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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bmc150-accel-spi.c (2009B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
      4 * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
      5 */
      6
      7#include <linux/device.h>
      8#include <linux/mod_devicetable.h>
      9#include <linux/module.h>
     10#include <linux/acpi.h>
     11#include <linux/regmap.h>
     12#include <linux/spi/spi.h>
     13
     14#include "bmc150-accel.h"
     15
     16static int bmc150_accel_probe(struct spi_device *spi)
     17{
     18	struct regmap *regmap;
     19	const char *name = NULL;
     20	enum bmc150_type type = BOSCH_UNKNOWN;
     21	const struct spi_device_id *id = spi_get_device_id(spi);
     22
     23	regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
     24	if (IS_ERR(regmap)) {
     25		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
     26		return PTR_ERR(regmap);
     27	}
     28
     29	if (id) {
     30		name = id->name;
     31		type = id->driver_data;
     32	}
     33
     34	return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
     35				       true);
     36}
     37
     38static void bmc150_accel_remove(struct spi_device *spi)
     39{
     40	bmc150_accel_core_remove(&spi->dev);
     41}
     42
     43static const struct acpi_device_id bmc150_accel_acpi_match[] = {
     44	{"BMA0255"},
     45	{"BMA0280"},
     46	{"BMA222"},
     47	{"BMA222E"},
     48	{"BMA250E"},
     49	{"BMC150A"},
     50	{"BMI055A"},
     51	{"BSBA0150"},
     52	{ },
     53};
     54MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
     55
     56static const struct spi_device_id bmc150_accel_id[] = {
     57	{"bma222"},
     58	{"bma222e"},
     59	{"bma250e"},
     60	{"bma253"},
     61	{"bma255"},
     62	{"bma280"},
     63	{"bmc150_accel"},
     64	{"bmc156_accel", BOSCH_BMC156},
     65	{"bmi055_accel"},
     66	{}
     67};
     68MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
     69
     70static struct spi_driver bmc150_accel_driver = {
     71	.driver = {
     72		.name	= "bmc150_accel_spi",
     73		.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
     74		.pm	= &bmc150_accel_pm_ops,
     75	},
     76	.probe		= bmc150_accel_probe,
     77	.remove		= bmc150_accel_remove,
     78	.id_table	= bmc150_accel_id,
     79};
     80module_spi_driver(bmc150_accel_driver);
     81
     82MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
     83MODULE_LICENSE("GPL v2");
     84MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
     85MODULE_IMPORT_NS(IIO_BMC150);