linux-kernel - Re: [PATCH] imx8mn-var-som: dts: fix PHY detection bug by adding deassert delay

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Date:   Fri, 28 Apr 2023 09:20:01 +0200
From:   Ahmad Fatoum <a.fatoum@...gutronix.de>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] imx8mn-var-som: dts: fix PHY detection bug by adding
 deassert delay

Hello Hugo,

On 28.04.23 00:18, Hugo Villeneuve wrote:
> On Thu, 27 Apr 2023 22:16:45 +0200
> Ahmad Fatoum <a.fatoum@...gutronix.de> wrote:
>> Please also add the PHY name into the DT, e.g.:
>>
>>   ethphy: ethernet-phy@4 { /* ADIN1300 */
>>
>> I find this very useful when bringing up a new board and looking
>> for similar DTs.
> 
> Hi Ahmad,
> altough I agree it is a good idea, I prefer to not add this information for now, because there is probably some (old) versions of this SOM which use other PHY devices (maybe AR8033), but I am not 100% sure as this is not clear from the SOM manufacturer infos/website.

/* ADIN1300 on new revisions */ would work too.

Cheers,
Ahmad

> 
> Hugo.
> 

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