From patchwork Thu Jan 21 05:26:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 8078231 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7B8F2BEEE5 for ; Thu, 21 Jan 2016 05:37:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AF747205B7 for ; Thu, 21 Jan 2016 05:37:57 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DE578205DA for ; Thu, 21 Jan 2016 05:37:56 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aM7uy-0008Ak-7I; Thu, 21 Jan 2016 05:36:24 +0000 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aM7t3-0005V7-QC for linux-arm-kernel@lists.infradead.org; Thu, 21 Jan 2016 05:34:30 +0000 Received: from mirror2.csie.ntu.edu.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (Authenticated sender: b93043) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id 086B224F90; Thu, 21 Jan 2016 13:33:31 +0800 (CST) Received: by mirror2.csie.ntu.edu.tw (Postfix, from userid 1000) id CF21A5F9EC; Thu, 21 Jan 2016 13:33:30 +0800 (CST) From: Chen-Yu Tsai To: Ulf Hansson , Maxime Ripard Subject: [PATCH RFC 11/15] ARM: dts: sun8i: sina33: Enable hardware reset and HS-DDR for eMMC Date: Thu, 21 Jan 2016 13:26:38 +0800 Message-Id: <1453354002-28366-12-git-send-email-wens@csie.org> X-Mailer: git-send-email 2.7.0.rc3 In-Reply-To: <1453354002-28366-1-git-send-email-wens@csie.org> References: <1453354002-28366-1-git-send-email-wens@csie.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160120_213426_518070_2FABC180 X-CRM114-Status: UNSURE ( 8.01 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mmc@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Hans de Goede , Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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, 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 mmc2 has a special pin for eMMC hardware reset, which is controllable from the controller. Add the "mmc-cap-hw-reset" property to denote that this controller supports this function, and the pins are actually used. Also increase the signal drive strength for mmc2 pins, for HS-DDR mode support. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts b/arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts index 13ce68f06dd6..bd2a3beb4629 100644 --- a/arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts +++ b/arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts @@ -109,10 +109,13 @@ vmmc-supply = <®_vcc3v0>; bus-width = <8>; non-removable; + cap-mmc-hw-reset; status = "okay"; }; &mmc2_8bit_pins { + /* Increase drive strength for DDR modes */ + allwinner,drive = ; /* eMMC is missing pull-ups */ allwinner,pull = ; };