From patchwork Thu Dec 19 07:27:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmad Fatoum X-Patchwork-Id: 13914570 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 E57CB7082A for ; Thu, 19 Dec 2024 07:27:44 +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=1734593266; cv=none; b=tVRFT6egmh3j9xyZqh86NbA/KUL25lJQU3QtA0Yh5KtWXpJ2JElfnP5QIvh5qFoNZJeQ7CdOt2rxfYAUtjmcjRWgJSXPkelXsxiFPLz4A3xmMrvsbWHKvJNISuOyYCki9sRduUtaXZx4N8PWxcJ3D8rbmjbZsJ9ihUHsfcEcdfo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734593266; c=relaxed/simple; bh=ygYZ1AvOcZirdO25wvQ4ZgKHzwKg4fkFfV2JKSJqFw8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YHzUMgXbrFiqDn0WJVityCsQfVHB1OS+4fLiHpSgBR2zJu8ijJKaGpvz0gFuio1Ci/hb2dqfkIH0yWuHIu8N8q0RwxB10dCyp92NoQXei6IeiT2VeVZpOcZPFQrA1PNOREM+YNGL4VqdPSDLdWq7RQlhLcD645bKevtXZ//i6iA= 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 1tOAwX-00072C-N2; Thu, 19 Dec 2024 08:27:33 +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 1tOAwW-004AP8-1O; Thu, 19 Dec 2024 08:27:33 +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 1tOAwX-00Gewn-0L; Thu, 19 Dec 2024 08:27:33 +0100 From: Ahmad Fatoum Date: Thu, 19 Dec 2024 08:27:34 +0100 Subject: [PATCH 3/6] arm64: dts: imx8mp: add fsl,nominal-mode property into nominal.dtsi Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241219-imx8m-clk-v1-3-cfaffa087da6@pengutronix.de> References: <20241219-imx8m-clk-v1-0-cfaffa087da6@pengutronix.de> In-Reply-To: <20241219-imx8m-clk-v1-0-cfaffa087da6@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 0.13-dev 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: imx@lists.linux.dev The imx8mp-nominal.dtsi is meant to be included into boards that want to override the default overdrive clock settings with settings suitable for running in nominal drive mode at its lower required voltage. Specifying fsl,nominal-mode informs drivers of this fact, so they can sanity check runtime clock reconfiguration to observe the limits imposed by nominal mode. Signed-off-by: Ahmad Fatoum --- arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi index f9a82a663033..532eb049c7e8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi @@ -21,6 +21,7 @@ &clk { <800000000>, <600000000>, <400000000>; + fsl,nominal-mode; }; &pgc_hdmimix {