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 9118EE9A048 for ; Thu, 19 Feb 2026 14:42:23 +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: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:In-Reply-To:References:List-Owner; bh=TyuelZ+E4C+VYFranha+zBDCO7Q94VbMlL9wG+QtKvc=; b=JOL1Ry0K1xruhz8irB1HpIotm1 sDX9AT1APnu65YOIO+OYpjB9okRHx0tzx5efamJuoJhbhZaXM8R1FGmcLg2sDws2L+D8xRmVni9cT uOlb0nNYfaGP0LXHBubqpqBSYS48IdCupskbQaQcxP1YDaeugT8HyZfid3kiznjvnl7CcivGeD4NZ E8mMw6gU+iNC+iY5UfimAapWp3Nbo22rER22ET1holBmu+C6ur/7PO/0UVuHfRAtqQfPcUlwyWRs/ /uClKReULndwWSTjBPOJHnFTkhC8bfVfhklvt4Vs3tybSYSzvkJeEK6EHS7yim+Eok+cPzbOtkzUw I3D23r3Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vt5ER-0000000BTRo-01VD; Thu, 19 Feb 2026 14:42:19 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vt5EO-0000000BTRU-2p86 for linux-arm-kernel@lists.infradead.org; Thu, 19 Feb 2026 14:42:17 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 9598643914; Thu, 19 Feb 2026 14:42:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57E74C4CEF7; Thu, 19 Feb 2026 14:42:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771512135; bh=STRB27EWeB6oVhlikxDHPndmSosAoqfOYJy01qlfm2U=; h=From:To:Cc:Subject:Date:From; b=DxDSXsVMd+s2WLtv8IYneiiF2BtKRFWB2oDz+DuL8oEF8N1r1bTA/aAbEA2DDir2x jTLd453//zArrhL4VhZ2lQxS5erOa59crkaQjvS+1+IdMFMUDG698YPxdI9OPqk4gs 3eagilyHMYOmp4o9cwDkxkEL1qfxCz7Bx6dmUlNqHzf7C12KH1XejRsVtmGsDbOoo/ EZ9q7wxDiGji/Sz5jeDErve7JxhqBKOzEc4KLfREkvT2JFoiSG7SJF4OY3qCYHsieE ubYnJGqZe7IrOQr5usDA5TMLyfBx71NXFkz7kUWfYQ1CHj1GL1qnntoyklhM/5ArvV jEysEgu0lEAdA== From: "Rob Herring (Arm)" To: Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Peng Fan , Forrest Shi , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: freescale: imx93: Add Ethos-U65 NPU and SRAM nodes Date: Thu, 19 Feb 2026 08:41:59 -0600 Message-ID: <20260219144200.2633404-1-robh@kernel.org> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260219_064216_745974_2D4BBEF2 X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. 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 i.MX93 contains an Arm Ethos-U65 NPU. The NPU uses the internal SRAM for temporary buffers. The SRAM is larger than 96KB, but that is all that is available to non-secure world. Signed-off-by: Rob Herring (Arm) --- NXP folks, any comments on NPU freq? IIRC, the clock controller supports setting the freq to 1GHz. Is that supported? --- arch/arm64/boot/dts/freescale/imx93.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 7b27012dfcb5..d826d4b5a06b 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -43,6 +43,29 @@ map0 { }; }; }; + + sram: sram@20480000 { + compatible = "mmio-sram"; + reg = <0x0 0x20480000 0x0 0x18000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x20480000 0x18000>; + }; + + soc@0 { + npu@4a900000 { + compatible = "fsl,imx93-npu", "arm,ethos-u65"; + reg = <0x4a900000 0x1000>; + interrupts = ; + power-domains = <&mlmix>; + clocks = <&clk IMX93_CLK_ML>, <&clk IMX93_CLK_ML_APB>; + clock-names = "core", "apb"; + sram = <&sram>; + assigned-clocks = <&clk IMX93_CLK_ML>, <&clk IMX93_CLK_ML_APB>; + assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1>, <&clk IMX93_CLK_24M>; + assigned-clock-rates = <800000000>, <24000000>; + }; + }; }; &aips1 { -- 2.51.0