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 59DE9FCC062 for ; Fri, 6 Mar 2026 20:31:19 +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=KVabfjGn7gDPX5fBffLKhVpARqPTjAWjlekod/tgGWs=; b=36egirEE8arlKtfv94kYHG3C/a 0Xegt+XYUbKgBdLQZD8jmKtRPzxgMCzwz3hwd02iWJbd4PxenRtKFMbAgi8HPmEadVzOjyfLQ4J6w 608S/tOmbAzKnlvEMw4uAyyrXBVHMkegKxI98qVwliUDJl3zrAFB+bMaiHFt/JuF0jsYnaJfBglS3 sE+NF7zWn0F/0UUuNxZt7htKCDgb90HQfH5oOb70Lnar2s8wAZQwymZvap/JXb8SlBhb8zoLIor0T aBNgxXaRpy1xD7PMBpQjOJ6q/GyS75wzTeS8n/yN8RPRMF7mGA7WZXqEbQg2gZbNTLpXodoapTbS+ ESAwzxvQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vybpJ-00000004TtK-3oZs; Fri, 06 Mar 2026 20:31:13 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vybpI-00000004TtE-2GHN for linux-arm-kernel@lists.infradead.org; Fri, 06 Mar 2026 20:31:12 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8F0C56001D; Fri, 6 Mar 2026 20:31:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E90BC4CEF7; Fri, 6 Mar 2026 20:31:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772829071; bh=y2TR/OG2MXL4lsCroTuzZzLl5gqQRV2w9LTb8iHNGjs=; h=From:To:Cc:Subject:Date:From; b=UU6csl4rGDcFlBKVQx/fd5t1jVHLKN6o9q+otWVe8SR878m5xNK/aRgmNUga25+vl Zd3S+91AzqzQeAQyoJKWN8PMMxUUUr7Et2K7AUYLUjdGhvi/SuqKTA9xzPncWfvvJU +hX5dE920ltyIf9Z314krYaWVrdFXAKKeEVUTCNmKnLsQM4KREhmyjjZNwwZZ+P5Up /slCRAMl85nkspIs0+2PX7so+4KaFGS0rP83LZ/XoH8+JprjIhSNKGkS5ackrx56lr 1Xc1n70Ul8QCFl3sYl1BPqDnjqPg+oTPprSTQAqHv7UnMyS3xlD0bhQ+Xec0vw1kZg nhXlmC8GSitwg== From: "Rob Herring (Arm)" To: Forrest Shi , Peng Fan , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Peter Robinson , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: freescale: imx93: Add Ethos-U65 NPU and SRAM nodes Date: Fri, 6 Mar 2026 14:31:02 -0600 Message-ID: <20260306203103.3119790-1-robh@kernel.org> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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) --- v2: - Increase the APB freq to 133MHz --- 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..95cc60158349 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_SYS_PLL_PFD1_DIV2>; + assigned-clock-rates = <800000000>, <133000000>; + }; + }; }; &aips1 { -- 2.51.0