documentation: dt: gamma: Add support for max width and height

Adds two optional parameters xlnx,max-width and xlnx,max-height which
determine the max size of frame the IP can process.

Signed-off-by: Vishal Sagar <vishal.sagar@xilinx.com>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/Documentation/devicetree/bindings/media/xilinx/xlnx,v-gamma-lut.txt b/Documentation/devicetree/bindings/media/xilinx/xlnx,v-gamma-lut.txt
index f45fe6102c598cfd587d17393709938cc4606fe6..f0f00a79f0e1e87ea57c18ee536ddf32d531009f 100644 (file)
--- a/Documentation/devicetree/bindings/media/xilinx/xlnx,v-gamma-lut.txt
+++ b/Documentation/devicetree/bindings/media/xilinx/xlnx,v-gamma-lut.txt
@@ -25,6 +25,11 @@ Required port properties:
 
 - xlnx,video-width: Video width as defined in video.txt. Can be either 8 or 10.
 
+Optional properties:
+
+- xlnx,max-height: Maximum number of lines.
+- xlnx,max-width: Maximum number of pixels in a line.
+
 Example :
 
        gamma_lut_1: gamma_lut_1@0xa0080000 {