video: display_timing: Add flags to select the edge when the sync is driven

The sync can be - and for some panels it must be - driven on different edge
then the data.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Rob Herring <robh+dt@kernel.org>
CC: Mark Rutland <mark.rutland@arm.com>
CC: devicetree@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/include/video/display_timing.h b/include/video/display_timing.h
index 28d9d0d..3d289e9 100644 (file)
--- a/include/video/display_timing.h
+++ b/include/video/display_timing.h
@@ -28,6 +28,10 @@ enum display_flags {
        DISPLAY_FLAGS_INTERLACED        = BIT(8),
        DISPLAY_FLAGS_DOUBLESCAN        = BIT(9),
        DISPLAY_FLAGS_DOUBLECLK         = BIT(10),
+       /* drive sync on pos. edge */
+       DISPLAY_FLAGS_SYNC_POSEDGE      = BIT(11),
+       /* drive sync on neg. edge */
+       DISPLAY_FLAGS_SYNC_NEGEDGE      = BIT(12),
 };
 
 /*