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 4F0CD341AB6; Fri, 5 Sep 2025 11:10:44 +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=LL9+hbMFka2fblgItaNGZHa25RMLb9TWLW90+r0pSH8GlO7+OZkzfRNt5xmXvjniODtR2ZMa4ZW+q+uc2RwxiJuhxlunihn0mmAQL6IyLBBhM/L7JayAC1fIYhktMJJZMnPu4qgiEz+hzDxJnwe6v6II61M+t2YX60utSa8e5V0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757070646; c=relaxed/simple; bh=EQWXbhs2+NcTFLOJAcUu2US3mXQ51f5l0WdRHPHMMbA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mn1CNcXQmwF0i0WeTzpJZxArGqTZS91Ee1IPRYfOvWa3XvPQCDTMk2SaPgoEyIuqnep4MhjgNfi3vwSbkRfWFtf8678AX4JqzwqfBGEb9KdDyzzzyh0KQ3CfYlMmORWVBO8NUWC4zGdegQREx3NVcXtphcr9zZubty8CaaNrn4o= 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--.1807S3; Fri, 05 Sep 2025 19:09:43 +0800 (CST) From: Vivian Wang Date: Fri, 05 Sep 2025 19:09:30 +0800 Subject: [PATCH net-next v9 1/5] dt-bindings: net: Add support for SpacemiT 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-v9-1-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, Conor Dooley X-Mailer: b4 0.14.2 X-CM-TRANSID: rQCowACnu4X1xLpoFdfLAA--.1807S3 X-Coremail-Antispam: 1UD129KBjvJXoW7Cry3WF45trW5KrW5Zr4rGrg_yoW5Jr1xpF 4fCrn3GF48KF13Jw4fXFykuF1fGw4kAF1DJrZFvw13tas5KF90qr4akryfXa4UurW8Ja43 XF1DAryDKr1DAaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm014x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxkF7I0En4kS14v26r4a6rW5MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0x vEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVj vjDU0xZFpf9x0pRlJPiUUUUU= X-CM-SenderInfo: pzdqw2pxlnt03j6l2u1dvotugofq/ The Ethernet MACs on SpacemiT K1 appears to be a custom design. SpacemiT refers to them as "EMAC", so let's just call them "spacemit,k1-emac". Signed-off-by: Vivian Wang Reviewed-by: Conor Dooley --- .../devicetree/bindings/net/spacemit,k1-emac.yaml | 81 ++++++++++++++++++= ++++ 1 file changed, 81 insertions(+) diff --git a/Documentation/devicetree/bindings/net/spacemit,k1-emac.yaml b/= Documentation/devicetree/bindings/net/spacemit,k1-emac.yaml new file mode 100644 index 0000000000000000000000000000000000000000..500a3e1daa230ea3a1fad30d8ea= 56a7822fccb3d --- /dev/null +++ b/Documentation/devicetree/bindings/net/spacemit,k1-emac.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/spacemit,k1-emac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SpacemiT K1 Ethernet MAC + +allOf: + - $ref: ethernet-controller.yaml# + +maintainers: + - Vivian Wang + +properties: + compatible: + const: spacemit,k1-emac + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + mdio-bus: + $ref: mdio.yaml# + unevaluatedProperties: false + + resets: + maxItems: 1 + + spacemit,apmu: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to syscon that controls this MAC + - description: offset of control registers + description: + A phandle to syscon with byte offset to control registers for this M= AC + +required: + - compatible + - reg + - clocks + - interrupts + - resets + - spacemit,apmu + +unevaluatedProperties: false + +examples: + - | + #include + + ethernet@cac80000 { + compatible =3D "spacemit,k1-emac"; + reg =3D <0xcac80000 0x00000420>; + clocks =3D <&syscon_apmu CLK_EMAC0_BUS>; + interrupts =3D <131>; + mac-address =3D [ 00 00 00 00 00 00 ]; + phy-handle =3D <&rgmii0>; + phy-mode =3D "rgmii-id"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&gmac0_cfg>; + resets =3D <&syscon_apmu RESET_EMAC0>; + rx-internal-delay-ps =3D <0>; + tx-internal-delay-ps =3D <0>; + spacemit,apmu =3D <&syscon_apmu 0x3e4>; + + mdio-bus { + #address-cells =3D <0x1>; + #size-cells =3D <0x0>; + + rgmii0: phy@1 { + reg =3D <0x1>; + }; + }; + }; --=20 2.50.1