linux-kernel - Re: [PATCH v2 3/4] dt-bindings: mtd: macronix,mx25l12833f: add SPI-NOR chip

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Message-ID: <1c457520-07b7-4bde-b040-e8bca959a4f5@linaro.org>
Date: Mon, 1 Jul 2024 06:23:48 +0100
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Erez Geva <erezgeva@...ime.org>, linux-mtd@...ts.infradead.org,
 Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>
Cc: linux-kernel@...r.kernel.org, Miquel Raynal <miquel.raynal@...tlin.com>,
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
 devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Erez Geva <ErezGeva2@...il.com>
Subject: Re: [PATCH v2 3/4] dt-bindings: mtd: macronix,mx25l12833f: add
 SPI-NOR chip

Hi,

On 6/29/24 11:39 AM, Erez Geva wrote:
> From: Erez Geva <ErezGeva2@...il.com>
> 
> Add Macronix SPI-NOR mx25l12833f.
> 
> mx25l12833f uses the same JEDEC ID as mx25l12805d.
> 
> Although mx25l12833f is a new chip that support read ID and SFDP,
>  users might want to specify it in the device tree,
>  to differ it from the old mx25l12805d chip.

As Michael said in a reply in v1, we try really hard to don't introduce
new compatibles and instead rely on the generic "jedec,spi-nor". In your
case you can differentiate between the two flavors of flashes based on
the SFDP presence. We won't apply this.

Cheers,
ta