linux-kernel - Re: [PATCH net-next v5 4/6] arm64: dts: allwinner: a527: cubie-a5e: Enable second Ethernet port

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Message-ID: <45ec4777-51c5-4ed4-a1a9-568c3c027482@lunn.ch>
Date: Fri, 12 Sep 2025 22:49:08 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Chen-Yu Tsai <wens@...nel.org>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej@...nel.org>,
	Samuel Holland <samuel@...lland.org>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Andre Przywara <andre.przywara@....com>,
	Jernej Skrabec <jernej.skrabec@...il.com>
Subject: Re: [PATCH net-next v5 4/6] arm64: dts: allwinner: a527: cubie-a5e:
 Enable second Ethernet port

On Fri, Sep 12, 2025 at 01:40:30AM +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
> 
> On the Radxa Cubie A5E board, the second Ethernet controller, aka the
> GMAC200, is connected to a second external Maxio MAE0621A PHY. The PHY
> uses an external 25MHz crystal, and has the SoC's PJ16 pin connected to
> its reset pin.
> 
> Enable the second Ethernet port. Also fix up the label for the existing
> external PHY connected to the first Ethernet port. An enable delay for the
> PHY supply regulator is added to make sure the PHY's internal regulators
> are fully powered and the PHY is operational.
> 
> Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew