linux-kernel - Re: [PATCH 1/5] dt-bindings: mmc: imx-esdhc: Update compatible fallbacks

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Date:   Sun, 27 Mar 2022 21:26:20 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Adam Ford <aford173@...il.com>, linux-mmc@...r.kernel.org
Cc:     haibo.chen@....com, aford@...conembedded.com,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.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>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: mmc: imx-esdhc: Update compatible
 fallbacks

On 27/03/2022 14:38, Adam Ford wrote:
> The SDHC controller in the imx8mn and imx8mp have the same controller
> as the imx8mm which is slightly different than that of the imx7d.
> Using the fallback of the imx8mm enables the controllers to support
> HS400-ES which is not available on the imx7d. After discussion with NXP,
> it turns out that the imx8qm should fall back to the imx8qxp, because
> those have some additional flags not present in the imx8mm.
> 
> Suggested-by: haibo.chen@....com
> Signed-off-by: Adam Ford <aford173@...il.com>
> ---
> V2:  Added suggested-by note and imx8qxp updates.
> ---
>  .../devicetree/bindings/mmc/fsl-imx-esdhc.yaml   | 16 +++++++++-------
>  1 file changed, 9 insertions(+), 7 deletions(-)
> 

YAML and logic looks good, although I did not check the actual hardware
properties.
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>


Best regards,
Krzysztof