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(93-34-88-225.ip49.fastwebnet.it. [93.34.88.225]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4500649ced5sm2154595e9.15.2025.05.27.15.39.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 May 2025 15:39:48 -0700 (PDT) Message-ID: <68363f34.050a0220.351f97.06f7@mx.google.com> X-Google-Original-Message-ID: Date: Wed, 28 May 2025 00:39:45 +0200 From: Christian Marangi To: Andrew Lunn Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , Philipp Zabel , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [net-next RFC PATCH 2/2] net: mdio: Add MDIO bus controller for Airoha AN7583 References: <20250527213503.12010-1-ansuelsmth@gmail.com> <20250527213503.12010-2-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, May 28, 2025 at 12:36:46AM +0200, Andrew Lunn wrote: > > +#define AN7583_MDIO_PHY 0xd4 > > +#define AN7583_MDIO1_SPEED_MODE BIT(11) > > +#define AN7583_MDIO0_SPEED_MODE BIT(10) > > Is there any documentation about what these bits do? The bus should > default to 2.5Mhz. > No but I can ask. In theory tho these MDIO controller are used for 10g or 2.5g PHY that all require a firmware to load so 2.5MHz makes the boot time of 2+ minute. The documentation say... 1: fast mode 0: normal mode Very useful I guess :D -- Ansuel