From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50F02C43381 for ; Sat, 9 Mar 2019 15:00:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20CB22086A for ; Sat, 9 Mar 2019 15:00:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552143656; bh=LRTTlB8gN0bCiT/Z5/Z5zKrrv4H9gWR0WlKFUoTncQI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=P0R/GfvEKM7iHr3iip5OQO0H6/z4SlrQAyUmDn/S75x0s4t/OSUBYtq/2SfCHokWI F/GA206YObUI2XC9mu4V+OcFvMEe5FVS5nxgn3zIAjwfkfRs7SvRkdp/GNDmIoTNMQ gWjca8Tu9JDS8VCDsSypyVHnjnmXNqc/loGDBXLQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726445AbfCIPAz (ORCPT ); Sat, 9 Mar 2019 10:00:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:49122 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726283AbfCIPAy (ORCPT ); Sat, 9 Mar 2019 10:00:54 -0500 Received: from localhost.localdomain (unknown [194.230.155.153]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D28B02086A; Sat, 9 Mar 2019 15:00:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552143653; bh=LRTTlB8gN0bCiT/Z5/Z5zKrrv4H9gWR0WlKFUoTncQI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jSqfghuQv7csGCG4TGspObExhyO+mgta9dOMukV1wTmeNdSFhZ5mgIszzpaXh810n FYfSvlriYqZhE3KgChWsMJRqmVM+MDoakk7OKiN2PFvyrgc7oBq2625Xza0rCU3yXg Ao5P/6ZEjVJv3v+lZl5dGnh86pbvmD1TxzeVhyOM= From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski Subject: [PATCH 2/3] ARM: dts: exynos: Add support for UHS-I SD cards on Arndale Octa Date: Sat, 9 Mar 2019 16:00:38 +0100 Message-Id: <20190309150039.8705-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190309150039.8705-1-krzk@kernel.org> References: <20190309150039.8705-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Exynos5420's Mobile Storage Host supports SD cards in UHS-I standard (SD specification v3.0), with 1.8 V signaling in SD UHS DDR50. Adjust the regulator and add necessary capability properties. Change the SDR and DDR timings to match values in Insignal v3.4 Android kernel. Tested with SD UHS-I card in SD UHS DDR50 mode. Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index 751e772b5710..96a0eb73a99b 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -441,7 +441,7 @@ ldo13_reg: LDO13 { regulator-name = "PVDD_APIO_MMCOFF_2V8"; - regulator-min-microvolt = <2800000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <2800000>; }; @@ -701,14 +701,17 @@ status = "okay"; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3>; - samsung,dw-mshc-ddr-timing = <1 2>; + samsung,dw-mshc-sdr-timing = <0 4>; + samsung,dw-mshc-ddr-timing = <0 2>; pinctrl-names = "default"; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; bus-width = <4>; cap-sd-highspeed; + sd-uhs-sdr50; + sd-uhs-sdr104; + sd-uhs-ddr50; }; &pinctrl_0 { -- 2.17.1