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 24EEEC55165 for ; Thu, 30 Jul 2026 22:45:05 +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=PmL8PrzgFZ88QcvYUJ8iF3DO19/PLdvUNmeHdMY1mYY=; b=gNrPdQ00H+W7gI2urHy1WS7AER hpFq4LstIY/x+tyA1KbXP7oV6zYOyywZsf2aBJaTgHCQLbVzvLVhW+ChwIwTF5wfx+RuIlki2tuSX psZEDomwdIwZXrVAFolK+F2tA+jmNv/VZoMtMwc/j9eWv2cROSIvrSwPtpMEYSTKVKej0rbhqSkMe 1NnWeJbXlnbGTkAA30Htz4T4pzO7/LZaT2iubFZpA6kNw/EmUp6qmBQedKHRgU3+gzNe7sy4eV7uI 1EUsJdJmjZN1he+fXCi0vpsNPdVh16UOq4YRHamyg+P3Sv+m2Bz2tCEx3dFJj8xMO6xAMv/BgwkvY Wgo0zQTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wpZUi-0000000BRYM-3SEJ; Thu, 30 Jul 2026 22:44:52 +0000 Received: from mx.nabladev.com ([2a00:f820:417:0:178:251:229:89]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wpZUI-0000000BRPL-2BQj for linux-arm-kernel@lists.infradead.org; Thu, 30 Jul 2026 22:44:27 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 4339611B953; Fri, 31 Jul 2026 00:44:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1785451460; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=PmL8PrzgFZ88QcvYUJ8iF3DO19/PLdvUNmeHdMY1mYY=; b=D6UxR/buXzHB0QcQMSWRqoZY/RC1zmq6dFGyoS4EIWla7TzM4xPzHl30z4W3JAcqRkToPt OeGSOVT6E5cKtaZWVY5vedcyEHMGYj7AdR/D+Nh+/QsGyd5d+PYtiv9cQxBet/L5cgMtqT QHa7cnVHXH/d7VwldBsE2dOnOIxle/WPqTCvUZcgGEZsLWeF5pPhYRSfXel8SofdOYglDU gCqAMP+FG+7pE+U1HZcAf3hxT+4k/d0wD9OfuCwweJPksOgEsdZ+PF8+zfa6/jE87EAMgn rkKujZnC0oFQ6gh/FLJp1LU3YJav0mLUnMWinzPjO2kb8/PdkvZ3JyhKBX2S1g== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Conor Dooley , Fabio Estevam , Frank Li , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v8 5/7] arm64: dts: imx8mm: imx8mp: Add CM DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Date: Fri, 31 Jul 2026 00:43:20 +0200 Message-ID: <20260730224351.95006-5-marex@nabladev.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260730224351.95006-1-marex@nabladev.com> References: <20260730224351.95006-1-marex@nabladev.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260730_154426_839355_AC97E9CB X-CRM114-Status: GOOD ( 15.65 ) 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 Add DT overlay which adds CM4/CM7 extras so that CM4/CM7 firmware could be used with remoteproc and rpmsg, but without imposing the overhead on every user of the platform. The CM4 variant applies to i.MX8M Mini, while the CM7 variant applies to i.MX8M Plus . Signed-off-by: Marek Vasut --- Cc: Conor Dooley Cc: Fabio Estevam Cc: Frank Li Cc: Krzysztof Kozlowski Cc: Pengutronix Kernel Team Cc: Rob Herring Cc: Sascha Hauer Cc: devicetree@vger.kernel.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- V2: Deduplicate the DTOs further V3: New patch split from the original megapatch V4: Rebase on next-20260703 V5: Change vdevbuffer to vdev0buffer as requested by maintainer V6: No change V7: No change V8: No change --- arch/arm64/boot/dts/freescale/Makefile | 12 ++++ ...imx8mm-data-modul-edm-sbc-overlay-cm4.dtso | 56 ++++++++++++++++++ ...imx8mp-data-modul-edm-sbc-overlay-cm7.dtso | 57 +++++++++++++++++++ 3 files changed, 125 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 8406efbbb1fd6..5689c461ede81 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -120,6 +120,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx.dtb dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdps-mb-smarc-2.