Re: [PATCH v4 1/3] [media] of: move graph helpers from drivers/media/v4l2-core to drivers/of
From: Laurent Pinchart
Date: Fri Mar 21 2014 - 10:12:03 EST
On Friday 21 March 2014 15:37:17 Tomi Valkeinen wrote:
> On 21/03/14 00:32, Laurent Pinchart wrote:
> > The OF graph bindings documentation could just specify the ports node as
> > optional and mandate individual device bindings to specify it as mandatory
> > or forbidden (possibly with a default behaviour to avoid making all
> > device bindings too verbose).
> Isn't it so that if the device has one port, it can always do without
> 'ports', but if it has multiple ports, it always has to use 'ports' so
> that #address-cells and #size-cells can be defined?
You can put the #address-cells and #size-cells property in the device node
directly without requiring a ports subnode.
> If so, there's nothing left for the individual device bindings to decide.
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