From patchwork Mon Jan 6 14:21:46 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmad Fatoum X-Patchwork-Id: 13927531 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 081921DF983 for ; Mon, 6 Jan 2025 14:22:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736173330; cv=none; b=ILeiboZQPmYfOG07LOJegSWVJHuUfAqbBb4xohaAIxShreZYuXRNAKF3Sb8rBe34BI6CiZdPjYAgssEObZWp3op3sRPpWJaQ2Z24Gs/aCENnX179P9GP6HyMssQInBiFWqQHLh9pjda1BrUFBSDv42DQKhXNeQwGyUPZzkda+fU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736173330; c=relaxed/simple; bh=Z5PJWTXHUpdDNMvkpgBC58f9J1RgsGcmAkDtpVMsujk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=MrEdQsTDoah6DKNYGdbjVsEuIFQiemgT77lRxUTNb/NsSzcCzq89G48gMSChkJ/JD0njDKoahrQDnTX6bnO8qM4ByY2Uc7eY9/UV5XXe1I+4AwnZGwrHFn7iCiScfIqYIMZod/P6IwWv2cIPrsBnoyaTKPhwriDwrnn/a1XW4yU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tUnzF-0003vU-CM; Mon, 06 Jan 2025 15:21:45 +0100 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tUnzE-007BR4-0U; Mon, 06 Jan 2025 15:21:44 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tUnzE-008rLw-2a; Mon, 06 Jan 2025 15:21:44 +0100 From: Ahmad Fatoum Date: Mon, 06 Jan 2025 15:21:46 +0100 Subject: [PATCH v2 5/6] arm64: dts: freescale: imx8mp-skov: operate SoC in nominal mode Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250106-imx8m-clk-v2-5-6aaeadac65fe@pengutronix.de> References: <20250106-imx8m-clk-v2-0-6aaeadac65fe@pengutronix.de> In-Reply-To: <20250106-imx8m-clk-v2-0-6aaeadac65fe@pengutronix.de> To: Abel Vesa , Peng Fan , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Abel Vesa , Marek Vasut Cc: linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ahmad Fatoum X-Mailer: b4 0.14.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: a.fatoum@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-clk@vger.kernel.org To reduce heat generation, the Skov i.MX8MP boards should run in nominal drive mode with a VDD_SOC voltage of 850 mV. At this operating point, not all frequencies that are achievable with overdrive mode are possible, so import imx8mp-nominal.dtsi to clock down the clocks. Signed-off-by: Ahmad Fatoum --- arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi index 59813ef8e2bb3a3d5672ba1c5776cf0e45fb6862..9dc36517e90c16dd10d14f55d8d5582e845b0f60 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi @@ -1,6 +1,7 @@ // SPDX-License-Identifier: (GPL-2.0 OR MIT) #include "imx8mp.dtsi" +#include "imx8mp-nominal.dtsi" #include @@ -237,8 +238,8 @@ pmic@25 { regulators { reg_vdd_soc: BUCK1 { regulator-name = "VDD_SOC"; - regulator-min-microvolt = <600000>; - regulator-max-microvolt = <2187500>; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; vin-supply = <®_5v_p>; regulator-boot-on; regulator-always-on;