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Wed, 07 Jan 2026 23:15:55 -0800 (PST) Message-ID: <6d94b650-bcdd-4e5d-a607-5285d42b26ef@tuxon.dev> Date: Thu, 8 Jan 2026 09:15:54 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ARM: dts: lan966x: Fix the access to the PHYs for pcb8290 To: Horatiu Vultur , nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251119134750.394655-1-horatiu.vultur@microchip.com> Content-Language: en-US From: claudiu beznea In-Reply-To: <20251119134750.394655-1-horatiu.vultur@microchip.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 Applied to at91-fixes, thanks!