From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v3] dts: omap5: board-common: fix wrong SMPS6 (VDD-DDR3) voltage Date: Mon, 14 Nov 2016 13:17:15 -0800 Message-ID: <20161114211714.GV7138@atomide.com> References: <9718ff02c1c863e97bf1247009db8292fcff7d8d.1479124514.git.hns@goldelico.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <9718ff02c1c863e97bf1247009db8292fcff7d8d.1479124514.git.hns@goldelico.com> Sender: linux-kernel-owner@vger.kernel.org To: "H. Nikolaus Schaller" Cc: =?utf-8?Q?Beno=C3=AEt?= Cousson , Rob Herring , Mark Rutland , Russell King , linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pyra-handheld.com List-Id: linux-omap@vger.kernel.org * H. Nikolaus Schaller [161114 03:55]: > DDR3L is usually specified as > > JEDEC standard 1.35V(1.28V~1.45V) & 1.5V(1.425V~1.575V) > > Therefore setting smps6 regulator to 1.2V is definitively below > minimum. It appears that real world chips are more forgiving than > data sheets indicate, but let's set the regulator right. > > Note: a board that uses other voltages (DDR with 1.5V) can > overwrite by referencing &smps6_reg. Applying into omap-for-v4.9/fixes thanks. Tony