On Sun, Jan 20, 2019 at 11:26 AM Lubomir Rintel lkundrak@v3.sk wrote:

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@v3.sk

.../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>;
  

If there is only one device, you don't need this virtual node.

•   };
  

Marvell Armada LCD controller

-- 2.20.1