From patchwork Mon Apr 22 10:02:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 2471651 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id 0FA053FD40 for ; Mon, 22 Apr 2013 12:05:02 +0000 (UTC) Received: from merlin.infradead.org ([205.233.59.134]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UUDcw-0002rN-08; Mon, 22 Apr 2013 10:05:40 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UUDcF-0003NX-Bb; Mon, 22 Apr 2013 10:04:55 +0000 Received: from mail.free-electrons.com ([94.23.35.102]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UUDcC-0003My-Rb for linux-arm-kernel@lists.infradead.org; Mon, 22 Apr 2013 10:04:53 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 4109DBEE; Mon, 22 Apr 2013 12:04:52 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.3.2 Received: from localhost (per18-1-82-246-202-189.fbx.proxad.net [82.246.202.189]) by mail.free-electrons.com (Postfix) with ESMTPSA id 8CAC6C34; Mon, 22 Apr 2013 12:02:31 +0200 (CEST) From: Maxime Ripard To: Andrew Morton , Shawn Guo , Florian Tobias Schandinat Subject: [PATCH 1/4] ARM: cfa10036: dt: Change i2c0 clock frequency Date: Mon, 22 Apr 2013 12:02:22 +0200 Message-Id: <1366624945-5708-2-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1366624945-5708-1-git-send-email-maxime.ripard@free-electrons.com> References: <1366624945-5708-1-git-send-email-maxime.ripard@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130422_060452_976426_52854E0B X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-fbdev@vger.kernel.org, Russell King , Maxime Ripard , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The OLED display can work faster. Change the i2c controller clock frequency to remove the tearing effect that can be seen on the display. Signed-off-by: Maxime Ripard --- arch/arm/boot/dts/imx28-cfa10036.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts index 40488f5a8..a524caf 100644 --- a/arch/arm/boot/dts/imx28-cfa10036.dts +++ b/arch/arm/boot/dts/imx28-cfa10036.dts @@ -67,6 +67,7 @@ i2c0: i2c@80058000 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_b>; + clock-frequency = <400000>; status = "okay"; ssd1306: oled@3c {