Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * STMicroelectronics magnetometers driver |
| 3 | * |
| 4 | * Copyright 2012-2013 STMicroelectronics Inc. |
| 5 | * |
| 6 | * Denis Ciocca <denis.ciocca@st.com> |
| 7 | * |
| 8 | * Licensed under the GPL-2. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/spi/spi.h> |
| 15 | #include <linux/iio/iio.h> |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 16 | |
| 17 | #include <linux/iio/common/st_sensors.h> |
| 18 | #include <linux/iio/common/st_sensors_spi.h> |
| 19 | #include "st_magn.h" |
| 20 | |
| 21 | static int st_magn_spi_probe(struct spi_device *spi) |
| 22 | { |
| 23 | struct iio_dev *indio_dev; |
| 24 | struct st_sensor_data *mdata; |
| 25 | int err; |
| 26 | |
Sachin Kamat | 7fc5ad7 | 2013-08-02 11:08:00 +0100 | [diff] [blame] | 27 | indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*mdata)); |
| 28 | if (!indio_dev) |
| 29 | return -ENOMEM; |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 30 | |
| 31 | mdata = iio_priv(indio_dev); |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 32 | |
| 33 | st_sensors_spi_configure(indio_dev, spi, mdata); |
| 34 | |
Denis CIOCCA | 2109eb4 | 2014-10-03 17:35:38 +0200 | [diff] [blame] | 35 | err = st_magn_common_probe(indio_dev); |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 36 | if (err < 0) |
Sachin Kamat | 7fc5ad7 | 2013-08-02 11:08:00 +0100 | [diff] [blame] | 37 | return err; |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 38 | |
| 39 | return 0; |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | static int st_magn_spi_remove(struct spi_device *spi) |
| 43 | { |
| 44 | struct iio_dev *indio_dev = spi_get_drvdata(spi); |
| 45 | st_magn_common_remove(indio_dev); |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | static const struct spi_device_id st_magn_id_table[] = { |
| 51 | { LSM303DLHC_MAGN_DEV_NAME }, |
| 52 | { LSM303DLM_MAGN_DEV_NAME }, |
| 53 | { LIS3MDL_MAGN_DEV_NAME }, |
Giuseppe Barba | 1e9676a | 2015-07-21 10:35:45 +0200 | [diff] [blame] | 54 | { LSM303AGR_MAGN_DEV_NAME }, |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 55 | {}, |
| 56 | }; |
| 57 | MODULE_DEVICE_TABLE(spi, st_magn_id_table); |
| 58 | |
| 59 | static struct spi_driver st_magn_driver = { |
| 60 | .driver = { |
Denis Ciocca | 872e79a | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 61 | .name = "st-magn-spi", |
| 62 | }, |
| 63 | .probe = st_magn_spi_probe, |
| 64 | .remove = st_magn_spi_remove, |
| 65 | .id_table = st_magn_id_table, |
| 66 | }; |
| 67 | module_spi_driver(st_magn_driver); |
| 68 | |
| 69 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); |
| 70 | MODULE_DESCRIPTION("STMicroelectronics magnetometers spi driver"); |
| 71 | MODULE_LICENSE("GPL v2"); |