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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pcm186x-i2c.c (1725B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Texas Instruments PCM186x Universal Audio ADC - I2C
      4 *
      5 * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com
      6 *	Andreas Dannenberg <dannenberg@ti.com>
      7 *	Andrew F. Davis <afd@ti.com>
      8 */
      9
     10#include <linux/init.h>
     11#include <linux/module.h>
     12#include <linux/i2c.h>
     13
     14#include "pcm186x.h"
     15
     16static const struct of_device_id pcm186x_of_match[] = {
     17	{ .compatible = "ti,pcm1862", .data = (void *)PCM1862 },
     18	{ .compatible = "ti,pcm1863", .data = (void *)PCM1863 },
     19	{ .compatible = "ti,pcm1864", .data = (void *)PCM1864 },
     20	{ .compatible = "ti,pcm1865", .data = (void *)PCM1865 },
     21	{ }
     22};
     23MODULE_DEVICE_TABLE(of, pcm186x_of_match);
     24
     25static const struct i2c_device_id pcm186x_i2c_id[] = {
     26	{ "pcm1862", PCM1862 },
     27	{ "pcm1863", PCM1863 },
     28	{ "pcm1864", PCM1864 },
     29	{ "pcm1865", PCM1865 },
     30	{ }
     31};
     32MODULE_DEVICE_TABLE(i2c, pcm186x_i2c_id);
     33
     34static int pcm186x_i2c_probe(struct i2c_client *i2c)
     35{
     36	const struct i2c_device_id *id = i2c_match_id(pcm186x_i2c_id, i2c);
     37	const enum pcm186x_type type = (enum pcm186x_type)id->driver_data;
     38	int irq = i2c->irq;
     39	struct regmap *regmap;
     40
     41	regmap = devm_regmap_init_i2c(i2c, &pcm186x_regmap);
     42	if (IS_ERR(regmap))
     43		return PTR_ERR(regmap);
     44
     45	return pcm186x_probe(&i2c->dev, type, irq, regmap);
     46}
     47
     48static struct i2c_driver pcm186x_i2c_driver = {
     49	.probe_new	= pcm186x_i2c_probe,
     50	.id_table	= pcm186x_i2c_id,
     51	.driver		= {
     52		.name	= "pcm186x",
     53		.of_match_table = pcm186x_of_match,
     54	},
     55};
     56module_i2c_driver(pcm186x_i2c_driver);
     57
     58MODULE_AUTHOR("Andreas Dannenberg <dannenberg@ti.com>");
     59MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
     60MODULE_DESCRIPTION("PCM186x Universal Audio ADC I2C Interface Driver");
     61MODULE_LICENSE("GPL v2");