From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964859AbcKNVRV (ORCPT ); Mon, 14 Nov 2016 16:17:21 -0500 Received: from muru.com ([72.249.23.125]:59952 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753070AbcKNVRT (ORCPT ); Mon, 14 Nov 2016 16:17:19 -0500 Date: Mon, 14 Nov 2016 13:17:15 -0800 From: Tony Lindgren 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 Subject: Re: [PATCH v3] dts: omap5: board-common: fix wrong SMPS6 (VDD-DDR3) voltage Message-ID: <20161114211714.GV7138@atomide.com> References: <9718ff02c1c863e97bf1247009db8292fcff7d8d.1479124514.git.hns@goldelico.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9718ff02c1c863e97bf1247009db8292fcff7d8d.1479124514.git.hns@goldelico.com> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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