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Date:   Mon, 3 Apr 2023 13:51:17 -0500
From:   Rob Herring <robh@kernel.org>
To:     =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>
Cc:     Miquel Raynal <miquel.raynal@bootlin.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Michael Walle <michael@walle.cc>,
        =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>,
        devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        linux-kernel@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH V6 1/3] dt-bindings: nvmem: layouts: add fixed-layout
Message-ID: <168054787680.1362688.9993524807419287721.robh@kernel.org>
References: <20230327141611.25131-1-zajec5@gmail.com>
 <20230327141611.25131-2-zajec5@gmail.com>
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On Mon, 27 Mar 2023 16:16:09 +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
> 
> With the introduction of NVMEM layouts, new NVMEM content structures
> should be defined as such. We should also try to convert / migrate
> existing NVMEM content bindings to layouts.
> 
> This commit handles fixed NVMEM cells. So far they had to be defined
> directly - as device subnodes. With this change it's allowed to put them
> in the DT node named "nvmem-layout".
> 
> Having NVMEM cells in separated node is preferred as it draws a nice
> line between NVMEM device and its content. It results in cleaner
> bindings.
> 
> FWIW a very similar situation has happened to MTD devices and their
> partitions: see commit 5d96ea42eb63 ("dt-bindings: mtd: Clarify all
> partition subnodes").
> 
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
> V6: Add unevaluatedProperties: false
> ---
>  .../bindings/nvmem/layouts/fixed-cell.yaml    | 31 ++++++++++++
>  .../bindings/nvmem/layouts/fixed-layout.yaml  | 50 +++++++++++++++++++
>  .../bindings/nvmem/layouts/nvmem-layout.yaml  |  5 +-
>  .../devicetree/bindings/nvmem/nvmem.yaml      | 19 +------
>  4 files changed, 84 insertions(+), 21 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/layouts/fixed-cell.yaml
>  create mode 100644 Documentation/devicetree/bindings/nvmem/layouts/fixed-layout.yaml
> 

Reviewed-by: Rob Herring <robh@kernel.org>