linux-kernel - Re: [PATCH 10/11] spi: dw-apb-ssi: add generic 1.03a version

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Date:   Sat, 27 Aug 2022 02:23:17 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Sudip Mukherjee <sudip.mukherjee@...ive.com>
Cc:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        greentime.hu@...ive.com, jude.onyenegecha@...ive.com,
        william.salmon@...ive.com, adnan.chowdhury@...ive.com,
        ben.dooks@...ive.com, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        jeegar.lakhani@...ive.com
Subject: Re: [PATCH 10/11] spi: dw-apb-ssi: add generic 1.03a version

On Tue, Aug 02, 2022 at 06:57:54PM +0100, Sudip Mukherjee wrote:
> From: Ben Dooks <ben.dooks@...ive.com>
> 
> Add new snps,dw-ssi-1.03a version to the bindings.
> 
> Signed-off-by: Ben Dooks <ben.dooks@...ive.com>
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ive.com>
> ---
>  Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> index 37c3c272407d..35aa04a85813 100644
> --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> @@ -45,6 +45,7 @@ properties:
>          enum:
>            - snps,dw-apb-ssi
>            - snps,dwc-ssi-1.01a

> +          - snps,dwc-ssi-1.03a

There is no point in having the IP-core versions used in the
compatible string. The controller version is retrieved from the device
CSR. Just add new generic compatible string "snps,dw-ahb-ssi" and use
it to identify your device.

-Sergey

>        - description: Microsemi Ocelot/Jaguar2 SoC SPI Controller
>          items:
>            - enum:
> -- 
> 2.30.2
>