On 25/04/2024 23:36, Eddie James wrote: > The SBEFIFO engine provides an interface to the POWER processor > Self Boot Engine (SBE). > > Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx> > Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > Reviewed-by: Andrew Jeffery <andrew@xxxxxxxxxxxxxxxxxxxx> > --- > +description: > + The SBEFIFO is an FSI CFAM engine that provides an interface to the > + POWER processor Self Boot Engine (SBE). This node will always be a child > + of an FSI CFAM node; see fsi.txt for details on FSI slave and CFAM > + nodes. > + > +properties: > + compatible: > + enum: > + - ibm,p9-sbefifo > + - ibm,odyssey-sbefifo > + > + reg: > + items: > + - description: FSI slave address > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "^occ(@.*)?": Why unit address is optional? Best regards, Krzysztof