From patchwork Thu Jan 16 14:01:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 11337087 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 49E3F138D for ; Thu, 16 Jan 2020 14:01:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 24A352075B for ; Thu, 16 Jan 2020 14:01:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="i+vaWIN2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24A352075B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=K+XX/SEc8opKAXzjU/k79G4Agb3DpeTQwHq1Bl/mECs=; b=i+vaWIN2Qf0k+M GPTWhm+Ju7nDqkw4bPhBZKt696f0Amjh1pTd7R6pROn9gXPjlTaP6mGqzc88hZVG6GUQEnS2p7wGS 9ot5hBkduAivcBNRnL0OlLOMQR6KNenAHyoKj/qNON36IXG19r8/zL/t1ApdDf565qX/SNAQlMim+ EFzAwJx2hh2z9OccOxP7YTaIbzgyNx0H9A3p4IXSwLFCx3ujbXIEdrimjmpQ755DW9BbJzM1ilDm3 1M74gLLcl9iyGYs/7loFSj74T72zNtPCG33xJfV1CE5VA0a4v5f8e6BepLfcgeuGhQy+b4iaxf5B2 J3+2ZdXA5OxWi7ibTrqA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1is5iL-0006ak-WD; Thu, 16 Jan 2020 14:01:38 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1is5i4-0006LS-65 for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 14:01:28 +0000 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1is5hx-00075c-Es; Thu, 16 Jan 2020 15:01:13 +0100 Received: from mfe by dude02.lab.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1is5hw-0002UC-2t; Thu, 16 Jan 2020 15:01:12 +0100 From: Marco Felsch To: robh+dt@kernel.org, shawnguo@kernel.org, festevam@gmail.com, linux-imx@nxp.com, c.hemp@phytec.de, s.christ@phytec.de, chf.fritz@googlemail.com, s.riedmueller@phytec.de Subject: [PATCH v3 1/2] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Date: Thu, 16 Jan 2020 15:01:07 +0100 Message-Id: <20200116140108.6069-1-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200116_060120_219699_030E6A58 X-CRM114-Status: GOOD ( 11.48 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The current set minimum voltage of 730000µV seems to be wrong. I don't know the document which specifies that but the imx6qdl datasheets says that the minimum voltage should be 0.925V for VDD_ARM (LDO bypassed, lowest opp) and 1.15V for VDD_SOC (LDO bypassed, lowest opp). Fixes: ddec5d1c0047 ("ARM: dts: imx6: Add initial support for phyCORE-i.MX 6 SOM") Signed-off-by: Marco Felsch --- v3: - fix commit message v2: - use ldo bypassed values --- arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi index a1e2c5094d58..51a47a242783 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi @@ -111,14 +111,14 @@ regulators { vdd_arm: buck1 { regulator-name = "vdd_arm"; - regulator-min-microvolt = <730000>; + regulator-min-microvolt = <925000>; regulator-max-microvolt = <1380000>; regulator-always-on; }; vdd_soc: buck2 { regulator-name = "vdd_soc"; - regulator-min-microvolt = <730000>; + regulator-min-microvolt = <1150000>; regulator-max-microvolt = <1380000>; regulator-always-on; };