#include <linux/delay.h>
#include <linux/iio/iio.h>
#include <linux/regulator/consumer.h>
+#include <linux/of.h>
#include <asm/unaligned.h>
-
#include <linux/iio/common/st_sensors.h>
return 0;
}
+#ifdef CONFIG_OF
+static struct st_sensors_platform_data *st_sensors_of_probe(struct device *dev,
+ struct st_sensors_platform_data *defdata)
+{
+ struct st_sensors_platform_data *pdata;
+ struct device_node *np = dev->of_node;
+ u32 val;
+
+ if (!np)
+ return NULL;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!of_property_read_u32(np, "st,drdy-int-pin", &val) && (val <= 2))
+ pdata->drdy_int_pin = (u8) val;
+ else
+ pdata->drdy_int_pin = defdata ? defdata->drdy_int_pin : 1;
+
+ return pdata;
+}
+#else
+static struct st_sensors_platform_data *st_sensors_of_probe(struct device *dev,
+ struct st_sensors_platform_data *defdata)
+{
+ return NULL;
+}
+#endif
+
int st_sensors_init_sensor(struct iio_dev *indio_dev,
struct st_sensors_platform_data *pdata)
{
struct st_sensor_data *sdata = iio_priv(indio_dev);
+ struct st_sensors_platform_data *of_pdata;
int err = 0;
mutex_init(&sdata->tb.buf_lock);
+ /* If OF/DT pdata exists, it will take precedence of anything else */
+ of_pdata = st_sensors_of_probe(indio_dev->dev.parent, pdata);
+ if (of_pdata)
+ pdata = of_pdata;
+
if (pdata)
err = st_sensors_set_drdy_int_pin(indio_dev, pdata);