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authorLorenzo Bianconi <lorenzo.bianconi83@gmail.com>2017-06-27 00:53:46 +0200
committerJonathan Cameron <jic23@kernel.org>2017-07-02 10:24:58 +0100
commit2ff59bf39bbdc3b187050f8bf3a486b4ac416e86 (patch)
treefd0d5dbf78571c3c4a3703165bf91a61fa741845 /drivers/iio/pressure
parent794694ce233fa595e5125cd52475e76397d395e3 (diff)
downloadlinux-2ff59bf39bbdc3b187050f8bf3a486b4ac416e86.tar.bz2
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>
Diffstat (limited to 'drivers/iio/pressure')
-rw-r--r--drivers/iio/pressure/st_pressure_spi.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
index 550508025af1..f5ebd36bb4bf 100644
--- a/drivers/iio/pressure/st_pressure_spi.c
+++ b/drivers/iio/pressure/st_pressure_spi.c
@@ -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,