From patchwork Fri Feb 4 17:44:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasanna Vengateshan X-Patchwork-Id: 12735337 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5646C433FE for ; Fri, 4 Feb 2022 17:45:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377141AbiBDRpZ (ORCPT ); Fri, 4 Feb 2022 12:45:25 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:43976 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377101AbiBDRpQ (ORCPT ); Fri, 4 Feb 2022 12:45:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1643996716; x=1675532716; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qtR6rDO6i3UogDnj1DsNPKjMyu4dRq3oj25IBwic0AI=; b=oMvVQY9b01Qvx+Gri2WtPpnpt8JwqwpwPsh2ALkQ6P7YOnnsqjIBArOA 2sWKhT2wY+Y1CLmTPREW8OJBDdzPb7qGOSBEee7AWHCTG8Uw0Lk2ARQqX Z6/jMq9d0drIS6xeiPdlDg/7zlXvtYLojr++SdkV1eG+T89uDW0etIhF9 6ZGDAkP37P2zjy2pEJ+xbCO9/8Luzo0juVEL1Byd5VZQUoFMfjrflZr2j +bycc0y34Mld7uaREUDvigXdTwAR08A/yfsJCxHQ/EWQICVqd9aFLcw3H Aa53cXbZQrjHoQ/hgQdpUV0I8Emh/Acuu/tnlrLnAS/TeffkwIiVAStCN A==; IronPort-SDR: 1rqg61RJLvR0eXfI/HXoFzAUa4PUlZPEIsk3GQGb5CuzZMQ90x89pccYfG7F1p8anju08wBGGi pO3ioseOyOFDua9aSTwFXw2Cy1z7XLPDvboFFmQD23Sd7DZkeXP/FfgZR6+LggLc3lG6rShfIp wkEP8N9Hmv7VZzg8NT1ntwrLEHVu5PWWKURYqJISPCz5HkbGY6O+PG9ljPZBzfWegdNlqFPvVs QERqrznZwzpsCV3KBlnK2t/5aFEP1T502sWcBZzaEX6d6dDi+FFcwgvj+iiRj5D4v15Eqvagm8 9/9vRqTnGGZ6To+0YeLG7gaf X-IronPort-AV: E=Sophos;i="5.88,343,1635231600"; d="scan'208";a="84716114" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 04 Feb 2022 10:45:15 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 4 Feb 2022 10:45:15 -0700 Received: from CHE-LT-I21427LX.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Fri, 4 Feb 2022 10:45:10 -0700 From: Prasanna Vengateshan To: , , , CC: , , , , , , , , , Subject: [PATCH v7 net-next 01/10] dt-bindings: net: dsa: dt bindings for microchip lan937x Date: Fri, 4 Feb 2022 23:14:51 +0530 Message-ID: <20220204174500.72814-2-prasanna.vengateshan@microchip.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220204174500.72814-1-prasanna.vengateshan@microchip.com> References: <20220204174500.72814-1-prasanna.vengateshan@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Documentation in .yaml format and updates to the MAINTAINERS Also 'make dt_binding_check' is passed. RGMII internal delay values for the mac is retrieved from rx-internal-delay-ps & tx-internal-delay-ps as per the feedback from v3 patch series. https://lore.kernel.org/netdev/20210802121550.gqgbipqdvp5x76ii@skbuf/ It supports only the delay value of 0ns and 2ns. Signed-off-by: Prasanna Vengateshan Reviewed-by: Rob Herring --- .../bindings/net/dsa/microchip,lan937x.yaml | 179 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 180 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml new file mode 100644 index 000000000000..5657a0b89e4e --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml @@ -0,0 +1,179 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LAN937x Ethernet Switch Series Tree Bindings + +maintainers: + - UNGLinuxDriver@microchip.com + +allOf: + - $ref: dsa.yaml# + +properties: + compatible: + enum: + - microchip,lan9370 + - microchip,lan9371 + - microchip,lan9372 + - microchip,lan9373 + - microchip,lan9374 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 50000000 + + reset-gpios: + description: Optional gpio specifier for a reset line + maxItems: 1 + + mdio: + $ref: /schemas/net/mdio.yaml# + unevaluatedProperties: false + +patternProperties: + "^(ethernet-)?ports$": + patternProperties: + "^(ethernet-)?port@[0-7]+$": + allOf: + - if: + properties: + phy-mode: + contains: + enum: + - rgmii + - rgmii-rxid + - rgmii-txid + - rgmii-id + then: + properties: + rx-internal-delay-ps: + $ref: "#/$defs/internal-delay-ps" + tx-internal-delay-ps: + $ref: "#/$defs/internal-delay-ps" + +required: + - compatible + - reg + +$defs: + internal-delay-ps: + description: Delay is in pico seconds + enum: [0, 2000] + default: 0 + +unevaluatedProperties: false + +examples: + - | + #include + + //Ethernet switch connected via spi to the host + ethernet { + #address-cells = <1>; + #size-cells = <0>; + + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + + lan9374: switch@0 { + compatible = "microchip,lan9374"; + reg = <0>; + + spi-max-frequency = <44000000>; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + label = "lan1"; + phy-mode = "internal"; + phy-handle = <&t1phy0>; + }; + port@1 { + reg = <1>; + label = "lan2"; + phy-mode = "internal"; + phy-handle = <&t1phy1>; + }; + port@2 { + reg = <2>; + label = "lan4"; + phy-mode = "internal"; + phy-handle = <&t1phy2>; + }; + port@3 { + reg = <3>; + label = "lan6"; + phy-mode = "internal"; + phy-handle = <&t1phy3>; + }; + port@4 { + reg = <4>; + phy-mode = "rgmii"; + ethernet = <ðernet>; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + port@5 { + reg = <5>; + label = "lan7"; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + port@6 { + reg = <6>; + label = "lan5"; + phy-mode = "internal"; + phy-handle = <&t1phy4>; + }; + port@7 { + reg = <7>; + label = "lan3"; + phy-mode = "internal"; + phy-handle = <&t1phy5>; + }; + }; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + t1phy0: ethernet-phy@0{ + reg = <0x0>; + }; + t1phy1: ethernet-phy@1{ + reg = <0x1>; + }; + t1phy2: ethernet-phy@2{ + reg = <0x2>; + }; + t1phy3: ethernet-phy@3{ + reg = <0x3>; + }; + t1phy4: ethernet-phy@6{ + reg = <0x6>; + }; + t1phy5: ethernet-phy@7{ + reg = <0x7>; + }; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c7169da15ab4..4449cc2e9c69 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12630,6 +12630,7 @@ M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml +F: Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml F: drivers/net/dsa/microchip/* F: include/linux/platform_data/microchip-ksz.h F: net/dsa/tag_ksz.c