[RFC 03/19] dt: bindings: Add a binding for flash devices associated to a sensor

[Sakari Ailus <sakari.ailus@linux.intel.com>]

Camera flash drivers (and LEDs) are separate from the sensor devices in
DT. In order to make an association between the two, provide the
association information to the software.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
---
 Documentation/devicetree/bindings/media/video-interfaces.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
index 9cd2a369125d..9723f7e1c7db 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -67,6 +67,14 @@ are required in a relevant parent node:
 		    identifier, should be 1.
  - #size-cells    : should be zero.
 
+
+Optional properties
+-------------------
+
+- flash: phandle referring to the flash driver chip. A flash driver may
+  have multiple flashes connected to it.
+
+
 Optional endpoint properties
 ----------------------------
 
-- 
2.11.0