linux-kernel - Re: [PATCH v3 3/4] dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G3 support

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Date: Thu, 21 Mar 2024 18:53:34 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Wadim Mueller <wafgo01@...il.com>
Cc: Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Jiri Slaby <jirislaby@...nel.org>, Chester Lin <chester62515@...il.com>,
 Andreas Färber <afaerber@...e.de>,
 Matthias Brugger <mbrugger@...e.com>, NXP S32 Linux Team <s32@....com>,
 Tim Harvey <tharvey@...eworks.com>, Marco Felsch <m.felsch@...gutronix.de>,
 Gregor Herburger <gregor.herburger@...tq-group.com>,
 Marek Vasut <marex@...x.de>,
 Joao Paulo Goncalves <joao.goncalves@...adex.com>,
 Markus Niebel <Markus.Niebel@...tq-group.com>,
 Matthias Schiffer <matthias.schiffer@...group.com>,
 Stefan Wahren <stefan.wahren@...rgebyte.com>,
 Bjorn Helgaas <bhelgaas@...gle.com>,
 Philippe Schenker <philippe.schenker@...adex.com>,
 Yannic Moog <y.moog@...tec.de>, Li Yang <leoyang.li@....com>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-serial@...r.kernel.org
Subject: Re: [PATCH v3 3/4] dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G3
 support

On 21/03/2024 16:41, Wadim Mueller wrote:
> Add a compatible string for the SDHC binding of NXP S32G3 platforms. Here
> we use "nxp,s32g2-usdhc" as fallback since the s32g2-usdhc
> driver works also on S32G3 platforms.
> 
> Signed-off-by: Wadim Mueller <wafgo01@...il.com>
> ---
>  Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> index 82eb7a24c857..b42b4368fa4e 100644
> --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> @@ -35,6 +35,7 @@ properties:
>            - fsl,imx8mm-usdhc
>            - fsl,imxrt1050-usdhc
>            - nxp,s32g2-usdhc
> +          - nxp,s32g3-usdhc
>        - items:
>            - const: fsl,imx50-esdhc
>            - const: fsl,imx53-esdhc
> @@ -90,6 +91,9 @@ properties:
>            - enum:
>                - fsl,imxrt1170-usdhc
>            - const: fsl,imxrt1050-usdhc
> +      - items:
> +          - const: nxp,s32g3-usdhc
> +          - const: nxp,s32g2-usdhc

No, that's just wrong. G3 is not and is compatible with G2? There is no
dualism here. Either it is or it is not. Not both.

Best regards,
Krzysztof