dt-bindings: rockchip: drm: add secure memory region

Change-Id: Ibbfae144d5b79972ffa913801c7054c8af4bcd41
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.txt
index c408c50196ce55905bc928d1e145563b10697c4f..52f8e6a3b890e253a56b56ef6b5e5498c21f0d0d 100644 (file)
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.txt
@@ -13,6 +13,7 @@ Required properties:
 
 Optional properties
 - backlight: spacial backlight required by cabc function.
+- secure-memory-region: phandle to a node describing secure memory
 - clocks: include clock specifiers corresponding to entries in the
           clock-names property.
 - clock-names: optional include