178 строки
4.0 KiB
C
178 строки
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* STMicroelectronics accelerometers driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <linux/spi/spi.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/common/st_sensors.h>
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#include <linux/iio/common/st_sensors_spi.h>
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#include "st_accel.h"
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/*
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* For new single-chip sensors use <device_name> as compatible string.
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* For old single-chip devices keep <device_name>-accel to maintain
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* compatibility
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*/
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static const struct of_device_id st_accel_of_match[] = {
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{
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/* An older compatible */
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.compatible = "st,lis302dl-spi",
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.data = LIS3LV02DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3lv02dl-accel",
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.data = LIS3LV02DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3dh-accel",
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.data = LIS3DH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330d-accel",
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.data = LSM330D_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330dl-accel",
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.data = LSM330DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330dlc-accel",
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.data = LSM330DLC_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis331dlh-accel",
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.data = LIS331DLH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330-accel",
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.data = LSM330_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303agr-accel",
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.data = LSM303AGR_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis2dh12-accel",
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.data = LIS2DH12_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3l02dq",
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.data = LIS3L02DQ_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lng2dm-accel",
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.data = LNG2DM_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,h3lis331dl-accel",
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.data = H3LIS331DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis331dl-accel",
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.data = LIS331DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis2dw12",
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.data = LIS2DW12_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3dhh",
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.data = LIS3DHH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3de",
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.data = LIS3DE_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis302dl",
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.data = LIS302DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303c-accel",
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.data = LSM303C_ACCEL_DEV_NAME,
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},
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{}
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};
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MODULE_DEVICE_TABLE(of, st_accel_of_match);
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static int st_accel_spi_probe(struct spi_device *spi)
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{
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const struct st_sensor_settings *settings;
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struct st_sensor_data *adata;
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struct iio_dev *indio_dev;
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int err;
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st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias));
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settings = st_accel_get_settings(spi->modalias);
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if (!settings) {
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dev_err(&spi->dev, "device name %s not recognized.\n",
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spi->modalias);
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return -ENODEV;
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}
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
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if (!indio_dev)
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return -ENOMEM;
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adata = iio_priv(indio_dev);
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adata->sensor_settings = (struct st_sensor_settings *)settings;
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err = st_sensors_spi_configure(indio_dev, spi);
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if (err < 0)
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return err;
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err = st_sensors_power_enable(indio_dev);
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if (err)
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return err;
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return st_accel_common_probe(indio_dev);
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}
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static const struct spi_device_id st_accel_id_table[] = {
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{ LIS3DH_ACCEL_DEV_NAME },
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{ LSM330D_ACCEL_DEV_NAME },
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{ LSM330DL_ACCEL_DEV_NAME },
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{ LSM330DLC_ACCEL_DEV_NAME },
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{ LIS331DLH_ACCEL_DEV_NAME },
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{ LSM330_ACCEL_DEV_NAME },
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{ LSM303AGR_ACCEL_DEV_NAME },
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{ LIS2DH12_ACCEL_DEV_NAME },
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{ LIS3L02DQ_ACCEL_DEV_NAME },
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{ LNG2DM_ACCEL_DEV_NAME },
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{ H3LIS331DL_ACCEL_DEV_NAME },
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{ LIS331DL_ACCEL_DEV_NAME },
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{ LIS3LV02DL_ACCEL_DEV_NAME },
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{ LIS2DW12_ACCEL_DEV_NAME },
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{ LIS3DHH_ACCEL_DEV_NAME },
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{ LIS3DE_ACCEL_DEV_NAME },
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{ LIS302DL_ACCEL_DEV_NAME },
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{ LSM303C_ACCEL_DEV_NAME },
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{},
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};
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MODULE_DEVICE_TABLE(spi, st_accel_id_table);
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static struct spi_driver st_accel_driver = {
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.driver = {
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.name = "st-accel-spi",
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.of_match_table = st_accel_of_match,
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},
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.probe = st_accel_spi_probe,
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.id_table = st_accel_id_table,
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};
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module_spi_driver(st_accel_driver);
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MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
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MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver");
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MODULE_LICENSE("GPL v2");
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MODULE_IMPORT_NS(IIO_ST_SENSORS);
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