From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (Pali =?utf-8?q?Roh=C3=A1r?=) Date: Mon, 6 Jul 2015 18:20:35 +0200 Subject: [RESEND] [PATCH v2 1/2] arm: devtree: Set system_rev from DT revision In-Reply-To: References: <1430902142-17035-1-git-send-email-pali.rohar@gmail.com> <201507061512.27124@pali> Message-ID: <201507061820.35789@pali> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 06 July 2015 17:22:58 Rob Herring wrote: > On Mon, Jul 6, 2015 at 8:12 AM, Pali Roh?r wrote: > > On Monday 06 July 2015 14:31:27 Tony Lindgren wrote: > >> * Pali Roh?r [150706 05:25]: > >> > into which file should I put documentation about new DT > >> > properties? > >> > >> If it's Linux generic like linux,revision, then how about > >> Documentation/devicetree/bindings/revision.txt? > >> > >> For the ATAGs, Documentation/devicetree/bindings/arm/atag.txt? > >> > >> Regards, > >> > >> Tony > > > > Hm... now I'm thinking into which DT field should I put atags and > > revision. In previous emails you wrote to use "linux,atags", now > > "arm,atags"? And put them into root node? Or other? > > > > In arch/arm/boot/compressed/atags_to_fdt.c code I see that most > > atag properties are converted into "/chosen" node in DT... > > > > So what do you prefer for "revision" and what for "atags"? > > > > Some mentioned examples: > > > > "/revision" > > This one. This is a top level h/w property. > > > "/chosen/revision" > > "/linux,revision" > > "/chosen/linux,revision" > > ... > > > > "/atags" > > "/chosen/atags" > > "/linux,atags" > > "/chosen/linux,atags" > > This one. ATAGs are a Linux data struct. > > Rob > Ok, and how read that property "/chosen/linux,atags" in function setup_machine_fdt() from file arch/arm/kernel/devtree.c ? of_get_flat_dt_prop() cannot be used unless somebody get me offset to node "/chosen"... Any idea? > > "/arm,atags" > > "/chosen/arm,atags" > > ... > > > > -- > > Pali Roh?r > > pali.rohar at gmail.com -- Pali Roh?r pali.rohar at gmail.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: