From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757795AbbLBLMv (ORCPT ); Wed, 2 Dec 2015 06:12:51 -0500 Received: from mail-pa0-f68.google.com ([209.85.220.68]:33339 "EHLO mail-pa0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753445AbbLBLMt (ORCPT ); Wed, 2 Dec 2015 06:12:49 -0500 From: Caesar Wang To: Heiko Stuebner , linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org, Caesar Wang , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board Date: Wed, 2 Dec 2015 19:12:21 +0800 Message-Id: <1449054741-25354-2-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1449054741-25354-1-git-send-email-wxt@rock-chips.com> References: <1449054741-25354-1-git-send-email-wxt@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In general, the logic voltage is affected by ddr frequency factors. We should fix the correct voltage range since assuemd that we have the ddr frequency driver in mainline. AFAIK, the 1.8v voltage is used by the SD3.0 card. Signed-off-by: Caesar Wang --- arch/arm/boot/dts/rk3288-evb-act8846.dts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts index 43949a6..2797f32 100644 --- a/arch/arm/boot/dts/rk3288-evb-act8846.dts +++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts @@ -119,8 +119,8 @@ vdd_log: REG3 { regulator-name = "VDD_LOG"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1500000>; regulator-always-on; }; @@ -133,7 +133,7 @@ vccio_sd: REG5 { regulator-name = "VCCIO_SD"; - regulator-min-microvolt = <3300000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-always-on; }; -- 1.9.1