linux-kernel - Re: [PATCH v2 01/16] drivers: pwm: core: use a single of xlate function

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Message-ID: <20180117231357.GC112833@google.com>
Date:   Wed, 17 Jan 2018 15:14:19 -0800
From:   Brian Norris <briannorris@...omium.org>
To:     Claudiu Beznea <Claudiu.Beznea@...rochip.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Jonathan Corbet <corbet@....net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        linux-pwm@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-amlogic@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org,
        devicetree <devicetree@...r.kernel.org>,
        Mike Dunn <mikedunn@...sguy.com>,
        Alexander Shiyan <shc_work@...l.ru>
Subject: Re: [PATCH v2 01/16] drivers: pwm: core: use a single of xlate
 function

On Tue, Jan 16, 2018 at 10:24:59AM +0200, Claudiu Beznea wrote:
> Please explain me further. From this I understand, as a general rule,
> that the device tree binaries from, e.g. 3 years ago, should be
> compatible with, e.g. the current version of kernel?

Yes.

https://www.kernel.org/doc/Documentation/devicetree/bindings/ABI.txt