From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757392Ab3JJTBm (ORCPT ); Thu, 10 Oct 2013 15:01:42 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:51023 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756084Ab3JJTBk (ORCPT ); Thu, 10 Oct 2013 15:01:40 -0400 Message-ID: <5256F97C.9080101@ti.com> Date: Thu, 10 Oct 2013 14:01:16 -0500 From: Nishanth Menon User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: Tony Lindgren CC: =?ISO-8859-1?Q?Beno=EEt_Cousson?= , Rajendra Nayak , , , , Subject: Re: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1 References: <1381313521-10422-1-git-send-email-rnayak@ti.com> <1381423481-5920-1-git-send-email-nm@ti.com> <20131010164702.GF29913@atomide.com> In-Reply-To: <20131010164702.GF29913@atomide.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/10/2013 11:47 AM, Tony Lindgren wrote: > * Nishanth Menon [131010 09:53]: >> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on >> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which >> supplies VDD_MPU. >> >> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because >> MPU voltage switches over to VSET0 voltage value (boot voltage) which >> is not sufficient to operate the device at OPP100. > > Is this needs as a fix for the -rc series? Nope, this is not a regression recently introduced, has been in since day one of Panda-ES support. Further, we still have decision pending on the dependent series from Rajendra[1] - will be good to see it go in along with AM335x-EVM. [1] http://marc.info/?t=138131368300005&r=1&w=2 -- Regards, Nishanth Menon From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nishanth Menon Subject: Re: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1 Date: Thu, 10 Oct 2013 14:01:16 -0500 Message-ID: <5256F97C.9080101@ti.com> References: <1381313521-10422-1-git-send-email-rnayak@ti.com> <1381423481-5920-1-git-send-email-nm@ti.com> <20131010164702.GF29913@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20131010164702.GF29913@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren Cc: devicetree@vger.kernel.org, Rajendra Nayak , linux-kernel@vger.kernel.org, =?ISO-8859-1?Q?Beno=EEt_Cousson?= , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org On 10/10/2013 11:47 AM, Tony Lindgren wrote: > * Nishanth Menon [131010 09:53]: >> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on >> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which >> supplies VDD_MPU. >> >> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because >> MPU voltage switches over to VSET0 voltage value (boot voltage) which >> is not sufficient to operate the device at OPP100. > > Is this needs as a fix for the -rc series? Nope, this is not a regression recently introduced, has been in since day one of Panda-ES support. Further, we still have decision pending on the dependent series from Rajendra[1] - will be good to see it go in along with AM335x-EVM. [1] http://marc.info/?t=138131368300005&r=1&w=2 -- Regards, Nishanth Menon From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 10 Oct 2013 14:01:16 -0500 Subject: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1 In-Reply-To: <20131010164702.GF29913@atomide.com> References: <1381313521-10422-1-git-send-email-rnayak@ti.com> <1381423481-5920-1-git-send-email-nm@ti.com> <20131010164702.GF29913@atomide.com> Message-ID: <5256F97C.9080101@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/10/2013 11:47 AM, Tony Lindgren wrote: > * Nishanth Menon [131010 09:53]: >> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on >> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which >> supplies VDD_MPU. >> >> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because >> MPU voltage switches over to VSET0 voltage value (boot voltage) which >> is not sufficient to operate the device at OPP100. > > Is this needs as a fix for the -rc series? Nope, this is not a regression recently introduced, has been in since day one of Panda-ES support. Further, we still have decision pending on the dependent series from Rajendra[1] - will be good to see it go in along with AM335x-EVM. [1] http://marc.info/?t=138131368300005&r=1&w=2 -- Regards, Nishanth Menon