From patchwork Fri Jan 3 18:16:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 13925774 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 408EDE77188 for ; Fri, 3 Jan 2025 18:20:38 +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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=z61z3GKe31cJ2b66GBulMtYxtfsKgug9nmmd3BPUhJ4=; b=FWz/c3UJL/8XW4fmuuEiCgh5/5 Zl0M0r0jk3CmwOCV1q/tpzG63f3NWLh+YckUww+595ZeUtRjGLBQ5Npl3+hS250ZmMy9JcnOyRD9Z 95y5lcoTemv1HnYzWit8+HNnKHidHRJk/svPWlgcMW0oy9wU3+JsLAs3qLLJLox3D/3tWopU3Ylur RKD0mGJxYYxkbkhtRm5NdLiuVOjGxlEtH+UwA6CqPVkYylhoV66k0Il6Af/N9aV9RcsSr8rtAutV8 uJ/cJCwmA2GRvSaAt4i/hkisd4Vt/j6f3gJ6NmZGLdyLZ64XblKAO2YRrG8VgmUhyVvYE9QHZl0Ai 2Dv99BdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tTmHb-0000000Dgv7-1Lr5; Fri, 03 Jan 2025 18:20:27 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tTmE6-0000000Dg8g-3USC for linux-arm-kernel@lists.infradead.org; Fri, 03 Jan 2025 18:16:52 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 791F71480; Fri, 3 Jan 2025 10:17:18 -0800 (PST) Received: from e119884-lin.cambridge.arm.com (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2DA8A3F673; Fri, 3 Jan 2025 10:16:48 -0800 (PST) From: Vincenzo Frascino To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Vincenzo Frascino , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi , Russell King Subject: [PATCH v4 3/4] arm64: dts: morello: Add support for soc dts Date: Fri, 3 Jan 2025 18:16:22 +0000 Message-ID: <20250103181623.1980433-4-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250103181623.1980433-1-vincenzo.frascino@arm.com> References: <20250103181623.1980433-1-vincenzo.frascino@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250103_101650_914988_D963D790 X-CRM114-Status: GOOD ( 13.61 ) 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 Morello architecture is an experimental extension to Armv8.2-A, which extends the AArch64 state with the principles proposed in version 7 of the Capability Hardware Enhanced RISC Instructions (CHERI) ISA. Introduce Morello SoC dts. Signed-off-by: Vincenzo Frascino --- arch/arm64/boot/dts/arm/Makefile | 1 + arch/arm64/boot/dts/arm/morello-sdp.dts | 30 +++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 arch/arm64/boot/dts/arm/morello-sdp.dts diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile index d908e96d7ddc..869667bef7c0 100644 --- a/arch/arm64/boot/dts/arm/Makefile +++ b/arch/arm64/boot/dts/arm/Makefile @@ -7,3 +7,4 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += fvp-base-revc.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += corstone1000-fvp.dtb corstone1000-mps3.dtb +dtb-$(CONFIG_ARCH_VEXPRESS) += morello-sdp.dtb diff --git a/arch/arm64/boot/dts/arm/morello-sdp.dts b/arch/arm64/boot/dts/arm/morello-sdp.dts new file mode 100644 index 000000000000..2b7ef49ea1a0 --- /dev/null +++ b/arch/arm64/boot/dts/arm/morello-sdp.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +/* + * Copyright (c) 2021-2024, Arm Limited. All rights reserved. + + */ + +/dts-v1/; +#include "morello.dtsi" + +/ { + model = "Arm Morello System Development Platform"; + compatible = "arm,morello-sdp", "arm,morello"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&i2c0 { + clock-frequency = <100000>; + status = "okay"; +}; + +&uart0 { + status = "okay"; +};