drivers/iio/imu/bmi160/bmi160_spi.c

Source file repositories/reference/linux-study-clean/drivers/iio/imu/bmi160/bmi160_spi.c

File Facts

System
Linux kernel
Corpus path
drivers/iio/imu/bmi160/bmi160_spi.c
Extension
.c
Size
1678 bytes
Lines
74
Domain
Driver Families
Bucket
drivers/iio
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * BMI160 - Bosch IMU, SPI bits
 *
 * Copyright (c) 2016, Intel Corporation.
 *
 */
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>

#include "bmi160.h"

static int bmi160_spi_probe(struct spi_device *spi)
{
	struct regmap *regmap;
	const struct spi_device_id *id = spi_get_device_id(spi);
	const char *name;

	regmap = devm_regmap_init_spi(spi, &bmi160_regmap_config);
	if (IS_ERR(regmap)) {
		dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
			regmap);
		return PTR_ERR(regmap);
	}

	if (id)
		name = id->name;
	else
		name = dev_name(&spi->dev);

	return bmi160_core_probe(&spi->dev, regmap, name, true);
}

static const struct spi_device_id bmi160_spi_id[] = {
	{"bmi120", 0},
	{"bmi160", 0},
	{ }
};
MODULE_DEVICE_TABLE(spi, bmi160_spi_id);

static const struct acpi_device_id bmi160_acpi_match[] = {
	{"BMI0120", 0},
	{"BMI0160", 0},
	{ }
};
MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);

static const struct of_device_id bmi160_of_match[] = {
	{ .compatible = "bosch,bmi120" },
	{ .compatible = "bosch,bmi160" },
	{ }
};
MODULE_DEVICE_TABLE(of, bmi160_of_match);

static struct spi_driver bmi160_spi_driver = {
	.probe		= bmi160_spi_probe,
	.id_table	= bmi160_spi_id,
	.driver = {
		.acpi_match_table	= bmi160_acpi_match,
		.of_match_table		= bmi160_of_match,
		.name			= "bmi160_spi",
		.pm			= pm_ptr(&bmi160_core_pm_ops),
	},
};
module_spi_driver(bmi160_spi_driver);

MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
MODULE_DESCRIPTION("Bosch BMI160 SPI driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS("IIO_BMI160");

Annotation

Implementation Notes