On Mon, Mar 22, 2021 at 10:28 PM Hermes Zhang <Hermes.Zhang@xxxxxxxx> wrote: > > > -----Original Message----- > > From: Rob Herring <robh@xxxxxxxxxx> > > Sent: 2021年3月23日 1:38 > > My bot found errors running 'make dt_binding_check' on your patch: > > > > yamllint warnings/errors: > > > > dtschema/dtc warnings/errors: > > /builds/robherring/linux-dt- > > review/Documentation/devicetree/bindings/leds/leds-multi- > > gpio.example.dt.yaml: gpios-led: led-states: 'oneOf' conditional failed, one > > must be fixed: > > [[0, 1, 2, 3]] is too short > > [0, 1, 2, 3] is too long > > From schema: /builds/robherring/linux-dt- > > review/Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml > > > > Hi Rob, > > Thanks. Yes, now I can see the warning, but I could not understand what was wrong? Could you give some hint? I think you need 'maxItems' in addition to minItems. Rob