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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bmg160_i2c.c (1845B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2#include <linux/i2c.h>
      3#include <linux/regmap.h>
      4#include <linux/iio/iio.h>
      5#include <linux/module.h>
      6#include <linux/acpi.h>
      7
      8#include "bmg160.h"
      9
     10static const struct regmap_config bmg160_regmap_i2c_conf = {
     11	.reg_bits = 8,
     12	.val_bits = 8,
     13	.max_register = 0x3f
     14};
     15
     16static int bmg160_i2c_probe(struct i2c_client *client,
     17			    const struct i2c_device_id *id)
     18{
     19	struct regmap *regmap;
     20	const char *name = NULL;
     21
     22	regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
     23	if (IS_ERR(regmap)) {
     24		dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
     25			regmap);
     26		return PTR_ERR(regmap);
     27	}
     28
     29	if (id)
     30		name = id->name;
     31
     32	return bmg160_core_probe(&client->dev, regmap, client->irq, name);
     33}
     34
     35static int bmg160_i2c_remove(struct i2c_client *client)
     36{
     37	bmg160_core_remove(&client->dev);
     38
     39	return 0;
     40}
     41
     42static const struct acpi_device_id bmg160_acpi_match[] = {
     43	{"BMG0160", 0},
     44	{"BMI055B", 0},
     45	{"BMI088B", 0},
     46	{},
     47};
     48
     49MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
     50
     51static const struct i2c_device_id bmg160_i2c_id[] = {
     52	{"bmg160", 0},
     53	{"bmi055_gyro", 0},
     54	{"bmi088_gyro", 0},
     55	{}
     56};
     57
     58MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
     59
     60static const struct of_device_id bmg160_of_match[] = {
     61	{ .compatible = "bosch,bmg160" },
     62	{ .compatible = "bosch,bmi055_gyro" },
     63	{ }
     64};
     65
     66MODULE_DEVICE_TABLE(of, bmg160_of_match);
     67
     68static struct i2c_driver bmg160_i2c_driver = {
     69	.driver = {
     70		.name	= "bmg160_i2c",
     71		.acpi_match_table = ACPI_PTR(bmg160_acpi_match),
     72		.of_match_table = bmg160_of_match,
     73		.pm	= &bmg160_pm_ops,
     74	},
     75	.probe		= bmg160_i2c_probe,
     76	.remove		= bmg160_i2c_remove,
     77	.id_table	= bmg160_i2c_id,
     78};
     79module_i2c_driver(bmg160_i2c_driver);
     80
     81MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
     82MODULE_LICENSE("GPL v2");
     83MODULE_DESCRIPTION("BMG160 I2C Gyro driver");