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[23.128.96.18]) by mx.google.com with ESMTP id hk18si4809557ejb.238.2021.09.30.14.00.09; Thu, 30 Sep 2021 14:00:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@fris.de header.s=dkim header.b=1Aioh4dT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=fris.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347349AbhI3P6k (ORCPT + 99 others); Thu, 30 Sep 2021 11:58:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347341AbhI3P6j (ORCPT ); Thu, 30 Sep 2021 11:58:39 -0400 Received: from mail.fris.de (mail.fris.de [IPv6:2a01:4f8:c2c:390b::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7459C06176C; Thu, 30 Sep 2021 08:56:56 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E1561BFBD8; Thu, 30 Sep 2021 17:56:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1633017414; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=IU87R0XSQOesOBA4xIK7GNvQVFsVTZb7Gkj0MIhqEes=; b=1Aioh4dTlVijAtyXdQNT6Sr1VrjuoTchdcdV8AUsilm0KCFsGOwVhQb11qNjTnGKprYmes 74mOqHWN9TvgMcnZ1Dcz133RCXaw5B9Zy1lmrZYyXePOv1lNp3z+dPQN7OOaH8wxwOvhlY C5RZHNvpr+yUwUrL/AsLdOnzvdJ42TppXBmQz/UVfXqe65i2VPKnUPkaZdzCWni7v8CMsz kITSaLy5E6ZYTNQNyoJfIwm4lLriGWZnea5+XPdkK25/B/gnOyW76iHaUoR541hQtvzymK MH9/UCI8FNppMp09qp+xfxazn/XZ7gCraNa6Mxl7Q88L6j6qDekW9XpFcoaaow== From: Frieder Schrempf To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 2/8] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Date: Thu, 30 Sep 2021 17:56:25 +0200 Message-Id: <20210930155633.2745201-3-frieder@fris.de> In-Reply-To: <20210930155633.2745201-1-frieder@fris.de> References: <20210930155633.2745201-1-frieder@fris.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frieder Schrempf VDD_SOC should be 800 mV in suspend and 850 mV in run mode. VDD_DRAM should be 950 mV for DDR clock frequencies of 1.5 GHz. This information is taken from the datasheet and the uboot-imx code. Signed-off-by: Frieder Schrempf --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 03b3516abd64..b12fb7ce6686 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -92,10 +92,12 @@ regulators { reg_vdd_soc: BUCK1 { regulator-name = "buck1"; regulator-min-microvolt = <800000>; - regulator-max-microvolt = <900000>; + regulator-max-microvolt = <850000>; regulator-boot-on; regulator-always-on; regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <850000>; + nxp,dvs-standby-voltage = <800000>; }; reg_vdd_arm: BUCK2 { @@ -111,7 +113,7 @@ reg_vdd_arm: BUCK2 { reg_vdd_dram: BUCK3 { regulator-name = "buck3"; regulator-min-microvolt = <850000>; - regulator-max-microvolt = <900000>; + regulator-max-microvolt = <950000>; regulator-boot-on; regulator-always-on; }; -- 2.33.0