From mboxrd@z Thu Jan 1 00:00:00 1970 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 E92AE155757; Mon, 7 Jul 2025 06:02:35 +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=1751868158; cv=none; b=HFYJvPCHVmtNn796RV+libaAKpQTml7qOfH8N+jft6t4yyKCp7TG9CtXoyEoGbCMjmR0VD0QrSWSFk/SxCc50pkUk8I6AFO0prygbhJCXsxEUAP5M9ytms3atATGhBSNUgXLK7lBNUprB8Ou7scuY3E9ChKHXgwCMKkPCkxk1SI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751868158; c=relaxed/simple; bh=YL+ooIAMYR8hRPyLgX+JY65z6/DecaHd9aqpI/iumes=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Y4FGouBiw4/v7XIlPOsxz/ahn6SfFSVcWSPv3iHlnQ02uH7ug078WSpOTqFuZemNOW4vrcJAnSg28TrXYTNgGO8wfEO/fmQv2KN2XBIL0JHuJZXxKO5JvNZh2/XYHOT6SROrNI26upaUDvPs64AIGb1SqZJZVoUjBAui8ErEqHQ= 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; 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 Received: from [89.212.21.243] (port=40646 helo=[192.168.69.116]) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1uYdjt-00DAtb-28; Mon, 07 Jul 2025 06:46:00 +0200 Message-ID: <5842ba39-23e0-4dcc-856a-dcd0d30d446e@norik.com> Date: Mon, 7 Jul 2025 06:45:56 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] arm64: dts: imx93-phycore-som: Add RPMsg overlay To: Shawn Guo Cc: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de References: <20250619063954.1730231-1-primoz.fiser@norik.com> <20250619063954.1730231-2-primoz.fiser@norik.com> Content-Language: en-US From: Primoz Fiser Autocrypt: addr=primoz.fiser@norik.com; keydata= xjMEZrROOxYJKwYBBAHaRw8BAQdAADVOb5tiLVTUAC9nu/FUl4gj/+4fDLqbc3mk0Vz8riTN JVByaW1veiBGaXNlciA8cHJpbW96LmZpc2VyQG5vcmlrLmNvbT7CiQQTFggAMRYhBK2YFSAH ExsBZLCwJGoLbQEHbnBPBQJmtE47AhsDBAsJCAcFFQgJCgsFFgIDAQAACgkQagttAQducE+T gAD+K4fKlIuvH75fAFwGYG/HT3F9mN64majvqJqvp3gTB9YBAL12gu+cm11m9JMyOyN0l6Os jStsQFghPkzBSDWSDN0NzjgEZrROPBIKKwYBBAGXVQEFAQEHQP2xtEOhbgA+rfzvvcFkV1zK 6ym3/c/OUQObCp50BocdAwEIB8J4BBgWCAAgFiEErZgVIAcTGwFksLAkagttAQducE8FAma0 TjwCGwwACgkQagttAQducE8ucAD9F1sXtQD4iA7Qu+SwNUAp/9x7Cqr37CSb2p6hbRmPJP8B AMYR91JYlFmOJ+ScPhQ8/MgFO+V6pa7K2ebk5xYqsCgA Organization: Norik systems d.o.o. In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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: Hi Shawn, On 7. 07. 25 05:36, Shawn Guo wrote: > On Thu, Jun 19, 2025 at 08:39:51AM +0200, Primoz Fiser wrote: >> 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/freescale/Makefile >> index 0b473a23d120..08a1de299538 100644 >> --- a/arch/arm64/boot/dts/freescale/Makefile >> +++ b/arch/arm64/boot/dts/freescale/Makefile >> @@ -324,6 +324,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb >> dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb >> dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb >> dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb >> + >> +imx93-phycore-rpmsg-dtbs += imx93-phyboard-nash.dtb imx93-phyboard-segin.dtb imx93-phycore-rpmsg.dtbo >> +dtb-$(CONFIG_ARCH_MXC) += imx93-phycore-rpmsg.dtb >> + >> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba91xxca.dtb >> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb >> dtb-$(CONFIG_ARCH_MXC) += 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 = <2>; >> + #size-cells = <2>; >> + >> + vdev0vring0: vdev0vring0@a4000000 { >> + reg = <0 0xa4000000 0 0x8000>; >> + no-map; >> + }; >> + >> + vdev0vring1: vdev0vring1@a4008000 { >> + reg = <0 0xa4008000 0 0x8000>; >> + no-map; >> + }; >> + >> + vdev1vring0: vdev1vring0@a4010000 { >> + reg = <0 0xa4010000 0 0x8000>; >> + no-map; >> + }; >> + >> + vdev1vring1: vdev1vring1@a4018000 { >> + reg = <0 0xa4018000 0 0x8000>; >> + no-map; >> + }; >> + >> + rsc_table: rsc-table@2021e000 { > > Can we sort the node in order of unit-address? Sure. I will move rsc_table to the top in v2. BR, Primoz > > Shawn > >> + reg = <0 0x2021e000 0 0x1000>; >> + no-map; >> + }; >> + >> + vdevbuffer: vdevbuffer@a4020000 { >> + compatible = "shared-dma-pool"; >> + reg = <0 0xa4020000 0 0x100000>; >> + no-map; >> + }; >> + }; >> +}; >> + >> +&cm33 { >> + mbox-names = "tx", "rx", "rxdb"; >> + mboxes = <&mu1 0 1>, >> + <&mu1 1 1>, >> + <&mu1 3 1>; >> + memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, >> + <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>; >> + status = "okay"; >> +}; >> + >> +&mu1 { >> + status = "okay"; >> +}; >> -- >> 2.34.1 >> > -- Primoz Fiser phone: +386-41-390-545 email: primoz.fiser@norik.com -- Norik systems d.o.o. Your embedded software partner Slovenia, EU phone: +386-41-540-545 email: info@norik.com