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iio: pressure: st_pressure_spi: add OF capability to st_pressure_spi 

Add device tree support for LPS22HB, LPS25H, LPS331AP, LPS001WP
pressure 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>
This commit is contained in:
Lorenzo Bianconi 2017-06-27 00:53:46 +02:00 committed by Jonathan Cameron
parent 794694ce23
commit 2ff59bf39b
1 changed files with 33 additions and 0 deletions
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33
drivers/iio/pressure/st_pressure_spi.c
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@ -18,6 +18,36 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_pressure.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-press to maintain
* compatibility
*/
static const struct of_device_id st_press_of_match[] = {
{
.compatible = "st,lps001wp-press",
.data = LPS001WP_PRESS_DEV_NAME,
},
{
.compatible = "st,lps25h-press",
.data = LPS25H_PRESS_DEV_NAME,
},
{
.compatible = "st,lps331ap-press",
.data = LPS331AP_PRESS_DEV_NAME,
},
{
.compatible = "st,lps22hb-press",
.data = LPS22HB_PRESS_DEV_NAME,
},
{},
};
MODULE_DEVICE_TABLE(of, st_press_of_match);
#else
#define st_press_of_match NULL
#endif
static int st_press_spi_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
@ -30,6 +60,8 @@ static int st_press_spi_probe(struct spi_device *spi)
press_data = iio_priv(indio_dev);
st_sensors_of_name_probe(&spi->dev, st_press_of_match,
spi->modalias, sizeof(spi->modalias));
st_sensors_spi_configure(indio_dev, spi, press_data);
err = st_press_common_probe(indio_dev);
@ -58,6 +90,7 @@ MODULE_DEVICE_TABLE(spi, st_press_id_table);
static struct spi_driver st_press_driver = {
.driver = {
.name = "st-press-spi",
.of_match_table = of_match_ptr(st_press_of_match),
},
.probe = st_press_spi_probe,
.remove = st_press_spi_remove,