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 X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4056C49EA5 for ; Fri, 25 Jun 2021 01:10:11 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 84078613AB for ; Fri, 25 Jun 2021 01:10:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84078613AB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=v952w4fTzmVPoqzLW1ypi3AIIBkHllKOvOKFMGl1PaY=; b=tybVuY5ChOr8n1 mUP6wCgOLRLN4pkw8g90XQ89OTwICl7NSQyy1P1MpWZi9s/yWPS9uqm8TnYyIkrFpqHNyLIQYZwBz cY3KyrmFu22XsUCoK+2eE1inIBDftTfBMCcxYKkU4KrS0cLGKCBKpe1kRAnTCSl5qEMu1EG0Jd4i7 NJHL/SiGH6F0VamBtSaOZWz1XnxfAG5K+kmbwm0z+HQhykz4vuEwf5X+SuJGq4RwWd8iI30IVa0zR Io+7cwjwWZHbOlrYbK28i6Z+765yLzYdzcNtEobzBRzWhoKFWlIKNL0APjQe7iHODBm991q055v/l t2kUaanpqWXDXHVQKugg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwaK1-00GxTC-Lw; Fri, 25 Jun 2021 01:07:55 +0000 Received: from mail-vi1eur05on2046.outbound.protection.outlook.com ([40.107.21.46] helo=EUR05-VI1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwaGs-00GwNf-5X for linux-arm-kernel@lists.infradead.org; Fri, 25 Jun 2021 01:04:39 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nk4GF2pzGbYtSVpFbte8LH2ONTK9rBH04+raQ0gqUEBmw2W/Y1LdrAUQ/kAHtyOivGVQGqXgsmM+HwIexRPl2oWFdj3zUlaCXRT0rcKPTqPSNmi5/FIgA0dKr9WbFmC1/D3yN/TIm/11VIrT55MbJc63Ex/TmdX4RAOX8QlCwnGbBjYvFo4yBOpOxOC8aMe/jDiDdi2mL1DnF38WG365RzhKnXWeO0pFp5ejUh5Pq0P16lZhYPDd3MFtlr5FLhzOe+tud+vOqOUyCJG7V1Gww+nFcJiyi0FGWfTaMFa/hwxU1DRwQybJxPYLvN6lrvsRkQCGPf0TWE02mdgj8svxoQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aa+mtnn5QsEmHlP+9y3b+3q8nBHDUeRW+EQIaWcg91I=; b=bGGt7DFuUdr5OXwwwJeRRM5AjTgedEFAm+7n/sltFhKcpM4Cbptov6r2fE94Gnx67b9Rcae79EpI8NN1UVsonkMk6wYImg546sn46vEbyEipDZDlMLe6QA2vH4UxvlwsrhqRcVYDe5+SMkj/cGpTdk4Aarg+knapKzIZXblSBW8KlKwkta26f5ZcHG7UWxTc1G7B+OllFLnl3TfKJuGbHLqmnHZR8eHr+IeNKmdIcuee6mrADrCviFGEXOjVIOqYPERw5RnTebRPu/IylSw3cyYf70EZRZwwlIFxTiJUir2XG+AsC9LmddZ/6JmD/5Gwg0mUqCNpF9NekxQI7ySZdg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aa+mtnn5QsEmHlP+9y3b+3q8nBHDUeRW+EQIaWcg91I=; b=WL1X2SWfxIYAVgqHy3srbLqtKKwd5c9dKmx7uX453tM4sSnda6tFlfoGxiFzXrKy9CMCrG72gMHvO9baZ7wdvRjGthKl9s19WaIEgNjKKJufoYS6R+9oLTDeGVq98UKyoEu2Ab/I/Zgz0LWa1ieSiuqkNrUghUEC5RzrxQTadZA= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; Received: from DBBPR04MB7930.eurprd04.prod.outlook.com (2603:10a6:10:1ea::12) by DB6PR0401MB2374.eurprd04.prod.outlook.com (2603:10a6:4:4c::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.20; Fri, 25 Jun 2021 01:04:34 +0000 Received: from DBBPR04MB7930.eurprd04.prod.outlook.com ([fe80::3164:e047:376d:4a4f]) by DBBPR04MB7930.eurprd04.prod.outlook.com ([fe80::3164:e047:376d:4a4f%7]) with mapi id 15.20.4242.023; Fri, 25 Jun 2021 01:04:34 +0000 From: Jacky Bai To: robh+dt@kernel.org, shawnguo@kernel.org, sboyd@kernel.org, s.hauer@pengutronix.de, linus.walleij@linaro.org, aisheng.dong@nxp.com Cc: festevam@gmail.com, kernel@pengutronix.de, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 11/11] arm64: dts: imx8ulp: Add the basic dts for imx8ulp evk board Date: Fri, 25 Jun 2021 09:13:55 +0800 Message-Id: <20210625011355.3468586-12-ping.bai@nxp.