From patchwork Fri Jun 2 09:21:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "J, KEERTHY" X-Patchwork-Id: 9762025 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 956D060360 for ; Fri, 2 Jun 2017 09:22:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9403827FB8 for ; Fri, 2 Jun 2017 09:22:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 882DA28521; Fri, 2 Jun 2017 09:22:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0392527FB8 for ; Fri, 2 Jun 2017 09:22:55 +0000 (UTC) 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=JuaaQ6EX+8fAleMvKPQU6oWBoysJbclN1FMQVJ2QsS8=; b=KncUZ6TVtMcrDv qDR9dqPdy3ySuYax/t4r/teytdo1PoUUDncIxhKndJi67Z3FkMypiIIVwZ7dFbjBWY2tJbRpYsPFs 59XgknXB88Xr0EcLeTkS5Fw4unq+c91A+qFgx4zUHQd7Uu6+gRo+u6BnnebrV9RwtUUF/mVFRfJDC wk43ilyjDOHXihNVyYX5k+b+hjglkeWBsNVbaFx6xe86APitZ2LWwsdRkduk10ibeZgYSUmUhPHpp CK+DEe7UC74nZwLKl8bo7DCzD8jNG7THqemlYXL6/6qBgEr8ZweXf28p5u/OcNB5cBF4sdFKZPN49 S2roqiSI9LdNGlWEuMwQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dGinF-0000yQ-Ms; Fri, 02 Jun 2017 09:22:53 +0000 Received: from lelnx193.ext.ti.com ([198.47.27.77]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dGinC-0000vs-I8 for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2017 09:22:52 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx193.ext.ti.com (8.15.1/8.15.1) with ESMTP id v529MOJT009618; Fri, 2 Jun 2017 04:22:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1496395344; bh=q03RZAuFZbNk0FrQeEQsp45tY3f5cYgGe2BavcOStvY=; h=From:To:CC:Subject:Date; b=IxGV0fA3prd3iVSNGXR1uIifKtyyPAxFdF9e2rL1ClyAXa9dXSy3TNUbxbBl5EKmY 7KnDlQ9tl4syESvViQKRsYMxLIsfNDJtliJ7UV+D3arekAiEn0lbCTdtsjPJyldTGU 7qXQ1z0ieKY84byNGRVWc/fDfcxspsGHp3peyjwk= Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v529MOZj027509; Fri, 2 Jun 2017 04:22:24 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.294.0; Fri, 2 Jun 2017 04:22:24 -0500 Received: from ula0393675.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v529MI13011728; Fri, 2 Jun 2017 04:22:19 -0500 From: Keerthy To: Subject: [PATCH] ARM: dts: Remove min and max voltage values for dcdc3 Date: Fri, 2 Jun 2017 14:51:48 +0530 Message-ID: <1496395308-29471-1-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170602_022250_728924_98BB250A X-CRM114-Status: UNSURE ( 5.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, j-keerthy@ti.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, robh+dt@kernel.org, linux-omap@vger.kernel.org, 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 X-Virus-Scanned: ClamAV using ClamSMTP dcdc3 supplies to DDR on AM43x series. When we set both min and max values to the same value. The regulator framework sets that particular voltage. This is bad as we are changing the ddr voltage when executing from ddr. Hence remove the min and max values. The ddr supply voltage shall be set from bootloader when not executing from ddr and not while executing from kernel. The previous discussion can be found here: http://www.spinics.net/lists/devicetree/msg56399.html Signed-off-by: Keerthy --- arch/arm/boot/dts/am437x-gp-evm.dts | 2 -- arch/arm/boot/dts/am437x-sk-evm.dts | 2 -- arch/arm/boot/dts/am43x-epos-evm.dts | 2 -- 3 files changed, 6 deletions(-) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 397e98b..29a538e 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -549,8 +549,6 @@ dcdc3: regulator-dcdc3 { regulator-name = "vdcdc3"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; regulator-state-mem { diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index a62e158..2c6bf06 100644 --- a/arch/arm/boot/dts/am437x-sk-evm.dts +++ b/arch/arm/boot/dts/am437x-sk-evm.dts @@ -451,8 +451,6 @@ dcdc3: regulator-dcdc3 { regulator-name = "vdds_ddr"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; regulator-state-mem { diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index f6648ab..54f40f3 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -442,8 +442,6 @@ dcdc3: regulator-dcdc3 { regulator-name = "vdcdc3"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; };