Thomas Gleixner | fda8d26 | 2019-05-28 09:57:06 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 2 | /* |
| 3 | * STMicroelectronics accelerometers driver |
| 4 | * |
| 5 | * Copyright 2012-2013 STMicroelectronics Inc. |
| 6 | * |
| 7 | * Denis Ciocca <denis.ciocca@st.com> |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/module.h> |
Jonathan Cameron | 9c6cd75 | 2021-06-08 18:51:49 +0100 | [diff] [blame] | 12 | #include <linux/mod_devicetable.h> |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 13 | #include <linux/spi/spi.h> |
| 14 | #include <linux/iio/iio.h> |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 15 | |
| 16 | #include <linux/iio/common/st_sensors.h> |
| 17 | #include <linux/iio/common/st_sensors_spi.h> |
| 18 | #include "st_accel.h" |
| 19 | |
Lorenzo Bianconi | ff73e86 | 2017-06-27 00:53:43 +0200 | [diff] [blame] | 20 | /* |
| 21 | * For new single-chip sensors use <device_name> as compatible string. |
| 22 | * For old single-chip devices keep <device_name>-accel to maintain |
| 23 | * compatibility |
| 24 | */ |
| 25 | static const struct of_device_id st_accel_of_match[] = { |
| 26 | { |
| 27 | /* An older compatible */ |
| 28 | .compatible = "st,lis302dl-spi", |
| 29 | .data = LIS3LV02DL_ACCEL_DEV_NAME, |
| 30 | }, |
| 31 | { |
Lorenzo Bianconi | 2b96d66 | 2017-07-08 13:00:17 +0200 | [diff] [blame] | 32 | .compatible = "st,lis3lv02dl-accel", |
| 33 | .data = LIS3LV02DL_ACCEL_DEV_NAME, |
| 34 | }, |
| 35 | { |
Lorenzo Bianconi | ff73e86 | 2017-06-27 00:53:43 +0200 | [diff] [blame] | 36 | .compatible = "st,lis3dh-accel", |
| 37 | .data = LIS3DH_ACCEL_DEV_NAME, |
| 38 | }, |
| 39 | { |
| 40 | .compatible = "st,lsm330d-accel", |
| 41 | .data = LSM330D_ACCEL_DEV_NAME, |
| 42 | }, |
| 43 | { |
| 44 | .compatible = "st,lsm330dl-accel", |
| 45 | .data = LSM330DL_ACCEL_DEV_NAME, |
| 46 | }, |
| 47 | { |
| 48 | .compatible = "st,lsm330dlc-accel", |
| 49 | .data = LSM330DLC_ACCEL_DEV_NAME, |
| 50 | }, |
| 51 | { |
| 52 | .compatible = "st,lis331dlh-accel", |
| 53 | .data = LIS331DLH_ACCEL_DEV_NAME, |
| 54 | }, |
| 55 | { |
| 56 | .compatible = "st,lsm330-accel", |
| 57 | .data = LSM330_ACCEL_DEV_NAME, |
| 58 | }, |
| 59 | { |
| 60 | .compatible = "st,lsm303agr-accel", |
| 61 | .data = LSM303AGR_ACCEL_DEV_NAME, |
| 62 | }, |
| 63 | { |
| 64 | .compatible = "st,lis2dh12-accel", |
| 65 | .data = LIS2DH12_ACCEL_DEV_NAME, |
| 66 | }, |
| 67 | { |
| 68 | .compatible = "st,lis3l02dq", |
| 69 | .data = LIS3L02DQ_ACCEL_DEV_NAME, |
| 70 | }, |
| 71 | { |
| 72 | .compatible = "st,lng2dm-accel", |
| 73 | .data = LNG2DM_ACCEL_DEV_NAME, |
| 74 | }, |
Lorenzo Bianconi | 2b96d66 | 2017-07-08 13:00:17 +0200 | [diff] [blame] | 75 | { |
| 76 | .compatible = "st,h3lis331dl-accel", |
Lorenzo Bianconi | b30f159 | 2017-07-08 13:00:18 +0200 | [diff] [blame] | 77 | .data = H3LIS331DL_ACCEL_DEV_NAME, |
Lorenzo Bianconi | 2b96d66 | 2017-07-08 13:00:17 +0200 | [diff] [blame] | 78 | }, |
