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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Grant Likely <grant.likely@linaro.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Russell King - ARM Linux <linux@arm.linux.org.uk>,
        Mauro Carvalho Chehab <m.chehab@samsung.com>,
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        devicetree@vger.kernel.org,
        Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
        Philipp Zabel <philipp.zabel@gmail.com>
Subject: Re: [PATCH v4 1/3] [media] of: move graph helpers from drivers/media/v4l2-core to drivers/of
Date: Fri, 21 Mar 2014 15:13:38 +0100
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Hi Tomi,

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 no=
de as
> > optional and mandate individual device bindings to specify it as ma=
ndatory
> > or forbidden (possibly with a default behaviour to avoid making all=

> > device bindings too verbose).
>=20
> 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' s=
o
> that #address-cells and #size-cells can be defined?

You can put the #address-cells and #size-cells property in the device n=
ode=20
directly without requiring a ports subnode.

> If so, there's nothing left for the individual device bindings to dec=
ide.


=2D-=20
Regards,

Laurent Pinchart

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