From patchwork Sat Sep 22 07:52:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10611341 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 C90D9913 for ; Sat, 22 Sep 2018 07:53:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCB932BEA2 for ; Sat, 22 Sep 2018 07:53:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B11412BF18; Sat, 22 Sep 2018 07:53:27 +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 718A22BEA2 for ; Sat, 22 Sep 2018 07:53:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728243AbeIVNp5 (ORCPT ); Sat, 22 Sep 2018 09:45:57 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:38419 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725837AbeIVNp4 (ORCPT ); Sat, 22 Sep 2018 09:45:56 -0400 Received: by mail-pg1-f195.google.com with SMTP id r77-v6so1919305pgr.5; Sat, 22 Sep 2018 00:53:19 -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=ZHX8GIrwwc8Zp+n6qr9Vgu7L7GqSLWLKvMfjGswpNzh8Q1YX3BM/uNaDdsFgLzU3ru djRa5qErc0caE/RJOt20EE4JY4JgKwKwBp6oZ0Uv6ZLj+nhX4UzU3ahqxMH98fdnpYHW TcUZPaXIHLKJhqmFi5AAeR/ZQ68xxE24DdZYwVxuI/8S6qv5ki/Vg4DrkFFHF07s72/n IHJq711IFaNxao9jfIk68PLPmjRyXzON6mktws8eu23HwxsMgugaHsdyPmPaYn77cjKR CswkrgU187APPsRk7nVF0m8GZoFtmbdEKEqECrIQlIK2oJHpO2ARKOXQMZx15Gsxj+Qg rZOg== 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=deoL8aK6f88nFqYN28MuVkHLx3J3HJWLMaKYZuWD4P6YCBzFi4xweAwfpMGPzLXEkS VLiwlMkl0lBjJ8Kze86lgow3Ftb5SXOGX/FJvRPN69ikdkcntCeh20blbQ+EYYokIrI7 CmoPQuVr6gGCONerCqlaj9nCnfVrzcLPF/7SVur6ieTkqXRKSgMwATaO+Nx9G5G4co0s hBIrCBUmimuyEWZnLWOgGqiRHvNH7oHBWCzH5nODcbSXU/ag5ZYyLuFCRg4jT1pY1lSf bY5W8WNyZtYwFCWdy10VvE75alWawt+Dd7mL7aoew2Fwhi8BTyCVOulS9x2j/Jmd3W2n YDkg== X-Gm-Message-State: ABuFfoh5d9zoEiCoRoxODDz+9iGbCdKPtnRgjRjiSxA6eEG9FtlTk0/n by1cP7jW0jWFYQPs1JnIxoc= X-Google-Smtp-Source: ACcGV60DD5V03qFNq5cEpC4vT5Q5FvnoXmJHel7EXk+y+UxHhcoDy6TttN/+gMrWCBZqySkyr8beAw== X-Received: by 2002:a63:db15:: with SMTP id e21-v6mr1318938pgg.418.1537602798610; Sat, 22 Sep 2018 00:53:18 -0700 (PDT) Received: from localhost.localdomain ([103.51.74.116]) by smtp.gmail.com with ESMTPSA id f67-v6sm53219253pff.29.2018.09.22.00.53.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 22 Sep 2018 00:53:18 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Jaehoon Chung , Ulf Hansson 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: [PATCHv4 5/6] ARM: dts: exynos: update maximum frequency for emmc to 200MHz Date: Sat, 22 Sep 2018 07:52:37 +0000 Message-Id: <20180922075238.884-7-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180922075238.884-1-linux.amoon@gmail.com> References: <20180922075238.884-1-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>; };