| 79 | { |
| 80 | .compatible = "st,lis331dl-accel", |
| 81 | .data = LIS331DL_ACCEL_DEV_NAME, |
| 82 | }, |
Lorenzo Bianconi | f94124f | 2017-08-30 13:50:42 +0200 | [diff] [blame] | 83 | { |
| 84 | .compatible = "st,lis2dw12", |
| 85 | .data = LIS2DW12_ACCEL_DEV_NAME, |
| 86 | }, |
Lorenzo Bianconi | fea4d48 | 2017-09-17 18:17:11 +0200 | [diff] [blame] | 87 | { |
| 88 | .compatible = "st,lis3dhh", |
| 89 | .data = LIS3DHH_ACCEL_DEV_NAME, |
| 90 | }, |
Heiko Stuebner | 49b6237 | 2018-11-07 16:45:21 +0100 | [diff] [blame] | 91 | { |
| 92 | .compatible = "st,lis3de", |
| 93 | .data = LIS3DE_ACCEL_DEV_NAME, |
| 94 | }, |
Sicelo A. Mhlongo | 8a7449d | 2022-03-07 15:25:02 +0200 | [diff] [blame] | 95 | { |
| 96 | .compatible = "st,lis302dl", |
| 97 | .data = LIS302DL_ACCEL_DEV_NAME, |
| 98 | }, |
Lorenzo Bianconi | ff73e86 | 2017-06-27 00:53:43 +0200 | [diff] [blame] | 99 | {} |
| 100 | }; |
| 101 | MODULE_DEVICE_TABLE(of, st_accel_of_match); |
Lorenzo Bianconi | ff73e86 | 2017-06-27 00:53:43 +0200 | [diff] [blame] | 102 | |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 103 | static int st_accel_spi_probe(struct spi_device *spi) |
| 104 | { |
Denis Ciocca | feba6b18 | 2019-07-18 15:53:48 -0700 | [diff] [blame] | 105 | const struct st_sensor_settings *settings; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 106 | struct st_sensor_data *adata; |
Denis Ciocca | feba6b18 | 2019-07-18 15:53:48 -0700 | [diff] [blame] | 107 | struct iio_dev *indio_dev; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 108 | int err; |
| 109 | |
Andy Shevchenko | efc7898 | 2019-12-16 19:38:52 +0200 | [diff] [blame] | 110 | st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias)); |
Denis Ciocca | feba6b18 | 2019-07-18 15:53:48 -0700 | [diff] [blame] | 111 | |
| 112 | settings = st_accel_get_settings(spi->modalias); |
| 113 | if (!settings) { |
| 114 | dev_err(&spi->dev, "device name %s not recognized.\n", |
| 115 | spi->modalias); |
| 116 | return -ENODEV; |
| 117 | } |
| 118 | |
Sachin Kamat | 6b7e0a9 | 2013-07-23 07:47:00 +0100 | [diff] [blame] | 119 | indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata)); |
| 120 | if (!indio_dev) |
| 121 | return -ENOMEM; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 122 | |
| 123 | adata = iio_priv(indio_dev); |
Denis Ciocca | feba6b18 | 2019-07-18 15:53:48 -0700 | [diff] [blame] | 124 | adata->sensor_settings = (struct st_sensor_settings *)settings; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 125 | |
Denis Ciocca | 1ecd245 | 2019-07-18 15:53:52 -0700 | [diff] [blame] | 126 | err = st_sensors_spi_configure(indio_dev, spi); |
| 127 | if (err < 0) |
| 128 | return err; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 129 | |
Andy Shevchenko | 7db4f2c | 2021-04-14 22:54:51 +0300 | [diff] [blame] | 130 | err = st_sensors_power_enable(indio_dev); |
| 131 | if (err) |
