drivers/iio/accel/adxl372_spi.c
Source file repositories/reference/linux-study-clean/drivers/iio/accel/adxl372_spi.c
File Facts
- System
- Linux kernel
- Corpus path
drivers/iio/accel/adxl372_spi.c- Extension
.c- Size
- 1757 bytes
- Lines
- 67
- 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.
- 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.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/module.hlinux/mod_devicetable.hlinux/regmap.hlinux/spi/spi.hadxl372.h
Detected Declarations
function adxl372_spi_probe
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0+
/*
* ADXL371/ADXL372 3-Axis Digital Accelerometer SPI driver
*
* Copyright 2018 Analog Devices Inc.
*/
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include "adxl372.h"
static const struct regmap_config adxl372_spi_regmap_config = {
.reg_bits = 7,
.pad_bits = 1,
.val_bits = 8,
.read_flag_mask = BIT(0),
.readable_noinc_reg = adxl372_readable_noinc_reg,
};
static int adxl372_spi_probe(struct spi_device *spi)
{
const struct adxl372_chip_info *chip_info;
struct regmap *regmap;
chip_info = spi_get_device_match_data(spi);
regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return adxl372_probe(&spi->dev, regmap, spi->irq, chip_info);
}
static const struct spi_device_id adxl372_spi_id[] = {
{ "adxl371", (kernel_ulong_t)&adxl371_chip_info },
{ "adxl372", (kernel_ulong_t)&adxl372_chip_info },
{ }
};
MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
static const struct of_device_id adxl372_of_match[] = {
{ .compatible = "adi,adxl371", .data = &adxl371_chip_info },
{ .compatible = "adi,adxl372", .data = &adxl372_chip_info },
{ }
};
MODULE_DEVICE_TABLE(of, adxl372_of_match);
static struct spi_driver adxl372_spi_driver = {
.driver = {
.name = "adxl372_spi",
.of_match_table = adxl372_of_match,
},
.probe = adxl372_spi_probe,
.id_table = adxl372_spi_id,
};
module_spi_driver(adxl372_spi_driver);
MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com>");
MODULE_DESCRIPTION("Analog Devices ADXL371/ADXL372 3-axis accelerometer SPI driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("IIO_ADXL372");
Annotation
- Immediate include surface: `linux/module.h`, `linux/mod_devicetable.h`, `linux/regmap.h`, `linux/spi/spi.h`, `adxl372.h`.
- Detected declarations: `function adxl372_spi_probe`.
- Atlas domain: Driver Families / drivers/iio.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.