mirror of https://gitee.com/openkylin/linux.git
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
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* Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/acpi.h>
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#include <linux/regmap.h>
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#include <linux/spi/spi.h>
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#include "bmc150-accel.h"
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static const struct regmap_config bmc150_spi_regmap_conf = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = 0x3f,
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};
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static int bmc150_accel_probe(struct spi_device *spi)
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{
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struct regmap *regmap;
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const struct spi_device_id *id = spi_get_device_id(spi);
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regmap = devm_regmap_init_spi(spi, &bmc150_spi_regmap_conf);
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if (IS_ERR(regmap)) {
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dev_err(&spi->dev, "Failed to initialize spi regmap\n");
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return PTR_ERR(regmap);
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}
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return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, id->name,
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true);
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}
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static int bmc150_accel_remove(struct spi_device *spi)
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{
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return bmc150_accel_core_remove(&spi->dev);
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}
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static const struct acpi_device_id bmc150_accel_acpi_match[] = {
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{"BSBA0150", bmc150},
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{"BMC150A", bmc150},
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{"BMI055A", bmi055},
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{"BMA0255", bma255},
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{"BMA250E", bma250e},
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{"BMA222E", bma222e},
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{"BMA0280", bma280},
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{ },
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};
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MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
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static const struct spi_device_id bmc150_accel_id[] = {
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{"bmc150_accel", bmc150},
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{"bmi055_accel", bmi055},
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{"bma255", bma255},
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{"bma250e", bma250e},
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{"bma222e", bma222e},
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{"bma280", bma280},
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{}
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};
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MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
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static struct spi_driver bmc150_accel_driver = {
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.driver = {
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.name = "bmc150_accel_spi",
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.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
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.pm = &bmc150_accel_pm_ops,
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},
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.probe = bmc150_accel_probe,
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.remove = bmc150_accel_remove,
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.id_table = bmc150_accel_id,
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};
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module_spi_driver(bmc150_accel_driver);
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MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
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