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Commit d1d70aa6 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
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[media] media: OF: add "sync-on-green-active" property 



This patch adds 'sync-on-green-active' property as part
of endpoint property.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent edcaa49a

Documentation/devicetree/bindings/media/video-interfaces.txt

+2 −0
Original line number Diff line number Diff line
@@ -88,6 +88,8 @@ Optional endpoint properties 
- field-even-active: field signal level during the even field data transmission.

- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock

  signal.

- sync-on-green-active: active state of Sync-on-green (SoG) signal, 0/1 for

  LOW/HIGH respectively.

- data-lanes: an array of physical data lane indexes. Position of an entry

  determines the logical lane number, while the value of an entry indicates

  physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have

drivers/media/v4l2-core/v4l2-of.c

+4 −0
Original line number Diff line number Diff line
@@ -100,6 +100,10 @@ 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_property_read_u32(node, "sync-on-green-active", &v))

		flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH :

			V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW;



	bus->flags = flags;



}

include/media/v4l2-mediabus.h

+3 −0
Original line number Diff line number Diff line
@@ -40,6 +40,9 @@ 
#define V4L2_MBUS_FIELD_EVEN_HIGH		(1 << 10)

/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */

#define V4L2_MBUS_FIELD_EVEN_LOW		(1 << 11)

/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */

#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH	(1 << 12)

#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW		(1 << 13)



/* Serial flags */

/* How many lanes the client can use */