linux-kernel - Re: [PATCH] ARM: dts: lan966x: Fix the access to the PHYs for pcb8290

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Message-ID: <6d94b650-bcdd-4e5d-a607-5285d42b26ef@tuxon.dev>
Date: Thu, 8 Jan 2026 09:15:54 +0200
From: claudiu beznea <claudiu.beznea@...on.dev>
To: Horatiu Vultur <horatiu.vultur@...rochip.com>,
 nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: lan966x: Fix the access to the PHYs for pcb8290



On 11/19/25 15:47, Horatiu Vultur wrote:
> The problem is that the MDIO controller can't detect any of the PHYs.
> The reason is that the lan966x is not pulling high the GPIO 53 that is
> connected to the PHYs reset GPIO. Without doing this the PHYs are kept
> in reset. The mdio controller framework has the possiblity to control a
> GPIO to release the reset of the PHYs. So take advantage of this and set
> line to be high before accessing the PHYs.
> 
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>

Applied to at91-fixes, thanks!