linux-kernel - Re: [PATCH v4 3/7] dt-bindings: memory: lpddr2: Add revision-id properties

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Message-ID: <545e4036-a9fe-a0f1-dd8c-f5948fee6c4e@canonical.com>
Date:   Wed, 6 Oct 2021 12:59:20 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH v4 3/7] dt-bindings: memory: lpddr2: Add revision-id
 properties

On 06/10/2021 01:00, Dmitry Osipenko wrote:
> Add optional revision-id standard LPDDR2 properties which will help to
> identify memory chip.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  .../memory-controllers/ddr/jedec,lpddr2.yaml         | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
> index d99ccad54938..01efb43c3425 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
> @@ -24,6 +24,16 @@ properties:
>            - enum:
>                - jedec,lpddr2-nvm
>  
> +  revision-id1:
> +    maximum: 255
> +    description: |
> +      Revision 1 value of SDRAM chip. Obtained from device datasheet.
> +

Also type/ref for uint32 needed.


Best regards,
Krzysztof