From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C11B0C433E1 for ; Mon, 29 Jun 2020 19:46:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A090021527 for ; Mon, 29 Jun 2020 19:46:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593459971; bh=Z7NsjXxpZEVCJp2cpvTUtpY6YzyZYuNUqTIoUiYB53c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KuwohFB9kzV24BV+bYr2Dl5ATuQShU4FuW9T7RhZVJqw9fGkfPm3lu7rhTwd9Hb5j w3dcQA3SyMA7onrc9VEQIGAD1Exzty8+MuQze/+aDVcUZxT/cv7AyomaKe1BgAnL7M 0YR5o/uXVuV96ikPCcswNWK0KM2xp5vULJSb1Aso= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388024AbgF2Tpr (ORCPT ); Mon, 29 Jun 2020 15:45:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:47652 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387822AbgF2Tko (ORCPT ); Mon, 29 Jun 2020 15:40:44 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AC7762493A; Mon, 29 Jun 2020 15:28:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593444485; bh=Z7NsjXxpZEVCJp2cpvTUtpY6YzyZYuNUqTIoUiYB53c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=etklJRmsjiUMWkLWrEVOhnOr1PGJCHguZiSUz2v4fPG1I3FqDCU1u001gt2TsoZXz jtWsxpzoTCnwBW9G1aJwqmogPL2himIiRrZ6xVTEq0gaCFPVTIZV+rrYM7VZcda0CG JPMr88R613ci6VuWsJAggpJjEEt/MHh0CcotBwW8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Robin Gong , Dong Aisheng , Fabio Estevam , Shawn Guo , Greg Kroah-Hartman Subject: [PATCH 5.4 162/178] arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range Date: Mon, 29 Jun 2020 11:25:07 -0400 Message-Id: <20200629152523.2494198-163-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629152523.2494198-1-sashal@kernel.org> References: <20200629152523.2494198-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.50-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-5.4.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 5.4.50-rc1 X-KernelTest-Deadline: 2020-07-01T15:25+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Robin Gong commit cfb12c8952f617df58d73d24161e539a035d82b0 upstream. Correct ldo1 voltage range from wrong high group(3.0V~3.3V) to low group (1.6V~1.9V) because the ldo1 should be 1.8V. Actually, two voltage groups have been supported at bd718x7-regulator driver, hence, just corrrect the voltage range to 1.6V~3.3V. For ldo2@0.8V, correct voltage range too. Otherwise, ldo1 would be kept @3.0V and ldo2@0.9V which violate i.mx8mn datasheet as the below warning log in kernel: [ 0.995524] LDO1: Bringing 1800000uV into 3000000-3000000uV [ 0.999196] LDO2: Bringing 800000uV into 900000-900000uV Fixes: 3e44dd09736d ("arm64: dts: imx8mn-ddr4-evk: Add rohm,bd71847 PMIC support") Cc: stable@vger.kernel.org Signed-off-by: Robin Gong Reviewed-by: Dong Aisheng Reviewed-by: Fabio Estevam Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts index 11c705d225d02..9ad1d43b8ce75 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts @@ -268,7 +268,7 @@ ldo1_reg: LDO1 { regulator-name = "LDO1"; - regulator-min-microvolt = <3000000>; + regulator-min-microvolt = <1600000>; regulator-max-microvolt = <3300000>; regulator-boot-on; regulator-always-on; @@ -276,7 +276,7 @@ ldo2_reg: LDO2 { regulator-name = "LDO2"; - regulator-min-microvolt = <900000>; + regulator-min-microvolt = <800000>; regulator-max-microvolt = <900000>; regulator-boot-on; regulator-always-on; -- 2.25.1