1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * STMicroelectronics accelerometers driver
4 *
5 * Copyright 2012-2013 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_i2c.h>
17#include "st_accel.h"
18
19static const struct of_device_id st_accel_of_match[] = {
20	{
21		/* An older compatible */
22		.compatible = "st,lis3lv02d",
23		.data = LIS3LV02DL_ACCEL_DEV_NAME,
24	},
25	{
26		.compatible = "st,lis3lv02dl-accel",
27		.data = LIS3LV02DL_ACCEL_DEV_NAME,
28	},
29	{
30		.compatible = "st,lsm303dlh-accel",
31		.data = LSM303DLH_ACCEL_DEV_NAME,
32	},
33	{
34		.compatible = "st,lsm303dlhc-accel",
35		.data = LSM303DLHC_ACCEL_DEV_NAME,
36	},
37	{
38		.compatible = "st,lis3dh-accel",
39		.data = LIS3DH_ACCEL_DEV_NAME,
40	},
41	{
42		.compatible = "st,lsm330d-accel",
43		.data = LSM330D_ACCEL_DEV_NAME,
44	},
45	{
46		.compatible = "st,lsm330dl-accel",
47		.data = LSM330DL_ACCEL_DEV_NAME,
48	},
49	{
50		.compatible = "st,lsm330dlc-accel",
51		.data = LSM330DLC_ACCEL_DEV_NAME,
52	},
53	{
54		.compatible = "st,lis331dl-accel",
55		.data = LIS331DL_ACCEL_DEV_NAME,
56	},
57	{
58		.compatible = "st,lis331dlh-accel",
59		.data = LIS331DLH_ACCEL_DEV_NAME,
60	},
61	{
62		.compatible = "st,lsm303dl-accel",
63		.data = LSM303DL_ACCEL_DEV_NAME,
64	},
65	{
66		.compatible = "st,lsm303dlm-accel",
67		.data = LSM303DLM_ACCEL_DEV_NAME,
68	},
69	{
70		.compatible = "st,lsm330-accel",
71		.data = LSM330_ACCEL_DEV_NAME,
72	},
73	{
74		.compatible = "st,lsm303agr-accel",
75		.data = LSM303AGR_ACCEL_DEV_NAME,
76	},
77	{
78		.compatible = "st,lis2dh12-accel",
79		.data = LIS2DH12_ACCEL_DEV_NAME,
80	},
81	{
82		.compatible = "st,h3lis331dl-accel",
83		.data = H3LIS331DL_ACCEL_DEV_NAME,
84	},
85	{
86		.compatible = "st,lis3l02dq",
87		.data = LIS3L02DQ_ACCEL_DEV_NAME,
88	},
89	{
90		.compatible = "st,lng2dm-accel",
91		.data = LNG2DM_ACCEL_DEV_NAME,
92	},
93	{
94		.compatible = "st,lis2dw12",
95		.data = LIS2DW12_ACCEL_DEV_NAME,
96	},
97	{
98		.compatible = "st,lis3de",
99		.data = LIS3DE_ACCEL_DEV_NAME,
100	},
101	{
102		.compatible = "st,lis2de12",
103		.data = LIS2DE12_ACCEL_DEV_NAME,
104	},
105	{
106		.compatible = "st,lis2hh12",
107		.data = LIS2HH12_ACCEL_DEV_NAME,
108	},
109	{
110		.compatible = "st,lis302dl",
111		.data = LIS302DL_ACCEL_DEV_NAME,
112	},
113	{
114		.compatible = "st,lsm303c-accel",
115		.data = LSM303C_ACCEL_DEV_NAME,
116	},
117	{
118		.compatible = "silan,sc7a20",
119		.data = SC7A20_ACCEL_DEV_NAME,
120	},
121	{
122		.compatible = "st,iis328dq",
123		.data = IIS328DQ_ACCEL_DEV_NAME,
124	},
125	{},
126};
127MODULE_DEVICE_TABLE(of, st_accel_of_match);
128
129static const struct acpi_device_id st_accel_acpi_match[] = {
130	{"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME},
131	{"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
132	{ },
133};
134MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
135
136static const struct i2c_device_id st_accel_id_table[] = {
137	{ LSM303DLH_ACCEL_DEV_NAME },
138	{ LSM303DLHC_ACCEL_DEV_NAME },
139	{ LIS3DH_ACCEL_DEV_NAME },
140	{ LSM330D_ACCEL_DEV_NAME },
141	{ LSM330DL_ACCEL_DEV_NAME },
142	{ LSM330DLC_ACCEL_DEV_NAME },
143	{ LIS331DLH_ACCEL_DEV_NAME },
144	{ LSM303DL_ACCEL_DEV_NAME },
145	{ LSM303DLM_ACCEL_DEV_NAME },
146	{ LSM330_ACCEL_DEV_NAME },
147	{ LSM303AGR_ACCEL_DEV_NAME },
148	{ LIS2DH12_ACCEL_DEV_NAME },
149	{ LIS3L02DQ_ACCEL_DEV_NAME },
150	{ LNG2DM_ACCEL_DEV_NAME },
151	{ H3LIS331DL_ACCEL_DEV_NAME },
152	{ LIS331DL_ACCEL_DEV_NAME },
153	{ LIS3LV02DL_ACCEL_DEV_NAME },
154	{ LIS2DW12_ACCEL_DEV_NAME },
155	{ LIS3DE_ACCEL_DEV_NAME },
156	{ LIS2DE12_ACCEL_DEV_NAME },
157	{ LIS2HH12_ACCEL_DEV_NAME },
158	{ LIS302DL_ACCEL_DEV_NAME },
159	{ LSM303C_ACCEL_DEV_NAME },
160	{ SC7A20_ACCEL_DEV_NAME },
161	{ IIS328DQ_ACCEL_DEV_NAME },
162	{},
163};
164MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
165
166static int st_accel_i2c_probe(struct i2c_client *client)
167{
168	const struct st_sensor_settings *settings;
169	struct st_sensor_data *adata;
170	struct iio_dev *indio_dev;
171	int ret;
172
173	st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
174
175	settings = st_accel_get_settings(client->name);
176	if (!settings) {
177		dev_err(&client->dev, "device name %s not recognized.\n",
178			client->name);
179		return -ENODEV;
180	}
181
182	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
183	if (!indio_dev)
184		return -ENOMEM;
185
186	adata = iio_priv(indio_dev);
187	adata->sensor_settings = (struct st_sensor_settings *)settings;
188
189	ret = st_sensors_i2c_configure(indio_dev, client);
190	if (ret < 0)
191		return ret;
192
193	ret = st_sensors_power_enable(indio_dev);
194	if (ret)
195		return ret;
196
197	return st_accel_common_probe(indio_dev);
198}
199
200static struct i2c_driver st_accel_driver = {
201	.driver = {
202		.name = "st-accel-i2c",
203		.of_match_table = st_accel_of_match,
204		.acpi_match_table = st_accel_acpi_match,
205	},
206	.probe = st_accel_i2c_probe,
207	.id_table = st_accel_id_table,
208};
209module_i2c_driver(st_accel_driver);
210
211MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
212MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
213MODULE_LICENSE("GPL v2");
214MODULE_IMPORT_NS(IIO_ST_SENSORS);
215