From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com [209.85.221.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5E45411A17 for ; Sat, 10 Oct 2026 10:59:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791629957; cv=none; b=MbqvXNtyPjRVvDfaDefnLlZa+0zORfI3IZ9XfeWfcIhz2SClAPhOezYAf73rruIZVOEKZBHhpc3aFlLa3dvR79DBBCTkVhFcq43UU/iBSjCUX+gOMABRKC989D6C1UvnKvJqVOOhmMYv1rcxF7NYlZqmnDCZhPdLgz5SrxMpjqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791629957; c=relaxed/simple; bh=E50djWjs9HzrIwMAPSAgWNboiugZf7l9Qt9MucnhH9k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t6IeRJ8sEoJpForQ0wtM6lpWnMV+imoQpGohE0HDbblCO0PV+/vBDfoAv9TVz7B71fRcBaiQPNdnbSH9y1fIq50PN/tYRoV+OyZem4BS9ZQrjZrwZNUsm59to1pRMZwyoJr7NVVSJ0I2HqTXirQbAZ8oFW5GhNbQg9ZV6DS86GI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.221.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wr1-f50.google.com with SMTP id ffacd0b85a97d-48c4649b35bso447261f8f.3 for ; Sat, 10 Oct 2026 03:59:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791629950; x=1792234750; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ElpMWQpElxyvYVfod7vt+zc/cJPBYXPVQKctc5VqWXw=; b=0auntrcI2fKBOfmoKj+kIygGWLIWJ96jtWCqV/Ezc/lZK4cy8XTVPPWhg30Stz5ai7 0YeGeDF+5o7DXNm0kxjERLdSsoJxcPxM4j2Cdr8VApoL6PzjQrVXiGoCffRPRzrvEClM o7P6/0oduRopA+9mVQZy196e8pqylXr2h90KGILLGtMZa8KkSoGdk+Ie55XISLrFVRQ1 pmthfDfGoqPdxKcPf/LclJHCMV6XqQYC5imJDPAt5jElyt25SGt5rS/etRarrUxfxglI Lakuz4tb4PIi340nyzkG2X9cfCV2PLHOguV/fOpvx/vvWDpsaJPydWuYv0ECbX/he5h6 BiOw== X-Gm-Message-State: AFq9FYIRM+TuBBwDalsKUYdEA2stzd+qX1n3PPnvdzZAZ4BPLzDfpgYX JKv8mEvPlPZTHfUpx4RC31OLG4R4i8ACWv1dtCSLBE+C9YEFYw64kx3J X-Gm-Gg: AYBFou2XjNjJBBHWN0pqFqTgwx16s1vtB9Ivhun2J9uwULOeWhqHc5Qhfju7eg155UJ dXrEx7TptJIysotjx6ikDrzFyKO+DVQ49mRGiFzX1ECzUdqWpBDQgSoLTYxXJC3CkdzfmInpl+B 1Kez9W018EC0i3N6maGs6O2C+Td7+UDOElUAYx2N0R/7gZoFaNwxy26OyRUe2SUQqgVbWhSPQiR 5bAKKI4vs8kQePRoBJCnQbJi7Y/BwOOZB6V9EzTfWLFmBL/rSFrqgktFEEnsu0A/FY+dtP6q3ff peA1ZaZm1ewl90C28xKd3CgxGTtjIPI9UMUzl9GUFS7pfYFR6jJreAbeEL1/2McgICesktCvwav zJN9ciKnbVsNrDJ4iL7gV7ti38Inz20Ca4uHncpf7BsxZ/z0J/8VCEMhjkm5a59nsmn55txBZ6f REpvBST7Ng5OF3NmIlqWaoN/6UOBs9cJFLzNTY04OMsj9bGfaqgLfy2bf4tHtLNCE+hV8+KAW4A LsvNzOQrv95joX0fK/kmf2nIi1obTZ7F/Q= X-Received: by 2002:adf:e011:0:20b0:488:57ad:d5c8 with SMTP id ffacd0b85a97d-48dba787c28mr6104337f8f.3.1791629950054; Sat, 10 Oct 2026 03:59:10 -0700 (PDT) Received: from threads.localdomain ([84.70.176.222]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48db9ae17e9sm8709526f8f.57.2026.10.10.03.59.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Oct 2026 03:59:09 -0700 (PDT) From: Lucas Tanure To: xianwei.zhao@amlogic.com, Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Maxime Chevallier , Maxime Coquelin , Alexandre Torgue Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 6/8] arm64: dts: amlogic: t7: add the ethernet controller Date: Sat, 10 Oct 2026 11:58:58 +0100 Message-ID: <20261010105900.247342-7-tanure@linux.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261010105900.247342-1-tanure@linux.com> References: <20261010105900.247342-1-tanure@linux.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SoC has a Synopsys gigabit MAC, glue registers for the interface type and clock timing, and a multiplexer that points the management bus at the on-chip 100M PHY or the external pins. None of it was described. The controller reaches memory through a pipeline stage with its own gate that nothing else claims, so it is switched off as unused. The glue registers share a clock with the multiplexer, which probes only after the controller has programmed them: unless the controller holds that clock itself, the writes are lost and the port keeps the bootloader's delays. The on-chip PHY follows the G12A; no board in tree uses it, so it is untested. It stays disabled for boards to enable. Assisted-by: LLM Signed-off-by: Lucas Tanure --- arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 58 +++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi index 7bd53ec16607..94ea22514501 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi @@ -250,6 +250,33 @@ gic: interrupt-controller@fff01000 { interrupts = ; }; + ethmac: ethernet@fdc00000 { + compatible = "amlogic,t7-dwmac", + "snps,dwmac-5.10a", + "snps,dwmac"; + reg = <0x0 0xfdc00000 0x0 0x10000>, + <0x0 0xfe024000 0x0 0x8>; + interrupts = ; + interrupt-names = "macirq"; + clocks = <&clkc_periphs CLKID_SYS_ETH>, + <&scmi_clk CLKID_FCLK_DIV2>, + <&mpll CLKID_MPLL2>, + <&clkc_periphs CLKID_SYS_AMPIPE_ETH>, + <&clkc_periphs CLKID_SYS_ETHPHY>; + clock-names = "stmmaceth", "clkin0", "clkin1", "pipeline", + "pclk"; + power-domains = <&pwrc PWRC_T7_ETH_ID>; + rx-fifo-depth = <4096>; + tx-fifo-depth = <2048>; + status = "disabled"; + + mdio0: mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + apb4: bus@fe000000 { compatible = "simple-bus"; reg = <0x0 0xfe000000 0x0 0x480000>; @@ -645,6 +672,37 @@ gpio_intc: interrupt-controller@4080 { <10 11 12 13 14 15 16 17 18 19 20 21>; }; + eth_phy: mdio-multiplexer@28000 { + compatible = "amlogic,g12a-mdio-mux"; + reg = <0x0 0x28000 0x0 0xa4>; + clocks = <&clkc_periphs CLKID_SYS_ETHPHY>, + <&xtal>, + <&scmi_clk CLKID_FCLK_50M>; + clock-names = "pclk", "clkin0", "clkin1"; + mdio-parent-bus = <&mdio0>; + #address-cells = <1>; + #size-cells = <0>; + + ext_mdio: mdio@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + int_mdio: mdio@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + internal_ephy: ethernet-phy@8 { + compatible = "ethernet-phy-id0180.3301", + "ethernet-phy-ieee802.3-c22"; + interrupts = ; + reg = <8>; + }; + }; + }; + uart_a: serial@78000 { compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; reg = <0x0 0x78000 0x0 0x18>; -- 2.56.0