[PATCH RFC v7 1/6] dt-bindings: display: add Unisoc's drm master bindings

From: Kevin Tang
Date: Mon Sep 28 2020 - 02:28:01 EST


From: Kevin Tang <kevin.tang@xxxxxxxxxx>

The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem

RFC v7:
- Fix DTC unit name warnings
- Fix the problem of maintainers

Cc: Orson Zhai <orsonzhai@xxxxxxxxx>
Cc: Chunyan Zhang <zhang.lyra@xxxxxxxxx>
Signed-off-by: Kevin Tang <kevin.tang@xxxxxxxxxx>
---
.../display/sprd/sprd,display-subsystem.yaml | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml

diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
new file mode 100644
index 0000000..9487a39
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sprd/sprd,display-subsystem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc DRM master device
+
+maintainers:
+ - Kevin Tang <kevin.tang@xxxxxxxxxx>
+
+description: |
+ The Unisoc DRM master device is a virtual device needed to list all
+ DPU devices or other display interface nodes that comprise the
+ graphics subsystem.
+
+properties:
+ compatible:
+ const: sprd,display-subsystem
+
+ ports:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ Should contain a list of phandles pointing to display interface port
+ of DPU devices.
+
+required:
+ - compatible
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ display-subsystem {
+ compatible = "sprd,display-subsystem";
+ ports = <&dpu_out>;
+ };
+
--
2.7.4