From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keerthy Subject: Re: [PATCH 0/3] ARM: dts: AM43x: Fix DCDC3 regulator voltage Date: Fri, 7 Nov 2014 14:08:53 +0530 Message-ID: <545C851D.3070905@ti.com> References: <1415271004-10935-1-git-send-email-j-keerthy@ti.com> <20141106182526.GC31454@atomide.com> <545C4EA1.5000802@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <545C4EA1.5000802@ti.com> Sender: linux-omap-owner@vger.kernel.org To: Tony Lindgren Cc: Keerthy , linux-omap@vger.kernel.org, devicetree@vger.kernel.org, galak@codeaurora.org, mark.rutland@arm.com, pawel.moll@arm.com List-Id: devicetree@vger.kernel.org On Friday 07 November 2014 10:16 AM, Keerthy wrote: > On Thursday 06 November 2014 11:55 PM, Tony Lindgren wrote: >> * Keerthy [141106 02:55]: >>> Fix DCDC3 volatge to 1.5V which is the right value to be supplied by >>> DCDC3 for all the boards. >> Hmm so what about the comments for similar beaglebone changes >> in thread "[PATCH] ARM: dts: am335x-boneblack: set dcdc1 regulator >> for 1.35v ddr3"? > Hi Tony, > > am335x uses TPS65917 PMIC and am43x* use TPS65218 PMIC. Typo TPS65917--->TPS65217 > The latest TPS65218 defaults to 1.5V. We see boot hangs when > there is a voltage change from 1.5V to 1.35V in case of AM43x > boards. Hence keeping it at 1.5V. > > Regards, > Keerthy >> >> Regards, >> >> Tony >>> Keerthy (3): >>> ARM: dts: AM43x-EPOS-EVM: Fix DCDC3 voltage >>> ARM: dts: AM437x-GP-EVM: Fix DCDC3 voltage >>> ARM: dts: AM437x-SK-EVM: Fix DCDC3 voltage >>> >>> arch/arm/boot/dts/am437x-gp-evm.dts | 4 ++-- >>> arch/arm/boot/dts/am437x-sk-evm.dts | 4 ++-- >>> arch/arm/boot/dts/am43x-epos-evm.dts | 4 ++-- >>> 3 files changed, 6 insertions(+), 6 deletions(-) >>> >>> -- >>> 1.7.9.5 >>> >