From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [80.241.56.152]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6595A2E5B08 for ; Tue, 12 Aug 2025 08:30:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754987420; cv=none; b=FiUm7+JCiTU8RA08sByOnwkGhYfcKhGekvaKFZNhPO9I2JuE8aNxMwJ+BEtjv3uokxF7N+2F7/VV75X1Wd4663qyqm71FofJD8xhVQTwTfSYcwvk6NRKUf/ujmJ8XmC8P3nFz56zVisKwVoCy5+ovdbrV2pGaengNmmsBkEeFYs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754987420; c=relaxed/simple; bh=P+J5LkwWxBvtGaRSYm0LJFnPsKOAf0BnUiVWYm8YRTU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FbekXM44Lm5Z1cL0WLSofHbnmCkDVU2F42SmFrZYw61cQl11vLj78ZKgxx7wwncZlsxRne8qbQ2K6hUV1J2Pp0/5NE3hOi3P0uvTcikydW3N2PmcxkJh203e95SFHj01UVfnIRJlKg6xN2J3I+iBDcgAkNupIybvn4dFJp88D+4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=eMxtXVGg; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=aOLcchdn; arc=none smtp.client-ip=80.241.56.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="eMxtXVGg"; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="aOLcchdn" Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:b231:465::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4c1Pp043Yfz9tyS; Tue, 12 Aug 2025 10:30:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1754987416; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QN/0yxQN/1iqkhAXLnIQOB+RSTw+5oQHa4pjTfvku1E=; b=eMxtXVGgIDdUWP9nda/TSrdGaYSus1dHGTiMnVQIjy0+MKMlbyoVNTyeQMfprtxSS4JkC1 wCObD7D6MtaOdD/TCxIEaTpW1roBBdt4X9ir52IOq5fjvXCNcz4qmegfJieAdmpkrA7jWI MaxUqduLZ7bL9HTavXbIRgAWL0JotRCM8bERrXpykrr4GJbMyLzXspObE+9b5Ki+SgGQtr gNPG5hdKWfw7mQv5zQbSSNvqxd0/VWceEOz1yg2gvPepzT0xhVDwjnpcAZE3QWMeJypJAP /cQLR18YB171xpaiF/EW9W24VwsCpmVNwVr3SNOQRYoQLBAiT6UaOgCzBNGB9g== Authentication-Results: outgoing_mbo_mout; dkim=pass header.d=mailbox.org header.s=mail20150812 header.b=aOLcchdn; spf=pass (outgoing_mbo_mout: domain of lukasz.majewski@mailbox.org designates 2001:67c:2050:b231:465::2 as permitted sender) smtp.mailfrom=lukasz.majewski@mailbox.org From: Lukasz Majewski DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1754987414; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QN/0yxQN/1iqkhAXLnIQOB+RSTw+5oQHa4pjTfvku1E=; b=aOLcchdnj9nEFDzww2jLZiTK9SPefeMdwVB0xww0+DPDU4QJ23c6+Bh8WIh3ons2Dficgn zbPzOesQZDyYzpQzFXYuqoT053u3wceAKTIn9Jbd5gGnlKi54vfH3fYPCVrBSgkiqwLPNW iQ/CnS7SKyC+y4U+XPV92ivVhsTB3N51lgdBizKS+vHYhz5uBXpd5XAb6+x4cg3NUSMNsI 9RCjZEf2seWzOk3MFjJxGSSYb+/TGXWVZWVUk//bui2IabDuoFLh2DQWUgRcw1/vjYfdy8 eRmrwJ8gq7QBARLLW9GFsdBEeBBcLVxzBrE/aPJFieJ5tnjW2ubA0L7cEWrevA== 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 RESEND v17 01/12] dt-bindings: net: Add MTIP L2 switch description Date: Tue, 12 Aug 2025 10:29:28 +0200 Message-Id: <20250812082939.541733-2-lukasz.majewski@mailbox.org> In-Reply-To: <20250812082939.541733-1-lukasz.majewski@mailbox.org> References: <20250812082939.541733-1-lukasz.majewski@mailbox.org> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MBO-RS-META: ru1xtk7owy4rbexgwo1t411xuqkn1mhu X-MBO-RS-ID: 60a95b0c54416c723c3 X-Rspamd-Queue-Id: 4c1Pp043Yfz9tyS 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