From patchwork Thu Feb 27 11:02:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 11408309 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 2EEE314E3 for ; Thu, 27 Feb 2020 11:03:00 +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 0ABB724690 for ; Thu, 27 Feb 2020 11:03:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="u07Xd5fg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0ABB724690 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=rjdD7fS8JAJbZfXn2RU7rAl6N0F1SxlN04q4X70954k=; b=u07Xd5fgptrbLF dnimKx0+I2/UwnRPY5srAHqBKw3PNg0r/BTMBSdVaBjGqL4DqhSA7t4yGod/niLzKz5DIJz5Vow7q yslSYHtRu6HJtTVAcot8y/8QDslWBcFFjyJYNYMjpj3S5QrbIMiB1zAGWkaiZehayJR5dh0q6iwxi 2qu2bS0CuMXF7Bxh9v9rBgG5rj96baU5OfpWwMTekA8Pdg3XrTd5q4T5pRzmVWr8RoqkI109Tdhm7 Vss6O9Pi1OEM9nxlILUnD9Doy6ZFCPqnypJ2icEv4I6pve25t9wa+4plDWh95Zmz5BkFbmKX+FqxF 3dphbL6SK/VsHbaW6AxQ==; 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 1j7GwU-00026b-Qj; Thu, 27 Feb 2020 11:02:58 +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 1j7GwR-00025t-LH for linux-arm-kernel@lists.infradead.org; Thu, 27 Feb 2020 11:02:56 +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 1j7GwL-00068a-Ag; Thu, 27 Feb 2020 12:02:49 +0100 Received: from mfe by dude02.lab.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1j7GwK-0002GY-Id; Thu, 27 Feb 2020 12:02:48 +0100 From: Marco Felsch To: robh+dt@kernel.org, shawnguo@kernel.org, chf.fritz@googlemail.com, s.riedmueller@phytec.de, s.christ@phytec.de, c.hemp@phytec.de, contact@stefanchrist.eu Subject: [PATCH v4] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Date: Thu, 27 Feb 2020 12:02:46 +0100 Message-Id: <20200227110246.8624-1-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-20200227_030255_697378_7F183F40 X-CRM114-Status: GOOD ( 11.51 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches 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: kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org 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 Reviewed-by: Stefan Riedmueller --- v4: - rebased ontop of v5.6-rc1 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 4d18952658f8..77d871340eb7 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi @@ -112,7 +112,7 @@ regulators { vdd_arm: buck1 { regulator-name = "vdd_arm"; - regulator-min-microvolt = <730000>; + regulator-min-microvolt = <925000>; regulator-max-microvolt = <1380000>; regulator-initial-mode = ; regulator-always-on; @@ -120,7 +120,7 @@ vdd_soc: buck2 { regulator-name = "vdd_soc"; - regulator-min-microvolt = <730000>; + regulator-min-microvolt = <1150000>; regulator-max-microvolt = <1380000>; regulator-initial-mode = ; regulator-always-on;