From nobody Sat Apr 11 09:09:39 2026 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C0D733F8B9 for ; Tue, 3 Mar 2026 12:13:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772540034; cv=none; b=Z3rlK3WnRf9Tpn+k5PUbE0bM5KWnL55b4qoXyTMp8CB5tSSu9+vm0iyiYdLGAFkj+/dI/CmUs9kbMFRjUB2pGzlXhfNHdonUG9Hqu8jTEUewbTYhUo8ucte5TPHf7e41fbhslER/k3CQyejdC/RLTtbysGHw+S4Z0ojWUbxKwGY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772540034; c=relaxed/simple; bh=iaaMMI/k7WQJvHt1nbIJyR0XOGadyN9uqrto12B+tb8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Y9re9usrSdpr4JrgZovIDiVkMZaHCRAJ2Wbi1WCDF8ycGOaYBCMfr6sSZ/08SEJDTsTmN3yN1wR37Q2iV0HU1HB80ZNm/rt4hEhikwRfye6Y8I1v7br7OyLGkLXEMWeA3sna7I3EGi2wQlSU9vSGP5C67NGB1k0sAzYRmf3Cxlw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=b+PkR2E/; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="b+PkR2E/" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-4807068eacbso46107205e9.2 for ; Tue, 03 Mar 2026 04:13:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772540031; x=1773144831; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=gqNb2+lvfz7Zcwb57rdSTxDdzqT6Z0aXOwyE7epiZnM=; b=b+PkR2E/yqp3sjeQEHG9fxnuYzEqG2kN0rb2b73pAQUG0wRwrJlviVsqMg1baunqoc fIKzcYxFIRaiUdFCE2/Ljcfu0i13QjMt/s4gfppDu/FTsaVeakFV1CyBUC3pEvgxoazS l088DpZsJleH1mKC2UTdMaBfIqBc70jc4+ipx3ZGFfF2zaJwB3vtEqHxujVDkC2xTFBB yb9qI72YTpLl01qz/Xcw2s4FpanVrcX6f9L1N5c4q+tXzQKih9fnlDpiJ0qf1lXeSNBR i/byKpn9H66Emw4G47wztKxq//Nn4RcS/3CdBec3qCaAbKko+jmydLQIuMPTej0rPGct oJ0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772540031; x=1773144831; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=gqNb2+lvfz7Zcwb57rdSTxDdzqT6Z0aXOwyE7epiZnM=; b=JbFpEfzIx3HYO5QMPdaLJ/AfQQPgIU9v1j9T03JKzLXG+ixEGddd4+ue9BSV2UGuyU 5QifECVWdDWVgJ8gslpuTo5Dji7/COl3qamE28fIAhmWQHXzcg6SV7Ps+5uoaUVezwqy saQv3VIbcj6LPeOHd/tp4wc5uSexIBQ5pMrjdtwduEWY90NOaysh1X5O+SP7XuVzGfed Tsth0MLwe7V0pg/qNMIh0pIl8KA/uYatiO4UZSIMdvo0jF+0rQeXQvwISPXVGyY5Acve 5jGtdciEbxSlAoe/71s72P4j3kTey+ZEGUIH61TcalqTx+cgIlIl1KVpTB7mdprBU24T HdXw== X-Forwarded-Encrypted: i=1; AJvYcCVEg30bQx4/hXG6Y9rTGw+zvbWwh/EzSTLje8T6j37aUScMOVST1+hCyM6gwvnAUrTgQF2BonlHUtygMHU=@vger.kernel.org X-Gm-Message-State: AOJu0Yyf61FbH33fuZfAzwf3SFptpPBns4wKw1+fePSVz4yYKo98lrXF YQl7kKfzaekLV8SXPJf8ANVoWBb+KBI2lTnqCP694zR+x9C5NiMjDdko X-Gm-Gg: ATEYQzxkvubeFhAUsmkK3Twkz48XmSGqrbScpcmzlxnyNtyAgcAsyANVwrAGD/Qyryq idYHXJy1V5RIiBbzl2s0a93n6DPXArkNkLg5Kgk4R3kyadiFdsyT3SVTCIDm8xVa/syU8MvyK64 lXawF6YKiVPtkzhNKJcMsLc9NOdyw83Ck9bV6Y6J2T74p71JihDncFubcCxDr2wt1nZTAxCNBQI 9LESbtnxVy2DWv5D6vcO3DxMyORHR8AstHME2AZk5V3jyykWC/rHd51ccWFWpnoTwqAfRJQJLLF nx2Vjde+zshZdEIp15duLdloR8MlA7nSWm82lkqCZC+wnDAlTVXPZ2h3ggwRnMkYOzX1ucxEK5r js9/vy/HCqiaboB/0hFntooKGznKaQ7sTcDClvKXOMN5jca5rKgAXOILmePrHwD/CNGRwhtmt3F rVIv2TQL/ZSacgl+zWGObXbwVBlZm3c3IpUgFcLIGInXZ8P5lGSMDCso705IyI0DxV6ZkYvDnkU 6bpR2ZAUk/n5Des X-Received: by 2002:a05:600c:4fc8:b0:47b:e2a9:2bd7 with SMTP id 5b1f17b1804b1-483c9beaca0mr330124105e9.19.1772540031180; Tue, 03 Mar 2026 04:13:51 -0800 (PST) Received: from emanueleg-nb.corp.toradex.int (93-34-120-147.ip49.fastwebnet.it. [93.34.120.147]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4399c75b272sm33572593f8f.24.2026.03.03.04.13.