From nobody Wed Oct 8 07:06:37 2025 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (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 2C89E204C0F; Wed, 2 Jul 2025 06:02:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751436173; cv=none; b=d19OPuB53xhGGc9gE4sgESAC1ALYZmX+Xe/kO9e4LldQIL2/8Vq+9Bg3Yq/uh7lPPRs0VYiq/WDagbeE/ScUQ/fKdK79+ZSYSANVNueRk3JgqF02HAK4Gnt82GMm1vVZeDymYFmlehhFLIfyYpLlVO+D90AHPogZDd88/L1J51U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751436173; c=relaxed/simple; bh=Jq3CV3nhngKrhcu9DbcCG2E8PVX7qnedvVPsKfvtNFU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VsCVVadngv4kSxKjxdJjZNZc0SyhpgGU/4mkNDPR3+obR4Oq+L6icpFUTUaOOlM47LLWQmvPbNsAATsMbDEvnOLIrsMtEzfs9k6sG377ixYSJpB8yAMKFwrI3wQ+2J/Y5qmvyB0ooy8272dHJtwrSNlyaqnIOQLlCIDQ+CVOz08= 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=159.226.251.21 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 [210.73.43.2]) by APP-01 (Coremail) with SMTP id qwCowAC3pqpny2RomPduAA--.1282S5; Wed, 02 Jul 2025 14:02:17 +0800 (CST) From: Vivian Wang Date: Wed, 02 Jul 2025 14:01:42 +0800 Subject: [PATCH net-next v3 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: <20250702-net-k1-emac-v3-3-882dc55404f3@iscas.ac.cn> References: <20250702-net-k1-emac-v3-0-882dc55404f3@iscas.ac.cn> In-Reply-To: <20250702-net-k1-emac-v3-0-882dc55404f3@iscas.ac.cn> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Vivian Wang , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Vivian Wang , Lukas Bulwahn , Geert Uytterhoeven , Parthiban Veerasooran , 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: qwCowAC3pqpny2RomPduAA--.1282S5 X-Coremail-Antispam: 1UD129KBjvJXoWxWFy7AFy8Wry7XF48Kr18AFb_yoW5Kry8pa yUArs3Cr4xCw1rCwnayF9rWF4kG3WFkFyrGr9xCFWxGF4rtry7tFn0yryYqw48Zrs8ArW8 Kr48XrWxKFnrtw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Cr0_Gr1UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_GFv_Wrylc2xSY4AK67AK6r47MxAIw28IcxkI7VAKI48JMxC2 0s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI 0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE 14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2 IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0pRX6pPUUUUU= 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 --- 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 283663647a86ff137917ced8bfe79a129c86342a..37f3deeaffb987756581a956d63= 4eeb81ac20b1f 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 937b87c563a6b1e97740286c723aca52207f3f48..ce9cd8854bec8dbe48517b4ce57= cee69d4d1d2f5 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -625,6 +625,28 @@ 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 2.49.0