Hi! On Mon, Sep 28, 2020 at 02:27:35PM +0800, Kevin Tang wrote: > From: Kevin Tang <kevin.t...@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 <orsonz...@gmail.com> > Cc: Chunyan Zhang <zhang.l...@gmail.com> > Signed-off-by: Kevin Tang <kevin.t...@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.t...@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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