On Tue, Oct 29, 2019 at 01:16:57PM +0100, Torsten Duwe wrote: > The anx6345 is an ultra-low power DisplayPort/eDP transmitter designed > for portable devices. > > Add a binding document for it. > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> > Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Torsten Duwe <duwe@xxxxxxx> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > .../bindings/display/bridge/anx6345.yaml | 92 ++++++++++++++++++++++ > 1 file changed, 92 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/anx6345.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.yaml b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml > new file mode 100644 > index 000000000000..094e8e8a5faa > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml > @@ -0,0 +1,92 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/anx6345.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analogix ANX6345 eDP Transmitter Device Tree Bindings > + > +maintainers: > + - Torsten Duwe <duwe@xxxxxx> > + > +description: | > + The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for > + portable devices. > + > +properties: > + compatible: > + const: analogix,anx6345 > + > + reg: > + maxItems: 1 > + description: base I2C address of the device > + > + reset-gpios: > + maxItems: 1 > + description: GPIO connected to active low reset > + > + dvdd12-supply: > + maxItems: 1 > + description: Regulator for 1.2V digital core power. > + > + dvdd25-supply: > + maxItems: 1 > + description: Regulator for 2.5V digital core power. > + > + ports: > + anyOf: > + - port@0: > + description: Video port for LVTTL input > + - port@1: > + description: Video port for eDP output (panel or connector). > + May be omitted if EDID works reliably. > + required: > + - port@0 Have you tried to validate those two ports in a DT? I'm not quite sure what you wanted to express with that anyOf, but if it was something like port@0 is mandatory, and port@1 is optional, it should be something like this: properties: ... ports: type: object properties: port@0: type: object description: | Video port for LVTTL input port@1: type: object description: | Video port for eDP output (..) required: - port@0 This way, you express that both port@0 and port@1 must by nodes, under a node called ports, and port@0 is mandatory. You should even push this a bit further by adding additionalProperties: false to prevent a DT from having undocumented properties and children for the main node and ports node. Maxime
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