From patchwork Tue Nov 28 21:18:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 13471860 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 4D5EAC4167B for ; Tue, 28 Nov 2023 21:19:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=RE59XiXhNEdmbcaJGYNP6QivMIYEpUO/xhXqBsdDSM4=; b=o2F3YcXKIP/N5c LL5k8AuR1zYYbftr6qfobhyR3ggh/PLE4bHa85mQ2npcr7WPwwvl47jPXfnx+XqqJYGASbr8lS5U8 JUdRWzaguqmKKniNECM+HbACCH9rw4PnJ8ft9sfx5O+dL0fC1mEJ87wozfPEaleMo2NglvVrqa9KD csXFejenAxlLm5aRefcIZAd4Lr5USU2wj6r07HZ3fUNwAq95YrocXS5eITUP9vOtlbQiMYlyVu7UQ 8vgVikHfjNjtzHwhEFLbO/I4JREkYeS/FnZIsjhojkF3Cp+LcJZIiy174pMbZDD/uDjyxJ978/I2J cVwO2fjCwdSXVfYtz06w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r85Th-006O2u-1D; Tue, 28 Nov 2023 21:18:45 +0000 Received: from mail-il1-x129.google.com ([2607:f8b0:4864:20::129]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r85Te-006O25-2f for linux-arm-kernel@lists.infradead.org; Tue, 28 Nov 2023 21:18:44 +0000 Received: by mail-il1-x129.google.com with SMTP id e9e14a558f8ab-35c9bca5600so11946075ab.3 for ; Tue, 28 Nov 2023 13:18:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701206321; x=1701811121; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=UL4SChusK1lb/YwOQOEddQGq0wDopSfaIQXyfIQ8Eac=; b=VshihExePgSgTQKsHx7VoiRzoG9va62eiBY2LmSLKWZZXKDEF/QCFJqg8nUhpDqMlk Xvz0x/mo48AtIhYIoVVOeevFgkWPpED+sCvhSj/odlYm3XMwugyZHbiOx6mcmPQXcGMB M7X7YXVBl1tst90tbtbHObuftyeqgLk2RGS3JGa5Gkxm4g2o6Ku/9KwnWOw7skhVKmAw dM5fGpBUrL65jq4FCKEfIJGCpBzcMANcKEU1IdTTnc0qx41tTEIMO/v67Aaz0du2fU77 y4o9cEux+L5Wj2S4kEQqMkqiyZV8Xb3Ufg8jGkOVhkDXfQjLyrb4ABLuisUnVi4NBaHp O70A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701206321; x=1701811121; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=UL4SChusK1lb/YwOQOEddQGq0wDopSfaIQXyfIQ8Eac=; b=a5tYYLDdrTGILEZP/GJnlyclh9boEoR104Ar6JmlN+RFrsZQZ3EUNcQOI17ZwjriQA e0g6O7AlRHl6eI7Sc898x540lL6X+HGBYJz/S6ZK4vYV9oOA6aZave2ycF/QZBnt9Osf PrgIIxcqCcJKXtAKAtL3uKSKuSocAZTTStLaZ2S5mzfGeEIPkYLrYkZj8EYBonAm50Rh koKKSiQAmH3R0uBFOhXNbpRbYt586BiB+jIegFbk0uOysFL05J8pA9pTAdeDpgF1j3a9 YmdZU19Eo6Be+7qP6GtpRRDY1cxm4zNVQAnkMQCSKceU2RfAyj6+oZGcNvteOvVCew/D +WtQ== X-Gm-Message-State: AOJu0Yw6xvrKj4PB0thHwe66k3nPVawZAK0bir3KT3bE6fb+moz5Pj6s wHy2BnZzSA+rMVkE6r/NkwIBZ48x/4MLXQ== X-Google-Smtp-Source: AGHT+IFerwHWb1cSOZdOoNCEQVsDbqmV+rX3p+k4yOtxnBCjIoKdpfjSYyAA75sfEDZiIctoS0vdJw== X-Received: by 2002:a05:6e02:96f:b0:35c:ece0:75bd with SMTP id q15-20020a056e02096f00b0035cece075bdmr6507603ilt.26.1701206321002; Tue, 28 Nov 2023 13:18:41 -0800 (PST) Received: from aford-System-Version.lan ([2601:447:d002:5be:9cf:804b:3499:a67b]) by smtp.gmail.com with ESMTPSA id f15-20020a056e020b4f00b0035cb9b85123sm299991ilu.46.2023.11.28.13.18.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 13:18:40 -0800 (PST) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] arm64: dts: imx8mn: Enable Overdrive mode Date: Tue, 28 Nov 2023 15:18:31 -0600 Message-Id: <20231128211832.313544-1-aford173@gmail.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_131842_863767_2050DAD9 X-CRM114-Status: GOOD ( 10.87 ) 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 The i.MX8M Nano supports and overdrive mode if the SoC is given the proper voltage. Add imx8mn-overdrive.dtsi file which can be included by boards who support the voltage necessary to handle the faster clocks. This increases the GPU clocks from 400MHz to 600MHz. Signed-off-by: Adam Ford diff --git a/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi new file mode 100644 index 000000000000..5d03fb893e90 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +&gpu { + assigned-clocks = <&clk IMX8MN_CLK_GPU_CORE>, + <&clk IMX8MN_CLK_GPU_SHADER>, + <&clk IMX8MN_CLK_GPU_AXI>, + <&clk IMX8MN_CLK_GPU_AHB>, + <&clk IMX8MN_GPU_PLL>; + assigned-clock-parents = <&clk IMX8MN_GPU_PLL_OUT>, + <&clk IMX8MN_GPU_PLL_OUT>, + <&clk IMX8MN_SYS_PLL1_800M>, + <&clk IMX8MN_SYS_PLL1_800M>; + assigned-clock-rates = <600000000>, + <600000000>, + <800000000>, + <400000000>, + <1200000000>; +};