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iio: gyro: st_gyro_spi: add OF capability to st_gyro_spi 

Add device tree support for L3G4200D, LSM330D, LSM330DL, LSM330DLC,
L3GD20, L3GD20H, L3G4IS, LSM330, LSM9DS0 gyroscope 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>
hifive-unleashed-5.1
Lorenzo Bianconi 2017-06-27 00:53:45 +02:00 committed by Jonathan Cameron
parent 65a687a22d
commit 794694ce23
1 changed files with 53 additions and 0 deletions
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53
drivers/iio/gyro/st_gyro_spi.c
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@ -18,6 +18,56 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_gyro.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-gyro to maintain
* compatibility
*/
static const struct of_device_id st_gyro_of_match[] = {
{
.compatible = "st,l3g4200d-gyro",
.data = L3G4200D_GYRO_DEV_NAME,
},
{
.compatible = "st,lsm330d-gyro",
.data = LSM330D_GYRO_DEV_NAME,
},
{
.compatible = "st,lsm330dl-gyro",
.data = LSM330DL_GYRO_DEV_NAME,
},
{
.compatible = "st,lsm330dlc-gyro",
.data = LSM330DLC_GYRO_DEV_NAME,
},
{
.compatible = "st,l3gd20-gyro",
.data = L3GD20_GYRO_DEV_NAME,
},
{
.compatible = "st,l3gd20h-gyro",
.data = L3GD20H_GYRO_DEV_NAME,
},
{
.compatible = "st,l3g4is-gyro",
.data = L3G4IS_GYRO_DEV_NAME,
},
{
.compatible = "st,lsm330-gyro",
.data = LSM330_GYRO_DEV_NAME,
},
{
.compatible = "st,lsm9ds0-gyro",
.data = LSM9DS0_GYRO_DEV_NAME,
},
{},
};
MODULE_DEVICE_TABLE(of, st_gyro_of_match);
#else
#define st_gyro_of_match NULL
#endif
static int st_gyro_spi_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
@ -30,6 +80,8 @@ static int st_gyro_spi_probe(struct spi_device *spi)
gdata = iio_priv(indio_dev);
st_sensors_of_name_probe(&spi->dev, st_gyro_of_match,
spi->modalias, sizeof(spi->modalias));
st_sensors_spi_configure(indio_dev, spi, gdata);
err = st_gyro_common_probe(indio_dev);
@ -63,6 +115,7 @@ MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
static struct spi_driver st_gyro_driver = {
.driver = {
.name = "st-gyro-spi",
.of_match_table = of_match_ptr(st_gyro_of_match),
},
.probe = st_gyro_spi_probe,
.remove = st_gyro_spi_remove,