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210625011355.3468586-1-ping.bai@nxp.com> References: <20210625011355.3468586-1-ping.bai@nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR06CA0188.apcprd06.prod.outlook.com (2603:1096:4:1::20) To DBBPR04MB7930.eurprd04.prod.outlook.com (2603:10a6:10:1ea::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR06CA0188.apcprd06.prod.outlook.com (2603:1096:4:1::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18 via Frontend Transport; Fri, 25 Jun 2021 01:04:31 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f080b8fc-f620-48ac-e58d-08d93775323c X-MS-TrafficTypeDiagnostic: DB6PR0401MB2374: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2276; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DBBPR04MB7930.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(376002)(396003)(136003)(346002)(39850400004)(2616005)(8936002)(66946007)(6506007)(16526019)(316002)(26005)(4326008)(5660300002)(66556008)(66476007)(52116002)(6666004)(1076003)(38350700002)(2906002)(186003)(38100700002)(6512007)(6486002)(6636002)(86362001)(36756003)(956004)(8676002)(478600001)(83380400001)(69590400013)(32563001)(414714003)(473944003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?DEvTgVxVfaqmswBTrLjN63e2pjvE7eM+hJ2iUCqvo8+3CoqGuceUkYyIDVAk?= =?us-ascii?Q?GK/5ofJjEGOI7uyO0rl9OCOhSNVlyZUNLckvtI4QLd7R9lyjKSiXXf/P7AiZ?= =?us-ascii?Q?hsQsvqa+Zlf8CzyCvx1FHvUe8AUWT5pKBhSzCCHJci07xvVaRaQG5mK6ZD0f?= =?us-ascii?Q?SJtOq8mNC+NcPpHIszRDlYXJbxyXLJBLTVCCYs+nlalT8GeF0spkU2rouw/h?= =?us-ascii?Q?gWM/bVqyQzkfRdH/iHUAt6W5DeMeDW9wSbz24bkB2y0AQNjYiAGv6zfw5dQW?= =?us-ascii?Q?J8tHa05k/n3tzqFtk6jpfF+TuxZmrMen2AjG75jd4dGLrd/R3mpOVA2/LuZW?= =?us-ascii?Q?tw58ibnYEip7RYnoMrAYG6N0h1z2rAlGc5HBgP1eXk9C6jjCGKRLk0AUHu6U?= =?us-ascii?Q?r5woRQ1T2ITGg1e343E9vCsF/iRVuUZ9//VO0lFnIs90oLLYN8WDhKAjlX7o?= =?us-ascii?Q?LjXBeoosk3JWWly1AvCarvgUdygLJyNStulBuU7MQ97pYtuDY9QLQBWrOTwG?= =?us-ascii?Q?7FpoCKlvufH4bR+GpxAsv3x12dOGd4AyzdJnOsBJEGdxw3FHun3i+EWVxOgM?= =?us-ascii?Q?Ro+IZ6dkX3ZImC9uJ9KTv8dvp9fWVNkET9JQ7UJ/TCfmWLAaK527krt5G3r/?= =?us-ascii?Q?a9sQNGyti4cJkSorKE/efAy84BAGRryKmXcSKZpzOzh5uFmCEV9Wq4SwGfix?= =?us-ascii?Q?CPd7j0Qs0YQaUqqv528ux3mBcITDeFX7ZasCHM1yLo/aSc7C5CIiQnfIpi0O?= =?us-ascii?Q?VDaIDXaJCeoOiY0GK0tmtOO3Dot2pCIpup6wVId1z59woC+v0Swf54VhPVBC?= =?us-ascii?Q?7nLVf4bd87D0P4L/3TwTh3j8DWcCUqNYThSkcGIqyXGiENE8nE4OMpkDR7RG?= =?us-ascii?Q?nXSAlbSBWKKQJ3tg+M2ARaNQX1LPvfewfJwAvHPrs94PvLPL1Kxorr/fpyUD?= =?us-ascii?Q?3XNEG+Et4dFLEOfE0KPZwlin4sAnbiWcOXBp3GMnOP+opv3Bgfhw5tm3oFaF?= =?us-ascii?Q?e4mH5rhfSLbFpgY/nqSEzBH32G5Hnpf0poCrV82zfMR0+VxOLUD+n1pwAgRI?= =?us-ascii?Q?01/lgYjc4UucRQslWn4RtdesPtvBni8lvonVEW32LdRlhE9nEtl9qQ3MoISo?= =?us-ascii?Q?olkb0t+U+AaakHjWgmrkVuA08uKU/dvYtUwIgIQPNFsAlMbiE4qukSiuFycW?= =?us-ascii?Q?IXAFS07H+G6lpxGZYGTZ4mV+wHLsXPhCyZpq/zqvwelESmhYuwpYTT14isc3?= =?us-ascii?Q?aFt7Wj/CpaPig9V6QPU27GjVSI2zWklfKdE+1PAMmmPsPTtI+c0XBjBneSmh?= =?us-ascii?Q?N6DmdLFspReuKQqlBxk6/axd?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f080b8fc-f620-48ac-e58d-08d93775323c X-MS-Exchange-CrossTenant-AuthSource: DBBPR04MB7930.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jun 2021 01:04:34.5249 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ziWfRkGPb1NbLFOH/VsSOqkz8r820IejXFBbijNYqRyGlAi9ERo7DH/I/1NIGv2bA6LN4sOUPruOm4yHCz6ntQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0401MB2374 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210624_180438_281380_47C3E203 X-CRM114-Status: GOOD ( 14.13 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the basic dts file for i.MX8ULP EVK board. Only the necessary devices for minimal system boot up are enabled: enet, emmc, usb, console uart. some of the devices' pin status may lost during low power mode, so additional sleep pinctrl properties are included by default. Signed-off-by: Jacky Bai --- - v3 changes: no - v2 changes: add the memory node place holder update the license --- arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 148 ++++++++++++++++++ 2 files changed, 149 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8ulp-evk.