1 // SPDX-License-Identifier: GPL-2.0-only
3 * STMicroelectronics pressures driver
5 * Copyright 2013 STMicroelectronics Inc.
7 * Denis Ciocca <denis.ciocca@st.com>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/slab.h>
13 #include <linux/spi/spi.h>
14 #include <linux/iio/iio.h>
16 #include <linux/iio/common/st_sensors.h>
17 #include <linux/iio/common/st_sensors_spi.h>
18 #include "st_pressure.h"
22 * For new single-chip sensors use <device_name> as compatible string.
23 * For old single-chip devices keep <device_name>-press to maintain
26 static const struct of_device_id st_press_of_match[] = {
28 .compatible = "st,lps001wp-press",
29 .data = LPS001WP_PRESS_DEV_NAME,
32 .compatible = "st,lps25h-press",
33 .data = LPS25H_PRESS_DEV_NAME,
36 .compatible = "st,lps331ap-press",
37 .data = LPS331AP_PRESS_DEV_NAME,
40 .compatible = "st,lps22hb-press",
41 .data = LPS22HB_PRESS_DEV_NAME,
44 .compatible = "st,lps33hw",
45 .data = LPS33HW_PRESS_DEV_NAME,
48 .compatible = "st,lps35hw",
49 .data = LPS35HW_PRESS_DEV_NAME,
52 .compatible = "st,lps22hh",
53 .data = LPS22HH_PRESS_DEV_NAME,
57 MODULE_DEVICE_TABLE(of, st_press_of_match);
59 #define st_press_of_match NULL
62 static int st_press_spi_probe(struct spi_device *spi)
64 const struct st_sensor_settings *settings;
65 struct st_sensor_data *press_data;
66 struct iio_dev *indio_dev;
69 st_sensors_of_name_probe(&spi->dev, st_press_of_match,
70 spi->modalias, sizeof(spi->modalias));
72 settings = st_press_get_settings(spi->modalias);
74 dev_err(&spi->dev, "device name %s not recognized.\n",
79 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*press_data));
83 press_data = iio_priv(indio_dev);
84 press_data->sensor_settings = (struct st_sensor_settings *)settings;
86 err = st_sensors_spi_configure(indio_dev, spi);
90 err = st_press_common_probe(indio_dev);
97 static int st_press_spi_remove(struct spi_device *spi)
99 st_press_common_remove(spi_get_drvdata(spi));
104 static const struct spi_device_id st_press_id_table[] = {
105 { LPS001WP_PRESS_DEV_NAME },
106 { LPS25H_PRESS_DEV_NAME },
107 { LPS331AP_PRESS_DEV_NAME },
108 { LPS22HB_PRESS_DEV_NAME },
109 { LPS33HW_PRESS_DEV_NAME },
110 { LPS35HW_PRESS_DEV_NAME },
111 { LPS22HH_PRESS_DEV_NAME },
114 MODULE_DEVICE_TABLE(spi, st_press_id_table);
116 static struct spi_driver st_press_driver = {
118 .name = "st-press-spi",
119 .of_match_table = of_match_ptr(st_press_of_match),
121 .probe = st_press_spi_probe,
122 .remove = st_press_spi_remove,
123 .id_table = st_press_id_table,
125 module_spi_driver(st_press_driver);
127 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
128 MODULE_DESCRIPTION("STMicroelectronics pressures spi driver");
129 MODULE_LICENSE("GPL v2");