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 04:13:50 -0800 (PST) From: Emanuele Ghidoli To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer Cc: Emanuele Ghidoli , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] arm64: dts: freescale: imx95-toradex-smarc: Support Cortex M7 Date: Tue, 3 Mar 2026 13:13:06 +0100 Message-ID: <20260303121324.1576841-1-ghidoliemanuele@gmail.com> X-Mailer: git-send-email 2.43.0 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 Content-Type: text/plain; charset="utf-8" From: Emanuele Ghidoli Enable Cortex M7, the vring nodes, a mailbox and reserve DDR memory for the M7. The remoteproc framework is so capable to load and run the M7 firmware. Signed-off-by: Emanuele Ghidoli --- .../dts/freescale/imx95-toradex-smarc.dtsi | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi b/arch/= arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi index 5932ba238a8a..77c4a6dee098 100644 --- a/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi +++ b/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi @@ -42,6 +42,16 @@ clk_serdes_eth_ref: clock-eth-ref { enable-gpios =3D <&som_gpio_expander_1 13 GPIO_ACTIVE_HIGH>; }; =20 + cm7: remoteproc-cm7 { + compatible =3D "fsl,imx95-cm7"; + mbox-names =3D "tx", "rx", "rxdb"; + mboxes =3D <&mu7 0 1 + &mu7 1 1 + &mu7 3 1>; + memory-region =3D <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, + <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>, <&m7_reserved>; + }; + connector { compatible =3D "gpio-usb-b-connector", "usb-b-connector"; /* SMARC P64 - USB0_OTG_ID */ @@ -156,6 +166,42 @@ linux_cma: linux,cma { alloc-ranges =3D <0 0x80000000 0 0x7f000000>; linux,cma-default; }; + + m7_reserved: memory@80000000 { + reg =3D <0 0x80000000 0 0x1000000>; + no-map; + }; + + rsc_table: memory@88220000 { + reg =3D <0 0x88220000 0 0x1000>; + no-map; + }; + + vdev0vring0: memory@88000000 { + reg =3D <0 0x88000000 0 0x8000>; + no-map; + }; + + vdev0vring1: memory@88008000 { + reg =3D <0 0x88008000 0 0x8000>; + no-map; + }; + + vdev1vring0: memory@88010000 { + reg =3D <0 0x88010000 0 0x8000>; + no-map; + }; + + vdev1vring1: memory@88018000 { + reg =3D <0 0x88018000 0 0x8000>; + no-map; + }; + + vdevbuffer: memory@88020000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0x88020000 0 0x100000>; + no-map; + }; }; }; =20 @@ -572,6 +618,10 @@ &lpuart3 { pinctrl-0 =3D <&pinctrl_uart3>; }; =20 +&mu7 { + status =3D "okay"; +}; + /* SMARC MDIO, shared between all ethernet ports */ &netc_emdio { pinctrl-names =3D "default"; --=20 2.43.0