linux-kernel - Re: [PATCH v2 14/15] spi: dt-bindings: snps,dw-ahb-ssi: Add generic dw-ahb-ssi version

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Message-ID: <Y5ivfCku1P4CTFn8@sirena.org.uk>
Date:   Tue, 13 Dec 2022 16:59:40 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Sudip Mukherjee <sudip.mukherjee@...ive.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        jude.onyenegecha@...ive.com, ben.dooks@...ive.com,
        jeegar.lakhani@...ive.com, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 14/15] spi: dt-bindings: snps,dw-ahb-ssi: Add generic
 dw-ahb-ssi version

On Tue, Dec 13, 2022 at 10:32:09AM -0600, Rob Herring wrote:
> On Mon, Dec 12, 2022 at 06:07:31PM +0000, Sudip Mukherjee wrote:

> > Add new snps,dw-ahb-ssi version to the bindings.

> Really, this should probably only be a fallback with an SoC specific 
> compatible. Future quirk properties which are not board specific only 
> will be rejected. You've been warned.

Given how widely used DesignWare stuff is and usage in FPGAs it does
seem reasonable to have compatibles for just the IP rather than SoC
specific ones - we do have quirked versions that have been modified but
these are things that people manage to deploy without needing that and
SoC specific compatibles for FPGA instantiations would get painful.

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