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);
125