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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fxos8700_i2c.c (1812B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * FXOS8700 - NXP IMU, I2C bits
      4 *
      5 * 7-bit I2C slave address determined by SA1 and SA0 logic level
      6 * inputs represented in the following table:
      7 *      SA1  |  SA0  |  Slave Address
      8 *      0    |  0    |  0x1E
      9 *      0    |  1    |  0x1D
     10 *      1    |  0    |  0x1C
     11 *      1    |  1    |  0x1F
     12 */
     13#include <linux/acpi.h>
     14#include <linux/i2c.h>
     15#include <linux/module.h>
     16#include <linux/mod_devicetable.h>
     17#include <linux/regmap.h>
     18
     19#include "fxos8700.h"
     20
     21static int fxos8700_i2c_probe(struct i2c_client *client,
     22			      const struct i2c_device_id *id)
     23{
     24	struct regmap *regmap;
     25	const char *name = NULL;
     26
     27	regmap = devm_regmap_init_i2c(client, &fxos8700_regmap_config);
     28	if (IS_ERR(regmap)) {
     29		dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
     30		return PTR_ERR(regmap);
     31	}
     32
     33	if (id)
     34		name = id->name;
     35
     36	return fxos8700_core_probe(&client->dev, regmap, name, false);
     37}
     38
     39static const struct i2c_device_id fxos8700_i2c_id[] = {
     40	{"fxos8700", 0},
     41	{ }
     42};
     43MODULE_DEVICE_TABLE(i2c, fxos8700_i2c_id);
     44
     45static const struct acpi_device_id fxos8700_acpi_match[] = {
     46	{"FXOS8700", 0},
     47	{ }
     48};
     49MODULE_DEVICE_TABLE(acpi, fxos8700_acpi_match);
     50
     51static const struct of_device_id fxos8700_of_match[] = {
     52	{ .compatible = "nxp,fxos8700" },
     53	{ }
     54};
     55MODULE_DEVICE_TABLE(of, fxos8700_of_match);
     56
     57static struct i2c_driver fxos8700_i2c_driver = {
     58	.driver = {
     59		.name                   = "fxos8700_i2c",
     60		.acpi_match_table       = ACPI_PTR(fxos8700_acpi_match),
     61		.of_match_table         = fxos8700_of_match,
     62	},
     63	.probe          = fxos8700_i2c_probe,
     64	.id_table       = fxos8700_i2c_id,
     65};
     66module_i2c_driver(fxos8700_i2c_driver);
     67
     68MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
     69MODULE_DESCRIPTION("FXOS8700 I2C driver");
     70MODULE_LICENSE("GPL v2");