From nobody Wed Sep 10 01:54:41 2025 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7CDB34166E; Fri, 5 Sep 2025 11:10:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757070646; cv=none; b=hxcgjtrK+r4GB3QnR0PJJIoKW3ejPKfIY3oMFTPsEfaSTkWTH0i5Hg5P9zCVfDqFlePwFPwgmhELpFSGURthkwtYJeFNr6w20ZVMAgLE9+6Ckw+4s67Hg7n88jO1CNUwXIXFhP3F3puAoeLCE9dgrs8b8YnymFTxUj6e0/RM6gg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757070646; c=relaxed/simple; bh=JYwXZ2yQ2DNcBndTAT6ZFh53Jl3ZF9pzbFC7JU7r9Q0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TGe9jlNMzjxywiZrsJppxWyKaboivpZ+a8cJBxXsj5UUBTOei4Rk3IykNvFlfsoJ2NbR78sUKSuXvnS40dibrF1E7MxfvukPAaeP/odCSHVUI9SrXDbwFEB7JVtS/kZAsRCZ+bY3YnQSRK7kul7a6UAi7Gp7megnrittbM8OrWQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from [127.0.0.2] (unknown [114.241.87.235]) by APP-03 (Coremail) with SMTP id rQCowACnu4X1xLpoFdfLAA--.1807S5; Fri, 05 Sep 2025 19:09:44 +0800 (CST) From: Vivian Wang Date: Fri, 05 Sep 2025 19:09:32 +0800 Subject: [PATCH net-next v9 3/5] riscv: dts: spacemit: Add Ethernet support for K1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250905-net-k1-emac-v9-3-f1649b98a19c@iscas.ac.cn> References: <20250905-net-k1-emac-v9-0-f1649b98a19c@iscas.ac.cn> In-Reply-To: <20250905-net-k1-emac-v9-0-f1649b98a19c@iscas.ac.cn> To: Andrew Lunn , Jakub Kicinski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Vivian Wang , "David S. Miller" , Eric Dumazet , Paolo Abeni , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Vivian Wang , Vadim Fedorenko , Junhui Liu , Simon Horman , Maxime Chevallier , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-CM-TRANSID: rQCowACnu4X1xLpoFdfLAA--.1807S5 X-Coremail-Antispam: 1UD129KBjvJXoWxWFy7AFy8Wry7XF48Kr18AFb_yoW5KF4Dpa yUAFs3Cr4xCw1rCwnavF9rWF4kGa1FkFyrGr9xGFWxGF4rtry7tFn0yry5Xw48Zws8ArW8 Gr48XrWxKFnrtw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm214x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY1x0262kKe7AKxVW8ZVWrXwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67 kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY 6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIx AIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVF xhVjvjDU0xZFpf9x0pRl_MsUUUUU= X-CM-SenderInfo: pzdqw2pxlnt03j6l2u1dvotugofq/ Add nodes for each of the two Ethernet MACs on K1 with generic properties. Also add "gmac" pins to pinctrl config. Signed-off-by: Vivian Wang Reviewed-by: Yixun Lan --- arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 48 ++++++++++++++++++++++++= ++++ arch/riscv/boot/dts/spacemit/k1.dtsi | 22 +++++++++++++ 2 files changed, 70 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot= /dts/spacemit/k1-pinctrl.dtsi index 3810557374228100be7adab58cd785c72e6d4aed..aff19c86d5ff381881016eaa87f= c4809da65b50e 100644 --- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi @@ -11,6 +11,54 @@ #define K1_GPIO(x) (x / 32) (x % 32) =20 &pinctrl { + gmac0_cfg: gmac0-cfg { + gmac0-pins { + pinmux =3D , /* gmac0_rxdv */ + , /* gmac0_rx_d0 */ + , /* gmac0_rx_d1 */ + , /* gmac0_rx_clk */ + , /* gmac0_rx_d2 */ + , /* gmac0_rx_d3 */ + , /* gmac0_tx_d0 */ + , /* gmac0_tx_d1 */ + , /* gmac0_tx */ + , /* gmac0_tx_d2 */ + , /* gmac0_tx_d3 */ + , /* gmac0_tx_en */ + , /* gmac0_mdc */ + , /* gmac0_mdio */ + , /* gmac0_int_n */ + ; /* gmac0_clk_ref */ + + bias-pull-up =3D <0>; + drive-strength =3D <21>; + }; + }; + + gmac1_cfg: gmac1-cfg { + gmac1-pins { + pinmux =3D , /* gmac1_rxdv */ + , /* gmac1_rx_d0 */ + , /* gmac1_rx_d1 */ + , /* gmac1_rx_clk */ + , /* gmac1_rx_d2 */ + , /* gmac1_rx_d3 */ + , /* gmac1_tx_d0 */ + , /* gmac1_tx_d1 */ + , /* gmac1_tx */ + , /* gmac1_tx_d2 */ + , /* gmac1_tx_d3 */ + , /* gmac1_tx_en */ + , /* gmac1_mdc */ + , /* gmac1_mdio */ + , /* gmac1_int_n */ + ; /* gmac1_clk_ref */ + + bias-pull-up =3D <0>; + drive-strength =3D <21>; + }; + }; + uart0_2_cfg: uart0-2-cfg { uart0-2-pins { pinmux =3D , diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index abde8bb07c95c5a745736a2dd6f0c0e0d7c696e4..7b2ac3637d6d9fa1929418cc68a= a25c57850ac7f 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -805,6 +805,28 @@ network-bus { #size-cells =3D <2>; dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, <0x0 0x80000000 0x1 0x00000000 0x0 0x80000000>; + + eth0: ethernet@cac80000 { + compatible =3D "spacemit,k1-emac"; + reg =3D <0x0 0xcac80000 0x0 0x420>; + clocks =3D <&syscon_apmu CLK_EMAC0_BUS>; + interrupts =3D <131>; + mac-address =3D [ 00 00 00 00 00 00 ]; + resets =3D <&syscon_apmu RESET_EMAC0>; + spacemit,apmu =3D <&syscon_apmu 0x3e4>; + status =3D "disabled"; + }; + + eth1: ethernet@cac81000 { + compatible =3D "spacemit,k1-emac"; + reg =3D <0x0 0xcac81000 0x0 0x420>; + clocks =3D <&syscon_apmu CLK_EMAC1_BUS>; + interrupts =3D <133>; + mac-address =3D [ 00 00 00 00 00 00 ]; + resets =3D <&syscon_apmu RESET_EMAC1>; + spacemit,apmu =3D <&syscon_apmu 0x3ec>; + status =3D "disabled"; + }; }; =20 pcie-bus { --=20 2.50.1