On 05/09/2023 15:23, Fabio Estevam wrote: > +allOf: > + - $ref: rtc.yaml# > + > +properties: > + compatible: > + const: nxp,pcf8523 > + > + reg: > + maxItems: 1 > + > + quartz-load-femtofarads: > + description: > + The capacitive load of the crystal, expressed in femto Farad (fF). > + Valid values are 7000 and 12500. The default value when this property > + is absent is 12500fF. > + enum: [ 7000, 12500 ] default: (original binding had it, wasn't it true?) > + > + wakeup-source: true If there is going to be new version: You can drop it and switch to unevaluatedProperties: false later. Best regards, Krzysztof