From nobody Thu Oct 9 08:51:59 2025 Received: from cpanel.siel.si (cpanel.siel.si [46.19.9.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C1B72472BB; Thu, 19 Jun 2025 06:40:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.19.9.99 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750315205; cv=none; b=WiLXSMo2QCBuXBzcAmG9PzwSnydjhvPULP7BjMwnfcqQiurT4u6eoR+GgjWiDps/3aqfpHOwasdsIz3v6FZsFfi8XWs0dl6yJgy2iHSlXzwwp3F+KPhCQSHpAkkUzQLW2aJpzEuqmO87pDtJ0psT22kNll8H2J6j4K8iprkBdc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750315205; c=relaxed/simple; bh=5Dy8R3r1trSV7SkvB99zlqtFMYecQ8TD4rVB+HmNbng=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=YaEzPo7/2r4xwxjK6h5ndBfDtfxNd/E4pFKz6NreBXOPBx5VJVtPzxQZw1XEdARfMXmSc4gN5Y86XRwy1gK4DKI/DnqA1N9s1u0nv7c+wuQzeNhqgMORkCel9zX5oCdpbeV3eI0aKl3p8d6CZpeqdPZe87Xq8mK+RhF0xRyBIUY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com; spf=pass smtp.mailfrom=norik.com; dkim=pass (2048-bit key) header.d=norik.com header.i=@norik.com header.b=jttLxcgD; arc=none smtp.client-ip=46.19.9.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=norik.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=norik.com header.i=@norik.com header.b="jttLxcgD" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=norik.com; s=default; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=W7TliLsbfaYS7bb2ke6NaPLrLNQJB72CmG4Z4X0ynZY=; b=jttLxcgD09J+VEGwbEJ0CXBPZN Ld+UvUG0kHf0Gn1biOp4vcm+Vzee0iawOKXQa12OTBoMuMID5Wgz4tuzOin/pmssa1WIMCBKmnH9x SKtgnNREeEf/xlyZj5tQM/c2NLQ7XZcef4TSM6dZVTVR4EHKhU/zuMkxu9KNuN9DONr6AiT4XLjgQ PN8ZETmgx671FTYWWNoysp04FphfxRxd1rpWnZLyKXU4JnJ26Lk4eZ9y5Q8lgaT8+vWPI3uUBRVEx A7ByflVRA8fHi1zs6/CtIF7nYi3XmcIXiY7iJZV+VQkhw5vz1/T8i1wTIbjys4eiOoxUCiAmYJYmq AEsgdMmA==; Received: from [89.212.21.243] (port=44058 helo=localhost.localdomain) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1uS8wG-00EVcY-1b; Thu, 19 Jun 2025 08:39:55 +0200 From: Primoz Fiser To: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] arm64: dts: imx93-phycore-som: Add RPMsg overlay Date: Thu, 19 Jun 2025 08:39:51 +0200 Message-Id: <20250619063954.1730231-2-primoz.fiser@norik.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250619063954.1730231-1-primoz.fiser@norik.com> References: <20250619063954.1730231-1-primoz.fiser@norik.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: primoz.fiser@norik.com X-Authenticated-Sender: cpanel.siel.si: primoz.fiser@norik.com X-Source: X-Source-Args: X-Source-Dir: Content-Type: text/plain; charset="utf-8" Add an overlay used for remote processor inter-core communication between A55 and M33 cores on the phyCORE-i.MX93 SoM based boards. Overlay adds the required reserved memory regions and enables the mailbox unit and the M33 core for RPMsg (Remote Processor Messaging Framework). Signed-off-by: Primoz Fiser --- arch/arm64/boot/dts/freescale/Makefile | 4 ++ .../dts/freescale/imx93-phycore-rpmsg.dtso | 60 +++++++++++++++++++ 2 files changed, 64 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 0b473a23d120..08a1de299538 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -324,6 +324,10 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx93-14x14-evk.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-kontron-bl-osm-s.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-phyboard-nash.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-phyboard-segin.dtb + +imx93-phycore-rpmsg-dtbs +=3D imx93-phyboard-nash.dtb imx93-phyboard-segin= .dtb imx93-phycore-rpmsg.dtbo +dtb-$(CONFIG_ARCH_MXC) +=3D imx93-phycore-rpmsg.dtb + dtb-$(CONFIG_ARCH_MXC) +=3D imx93-tqma9352-mba91xxca.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-tqma9352-mba93xxca.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-tqma9352-mba93xxla.dtb diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso b/arch/= arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso new file mode 100644 index 000000000000..9200113c9ec3 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + * Author: Primoz Fiser + */ + +/dts-v1/; +/plugin/; + +&{/} { + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + + vdev0vring0: vdev0vring0@a4000000 { + reg =3D <0 0xa4000000 0 0x8000>; + no-map; + }; + + vdev0vring1: vdev0vring1@a4008000 { + reg =3D <0 0xa4008000 0 0x8000>; + no-map; + }; + + vdev1vring0: vdev1vring0@a4010000 { + reg =3D <0 0xa4010000 0 0x8000>; + no-map; + }; + + vdev1vring1: vdev1vring1@a4018000 { + reg =3D <0 0xa4018000 0 0x8000>; + no-map; + }; + + rsc_table: rsc-table@2021e000 { + reg =3D <0 0x2021e000 0 0x1000>; + no-map; + }; + + vdevbuffer: vdevbuffer@a4020000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0xa4020000 0 0x100000>; + no-map; + }; + }; +}; + +&cm33 { + mbox-names =3D "tx", "rx", "rxdb"; + mboxes =3D <&mu1 0 1>, + <&mu1 1 1>, + <&mu1 3 1>; + memory-region =3D <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, + <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>; + status =3D "okay"; +}; + +&mu1 { + status =3D "okay"; +}; --=20 2.34.1