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174 lines
3.8 KiB
174 lines
3.8 KiB
// 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 <[email protected]> |
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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/slab.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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}; |
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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_accel_common_probe(indio_dev); |
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if (err < 0) |
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return err; |
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return 0; |
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} |
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static int st_accel_spi_remove(struct spi_device *spi) |
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{ |
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st_accel_common_remove(spi_get_drvdata(spi)); |
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return 0; |
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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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{}, |
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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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.remove = st_accel_spi_remove, |
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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 <[email protected]>"); |
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MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver"); |
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MODULE_LICENSE("GPL v2");
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