linux-kernel - Re: [PATCH 1/2] dt-bindings: phy: mediatek: tphy: add a property for force-mode switch

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Message-ID: <e34c2746-8e93-48b8-9c96-690242fbf6e9@linaro.org>
Date:   Sat, 25 Nov 2023 11:37:54 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Macpaul Lin <macpaul.lin@...iatek.com>
Subject: Re: [PATCH 1/2] dt-bindings: phy: mediatek: tphy: add a property for
 force-mode switch

On 25/11/2023 02:23, Chunfeng Yun wrote:
> Due to some old SoCs with shared t-phy only support force-mode switch, and
> can't use compatible to distinguish between shared and non-shared t-phy,
> add a property to supported it.
> But now prefer to use "mediatek,syscon-type" on new SoC as far as possible.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
>  Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> index 2bb91542e984..eedba5b7025e 100644
> --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> @@ -235,6 +235,12 @@ patternProperties:
>            Specify the flag to enable BC1.2 if support it
>          type: boolean
>  
> +      mediatek,force-mode:
> +        description:
> +          Use force mode to switch shared phy mode, perfer to use the bellow

I still do not understand what is the "force mode" you want to use. What
modes do you have? What are the characteristics of force mode?

Also, please run spellcheck.

Best regards,
Krzysztof