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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>; +}; From patchwork Tue Nov 28 21:18:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 13471861 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 7F143C4167B for ; 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Tue, 28 Nov 2023 13:18:42 -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 2/2] arm64: dts: imx8mn-beacon: Support overdrive mode Date: Tue, 28 Nov 2023 15:18:32 -0600 Message-Id: <20231128211832.313544-2-aford173@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231128211832.313544-1-aford173@gmail.com> References: <20231128211832.313544-1-aford173@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_131844_426687_9C64F5C4 X-CRM114-Status: UNSURE ( 9.44 ) 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 The SoC is configured to operate in overdrive mode, so it is safe to include imx8mn-overdrive to run the GPU faster. Signed-off-by: Adam Ford diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi index 90073b16536f..2a64115eebf1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi @@ -3,6 +3,8 @@ * Copyright 2020 Compass Electronics Group, LLC */ +#include "imx8mn-overdrive.dtsi" + / { aliases { rtc0 = &rtc;