From patchwork Fri Mar 21 05:20:13 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lokesh Vutla X-Patchwork-Id: 3871211 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 28A97BF540 for ; Fri, 21 Mar 2014 05:21:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6942F20259 for ; Fri, 21 Mar 2014 05:21:07 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6503D20253 for ; Fri, 21 Mar 2014 05:21:06 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WQrt6-00067y-31; Fri, 21 Mar 2014 05:21:00 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WQrt1-00011c-OS; Fri, 21 Mar 2014 05:20:55 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WQrsz-00011A-9W for linux-arm-kernel@lists.infradead.org; Fri, 21 Mar 2014 05:20:53 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s2L5KOCW016242; Fri, 21 Mar 2014 00:20:25 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s2L5KOj6012416; Fri, 21 Mar 2014 00:20:24 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Fri, 21 Mar 2014 00:20:24 -0500 Received: from a0131933lt.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s2L5KKFh015708; Fri, 21 Mar 2014 00:20:21 -0500 From: Lokesh Vutla To: Subject: [PATCH] ARM: dts: am437x-gp-evm: Do not reset gpio5 Date: Fri, 21 Mar 2014 10:50:13 +0530 Message-ID: <1395379213-15451-1-git-send-email-lokeshvutla@ti.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140321_012053_398355_346651D0 X-CRM114-Status: UNSURE ( 6.45 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.9 (------) Cc: nm@ti.com, devicetree@vger.kernel.org, Dave Gerlach , tony@atomide.com, rnayak@ti.com, nsekhar@ti.com, lokeshvutla@ti.com, bcousson@baylibre.com, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dave Gerlach Do not reset GPIO5 at boot-up because GPIO5_7 is used on AM437x GP-EVM to control VTT regulators on DDR3. Without this some GP-EVM boards will fail to boot because of DDR3 corruption. Reported-by: Nishanth Menon Tested-by: Nishanth Menon Signed-off-by: Dave Gerlach Signed-off-by: Lokesh Vutla --- This is applied on top of current linux-next. git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master arch/arm/boot/dts/am437x-gp-evm.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index df8798e..a055f7f 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -117,6 +117,11 @@ status = "okay"; }; +&gpio5 { + status = "okay"; + ti,no-reset-on-init; +}; + &mmc1 { status = "okay"; vmmc-supply = <&vmmcsd_fixed>;