cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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adxl355_spi.c (1629B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * ADXL355 3-Axis Digital Accelerometer SPI driver
      4 *
      5 * Copyright (c) 2021 Puranjay Mohan <puranjay12@gmail.com>
      6 */
      7
      8#include <linux/module.h>
      9#include <linux/mod_devicetable.h>
     10#include <linux/regmap.h>
     11#include <linux/spi/spi.h>
     12
     13#include "adxl355.h"
     14
     15static const struct regmap_config adxl355_spi_regmap_config = {
     16	.reg_bits = 7,
     17	.pad_bits = 1,
     18	.val_bits = 8,
     19	.read_flag_mask = BIT(0),
     20	.max_register = 0x2F,
     21	.rd_table = &adxl355_readable_regs_tbl,
     22	.wr_table = &adxl355_writeable_regs_tbl,
     23};
     24
     25static int adxl355_spi_probe(struct spi_device *spi)
     26{
     27	const struct spi_device_id *id = spi_get_device_id(spi);
     28	struct regmap *regmap;
     29
     30	regmap = devm_regmap_init_spi(spi, &adxl355_spi_regmap_config);
     31	if (IS_ERR(regmap)) {
     32		dev_err(&spi->dev, "Error initializing spi regmap: %ld\n",
     33			PTR_ERR(regmap));
     34
     35		return PTR_ERR(regmap);
     36	}
     37
     38	return adxl355_core_probe(&spi->dev, regmap, id->name);
     39}
     40
     41static const struct spi_device_id adxl355_spi_id[] = {
     42	{ "adxl355", 0 },
     43	{ }
     44};
     45MODULE_DEVICE_TABLE(spi, adxl355_spi_id);
     46
     47static const struct of_device_id adxl355_of_match[] = {
     48	{ .compatible = "adi,adxl355" },
     49	{ }
     50};
     51MODULE_DEVICE_TABLE(of, adxl355_of_match);
     52
     53static struct spi_driver adxl355_spi_driver = {
     54	.driver = {
     55		.name	= "adxl355_spi",
     56		.of_match_table = adxl355_of_match,
     57	},
     58	.probe		= adxl355_spi_probe,
     59	.id_table	= adxl355_spi_id,
     60};
     61module_spi_driver(adxl355_spi_driver);
     62
     63MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
     64MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer SPI driver");
     65MODULE_LICENSE("GPL v2");
     66MODULE_IMPORT_NS(IIO_ADXL355);