From patchwork Thu Jul 24 13:38:24 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Prchal X-Patchwork-Id: 373424 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0FA29140190 for ; Thu, 24 Jul 2014 23:38:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758972AbaGXNi3 (ORCPT ); Thu, 24 Jul 2014 09:38:29 -0400 Received: from router.aksignal.cz ([188.175.113.102]:44496 "EHLO router.aksignal.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758966AbaGXNi3 (ORCPT ); Thu, 24 Jul 2014 09:38:29 -0400 Received: from localhost (localhost [127.0.0.1]) by router.aksignal.cz (Postfix) with ESMTP id 69D9854C002; Thu, 24 Jul 2014 15:38:26 +0200 (CEST) X-Virus-Scanned: by amavisd-new at aksignal.cz Received: from router.aksignal.cz ([127.0.0.1]) by localhost (router.aksignal.cz [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2tFJcKVHD6ik; Thu, 24 Jul 2014 15:38:24 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by router.aksignal.cz (Postfix) with ESMTP id AEC5654C003; Thu, 24 Jul 2014 15:38:24 +0200 (CEST) Received: from [10.0.1.101] (unknown [10.0.1.101]) by router.aksignal.cz (Postfix) with ESMTP id 8292A54C002; Thu, 24 Jul 2014 15:38:24 +0200 (CEST) Message-ID: <53D10C50.50305@aksignal.cz> Date: Thu, 24 Jul 2014 15:38:24 +0200 From: =?UTF-8?B?SmnFmcOtIFByY2hhbA==?= Reply-To: jiri.prchal@aksignal.cz Organization: AK signal Brno User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Bo Shen , nicolas.ferre@atmel.com, boris.brezillon@free-electrons.com CC: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH] ARM: at91: at91sam9x5: sets NPCS0 (PA14) back to GPIO References: <1405074175-22444-1-git-send-email-voice.shen@atmel.com> In-Reply-To: <1405074175-22444-1-git-send-email-voice.shen@atmel.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org After ROMBOOT tries boot from flash on SPI0 NPCS0, this NPCS0 (PA14) remains set to PERIPH_A. Because of that, this pin is unusable to something else. This patch sets it back to GPIO. Signed-off-by: Jiri Prchal --- a/linux-3.16-rc6/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/linux-3.16-rc6/arch/arm/boot/dts/at91sam9x5.dtsi @@ -624,7 +624,8 @@ atmel,pins = ; /* PA13 periph A SPI0_SPCK pin */ + AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA13 periph A SPI0_SPCK pin */ + AT91_PIOA 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; /* set from ROMBOOT to periph A */ }; };