From patchwork Wed Mar 15 06:23:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 664320 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 CFB94C7618D for ; Wed, 15 Mar 2023 06:23:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231204AbjCOGXi (ORCPT ); Wed, 15 Mar 2023 02:23:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231191AbjCOGXf (ORCPT ); Wed, 15 Mar 2023 02:23:35 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB5D55CC1F; Tue, 14 Mar 2023 23:23:31 -0700 (PDT) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32F6NQcp090652; Wed, 15 Mar 2023 01:23:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1678861406; bh=JZRqH0q9KbOQSvb+W86i92k9euATNJkyB+juQjmxZjM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=aQXqFnhZSSYGsc/HsytMVlKORQMmnQJ02DlTvobn5/IJMJxhfJ5zs/CfxR5n8xDod wUOeaJ26XPFWkPpIeNS9gCaWwclCRTOH/DXOZ3QBSxTx1I9qaJAEvuF1KYGotGEoPF 7Ms1LXxECu0bBUdHmOMdu7oDGY8oBnG6Z7sEangc= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32F6NQFX030087 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 15 Mar 2023 01:23:26 -0500 Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 15 Mar 2023 01:23:25 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 15 Mar 2023 01:23:25 -0500 Received: from uda0492258.dhcp.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 32F6N7bv024744; Wed, 15 Mar 2023 01:23:22 -0500 From: Siddharth Vadapalli To: , , , , , , CC: , , , , Subject: [PATCH v3 4/4] arm64: dts: ti: k3-j7200: Add overlay to enable CPSW5G ports in QSGMII mode Date: Wed, 15 Mar 2023 11:53:07 +0530 Message-ID: <20230315062307.1612220-5-s-vadapalli@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230315062307.1612220-1-s-vadapalli@ti.com> References: <20230315062307.1612220-1-s-vadapalli@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The J7 Quad Port Add-On Ethernet Card for J7200 Common-Proc-Board supports QSGMII mode. Use the overlay to configure CPSW5G ports in QSGMII mode. Add support to reset the PHY from kernel by using gpio-hog and gpio-reset. Add aliases for CPSW5G ports to enable kernel to fetch MAC addresses directly from U-Boot. Signed-off-by: Siddharth Vadapalli --- arch/arm64/boot/dts/ti/Makefile | 3 +- .../ti/k3-j7200-evm-quad-port-eth-exp.dtso | 100 ++++++++++++++++++ 2 files changed, 102 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-evm-quad-port-eth-exp.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 7ded6dacd3f2..5312e4adc4e3 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -28,7 +28,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb # Boards with J7200 SoC -dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb +k3-j7200-evm-dtbs := k3-j7200-common-proc-board.dtb k3-j7200-evm-quad-port-eth-exp.dtbo +dtb-$(CONFIG_ARCH_K3) += k3-j7200-evm.dtb # Boards with J721e SoC k3-j721e-evm-dtbs := k3-j721e-common-proc-board.dtb k3-j721e-evm-quad-port-eth-exp.dtbo diff --git a/arch/arm64/boot/dts/ti/k3-j7200-evm-quad-port-eth-exp.dtso b/arch/arm64/boot/dts/ti/k3-j7200-evm-quad-port-eth-exp.dtso new file mode 100644 index 000000000000..78ba7bcedf3f --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j7200-evm-quad-port-eth-exp.dtso @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT Overlay for CPSW5G in QSGMII mode using J7 Quad Port ETH EXP Add-On Ethernet Card with + * J7200 board. + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include + +&{/} { + aliases { + ethernet1 = "/bus@100000/ethernet@c000000/ethernet-ports/port@1"; + ethernet2 = "/bus@100000/ethernet@c000000/ethernet-ports/port@2"; + ethernet3 = "/bus@100000/ethernet@c000000/ethernet-ports/port@3"; + ethernet4 = "/bus@100000/ethernet@c000000/ethernet-ports/port@4"; + }; +}; + +&cpsw0 { + status = "okay"; +}; + +&cpsw0_port1 { + status = "okay"; + phy-handle = <&cpsw5g_phy0>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 1>; +}; + +&cpsw0_port2 { + status = "okay"; + phy-handle = <&cpsw5g_phy1>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 2>; +}; + +&cpsw0_port3 { + status = "okay"; + phy-handle = <&cpsw5g_phy2>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 3>; +}; + +&cpsw0_port4 { + status = "okay"; + phy-handle = <&cpsw5g_phy3>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 4>; +}; + +&cpsw5g_mdio { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mdio0_pins_default>; + reset-gpios = <&exp2 17 GPIO_ACTIVE_LOW>; + reset-post-delay-us = <120000>; + #address-cells = <1>; + #size-cells = <0>; + + cpsw5g_phy0: ethernet-phy@16 { + reg = <16>; + }; + cpsw5g_phy1: ethernet-phy@17 { + reg = <17>; + }; + cpsw5g_phy2: ethernet-phy@18 { + reg = <18>; + }; + cpsw5g_phy3: ethernet-phy@19 { + reg = <19>; + }; +}; + +&exp2 { + qsgmii-line-hog { + gpio-hog; + gpios = <16 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "qsgmii-pwrdn-line"; + }; +}; + +&main_pmx0 { + mdio0_pins_default: mdio0-pins-default { + pinctrl-single,pins = < + J721E_IOPAD(0x00a8, PIN_OUTPUT, 5) /* (W19) UART8_TXD.MDIO0_MDC */ + J721E_IOPAD(0x00a4, PIN_INPUT, 5) /* (W14) UART8_RXD.MDIO0_MDIO */ + >; + }; +};