT_NS(IIO_BMC150);