From patchwork Tue Aug 30 19:17:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Warren X-Patchwork-Id: 1114072 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7UJIWTj013103 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 30 Aug 2011 19:18:54 GMT Received: from canuck.infradead.org ([134.117.69.58]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QyTp4-0000bI-8G; Tue, 30 Aug 2011 19:18:11 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QyTp2-0000p7-Qe; Tue, 30 Aug 2011 19:18:08 +0000 Received: from avon.wwwdotorg.org ([2001:470:1f0f:bd7::2]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QyToP-0000iR-46 for linux-arm-kernel@lists.infradead.org; Tue, 30 Aug 2011 19:17:30 +0000 Received: from severn.wwwdotorg.org (unknown [192.168.65.5]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by avon.wwwdotorg.org (Postfix) with ESMTPS id 11A2E63FC; Tue, 30 Aug 2011 13:19:27 -0600 (MDT) Received: from localhost.localdomain (searspoint.nvidia.com [216.228.112.21]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by severn.wwwdotorg.org (Postfix) with ESMTPSA id 980B6E40EB; Tue, 30 Aug 2011 13:17:26 -0600 (MDT) From: Stephen Warren To: Chris Ball , Grant Likely Subject: [PATCH 3/3] arm/dt: Tegra: Add support-bit to SDHCI nodes Date: Tue, 30 Aug 2011 13:17:17 -0600 Message-Id: <1314731837-6985-3-git-send-email-swarren@nvidia.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1314731837-6985-1-git-send-email-swarren@nvidia.com> References: <1314731837-6985-1-git-send-email-swarren@nvidia.com> X-Virus-Scanned: clamav-milter 0.96.5 at avon.wwwdotorg.org X-Virus-Status: Clean X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110830_151729_401352_BA9D578A X-CRM114-Status: GOOD ( 12.76 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- Cc: Stephen Warren , devicetree-discuss@lists.ozlabs.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, Olof Johansson , Shawn Guo , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Tue, 30 Aug 2011 19:18:54 +0000 (UTC) For Seaboard's internal eMMC, this makes the difference between a 5.5MB/s and 10.2MB/s transfer rate. On Harmony, there wasn't any measurable difference on my cheap/slow ~2MB/s card. Signed-off-by: Stephen Warren --- This depends on patch 1 in this series. I assume Grant or Arnd will apply them both to whatever branch usually takes .dts updates. arch/arm/boot/dts/tegra-harmony.dts | 1 + arch/arm/boot/dts/tegra-seaboard.dts | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index e581866..0e225b8 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -66,5 +66,6 @@ cd-gpios = <&gpio 58 0>; /* gpio PH2 */ wp-gpios = <&gpio 59 0>; /* gpio PH3 */ power-gpios = <&gpio 70 0>; /* gpio PI6 */ + support-8bit; }; }; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index 64cedca..a72299b 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -25,4 +25,8 @@ wp-gpios = <&gpio 57 0>; /* gpio PH1 */ power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; + + sdhci@c8000600 { + support-8bit; + }; };