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[23.128.96.18]) by mx.google.com with ESMTP id o8si15742327edi.429.2021.10.04.23.51.01; Mon, 04 Oct 2021 23:51:25 -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=@kernel.org header.s=k20201202 header.b=AIxfWutv; 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=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232130AbhJEGvb (ORCPT + 99 others); Tue, 5 Oct 2021 02:51:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:36224 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230526AbhJEGvb (ORCPT ); Tue, 5 Oct 2021 02:51:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1683A6137F; Tue, 5 Oct 2021 06:49:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633416581; bh=am9djVxIkg8W2+HaNT26dMc7/VJKG3pWaAhj9MsVOpY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AIxfWutvh/k+OJhI4qaIiphhYrti7ug+t70bHe+cjhOQc+VsrOwXRrXEmmTu5vbXo zS1vDvR31vtFkkCzoiqHljJ4q75CaSFMWg/gTOuCsWiWGMUdxgonnMoTGRxjsxHLOP 4u3WlT9U0saEapGe8VW76AtagEi6ZlO1Nv1I5yVerEPFoyOboXoV9hdRIJ59aKLuY0 Za8gF2OL3A0unIbGK7gGUwx7ywf0VUxrBlLPdBqtPHbwGG/ttWbWcTKutPKX8zgj++ ARWFf+9TUT5/uyOE8eJ0lYEwDd5HZqmk7gWHoAQQcHTLGA+/YbpbqQ+20OVsm/UEHW 1yDnZWF7TouTQ== Date: Tue, 5 Oct 2021 14:49:35 +0800 From: Shawn Guo To: Frieder Schrempf Cc: Frieder Schrempf , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: Re: [PATCH 2/8] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Message-ID: <20211005064934.GY20743@dragon> References: <20210930155633.2745201-1-frieder@fris.de> <20210930155633.2745201-3-frieder@fris.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 30, 2021 at 06:02:01PM +0200, Frieder Schrempf wrote: > On 30.09.21 17:56, Frieder Schrempf wrote: > > 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 > > This should also have: > > Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and > baseboards") $ git log 21c4f45b335f fatal: ambiguous argument '21c4f45b335f': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]' Shawn > Cc: stable@vger.kernel.org > > > --- > > 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; > > }; > >