[PATCH v2 1/4] dt-bindings: media: i2c: ov5640: Document bus-type property

[Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>]

Document the possible bus-type's supported by the OV5640 sensor driver.

Also add the bus-type in example node.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 Documentation/devicetree/bindings/media/i2c/ov5640.txt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/ov5640.txt b/Documentation/devicetree/bindings/media/i2c/ov5640.txt
index c97c2f2da12d..00131dbb147e 100644
--- a/Documentation/devicetree/bindings/media/i2c/ov5640.txt
+++ b/Documentation/devicetree/bindings/media/i2c/ov5640.txt
@@ -36,9 +36,15 @@ Endpoint node required properties for parallel connection are:
 - data-shift: shall be set to <2> for 8 bits parallel bus
 	      (lines 9:2 are used) or <0> for 10 bits parallel bus
 - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
+		(Required for bus-type 5)
 - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
+		(Required for bus-type 5)
 - pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
-	       signal.
+	       signal. (Required for bus-type 5)
+- bus-type: data bus type. Possible values are:
+	    4 - MIPI CSI-2 D-PHY
+	    5 - Parallel
+	    6 - Bt.656
 
 Examples:
 
@@ -86,6 +92,7 @@ Examples:
 				hsync-active = <0>;
 				vsync-active = <0>;
 				pclk-sample = <1>;
+				bus-type = <5>;
 			};
 		};
 	};
-- 
2.17.1