From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="masbeh8U" Received: from mail-il1-x133.google.com (mail-il1-x133.google.com [IPv6:2607:f8b0:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B859C7D84; Tue, 28 Nov 2023 13:18:41 -0800 (PST) Received: by mail-il1-x133.google.com with SMTP id e9e14a558f8ab-35ca9a9719cso10908175ab.1; Tue, 28 Nov 2023 13:18:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701206321; x=1701811121; 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=UL4SChusK1lb/YwOQOEddQGq0wDopSfaIQXyfIQ8Eac=; b=masbeh8U9VmFJHd2cs1cAfXkTnc1KLpYf8TgJR5u7xXxQlY2QzeeXthtb7SZPRHBrA W0L7slCw1xuyDnJtcbsRL0R62sKFixgd4AQKL7ryBF/C2fiJ67kzwrgBqYTkq7e0L3hE WbR8wGvLURtRqUYLHecp6J7q1aZmrbgNP2FI5bujFexraVEyJ0aKY2SE6ovl3cvBgeCb 977NZj4x8+edMDncJS1QXv0i9fW2AhCxua+6LCTyIzQEbrw7G2ghNNXvNtNv3WuVOWOt y15raKYRUvm2kLT0V9XmcQ5oijlidCiCsmPiJkpYUkaCMxpnviaE2nkoahmTTm1o144u 4YkA== 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=SvRKIkX1bCS7l8c0SGKz/gU1lbG12VoFvOfCaoN3Jn8YeYIMmC1F6hXKT5i8pkEblV GgxE6e2lkjEfEgeZzfOxKTfT5TBx3o4ruqhZGxjZAIbQh3ABoXlFSYUK5Bm69UiOKAKC YTAIDduRrtAqdY6liroPwg1CjkQsTXi9xzKsqTWQRkICLqEitWQbfv2SaVuvURTk0b1B r//JwJyPIle29AQgGcdU7bUjIOwFtfDDmTcHXXJiCm4ODOVx7mz3hsnftIuyHtKgMd+J OYUrqGQEc5QJES/nt6rcF/ZIey4dwGzNyVRS3rxI1NgI1/RNk8rlPOsPFGJ88vTrVpxn Zwfw== X-Gm-Message-State: AOJu0YwWop7CjocomSVXdg17at/OG2lNHDjTEuLx/PKIfOcxUGPz3zEL sBU+CmK/1c8ldeEVlcXXFqA= 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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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>; +}; -- 2.40.1