From patchwork Tue Jul 24 10:43:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcel Ziswiler X-Patchwork-Id: 948348 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ziswiler.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41ZZhy47YMz9s82 for ; Tue, 24 Jul 2018 20:43:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388704AbeGXLte (ORCPT ); Tue, 24 Jul 2018 07:49:34 -0400 Received: from mout.perfora.net ([74.208.4.197]:50755 "EHLO mout.perfora.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388313AbeGXLte (ORCPT ); Tue, 24 Jul 2018 07:49:34 -0400 Received: from localhost.localdomain.toradex.int ([46.140.72.82]) by mrelay.perfora.net (mreueus003 [74.208.5.2]) with ESMTPA (Nemesis) id 0LrLMg-1g9fM510rU-0137a6; Tue, 24 Jul 2018 12:43:37 +0200 From: Marcel Ziswiler To: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marcel Ziswiler , Thierry Reding , Jonathan Hunter , Rob Herring , Mark Rutland Subject: [PATCH 11/15] ARM: tegra: apalis-tk1: enable emmc ddr52 mode Date: Tue, 24 Jul 2018 12:43:05 +0200 Message-Id: <20180724104309.21741-12-marcel@ziswiler.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180724104309.21741-1-marcel@ziswiler.com> References: <20180724104309.21741-1-marcel@ziswiler.com> X-Provags-ID: V03:K1:QiT9/UNRtZyLs7ENi1nRClMH6TsSQ3wXk3YjlA40MqMENR9IIYI jfRWL3VuY88KSwy4PsBgb6uqyCturmiGjhVlQ3Uabr9Igpdl8+nPbCasCWCw/QZmee92J95 BPoHJZFqaZRg8UQaRjGRUAYzpk9RPe08zhiTtrYPKuGN2ewG8kjDfj2+INIUN3atzWWDHJ2 rQa5PjnTmSzrnsOQNmK4A== X-UI-Out-Filterresults: notjunk:1; V01:K0:P0fmeH1AuLU=:zAXXuquu5VzRvwk4OnHx4P lUWQJRIAIcDvsq//F/TS8+S6S5OhA1zllQfqLZL2XfQ4J9eFu5bZJy2LBYRZyhVS1sL6IUBec z/YqIMmK/4P4WP6k8M65kxiPhe/iA+TRSNoxKkCiGnBNV2kK6vr7TbnyKso5n2H11ewegp0rR IttPEKsU+blSkif7qINSOnkNlI3vEodU0bwIcibMkL35VsaOKE7LRNVhXeuF6n36C2yJosA1W 0eb/tI27xp+PZ6+DRAAAjkXB9n/m/USwB5u4Ykp90WTa+tTWI4j6+xocrjgugS1dxKwjwi1zF 6k8rod1aqodMSmpC53WrUWQ4signlYJDPJVGB7TjEIYtMjaG1mORVpEyLe3JJqr4Ba6+R5Pm3 4e1oGAbflpCPXUXmOXeAR1qarC71cchgOPC/DWzcoAWJ/MQHbfMgfLnpITJkoSGP4zOXH9Hiv yr8ivcNB6SBUq1F3DL+7eH/9GbtRWpu5bANaLmTal5FkHm3blpP4Cvxsb1NmhJ6NyVB641tv/ nb9E/VdGdKO+lpJ2Z1oiKcJG/ZbanBWIPrg4VgzrraIOCqBQ7KMuPbciwwURTu3mMHDZlMWWq LnpesNKP/Ugae5iLGBZ5BvxvEEyqfvoVofoYRJ4IlF5L1YWL9lTWR4eVz3f1z8biiGWtAK4Cf DUDW7G7XCIPHTFt5ZUA/94a1/3c1u8xtQd7CGzg2r/mfuK60Qhl6AJSCvjNxrolQlCcA= Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Marcel Ziswiler Add mmc-ddr-1_8v property enabling eMMC DDR52 mode. root@apalis-tk1-mainline:~# cat /sys/kernel/debug/mmc2/ios clock: 52000000 Hz actual clock: 52000000 Hz vdd: 21 (3.3 ~ 3.4 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 8 (mmc DDR52) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) root@apalis-tk1-mainline:~# hdparm -t /dev/mmcblk2 /dev/mmcblk2: Timing buffered disk reads: 256 MB in 3.02 seconds = 84.83 MB/sec Signed-off-by: Marcel Ziswiler --- arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi | 1 + arch/arm/boot/dts/tegra124-apalis.dtsi | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi index 6c255cb70339..13486fe407d2 100644 --- a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi +++ b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi @@ -1919,6 +1919,7 @@ non-removable; vmmc-supply = <®_module_3v3>; /* VCC */ vqmmc-supply = <®_1v8_vddio>; /* VCCQ */ + mmc-ddr-1_8v; }; /* CPU DFLL clock */ diff --git a/arch/arm/boot/dts/tegra124-apalis.dtsi b/arch/arm/boot/dts/tegra124-apalis.dtsi index 72253d918ebd..77ca508d755e 100644 --- a/arch/arm/boot/dts/tegra124-apalis.dtsi +++ b/arch/arm/boot/dts/tegra124-apalis.dtsi @@ -1948,6 +1948,7 @@ non-removable; vmmc-supply = <®_module_3v3>; /* VCC */ vqmmc-supply = <®_1v8_vddio>; /* VCCQ */ + mmc-ddr-1_8v; }; /* CPU DFLL clock */