linux-kernel - Re: [PATCH 1/3] riscv: dts: thead: add BeagleV Ahead board device tree

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Date:   Mon, 24 Jul 2023 11:37:56 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Jisheng Zhang <jszhang@...nel.org>
CC:     Drew Fustini <dfustini@...libre.com>,
        Conor Dooley <conor@...nel.org>, Guo Ren <guoren@...nel.org>,
        Fu Wei <wefu@...hat.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Robert Nelson <robertcnelson@...gleboard.org>,
        Jason Kridner <jkridner@...gleboard.org>
Subject: Re: [PATCH 1/3] riscv: dts: thead: add BeagleV Ahead board device
 tree

On Mon, Jul 24, 2023 at 08:23:22AM +0800, Jisheng Zhang wrote:
> On Sun, Jul 23, 2023 at 10:29:57AM -0700, Drew Fustini wrote:
> > On Sun, Jul 23, 2023 at 11:32:17AM +0100, Conor Dooley wrote:
> > > On Sat, Jul 22, 2023 at 02:55:39PM -0700, Drew Fustini wrote:
> > > 
> > > > +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> > > > @@ -0,0 +1,61 @@
> > > > +// SPDX-License-Identifier: GPL-2.0
> > > 
> > > Hmm, should this not be dual licensed?
> > > I notice the other th1520 stuff isn't either..
> > 
> > Good point, I'll resubmit with a dual license.
> > 
> > Jisheng: are you okay with the other arch/riscv/boot/dts/thead files
> > changing to a dual license?
> 
> When cooking the initial patch, I wrote the lpi4a dts files from
> scratch based on sipeed opened sch file, and currently only I made
> contributions to them, so it's easy to make the lpi4a dts files
> dual license.
> 
> However, when constructing the th1520.dtsi, I refered the T-HEAD's
> opensourced yocto repo(in fact, that's the only sourcecode/doc I have
> at that time), and the license there is GPL-2.0. That's
> also the reason why copyright of Alibaba Group Holding Limited is
> added to th1520.dtsi. I'm not sure how to make th1520.dtsi dual
> license. At least, this needs help from Guo Ren. Any suggestion is
> appreciated.

I think Guo Ren Acking the change should be sufficient. It'd be good to
have them dual licensed to make it easier for other projects to include
the dts files from Linux. Almost all of what we have at the moment is
dual licensed, other than the Canaan stuff & some board dts files I got
from customers that were only GPLed.

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