tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[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: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
authored by
Lad, Prabhakar
and committed by
Mauro Carvalho Chehab
d1d70aa6
edcaa49a
+9
+2
Documentation/devicetree/bindings/media/video-interfaces.txt
+2
Documentation/devicetree/bindings/media/video-interfaces.txt
···
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- field-even-active: field signal level during the even field data transmission.
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- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
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signal.
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+
- sync-on-green-active: active state of Sync-on-green (SoG) signal, 0/1 for
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+
LOW/HIGH respectively.
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- data-lanes: an array of physical data lane indexes. Position of an entry
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determines the logical lane number, while the value of an entry indicates
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physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have
+4
drivers/media/v4l2-core/v4l2-of.c
+4
drivers/media/v4l2-core/v4l2-of.c
···
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if (!of_property_read_u32(node, "data-shift", &v))
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bus->data_shift = v;
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+
if (!of_property_read_u32(node, "sync-on-green-active", &v))
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flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH :
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V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW;
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+
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bus->flags = flags;
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}
+3
include/media/v4l2-mediabus.h
+3
include/media/v4l2-mediabus.h
···
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#define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10)
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/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
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#define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11)
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+
/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */
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#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH (1 << 12)
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+
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW (1 << 13)
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/* Serial flags */
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/* How many lanes the client can use */