# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/verisilicon/verisilicon-drm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Verisilicon DRM master device

maintainers:
  - Keith Zhao <keith.zhao@starfivetech.com>
  - ShengYang Chen <shengyang.chen@starfivetech.com>

description: |
  The Verisilicon DRM master device is a virtual device needed to list all
  display controller or other display interface nodes that comprise the
  graphics subsystem.

properties:
  compatible:
    const: verisilicon,display-subsystem

  ports:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      maxItems: 1
    description: |
      Should contain a list of phandles pointing to display interface ports
      of display controller devices. Display controller definitions as defined in
      Documentation/devicetree/bindings/display/verisilicon/verisilicon-dc.yaml

required:
  - compatible
  - ports

additionalProperties: false

examples:
  - |
    display-subsystem {
        compatible = "verisilicon,display-subsystem";
        ports = <&dc_out>;
    };