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

[Maxime Ripard]

Hi!

On Mon, Sep 28, 2020 at 02:27:35PM +0800, Kevin Tang wrote:
> From: Kevin Tang <kevin.tang at unisoc.com>
> 
> 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 at gmail.com>
> Cc: Chunyan Zhang <zhang.lyra at gmail.com>
> Signed-off-by: Kevin Tang <kevin.tang at unisoc.com>
> ---
>  .../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 at unisoc.com>
> +
> +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.

Generally speaking, driver-specific properties should be prefixed by the
vendor name to avoid any conflict with generic properties (like the
OF-Graph ports subnode in this case)

Maxime
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