The Marvell Armada DRM master device is a virtual device needed to list all
nodes that comprise the graphics subsystem.
Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
.../display/armada/marvell-armada-drm.txt | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/armada/marvell-armada-drm.txt b/Documentation/devicetree/bindings/display/armada/marvell-armada-drm.txt
index de4cca9432c8..3dbfa8047f0b 100644
--- a/Documentation/devicetree/bindings/display/armada/marvell-armada-drm.txt
+++ b/Documentation/devicetree/bindings/display/armada/marvell-armada-drm.txt
@@ -1,3 +1,27 @@
+Marvell Armada DRM master device
+================================
+
+The Marvell Armada DRM master device is a virtual device needed to list all
+nodes that comprise the graphics subsystem.
+
+Required properties:
+
+ - compatible: value should be "marvell,dove-display-subsystem",
+ "marvell,armada-display-subsystem"
+ - ports: a list of phandles pointing to display interface ports of CRTC
+ devices
+ - memory-region: phandle to a node describing memory to be used for the
+ framebuffer
+
+Example:
+
+ display-subsystem {
+ compatible = "marvell,dove-display-subsystem",
+ "marvell,armada-display-subsystem";
+ memory-region = <&display_reserved>;
+ ports = <&lcd0_port>;
+ };
+
Marvell Armada LCD controller
=============================
--
2.20.1
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