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 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 74214C5AE49 for ; Mon, 10 Aug 2026 14:58:13 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2VFa4gkN/MC1afzYI4GdGQGF4nVMqhTx+VvOx02Ma4I=; b=ylWxBYz4vs81PzZv9lDRQw5j2v X59l1KHlAPSGrmxCCJI/wmeJMqEX8s8C9/86svKa/yIpvQl402oUu8EwkaGc6Zjs3X/T40WENkJ2O cUQZ7KiOp+RgbOzK3eLMaBDn/Y51SkqCgaKbANq0Y2Hz3sl38NX8dUbA3NyUSO0xlRaYGpq2WYVBY QNRSq6B04xGVFHW7XbsoTZtZay5FZUFyT/K4ltx4RRhlTWltEb8VW+dhntqCUy+b11RD2kEeRru9s IDfp03tWNxXg/AbqRtT8vuW78pHS88LY6b60T/szRUvoOK15M3u2TV2qJxID6PRhw8Z/9lIgA/4UN LCv8fWFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtRRy-0000000C7rR-19Ly; Mon, 10 Aug 2026 14:58:02 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtRRw-0000000C7qd-21Cw for linux-arm-kernel@lists.infradead.org; Mon, 10 Aug 2026 14:58:01 +0000 Received: from francesco-nb (93-35-5-212.ip52.fastwebnet.it [93.35.5.212]) by mail11.truemail.it (Postfix) with ESMTPA id 27EF71F984; Mon, 10 Aug 2026 16:57:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1786373878; bh=2VFa4gkN/MC1afzYI4GdGQGF4nVMqhTx+VvOx02Ma4I=; h=From:To:Subject; b=wqPpHJvguCOWz3azxcTJkLu8IeT87b6wUKuwgFapNDK2YwwNQkL5yZ05OpxhfSVH6 PTBkjeP8cfyKFzkC8B5HDUSMsLWMyfRQJnLbmwo11qUAqbSdK2CxZllX3nMt+Z0qQ6 qQIA9mm/kinVPTo3xq3MUEWnTLjYPcEvmkZxWhJnQsiwhzzsz03ScOWg/LOPvWqIah RNB/pmgMVk1TzyWMc1wGy8bU+S2vmyq8mAiIW/H2IsKVTpVOpAe00Oj7elugN9gbuG gTviMJjto/TXsUV9hD/juwCqlGKY5GiOPVHwIQK9rr8io2Ag6BBjpHQHWV01Q9BqS5 aZRruV3M65/vQ== Date: Mon, 10 Aug 2026 16:57:55 +0200 From: Francesco Dolcini To: Laurentiu Mihalcea Cc: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Peng Fan , Frank Li , Fabio Estevam , Daniel Baluta , Francesco Dolcini , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 4/4] arm64: dts: freescale: add DT overlay for MX95-15x15-FRDM RPMSG usage Message-ID: <20260810145755.GC81453@francesco-nb> References: <20260730163412.1145-1-laurentiumihalcea111@gmail.com> <20260730163412.1145-5-laurentiumihalcea111@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260730163412.1145-5-laurentiumihalcea111@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260810_075800_679041_A0991EA0 X-CRM114-Status: GOOD ( 18.67 ) 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 On Thu, Jul 30, 2026 at 09:34:12AM -0700, Laurentiu Mihalcea wrote: > From: Laurentiu Mihalcea > > Add RPMSG DT overlay for the MX95-15x15-FRDM board. This overlay is meant > to be used with the mx95evkrpmsg system manager configuration for > remoteproc and audio over rpmsg-usecases. > > Reviewed-by: Daniel Baluta > Signed-off-by: Laurentiu Mihalcea > --- > arch/arm64/boot/dts/freescale/Makefile | 3 + > .../dts/freescale/imx95-15x15-frdm-rpmsg.dtso | 67 +++++++++++++++++++ > 2 files changed, 70 insertions(+) > create mode 100644 arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile > index 95ae85ab4adf..3f98132f5a32 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -707,6 +707,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx943-evk-sdwifi.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-ab2.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-frdm.dtb > +dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-frdm-rpmsg.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk-sof.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-frdm-pro.dtb > @@ -729,6 +730,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-mallow.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-yavia.dtb > dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-zinnia.dtb > > +imx95-15x15-frdm-rpmsg-dtbs = imx95-15x15-frdm.dtb imx95-15x15-frdm-rpmsg.dtbo > + > imx95-15x15-evk-pcie-dtbs += imx95-15x15-evk.dtb imx-m2-pcie.dtbo > dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie.dtb > > diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso > new file mode 100644 > index 000000000000..bc02864c6f88 > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso > @@ -0,0 +1,67 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright 2026 NXP > + * > + * This DT overlay is meant to be used alongside the mx95evkrpmsg SM > + * configuration for remoteproc and audio over rpmsg. > + */ > + > +/dts-v1/; > +/plugin/; > + > +&{/} { > + remoteproc-cm7 { > + compatible = "fsl,imx95-cm7"; > + mboxes = <&mu7 0 1>, <&mu7 1 1>, <&mu7 3 1>; > + mbox-names = "tx", "rx", "rxdb"; > + memory-region = <&vdev0buffer>, <&vdev0vring0>, > + <&vdev0vring1>, <&rsc_table>; > + memory-region-names = "vdev0buffer", "vdev0vring0", > + "vdev0vring1", "rsc-table"; > + }; should we have a common dtsi, instead of having an overlay for each board? something like arch/arm64/boot/dts/ti/k3-am62-ti-ipc-firmware.dtsi ? the goal would be to avoid duplication, and to have the functionality just working out of the box for all the boards that opt in for it. Francesco