Message-ID: <12dd20c6-da12-b3fb-7723-fefe7bbe5bbc@gmail.com>
Date:   Thu, 9 Mar 2023 10:47:34 +0100
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Subject: Re: [PATCH] dt-bindings: nvmem: layouts: add fixed-layout
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Michael Walle <michael@walle.cc>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>
References: <20230309093410.15214-1-zajec5@gmail.com>
From:   =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>
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On 9.03.2023 10:34, Rafał Miłecki wrote:
> With the introduction of NVMEM layouts I believe we should prefer and
> support describing all NVMEM devices content in the "nvmem-layout" node.
> Inluding fixed NVMEM cells (those with hardcoded offset & size).
> 
> This seems to be cleaner design and more explicit.
> 
> Introduce a binding allowing fixed NVMEM cells as a type of layout.

While this is obvious to me I should make it clear anyway:

We must not break backward compatibility. Old binding should remain
supported. We may want to deprecate old binding but we have to support
existing DT files.