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb +imx8mm-data-modul-edm-sbc-overlay-cm4-dtbs := \ + imx8mm-data-modul-edm-sbc.dtb \ + imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo + imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \ imx8mm-data-modul-edm-sbc.dtb \ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo @@ -157,6 +161,8 @@ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900-dtbs := \ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \ + imx8mm-data-modul-edm-sbc-overlay-cm4.dtb \ + imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo \ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \ @@ -337,6 +343,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb DTC_FLAGS_imx8mp-cubox-m := -@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-cubox-m.dtb +imx8mp-data-modul-edm-sbc-overlay-cm7-dtbs := \ + imx8mp-data-modul-edm-sbc.dtb \ + imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo + imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \ imx8mp-data-modul-edm-sbc.dtb \ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo @@ -418,6 +428,8 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902-dtbs := \ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \ + imx8mp-data-modul-edm-sbc-overlay-cm7.dtb \ + imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo \ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \ diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso new file mode 100644 index 0000000000000..0bd770af2a68c --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2023-2026 Marek Vasut + */ +/dts-v1/; +/plugin/; + +#include + +&{/} { + #address-cells = <2>; + #size-cells = <2>; + + reserved-memory { /* CM4 reserved memory */ + #address-cells = <2>; + #size-cells = <2>; + ranges; + + m_core_reserved: m_core@b7000000 { + reg = <0 0xb7000000 0 0x1000000>; + no-map; + }; + + vdev0vring0: vdev0vring0@b8000000 { + reg = <0 0xb8000000 0 0x8000>; + no-map; + }; + + vdev0vring1: vdev0vring1@b8008000 { + reg = <0 0xb8008000 0 0x8000>; + no-map; + }; + + rsc_table: rsc-table@b80ff000 { + reg = <0 0xb80ff000 0 0x1000>; + no-map; + }; + + vdev0buffer: vdev0buffer@b8400000 { + compatible = "shared-dma-pool"; + reg = <0 0xb8400000 0 0x100000>; + no-map; + }; + }; + + imx8mm-cm4 { + compatible = "fsl,imx8mm-cm4"; + clocks = <&clk IMX8MM_CLK_M4_CORE>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu 0 1 + &mu 1 1 + &mu 3 1>; + memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>; + syscon = <&src>; + }; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso new file mode 100644 index 0000000000000..11d342712da61 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2023-2026 Marek Vasut + */ +/dts-v1/; +/plugin/; + +#include + +&{/} { + #address-cells = <2>; + #size-cells = <2>; + + reserved-memory { /* CM7 reserved memory */ + #address-cells = <2>; + #size-cells = <2>; + ranges; + + m_core_reserved: m_core@54000000 { + reg = <0 0x54000000 0 0x1000000>; + no-map; + }; + + vdev0vring0: vdev0vring0@55000000 { + reg = <0 0x55000000 0 0x8000>; + no-map; + }; + + vdev0vring1: vdev0vring1@55008000 { + reg = <0 0x55008000 0 0x8000>; + no-map; + }; + + rsc_table: rsc-table@550ff000 { + reg = <0 0x550ff000 0 0x1000>; + no-map; + }; + + vdev0buffer: vdev0buffer@55400000 { + compatible = "shared-dma-pool"; + reg = <0 0x55400000 0 0x100000>; + no-map; + }; + }; + + imx8mp-cm7 { + compatible = "fsl,imx8mp-cm7-mmio"; + clocks = <&clk IMX8MP_CLK_M7_CORE>; + fsl,iomuxc-gpr = <&gpr>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu 0 1 + &mu 1 1 + &mu 3 1>; + memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>; + syscon = <&src>; + }; +}; -- 2.53.0