From patchwork Tue Feb 18 18:38:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmad Fatoum X-Patchwork-Id: 13980522 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 B7BABC021AA for ; Tue, 18 Feb 2025 18:43:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NwzNBEjW8qhv1b05nWYikiclBD72JglYmVzZsF23ufE=; b=2LPyu/S0SVS0Qeq5bkYLxELLon rGGOGuHjWKBzTFXbyiWDzOk9oqeIt0WeBLUjdFCKQTtULQQIFVY6gD0hQrkgGpP8BsEhsl87WYWqN jMsgXurgsnszphTR1pAiAwnyGaMbI/+CWuV4Vt8TsQ05ijRau6w8pMrQ5oiNQk0h6OOY5v8iDXa6M X8Ai5XZkilv8nAId7+kABNrs9rMLYIxBN+j+67+IgQKp9AJq8fYcXEyND69ovJZ9SBj9k65G+0lgr QZiLP4k6BaUQyvUKFkbUE/8qx0+3hS6OPFGFkIXAki6lJJHeCElG+j+sv7NTU2E7srV0+uEkfqFEw mnEKZ1uA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tkSZ0-00000009PIB-1ebZ; Tue, 18 Feb 2025 18:43:22 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tkSU4-00000009Nvv-19yz for linux-arm-kernel@lists.infradead.org; Tue, 18 Feb 2025 18:38:17 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tkSU2-0000Gy-P7; Tue, 18 Feb 2025 19:38:14 +0100 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tkSU2-001dak-1M; Tue, 18 Feb 2025 19:38:14 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tkSU2-00AL9G-12; Tue, 18 Feb 2025 19:38:14 +0100 From: Ahmad Fatoum Date: Tue, 18 Feb 2025 19:38:14 +0100 Subject: [PATCH v2 2/6] arm64: dts: imx8mp-skov: add basic board as fallback MIME-Version: 1.0 Message-Id: <20250218-skov-imx8mp-new-boards-v2-2-4040379742ea@pengutronix.de> References: <20250218-skov-imx8mp-new-boards-v2-0-4040379742ea@pengutronix.de> In-Reply-To: <20250218-skov-imx8mp-new-boards-v2-0-4040379742ea@pengutronix.de> To: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Fabio Estevam Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Oleksij Rempel , Ahmad Fatoum X-Mailer: b4 0.14.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: a.fatoum@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250218_103816_334621_4619806A X-CRM114-Status: GOOD ( 13.95 ) 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 From: Oleksij Rempel All Skov i.MX8MP boards share the same baseboard (modulo revisions) and are booted with the same bootloader image, which samples some strapping pins at startup and determines which kernel device tree to use. For use as bootloader device tree and as fallback, when no matching device tree has been found, add a basic variant that doesn't configure any variant-specific peripherals like displays. Signed-off-by: Oleksij Rempel Signed-off-by: Ahmad Fatoum --- arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/imx8mp-skov-basic.dts | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 839432153cc7ae15d3c1e668c0cb192d5563b996..ea4da899b44be0aaac745f6a0503bed3bb8ba20c 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -193,6 +193,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-nitrogen-smarc-universal-board.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-basic.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-hdmi.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-mi1010ait-1cp1.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-basic.dts b/arch/arm64/boot/dts/freescale/imx8mp-skov-basic.dts new file mode 100644 index 0000000000000000000000000000000000000000..5a2629f3567c6ce664ddad9a49f51829b3f54bd5 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-basic.dts @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +/dts-v1/; + +#include "imx8mp-skov-reva.dtsi" + +/ { + model = "SKOV IMX8MP CPU basic/fallback"; + compatible = "skov,imx8mp-skov-basic", "fsl,imx8mp"; +};