1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * STMicroelectronics pressures driver
  4 *
  5 * Copyright 2013 STMicroelectronics Inc.
  6 *
  7 * Denis Ciocca <denis.ciocca@st.com>
  8 */
  9
 10#include <linux/kernel.h>
 11#include <linux/module.h>
 12#include <linux/mod_devicetable.h>
 13#include <linux/i2c.h>
 14#include <linux/iio/iio.h>
 15
 16#include <linux/iio/common/st_sensors.h>
 17#include <linux/iio/common/st_sensors_i2c.h>
 18#include "st_pressure.h"
 19
 20static const struct of_device_id st_press_of_match[] = {
 21	{
 22		.compatible = "st,lps001wp-press",
 23		.data = LPS001WP_PRESS_DEV_NAME,
 24	},
 25	{
 26		.compatible = "st,lps25h-press",
 27		.data = LPS25H_PRESS_DEV_NAME,
 28	},
 29	{
 30		.compatible = "st,lps331ap-press",
 31		.data = LPS331AP_PRESS_DEV_NAME,
 32	},
 33	{
 34		.compatible = "st,lps22hb-press",
 35		.data = LPS22HB_PRESS_DEV_NAME,
 36	},
 37	{
 38		.compatible = "st,lps33hw",
 39		.data = LPS33HW_PRESS_DEV_NAME,
 40	},
 41	{
 42		.compatible = "st,lps35hw",
 43		.data = LPS35HW_PRESS_DEV_NAME,
 44	},
 45	{
 46		.compatible = "st,lps22hh",
 47		.data = LPS22HH_PRESS_DEV_NAME,
 48	},
 49	{
 50		.compatible = "st,lps22df",
 51		.data = LPS22DF_PRESS_DEV_NAME,
 52	},
 53	{},
 54};
 55MODULE_DEVICE_TABLE(of, st_press_of_match);
 56
 57static const struct acpi_device_id st_press_acpi_match[] = {
 58	{"SNO9210", LPS22HB},
 59	{ },
 60};
 61MODULE_DEVICE_TABLE(acpi, st_press_acpi_match);
 62
 63static const struct i2c_device_id st_press_id_table[] = {
 64	{ LPS001WP_PRESS_DEV_NAME, LPS001WP },
 65	{ LPS25H_PRESS_DEV_NAME,  LPS25H },
 66	{ LPS331AP_PRESS_DEV_NAME, LPS331AP },
 67	{ LPS22HB_PRESS_DEV_NAME, LPS22HB },
 68	{ LPS33HW_PRESS_DEV_NAME, LPS33HW },
 69	{ LPS35HW_PRESS_DEV_NAME, LPS35HW },
 70	{ LPS22HH_PRESS_DEV_NAME, LPS22HH },
 71	{ LPS22DF_PRESS_DEV_NAME, LPS22DF },
 72	{},
 73};
 74MODULE_DEVICE_TABLE(i2c, st_press_id_table);
 75
 76static int st_press_i2c_probe(struct i2c_client *client)
 77{
 78	const struct st_sensor_settings *settings;
 79	struct st_sensor_data *press_data;
 80	struct iio_dev *indio_dev;
 81	int ret;
 82
 83	st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
 84
 85	settings = st_press_get_settings(client->name);
 86	if (!settings) {
 87		dev_err(&client->dev, "device name %s not recognized.\n",
 88			client->name);
 89		return -ENODEV;
 90	}
 91
 92	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*press_data));
 93	if (!indio_dev)
 94		return -ENOMEM;
 95
 96	press_data = iio_priv(indio_dev);
 97	press_data->sensor_settings = (struct st_sensor_settings *)settings;
 98
 99	ret = st_sensors_i2c_configure(indio_dev, client);
100	if (ret < 0)
101		return ret;
102
103	ret = st_sensors_power_enable(indio_dev);
104	if (ret)
105		return ret;
106
107	return st_press_common_probe(indio_dev);
108}
109
110static struct i2c_driver st_press_driver = {
111	.driver = {
112		.name = "st-press-i2c",
113		.of_match_table = st_press_of_match,
114		.acpi_match_table = st_press_acpi_match,
115	},
116	.probe = st_press_i2c_probe,
117	.id_table = st_press_id_table,
118};
119module_i2c_driver(st_press_driver);
120
121MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
122MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
123MODULE_LICENSE("GPL v2");
124MODULE_IMPORT_NS(IIO_ST_SENSORS);