From patchwork Thu May 5 12:34:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 9023951 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4E4D59F30C for ; Thu, 5 May 2016 12:36:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 79732203B8 for ; Thu, 5 May 2016 12:36:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E2F520220 for ; Thu, 5 May 2016 12:36:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755521AbcEEMfp (ORCPT ); Thu, 5 May 2016 08:35:45 -0400 Received: from mailout2.w1.samsung.com ([210.118.77.12]:27246 "EHLO mailout2.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755541AbcEEMfD (ORCPT ); Thu, 5 May 2016 08:35:03 -0400 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout2.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O6P000M6EYC3Q90@mailout2.w1.samsung.com>; Thu, 05 May 2016 13:35:00 +0100 (BST) X-AuditID: cbfec7f5-f792a6d000001302-1f-572b3df42c0a Received: from eusync4.samsung.com ( [203.254.199.214]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 5D.41.04866.4FD3B275; Thu, 5 May 2016 13:35:00 +0100 (BST) Received: from AMDC2174.DIGITAL.local ([106.120.53.17]) by eusync4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O6P00KEEEXN8E00@eusync4.samsung.com>; Thu, 05 May 2016 13:35:00 +0100 (BST) From: Krzysztof Kozlowski To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, Ulf Hansson , Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , Greg Kroah-Hartman , Mark Brown Cc: tjakobi@math.uni-bielefeld.de, m.szyprowski@samsung.com, hverkuil@xs4all.nl, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz Subject: [RFC v2 12/13] ARM: dts: exynos: Switch the buck8 to GPIO mode on Odroid U3 Date: Thu, 05 May 2016 14:34:25 +0200 Message-id: <1462451666-17945-13-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1462451666-17945-1-git-send-email-k.kozlowski@samsung.com> References: <1462451666-17945-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrPLMWRmVeSWpSXmKPExsVy+t/xa7pfbLXDDZatl7PYOGM9q8XUh0/Y LCY9ec9sMf/IOVaLiSsnM1s0L17PZnFq8jMmi9cvDC02Pb7GanF51xw2iyP/+xktPvceYbSY cX4fk8WiZa3MFmuP3GW3OL27xKJt9QdWi+Nrwx2EPHbOusvusXmFlsemVZ1sHneu7WHz2D93 DVBoSb3Hv2PsHn1bVjF6fN4k53Hq62f2AK4oLpuU1JzMstQifbsEroyLR66xFGxhq7i8cA17 A+Nm1i5GTg4JAROJX7/b2CBsMYkL99YD2VwcQgJLGSUuv7zNCOE0MkksWvyKCaSKTcBYYvPy JWBVIgI3mCVe7ZzMDOIwC+xglPi77A5LFyMHh7BAmMTD/0EgDSwCqhItZ5aBNfMKeEg8XtEO tVpO4uSxyWA2J1D87K/5YLaQgLvEod/TGScw8i5gZFjFKJpamlxQnJSea6RXnJhbXJqXrpec n7uJERLsX3cwLj1mdYhRgINRiYc3Y65WuBBrYllxZe4hRgkOZiURXnlgrAjxpiRWVqUW5ccX leakFh9ilOZgURLnnbnrfYiQQHpiSWp2ampBahFMlomDU6qBUTrzbct7WcvtCt8nzpXrmC8r z+wV8zYlr+1Ork7z6wlvG0KS13bIiJzlUf8exny3cFXW+1Uffqu0FTP+StFayLjNMmLxwtf3 Q1coRn/7OjVcL3HrrfWbN7P0de/imfGH9XOc2VnRjz97njYcDfotyxF4gemM0vYSfibnuxxT t8hzxZm85hR9pcRSnJFoqMVcVJwIAJB2I9FyAgAA Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-9.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Switch the control of buck8 to GPIO mode. It is faster than I2C/register mode and it is the easiest way to disable it (regulator state is a logical OR state of GPIO and register value). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Javier Martinez Canillas --- arch/arm/boot/dts/exynos4412-odroidu3.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index d73aa6c58fe3..31cdc036fda4 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -74,6 +74,7 @@ regulator-name = "BUCK8_P3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + maxim,ena-gpios = <&gpa1 1 GPIO_ACTIVE_HIGH>; }; /* VDDQ for MSHC (eMMC card) */