From: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
This patch adds "sync-on-green" property as part of
endpoint properties and also support to parse them in the parser.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
Cc: Rob Landley <rob@xxxxxxxxxxx>
Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx
Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
Changes for v2:
1: Dropped "field-active" property as it same as existing
"field-even-active" property.
.../devicetree/bindings/media/video-interfaces.txt | 2 ++
drivers/media/v4l2-core/v4l2-of.c | 3 +++
include/media/v4l2-mediabus.h | 1 +
3 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
index e022d2d..f91821f 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -101,6 +101,8 @@ Optional endpoint properties
array contains only one entry.
- clock-noncontinuous: a boolean property to allow MIPI CSI-2 non-continuous
clock mode.
+-sync-on-green: a boolean property indicating to sync with the green signal in
+ RGB.
Example
diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c
index aa59639..b51d61f 100644
--- a/drivers/media/v4l2-core/v4l2-of.c
+++ b/drivers/media/v4l2-core/v4l2-of.c
@@ -100,6 +100,9 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node,
if (!of_property_read_u32(node, "data-shift", &v))
bus->data_shift = v;
+ if (of_get_property(node, "sync-on-green", &v))
+ flags |= V4L2_MBUS_SYNC_ON_GREEN;
+
bus->flags = flags;
}
diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
index 83ae07e..cf2c66f9 100644
--- a/include/media/v4l2-mediabus.h
+++ b/include/media/v4l2-mediabus.h
@@ -40,6 +40,7 @@
#define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10)
/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11)
+#define V4L2_MBUS_SYNC_ON_GREEN (1 << 12)
/* Serial flags */
/* How many lanes the client can use */
--
1.7.4.1
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