linux-kernel - Re: [PATCH 2/3] arm64: dts: imx8ulp: Add the fec support

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Date:   Mon, 4 Jul 2022 10:12:48 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc:     Wei Fang <wei.fang@....com>, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, aisheng.dong@....com,
        devicetree@...r.kernel.org, peng.fan@....com, ping.bai@....com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx@....com, kernel@...gutronix.de, sudeep.holla@....com,
        festevam@...il.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] arm64: dts: imx8ulp: Add the fec support

> > +				clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
> > +					 <&pcc4 IMX8ULP_CLK_ENET>,
> > +					 <&cgc1 IMX8ULP_CLK_ENET_TS_SEL>,
> > +					 <&clock_ext_rmii>;
> > +				clock-names = "ipg", "ahb", "ptp", "enet_clk_ref";
> 
> I think the default should be the other way round, assume MAC to provide reference
> clock and allow override on board-level if PHY does it instead.

I would make it the same as all the other instances of FEC in the
IMX7, IMX6, IMX5, IMX4, Vybrid etc

      Andrew