linux-kernel - Re: [PATCH v3 01/13] dt-bindings: memory: snps: Convert the schema to being generic

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Date:   Wed, 5 Oct 2022 08:12:22 -0500
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Rob Herring <robh+dt@...nel.org>, linux-edac@...r.kernel.org,
        Manish Narani <manish.narani@...inx.com>,
        devicetree@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>,
        Michail Ivanov <Michail.Ivanov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        linux-kernel@...r.kernel.org, Tony Luck <tony.luck@...el.com>,
        Serge Semin <fancer.lancer@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Robert Richter <rric@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        James Morse <james.morse@....com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Punnaiah Choudary Kalluri 
        <punnaiah.choudary.kalluri@...inx.com>,
        Borislav Petkov <bp@...en8.de>,
        Michal Simek <michal.simek@...inx.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v3 01/13] dt-bindings: memory: snps: Convert the schema
 to being generic

On Fri, 30 Sep 2022 02:41:09 +0300, Serge Semin wrote:
> At the current state the DW uMCTL2 DDRC DT-schema can't be used as the
> common one for all the IP-core-based devices due to the compatible string
> property constraining the list of the supported device names. In order to
> fix that let's detach the common properties definition to the separate
> schema. The later will be used by the vendor-specific controller
> implementations to preserve the DT-bindings convention defined for the DW
> uMCTL2 DDR controller. Thus the generic DW uMCTL2 DDRC DT-bindings will be
> left with the compatible property definition only and will just refer to
> the detached common DT-schema.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> 
> ---
> 
> Changelog v2:
> - This is a new patch created on v2 cycle of the patchset. (@Krzysztof)
> 
> Changelog v3:
> - Create common DT-schema instead of using the generic device DT-bindings.
>   (@Rob)
> ---
>  .../snps,dw-umctl2-common.yaml                | 75 +++++++++++++++++++
>  .../snps,dw-umctl2-ddrc.yaml                  | 57 ++------------
>  2 files changed, 81 insertions(+), 51 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-common.yaml
> 

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