From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A4CECC87FCE for ; Sun, 27 Jul 2025 10:07:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pgAuU1w+qadYVpknwB4tvolA7yZlJMHj4wJ1fNZp6FY=; b=CRo2JXbNdX/ZU8loPeq3+lDjux 5pVEg0dFe5K0WzM3EAzb7RoIetsyLMMYgwlEOh5Auah4G0ymPyI+s7cuznSupAc9ysT5cBFkyPdvm qhF/r/n42DUw4ElKVa0rXJdwia5CKhRlzB+MgItH2H1utBrcqd9fpFgvZFc3tDTcdsqolHDR7jC1/ CehQc6wLE+N8U8yjMbvmBue3T6NiP6v9zzfdiAe3PAghMfSFkVomLfFmmC3E+DStj/s6W6KwSX1Nl KEHxfZY58qheNIPq6r+0ABzJTQjzUAxoNxtSVHB+mDMsTIkwGjO7EbnV5xFD2TxyxdDvsTXltZbM+ GDccOuKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ufyHd-0000000Caem-22iK; Sun, 27 Jul 2025 10:07:09 +0000 Received: from mx.denx.de ([2a03:4000:64:cc:545d:19ff:fe05:8172]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ufyCb-0000000CZa2-13jT for linux-arm-kernel@lists.infradead.org; Sun, 27 Jul 2025 10:01:58 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 580361038C128; Sun, 27 Jul 2025 12:01:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=mx-20241105; t=1753610515; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=pgAuU1w+qadYVpknwB4tvolA7yZlJMHj4wJ1fNZp6FY=; b=cRpC6V2QcBeCBCln8rd7qOCzJsiuItDSyPp0+xJBcmhbpwUBBzsD1Kc085OOKi2+iWz3m1 mfWA6AfZoLgOnWOcWZhGAtwsaRewQszRtNG6d6eTW8PPPkHPdldzfpouKYa1gefW8LcnZB 0xbvr20JAyXgdrviXnJSoLYlkTlxK8iKUcSedx/kgB+00Y9ohCL/mLWbetA1/BUvMAA3db YVqj1DzHCuEY5wPc0iQqvgEJucnb9da8DDaMc+Vank6tX1y3JdtLFVWab/J3zxN9Kr0fom /1xA0nffqb0fFuCFBQH3vjY7DL7JjAWegebpKCnVTatwBiDKW8JvuVcEFC7z2Q== From: Lukasz Majewski To: Andrew Lunn , davem@davemloft.net, Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo Cc: Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Richard Cochran , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Stefan Wahren , Simon Horman , Lukasz Majewski Subject: [net-next v17 01/12] dt-bindings: net: Add MTIP L2 switch description Date: Sun, 27 Jul 2025 12:01:17 +0200 Message-Id: <20250727100128.1411514-2-lukma@denx.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250727100128.1411514-1-lukma@denx.de> References: <20250727100128.1411514-1-lukma@denx.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250727_030157_580417_C6AFB84F X-CRM114-Status: GOOD ( 15.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch provides description of the MTIP L2 switch available in some NXP's SOCs - e.g. imx287. Signed-off-by: Lukasz Majewski Reviewed-by: Stefan Wahren Reviewed-by: Rob Herring (Arm) --- Changes for v2: - Rename the file to match exactly the compatible (nxp,imx287-mtip-switch) Changes for v3: - Remove '-' from const:'nxp,imx287-mtip-switch' - Use '^port@[12]+$' for port patternProperties - Drop status = "okay"; - Provide proper indentation for 'example' binding (replace 8 spaces with 4 spaces) - Remove smsc,disable-energy-detect; property - Remove interrupt-parent and interrupts properties as not required - Remove #address-cells and #size-cells from required properties check - remove description from reg: - Add $ref: ethernet-switch.yaml# Changes for v4: - Use $ref: ethernet-switch.yaml#/$defs/ethernet-ports and remove already referenced properties - Rename file to nxp,imx28-mtip-switch.yaml Changes for v5: - Provide proper description for 'ethernet-port' node Changes for v6: - Proper usage of $ref: ethernet-switch.yaml#/$defs/ethernet-ports/patternProperties when specifying the 'ethernet-ports' property - Add description and check for interrupt-names property Changes for v7: - Change switch interrupt name from 'mtipl2sw' to 'enet_switch' Changes for v8: - None Changes for v9: - Add GPIO_ACTIVE_LOW to reset-gpios mdio phandle Changes for v10: - None Changes for v11: - None Changes for v12: - Remove 'label' from required properties - Move the reference to $ref: ethernet-switch.yaml#/$defs/ethernet-ports the proper place (under 'allOf:') Changes for v13 - v17: - None --- .../bindings/net/nxp,imx28-mtip-switch.yaml | 150 ++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml diff --git a/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml new file mode 100644 index 000000000000..6a07dcd119ea --- /dev/null +++ b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nxp,imx28-mtip-switch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP SoC Ethernet Switch Controller (L2 MoreThanIP switch) + +maintainers: + - Lukasz Majewski + +description: + The 2-port switch ethernet subsystem provides ethernet packet (L2) + communication and can be configured as an ethernet switch. It provides the + reduced media independent interface (RMII), the management data input + output (MDIO) for physical layer device (PHY) management. + +allOf: + - $ref: ethernet-switch.yaml#/$defs/ethernet-ports + +properties: + compatible: + const: nxp,imx28-mtip-switch + + reg: + maxItems: 1 + + phy-supply: + description: + Regulator that powers Ethernet PHYs. + + clocks: + items: + - description: Register accessing clock + - description: Bus access clock + - description: Output clock for external device - e.g. PHY source clock + - description: IEEE1588 timer clock + + clock-names: + items: + - const: ipg + - const: ahb + - const: enet_out + - const: ptp + + interrupts: + items: + - description: Switch interrupt + - description: ENET0 interrupt + - description: ENET1 interrupt + + interrupt-names: + items: + - const: enet_switch + - const: enet0 + - const: enet1 + + pinctrl-names: true + + ethernet-ports: + type: object + additionalProperties: true + + patternProperties: + '^ethernet-port@[12]$': + type: object + additionalProperties: true + properties: + reg: + items: + - enum: [1, 2] + description: MTIP L2 switch port number + + required: + - reg + - phy-mode + - phy-handle + + mdio: + type: object + $ref: mdio.yaml# + unevaluatedProperties: false + description: + Specifies the mdio bus in the switch, used as a container for phy nodes. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - mdio + - ethernet-ports + +unevaluatedProperties: false + +examples: + - | + #include + #include + switch@800f0000 { + compatible = "nxp,imx28-mtip-switch"; + reg = <0x800f0000 0x20000>; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>, <&mac1_pins_a>; + phy-supply = <®_fec_3v3>; + interrupts = <100>, <101>, <102>; + interrupt-names = "enet_switch", "enet0", "enet1"; + clocks = <&clks 57>, <&clks 57>, <&clks 64>, <&clks 35>; + clock-names = "ipg", "ahb", "enet_out", "ptp"; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + mtip_port1: ethernet-port@1 { + reg = <1>; + label = "lan0"; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-mode = "rmii"; + phy-handle = <ðphy0>; + }; + + mtip_port2: ethernet-port@2 { + reg = <2>; + label = "lan1"; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-mode = "rmii"; + phy-handle = <ðphy1>; + }; + }; + + mdio_sw: mdio { + #address-cells = <1>; + #size-cells = <0>; + + reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; + reset-delay-us = <25000>; + reset-post-delay-us = <10000>; + + ethphy0: ethernet-phy@0 { + reg = <0>; + }; + + ethphy1: ethernet-phy@1 { + reg = <1>; + }; + }; + }; -- 2.39.5