On Fri, Dec 17, 2021 at 12:09:44AM +0200, Laurent Pinchart wrote: > From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > Power supplies for the ports can be controlled per port depending on the > hardware design. Support per-port supplies in the DT bindings, mutually > exclusive with the global supply. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > .../bindings/media/i2c/maxim,max9286.yaml | 25 ++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml > index 02f656e78700..33aa307e8ee5 100644 > --- a/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml > +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml > @@ -39,7 +39,7 @@ properties: > maxItems: 1 > > poc-supply: > - description: Regulator providing Power over Coax to the cameras > + description: Regulator providing Power over Coax to all the ports > > enable-gpios: > description: GPIO connected to the \#PWDN pin with inverted polarity > @@ -160,6 +160,10 @@ properties: > > additionalProperties: false > > +patternProperties: > + "^port[0-3]-poc-supply$": > + description: Regulator providing Power over Coax for a particular port > + > required: > - compatible > - reg > @@ -167,6 +171,25 @@ required: > - i2c-mux > - gpio-controller > > +allOf: > + - if: > + required: > + - poc-supply > + then: > + allOf: > + - not: > + required: > + - port0-poc-supply > + - not: > + required: > + - port1-poc-supply > + - not: > + required: > + - port2-poc-supply > + - not: > + required: > + - port3-poc-supply I think you can invert the if and move patternProperties to the 'then' and... > + > additionalProperties: false then use unevaluatedProperties here. Rob