Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / iio / trigger / iio-trig-bfin-timer.h

diff --git a/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h b/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h
new file mode 100644 (file)
index 0000000..c07321f
--- /dev/null
+++ b/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h
@@ -0,0 +1,24 @@
+#ifndef __IIO_BFIN_TIMER_TRIGGER_H__
+#define __IIO_BFIN_TIMER_TRIGGER_H__
+
+/**
+ * struct iio_bfin_timer_trigger_pdata - timer trigger platform data
+ * @output_enable: Enable external trigger pulse generation.
+ * @active_low: Whether the trigger pulse is active low.
+ * @duty_ns: Length of the trigger pulse in nanoseconds.
+ *
+ * This struct is used to configure the output pulse generation of the blackfin
+ * timer trigger. If output_enable is set to true an external trigger signal
+ * will generated on the pin corresponding to the timer. This is useful for
+ * converters which needs an external signal to start conversion. active_low and
+ * duty_ns are used to configure the type of the trigger pulse. If output_enable
+ * is set to false no external trigger pulse will be generated and active_low
+ * and duty_ns are ignored.
+ **/
+struct iio_bfin_timer_trigger_pdata {
+       bool output_enable;
+       bool active_low;
+       unsigned int duty_ns;
+};
+
+#endif