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[178.79.73.218]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3ee074121b2sm24139332f8f.27.2025.09.23.07.22.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Sep 2025 07:22:28 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Chen-Yu Tsai Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Andre Przywara Subject: Re: [PATCH net-next v7 2/6] net: stmmac: Add support for Allwinner A523 GMAC200 Date: Tue, 23 Sep 2025 16:22:26 +0200 Message-ID: <2797545.mvXUDI8C0e@jernej-laptop> In-Reply-To: <20250923140247.2622602-3-wens@kernel.org> References: <20250923140247.2622602-1-wens@kernel.org> <20250923140247.2622602-3-wens@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_072231_737586_BFD8530A X-CRM114-Status: GOOD ( 14.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne torek, 23. september 2025 ob 16:02:42 Srednjeevropski poletni =C4=8Das = je Chen-Yu Tsai napisal(a): > From: Chen-Yu Tsai >=20 > The Allwinner A523 SoC family has a second Ethernet controller, called > the GMAC200 in the BSP and T527 datasheet, and referred to as GMAC1 for > numbering. This controller, according to BSP sources, is fully > compatible with a slightly newer version of the Synopsys DWMAC core. > The glue layer around the controller is the same as found around older > DWMAC cores on Allwinner SoCs. The only slight difference is that since > this is the second controller on the SoC, the register for the clock > delay controls is at a different offset. Last, the integration includes > a dedicated clock gate for the memory bus and the whole thing is put in > a separately controllable power domain. >=20 > Add a new driver for this hardware supporting the integration layer. >=20 > Signed-off-by: Chen-Yu Tsai Reviewed-by: Jernej Skrabec Best regards, Jernej