From patchwork Thu Sep 27 14:07:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10618053 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8F79815E8 for ; Thu, 27 Sep 2018 14:08:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8025F2B6CF for ; Thu, 27 Sep 2018 14:08:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 743FF2B6EA; Thu, 27 Sep 2018 14:08:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C4CD2B6CF for ; Thu, 27 Sep 2018 14:08:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727262AbeI0U0p (ORCPT ); Thu, 27 Sep 2018 16:26:45 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:40080 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727175AbeI0U0o (ORCPT ); Thu, 27 Sep 2018 16:26:44 -0400 Received: by mail-pg1-f196.google.com with SMTP id n31-v6so2052036pgm.7; Thu, 27 Sep 2018 07:08:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dm5u6qPz+qiZpTpZ61emFhPT0rUFtszstfeRwzbhEkA=; b=sBM6gONPhL9orDFgpy61GZi2yX4j9GGmubWlmxzHwXXe5pMiya2SU6iCVMzZQmWJTi Avc6BKdyVXjAbOXjW6D8kasrqiraUEdloYZsWoKCT05/jfyqMJK5WO6n0eimV32ZIdjd 0ApqMHGl5dqTonOcm5uqrCt4B3xhygwKGX0D6roJaBgmvUnQdpzFNLh4fmAN0JG2+GLD FfTcn6XEDJsfebxjRzD6Ud0a1RnHN8DD/l7ZAvT2y6/hjDc7rwIHblS9GmYVPT1GRM9K FQ7IAcOX+dSm0qZuzReEth/N1tYBbEfKk4Hls0izkj29bO3Sa+p5veGejSqiI7E6jv5o q4Vg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dm5u6qPz+qiZpTpZ61emFhPT0rUFtszstfeRwzbhEkA=; b=VBVNhbYfvCrinHFibNYjhu/Kx4pGEw0W1hTlsBRApmncdJ5rIihKwpqHlrWvTXKPAt AFwtMPauXHEd8TkcbIKp68abrxHE7ZXui4bQcR2M5+URo71mSEsIUstJ9LnxE+Jg3udp k1AzLnkBVngmVIHUcR5s10FhWygzisD2jS+hyUY9JYQWwi8kwbBTKrE1Y2NtKASqqt5I XC11dIQBxG20bq8tUdbu0cm8J7edD6EpdFIsssVZwJAS0y/GQ3DISmDMcuRSdIt8/d/q kCU8HZD4YYnE2lfFPV6xLz/ih9K65K4ibk5/Dy/NNW4AUdRd1imgKMP1bbH8fRpLqeOA JRsA== X-Gm-Message-State: ABuFfois5iSL5uHmCpGez23B4EV73vGfgR4xV8W8n2a/8sgjJcKuiAwd usbL346tz+YkY5w55hRIhbk= X-Google-Smtp-Source: ACcGV60xno8+5LYUOszDggyYIlNC1emmONi3NNrF9QOKLg5S6gFR9Xteutvatv3s7kKnGmw1NWbcxg== X-Received: by 2002:a63:4443:: with SMTP id t3-v6mr10517247pgk.102.1538057296243; Thu, 27 Sep 2018 07:08:16 -0700 (PDT) Received: from localhost.localdomain ([103.51.74.185]) by smtp.gmail.com with ESMTPSA id r205-v6sm4259763pgr.11.2018.09.27.07.08.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Sep 2018 07:08:15 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Jaehoon Chung , Ulf Hansson , Marek Szyprowski Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Subject: [PATCHv5 5/6] ARM: dts: exynos: update maximum frequency for emmc to 200MHz Date: Thu, 27 Sep 2018 14:07:37 +0000 Message-Id: <20180927140738.1006-6-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180927140738.1006-1-linux.amoon@gmail.com> References: <20180927140738.1006-1-linux.amoon@gmail.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Set the max-frequency to 200MHz for optimal performace of eMMC. Signed-off-by: Anand Moon --- eMMC root@odroid:~# sudo cat /sys/kernel/debug/mmc0/ios clock: 200000000 Hz actual clock: 200000000 Hz vdd: 7 (1.65 - 1.95 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 10 (mmc HS400) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) --- arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index e522edb2bb82..1f2d3987dde1 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -392,6 +392,7 @@ cap-mmc-highspeed; mmc-hs200-1_8v; mmc-hs400-1_8v; + max-frequency = <200000000>; vmmc-supply = <&ldo18_reg>; vqmmc-supply = <&ldo3_reg>; };