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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fxas21002c_i2c.c (1639B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Driver for NXP FXAS21002C Gyroscope - I2C
      4 *
      5 * Copyright (C) 2018 Linaro Ltd.
      6 */
      7
      8#include <linux/err.h>
      9#include <linux/i2c.h>
     10#include <linux/mod_devicetable.h>
     11#include <linux/module.h>
     12#include <linux/regmap.h>
     13
     14#include "fxas21002c.h"
     15
     16static const struct regmap_config fxas21002c_regmap_i2c_conf = {
     17	.reg_bits = 8,
     18	.val_bits = 8,
     19	.max_register = FXAS21002C_REG_CTRL3,
     20};
     21
     22static int fxas21002c_i2c_probe(struct i2c_client *i2c)
     23{
     24	struct regmap *regmap;
     25
     26	regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf);
     27	if (IS_ERR(regmap)) {
     28		dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n",
     29			PTR_ERR(regmap));
     30		return PTR_ERR(regmap);
     31	}
     32
     33	return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name);
     34}
     35
     36static int fxas21002c_i2c_remove(struct i2c_client *i2c)
     37{
     38	fxas21002c_core_remove(&i2c->dev);
     39
     40	return 0;
     41}
     42
     43static const struct i2c_device_id fxas21002c_i2c_id[] = {
     44	{ "fxas21002c", 0 },
     45	{ }
     46};
     47MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id);
     48
     49static const struct of_device_id fxas21002c_i2c_of_match[] = {
     50	{ .compatible = "nxp,fxas21002c", },
     51	{ }
     52};
     53MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match);
     54
     55static struct i2c_driver fxas21002c_i2c_driver = {
     56	.driver = {
     57		.name = "fxas21002c_i2c",
     58		.pm = &fxas21002c_pm_ops,
     59		.of_match_table = fxas21002c_i2c_of_match,
     60	},
     61	.probe_new	= fxas21002c_i2c_probe,
     62	.remove		= fxas21002c_i2c_remove,
     63	.id_table	= fxas21002c_i2c_id,
     64};
     65module_i2c_driver(fxas21002c_i2c_driver);
     66
     67MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
     68MODULE_LICENSE("GPL v2");
     69MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver");