From owner-freebsd-arm@freebsd.org  Fri Oct  2 11:17:31 2015
Return-Path: <owner-freebsd-arm@freebsd.org>
Delivered-To: freebsd-arm@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id B1D96A0E67E
 for <freebsd-arm@mailman.ysv.freebsd.org>;
 Fri,  2 Oct 2015 11:17:31 +0000 (UTC)
 (envelope-from prvs=71030a23e=julien.grall@citrix.com)
Received: from SMTP.CITRIX.COM (smtp.citrix.com [66.165.176.89])
 (using TLSv1 with cipher RC4-SHA (128/128 bits))
 (Client CN "mail.citrix.com",
 Issuer "Verizon Public SureServer CA G14-SHA2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 65FE917F8
 for <freebsd-arm@freebsd.org>; Fri,  2 Oct 2015 11:17:31 +0000 (UTC)
 (envelope-from prvs=71030a23e=julien.grall@citrix.com)
X-IronPort-AV: E=Sophos;i="5.17,622,1437436800"; d="scan'208";a="303877853"
Message-ID: <560E6768.6040705@citrix.com>
Date: Fri, 2 Oct 2015 12:15:52 +0100
From: Julien Grall <julien.grall@citrix.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64;
 rv:31.0) Gecko/20100101 Icedove/31.8.0
MIME-Version: 1.0
To: Maxime Ripard <maxime.ripard@free-electrons.com>
CC: Ian Campbell <ian.campbell@citrix.com>, Mark Rutland
 <mark.rutland@arm.com>, <devicetree@vger.kernel.org>, Pawel Moll
 <pawel.moll@arm.com>, =?windows-1252?Q?Emilio_L=F3pez?=
 <emilio@elopez.com.ar>, Michael Turquette <mturquette@baylibre.com>,
 "Stephen Boyd" <sboyd@codeaurora.org>, Rob Herring <robh+dt@kernel.org>,
 KumarGala <galak@codeaurora.org>, <linux-clk@vger.kernel.org>,
 <linux-arm-kernel@lists.infradead.org>, "freebsd-arm@freebsd.org"
 <freebsd-arm@FreeBSD.org>
Subject: Re: "clk: sunxi: Add a simple gates driver" breaks kernel with older
 DTB
References: <1443689231.16718.225.camel@citrix.com>
 <20151001204506.GR7104@lukather> <560E5767.2040502@citrix.com>
 <20151002105333.GA2696@lukather>
In-Reply-To: <20151002105333.GA2696@lukather>
Content-Type: text/plain; charset="windows-1252"
Content-Transfer-Encoding: 7bit
X-DLP: MIA2
X-Mailman-Approved-At: Fri, 02 Oct 2015 11:24:57 +0000
X-BeenThere: freebsd-arm@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: "Porting FreeBSD to ARM processors." <freebsd-arm.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm/>
List-Post: <mailto:freebsd-arm@freebsd.org>
List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 02 Oct 2015 11:17:31 -0000

On 02/10/15 11:53, Maxime Ripard wrote:
>> If no, that's very unfortunate because it means that you can't
>> re-use the same DT across multiple OS and the DT provided by the
>> firmware (if it's built-in).
> 
> Is there such OS yet (and by that, I mean one that actually shares our
> DT, instead of rewriting its own) ?

Yes, FreeBSD started to support the DT provided by vendors which are
based on Linux bindings. The ARM64 port is only using DTB provided by
the hardware. For ARM32, there is still some platform using a specific
DT for FreeBSD but they are trying to get a ride.

Regards,

-- 
Julien Grall