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 25806c4924cb..8c24a05d55af 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -65,5 +65,6 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qm-mek.dtb dtb-$(CONFIG_ARCH_MXC) += imx8qxp-ai_ml.dtb dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-eval-v3.dtb dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb dtb-$(CONFIG_ARCH_S32) += s32v234-evb.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts new file mode 100644 index 000000000000..de84f29c12ce --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2021 NXP + */ + +/dts-v1/; + +#include "imx8ulp.dtsi" + +/ { + model = "NXP i.MX8ULP EVK"; + compatible = "fsl,imx8ulp-evk", "fsl,imx8ulp"; + + chosen { + stdout-path = &lpuart5; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x0 0x80000000 0 0x80000000>; + }; +}; + +&fec { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet>; + phy-mode = "rmii"; + phy-handle = <ðphy>; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + reg = <1>; + micrel,led-mode = <1>; + }; + }; +}; + +&lpuart5 { + /* console */ + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_lpuart5>; + pinctrl-1 = <&pinctrl_lpuart5>; + status = "okay"; +}; + +&usbotg1 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_otgid1>; + pinctrl-1 = <&pinctrl_otgid1>; + dr_mode = "otg"; + hnp-disable; + srp-disable; + adp-disable; + status = "okay"; +}; + +&usbphy1 { + status = "okay"; +}; + +&usbmisc1 { + status = "okay"; +}; + +&usbotg2 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_otgid2>; + pinctrl-1 = <&pinctrl_otgid2>; + dr_mode = "otg"; + hnp-disable; + srp-disable; + adp-disable; + status = "okay"; +}; + +&usbphy2 { + status = "okay"; +}; + +&usbmisc2 { + status = "okay"; +}; + +&usdhc0 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_usdhc0>; + pinctrl-1 = <&pinctrl_usdhc0>; + non-removable; + bus-width = <4>; + status = "okay"; +}; + +&iomuxc1 { + pinctrl_enet: enetgrp { + fsl,pins = < + MX8ULP_PAD_PTE15__ENET0_MDC 0x43 + MX8ULP_PAD_PTE14__ENET0_MDIO 0x43 + MX8ULP_PAD_PTE17__ENET0_RXER 0x43 + MX8ULP_PAD_PTE18__ENET0_CRS_DV 0x43 + MX8ULP_PAD_PTF1__ENET0_RXD0 0x43 + MX8ULP_PAD_PTE20__ENET0_RXD1 0x43 + MX8ULP_PAD_PTE16__ENET0_TXEN 0x43 + MX8ULP_PAD_PTE23__ENET0_TXD0 0x43 + MX8ULP_PAD_PTE22__ENET0_TXD1 0x43 + MX8ULP_PAD_PTE19__ENET0_REFCLK 0x43 + MX8ULP_PAD_PTF10__ENET0_1588_CLKIN 0x43 + >; + }; + + pinctrl_lpuart5: lpuart5grp { + fsl,pins = < + MX8ULP_PAD_PTF14__LPUART5_TX 0x3 + MX8ULP_PAD_PTF15__LPUART5_RX 0x3 + >; + }; + + pinctrl_otgid1: usb1grp { + fsl,pins = < + MX8ULP_PAD_PTF2__USB0_ID 0x10003 + >; + }; + + pinctrl_otgid2: usb2grp { + fsl,pins = < + MX8ULP_PAD_PTD23__USB1_ID 0x10003 + >; + }; + + pinctrl_usdhc0: usdhc0grp { + fsl,pins = < + MX8ULP_PAD_PTD1__SDHC0_CMD 0x43 + MX8ULP_PAD_PTD2__SDHC0_CLK 0x10042 + MX8ULP_PAD_PTD10__SDHC0_D0 0x43 + MX8ULP_PAD_PTD9__SDHC0_D1 0x43 + MX8ULP_PAD_PTD8__SDHC0_D2 0x43 + MX8ULP_PAD_PTD7__SDHC0_D3 0x43 + MX8ULP_PAD_PTD6__SDHC0_D4 0x43 + MX8ULP_PAD_PTD5__SDHC0_D5 0x43 + MX8ULP_PAD_PTD4__SDHC0_D6 0x43 + MX8ULP_PAD_PTD3__SDHC0_D7 0x43 + MX8ULP_PAD_PTD11__SDHC0_DQS 0x10042 + >; + }; +}; -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel