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Commit 65a687a2 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Jonathan Cameron
Browse files

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: default avatarLorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent ff73e861

drivers/iio/magnetometer/st_magn_spi.c

+25 −0
Original line number Diff line number Diff line
@@ -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,