> Subject: RE: [PATCH] dt-bindings: pwm: Convert mxs pwm to json-schema > > > +title: Freescale MXS PWM controller > > + > > +maintainers: > > + - Shawn Guo <shawn.guo@xxxxxxxxxx> > > + - Anson Huang <anson.huang@xxxxxxx> > > + > > +properties: > > + compatible: > > + enum: > > + - fsl,imx23-pwm > > + > > + reg: > > + maxItems: 1 > > + > > + "#pwm-cells": > > + const: 3 > > Seems you missed the reference to pwm.yaml. It is because many pwm yaml files also has no "#pwm-cells" reference, so I am NOT sure if it is a MUST: Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml Documentation/devicetree/bindings/pwm/iqs620a-pwm.yaml ... Anson