Sachin Kamat | 6b7e0a9 | 2013-07-23 07:47:00 +0100 | [diff] [blame] | 132 | return err; |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 133 | |
Alexandru Ardelean | 5363c6c | 2021-08-23 14:22:02 +0300 | [diff] [blame] | 134 | return st_accel_common_probe(indio_dev); |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 135 | } |
| 136 | |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 137 | static const struct spi_device_id st_accel_id_table[] = { |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 138 | { LIS3DH_ACCEL_DEV_NAME }, |
| 139 | { LSM330D_ACCEL_DEV_NAME }, |
| 140 | { LSM330DL_ACCEL_DEV_NAME }, |
| 141 | { LSM330DLC_ACCEL_DEV_NAME }, |
| 142 | { LIS331DLH_ACCEL_DEV_NAME }, |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 143 | { LSM330_ACCEL_DEV_NAME }, |
Giuseppe Barba | ddc05fa | 2015-07-21 10:35:44 +0200 | [diff] [blame] | 144 | { LSM303AGR_ACCEL_DEV_NAME }, |
Giuseppe Barba | 34dc578 | 2015-11-12 08:36:49 +0100 | [diff] [blame] | 145 | { LIS2DH12_ACCEL_DEV_NAME }, |
Jonathan Cameron | 4e68cfb | 2016-05-22 20:39:29 +0100 | [diff] [blame] | 146 | { LIS3L02DQ_ACCEL_DEV_NAME }, |
Lorenzo Bianconi | dcdb0a7 | 2016-10-25 23:09:03 +0200 | [diff] [blame] | 147 | { LNG2DM_ACCEL_DEV_NAME }, |
Lorenzo Bianconi | b30f159 | 2017-07-08 13:00:18 +0200 | [diff] [blame] | 148 | { H3LIS331DL_ACCEL_DEV_NAME }, |
Lorenzo Bianconi | 2b96d66 | 2017-07-08 13:00:17 +0200 | [diff] [blame] | 149 | { LIS331DL_ACCEL_DEV_NAME }, |
| 150 | { LIS3LV02DL_ACCEL_DEV_NAME }, |
Lorenzo Bianconi | f94124f | 2017-08-30 13:50:42 +0200 | [diff] [blame] | 151 | { LIS2DW12_ACCEL_DEV_NAME }, |
Lorenzo Bianconi | fea4d48 | 2017-09-17 18:17:11 +0200 | [diff] [blame] | 152 | { LIS3DHH_ACCEL_DEV_NAME }, |
Heiko Stuebner | 49b6237 | 2018-11-07 16:45:21 +0100 | [diff] [blame] | 153 | { LIS3DE_ACCEL_DEV_NAME }, |
Sicelo A. Mhlongo | 8a7449d | 2022-03-07 15:25:02 +0200 | [diff] [blame] | 154 | { LIS302DL_ACCEL_DEV_NAME }, |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 155 | {}, |
| 156 | }; |
| 157 | MODULE_DEVICE_TABLE(spi, st_accel_id_table); |
| 158 | |
| 159 | static struct spi_driver st_accel_driver = { |
| 160 | .driver = { |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 161 | .name = "st-accel-spi", |
Andy Shevchenko | ecb27c5 | 2019-12-16 19:38:53 +0200 | [diff] [blame] | 162 | .of_match_table = st_accel_of_match, |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 163 | }, |
| 164 | .probe = st_accel_spi_probe, |
Denis Ciocca | d625116 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 165 | .id_table = st_accel_id_table, |
| 166 | }; |
| 167 | module_spi_driver(st_accel_driver); |
| 168 | |
| 169 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); |
| 170 | MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver"); |
| 171 | MODULE_LICENSE("GPL v2"); |
Jonathan Cameron | 0805b51 | 2022-01-16 18:05:35 +0000 | [diff] [blame] | 172 | MODULE_IMPORT_NS(IIO_ST_SENSORS); |