diff options
| author | Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> | 2017-06-27 00:53:44 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2017-07-02 10:24:55 +0100 |
| commit | 65a687a22dbcb97d4747fd4c8edc55d73b5a3907 (patch) | |
| tree | 354c5430b6d8eb183fb7a39ddbb9642966cf9b8a /drivers/iio/magnetometer | |
| parent | ff73e8611e95ebcb9e88b533d9a666bc13c82a88 (diff) | |
iio: magnetometer: st_magn_spi: add OF capability to st_magn_spi
Add device tree support for LIS3MDL and LSM303AGR magnetometer sensors
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/magnetometer')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_spi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c index f3cb4dc05391..1ea64dd318aa 100644 --- a/drivers/iio/magnetometer/st_magn_spi.c +++ b/drivers/iio/magnetometer/st_magn_spi.c @@ -18,6 +18,28 @@ #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, + }, + {} +}; +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 +52,8 @@ 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); @@ -57,6 +81,7 @@ 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, |