From patchwork Wed Mar 15 06:23:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 13175385 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 454EDC61DA4 for ; Wed, 15 Mar 2023 06:24:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=keiM55l7MYXTrqzVVACtaHqM6qypgvSSwsbKA4oBDpo=; b=0nGEQVRXiLCLUL j45HkcIrIm3VHTEGWfKtEOh8jIiR0wYMZsgP0pwc4qXN4158ls8zLD0od+H+EHBq8uF1tPkqFCE3B O15j0iCdFlGQnLV3xIuT35Gd420qQXxPj6fdqle+K1MYhouVewUFuWeWEPsEEp+Sweqj9UVJXRPQM rVn7OkGg4rIradk0KLVarwN9wPTnnaVBgRp8ZmT00XU+yxIMKUW2Qf8cX6F6WisMsUsDQeQUj6Lnl vKqmepj77J313NQ2iakBcxVei/mGUmgbVr+LJYzvvEm9P5w6bH7VYEoGyXwHadHandTgFFj7eMfZ9 b56qw9smnMg62rh1bAoA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pcKXy-00CVa4-1k; Wed, 15 Mar 2023 06:23:38 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pcKXq-00CVWI-2h for linux-arm-kernel@lists.infradead.org; Wed, 15 Mar 2023 06:23:32 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32F6NJ17026505; Wed, 15 Mar 2023 01:23:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1678861399; bh=uRUtUijRLyNsDgP8KQmrRsKViYd2Axqz/DSbt5xYI+g=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=mAf528CvxGwNwL7EVYHrItctYlrCb9xha8482WaXl+iAjJArdWHXwNDOXniDuEksl NaNEBVPzHX5CQ1pxsMNiNS3UuH16FLmhVMojldHMlRf4fBKcC3vM8isXZeC8RxI1XX GeGQz/YXiczAnNexa5k1o8Nch1fNaNganXgspzhM= Received: from DFLE107.ent.ti.com (dfle107.ent.ti.com [10.64.6.28]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32F6NJt5104529 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 15 Mar 2023 01:23:19 -0500 Received: from DFLE113.ent.ti.com (10.64.6.34) by DFLE107.ent.ti.com (10.64.6.28) 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 01:23:18 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE113.ent.ti.com (10.64.6.34) 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 01:23:19 -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 32F6N7bt024744; Wed, 15 Mar 2023 01:23:15 -0500 From: Siddharth Vadapalli To: , , , , , , CC: , , , , Subject: [PATCH v3 2/4] arm64: dts: ti: k3-j721e: Add overlay to enable CPSW9G ports in QSGMII mode Date: Wed, 15 Mar 2023 11:53:05 +0530 Message-ID: <20230315062307.1612220-3-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230314_232330_973888_77C3332C X-CRM114-Status: GOOD ( 16.19 ) 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 The J7 Quad Port Add-On Ethernet Card for J721E Common-Proc-Board supports QSGMII mode. Use the overlay to configure CPSW9G ports in QSGMII mode. Add support to reset the PHY from kernel by using gpio-hog and gpio-reset. Add aliases for CPSW9G 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-j721e-evm-quad-port-eth-exp.dtso | 132 ++++++++++++++++++ 2 files changed, 134 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-evm-quad-port-eth-exp.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 6acd12409d59..7ded6dacd3f2 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -31,8 +31,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb # Boards with J721e SoC +k3-j721e-evm-dtbs := k3-j721e-common-proc-board.dtb k3-j721e-evm-quad-port-eth-exp.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j721e-beagleboneai64.dtb -dtb-$(CONFIG_ARCH_K3) += k3-j721e-common-proc-board.dtb +dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb # Boards with J721s2 SoC diff --git a/arch/arm64/boot/dts/ti/k3-j721e-evm-quad-port-eth-exp.dtso b/arch/arm64/boot/dts/ti/k3-j721e-evm-quad-port-eth-exp.dtso new file mode 100644 index 000000000000..0acdb59d789b --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j721e-evm-quad-port-eth-exp.dtso @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT Overlay for CPSW9G in QSGMII mode using J7 Quad Port ETH EXP Add-On Ethernet Card with + * J721E board. + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#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 = <&cpsw9g_phy0>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 1>; +}; + +&cpsw0_port2 { + status = "okay"; + phy-handle = <&cpsw9g_phy1>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 2>; +}; + +&cpsw0_port3 { + status = "okay"; + phy-handle = <&cpsw9g_phy2>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 3>; +}; + +&cpsw0_port4 { + status = "okay"; + phy-handle = <&cpsw9g_phy3>; + phy-mode = "qsgmii"; + mac-address = [00 00 00 00 00 00]; + phys = <&cpsw0_phy_gmii_sel 4>; +}; + +&cpsw9g_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>; + + cpsw9g_phy0: ethernet-phy@17 { + reg = <17>; + }; + cpsw9g_phy1: ethernet-phy@16 { + reg = <16>; + }; + cpsw9g_phy2: ethernet-phy@18 { + reg = <18>; + }; + cpsw9g_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(0x1bc, PIN_OUTPUT, 0) /* (V24) MDIO0_MDC */ + J721E_IOPAD(0x1b8, PIN_INPUT, 0) /* (V26) MDIO0_MDIO */ + >; + }; +}; + +&serdes_ln_ctrl { + idle-states = , , + , , + , , + , , + , , + , ; +}; + +&serdes_wiz0 { + status = "okay"; +}; + +&serdes0 { + status = "okay"; + + assigned-clocks = <&serdes0 CDNS_SIERRA_PLL_CMNLC>, <&serdes0 CDNS_SIERRA_PLL_CMNLC1>; + assigned-clock-parents = <&wiz0_pll1_refclk>, <&wiz0_pll1_refclk>; + #address-cells = <1>; + #size-cells = <0>; + + serdes0_qsgmii_link: phy@1 { + reg = <1>; + cdns,num-lanes = <1>; + #phy-cells = <0>; + cdns,phy-type = ; + resets = <&serdes_wiz0 2>; + }; +};