linux-kernel - Re: [PATCH v3 1/2] arm: dts: am4372: let boards access all nodes through phandles

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Message-ID: <20140625111443.GG14495@leverpostej>
Date:	Wed, 25 Jun 2014 12:14:43 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Felipe Balbi <balbi@...com>
Cc:	Rob Herring <robherring2@...il.com>,
	Benoit Cousson <bcousson@...libre.com>,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Tony Lindgren <tony@...mide.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Rajendra Nayak <rnayak@...com>, Nishanth Menon <nm@...com>,
	Sricharan R <r.sricharan@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 1/2] arm: dts: am4372: let boards access all nodes
 through phandles

On Wed, Jun 25, 2014 at 02:40:16AM +0100, Felipe Balbi wrote:
> Hi,
> 
> On Tue, Jun 24, 2014 at 04:11:48PM -0500, Rob Herring wrote:
> > On Mon, Jun 23, 2014 at 1:20 PM, Felipe Balbi <balbi@...com> wrote:
> > > by providing phandles to rtc, wdt, cpu and dispc nodes,
> > > boards can access them to add board-specific data.
> > 
> > Strictly speaking, you are adding labels, not phandles. You can do
> 
> heh, fair point. Easily editable when applying, though (?)
> 
> > phandles without using labels, but the syntax is not so obvious. I'd
> > tell you what it is but offhand I don't remember. :)
> 
> something along the lines of using the full path ?

Yup. The full path in braces:

	phandle-property = <&{/full/path/to/node@...EAD}>;

Mark.
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