diff options
Diffstat (limited to 'drivers/iio/magnetometer/st_magn_spi.c')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_spi.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c index f3cb4dc05391..7b7cd08fcc32 100644 --- a/drivers/iio/magnetometer/st_magn_spi.c +++ b/drivers/iio/magnetometer/st_magn_spi.c @@ -18,6 +18,32 @@ #include <linux/iio/common/st_sensors_spi.h> #include "st_magn.h" +#ifdef CONFIG_OF +/* + * For new single-chip sensors use <device_name> as compatible string. + * For old single-chip devices keep <device_name>-magn to maintain + * compatibility + */ +static const struct of_device_id st_magn_of_match[] = { + { + .compatible = "st,lis3mdl-magn", + .data = LIS3MDL_MAGN_DEV_NAME, + }, + { + .compatible = "st,lsm303agr-magn", + .data = LSM303AGR_MAGN_DEV_NAME, + }, + { + .compatible = "st,lis2mdl", + .data = LIS2MDL_MAGN_DEV_NAME, + }, + {} +}; +MODULE_DEVICE_TABLE(of, st_magn_of_match); +#else +#define st_magn_of_match NULL +#endif + static int st_magn_spi_probe(struct spi_device *spi) { struct iio_dev *indio_dev; @@ -30,6 +56,8 @@ static int st_magn_spi_probe(struct spi_device *spi) mdata = iio_priv(indio_dev); + st_sensors_of_name_probe(&spi->dev, st_magn_of_match, + spi->modalias, sizeof(spi->modalias)); st_sensors_spi_configure(indio_dev, spi, mdata); err = st_magn_common_probe(indio_dev); @@ -50,6 +78,7 @@ static int st_magn_spi_remove(struct spi_device *spi) static const struct spi_device_id st_magn_id_table[] = { { LIS3MDL_MAGN_DEV_NAME }, { LSM303AGR_MAGN_DEV_NAME }, + { LIS2MDL_MAGN_DEV_NAME }, {}, }; MODULE_DEVICE_TABLE(spi, st_magn_id_table); @@ -57,6 +86,7 @@ MODULE_DEVICE_TABLE(spi, st_magn_id_table); static struct spi_driver st_magn_driver = { .driver = { .name = "st-magn-spi", + .of_match_table = of_match_ptr(st_magn_of_match), }, .probe = st_magn_spi_probe, .remove = st_magn_spi_remove, |