From nobody Fri Oct 10 17:59:13 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 6FB401EEA5D; Fri, 13 Jun 2025 02:20:04 +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=1749781206; cv=none; b=U2mZtQBqmlRbNv36W9fWGCnUf4u0S3mVJjS9a4P3t5TEn6Cbf7awS0QurgSaBegMGGqAiFDLq1Ib2pReCPzvClMzOnsN4wASBUke7D591EljewtiH5sOqo1ES7zQs/FGukF9OKQdKht5vcVwO3sj+TfFxvKbHRu2PdB+rN8ajpU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749781206; c=relaxed/simple; bh=UgyT9j3cebbq/AEom9+OrJNg8D4y6n9rhoReUWyeVFU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kHG6liiazDrVdbmZI+wna8D83NAHp+cwT0eOYZWYknno6AYFHmpLVFpXbPMk7Hi/Cs31nqumWgPOixMdIif6/KdX7ESnNnzHGbvj+hZ55CgA5wIR39qPInGf2BFic/5491DkbSAQMgy9W8jH1xY9CbBTbv4WXGgCS6YokzHS+Dc= 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 qwCowABXB9aviktoIvMtBg--.44541S3; Fri, 13 Jun 2025 10:19:28 +0800 (CST) From: Vivian Wang Date: Fri, 13 Jun 2025 10:15:07 +0800 Subject: [PATCH net-next 1/4] 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: <20250613-net-k1-emac-v1-1-cc6f9e510667@iscas.ac.cn> References: <20250613-net-k1-emac-v1-0-cc6f9e510667@iscas.ac.cn> In-Reply-To: <20250613-net-k1-emac-v1-0-cc6f9e510667@iscas.ac.cn> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Richard Cochran , Philipp Zabel , Russell King , Vivian Wang Cc: Vivian Wang , 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: qwCowABXB9aviktoIvMtBg--.44541S3 X-Coremail-Antispam: 1UD129KBjvJXoW7Cry3WF45WFyfJw1UAF1DJrb_yoW8KF47pF Z3Crs3Gr48KF13Jw4fXFykuF1fGws5AF1DGwsFvw13tas5KF90qr4akryfX3WUurW8Ja43 XF1DAryDKr1DAaUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQE14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWUuVWrJwAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26F4UJVW0 owAaw2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I 8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCF s4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFI xGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI0_GFv_Wrylc2xSY4AK67AK6r4UMxAI w28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr 1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0pRleHhUUUUU= 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 2.49.0