From patchwork Thu Jan 27 01:00:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Geis X-Patchwork-Id: 537228 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BB13C433FE for ; Thu, 27 Jan 2022 01:00:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231202AbiA0BAa (ORCPT ); Wed, 26 Jan 2022 20:00:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234174AbiA0BA3 (ORCPT ); Wed, 26 Jan 2022 20:00:29 -0500 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F135C06161C; Wed, 26 Jan 2022 17:00:29 -0800 (PST) Received: by mail-qt1-x829.google.com with SMTP id h25so329998qtm.1; Wed, 26 Jan 2022 17:00:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vajErjDWK29FvNOeA4ceH5ORPugHRCo1to0RNKcwTFU=; b=QgNvaXFHaMQz4rxk5UlHaIxI7n+089K4Astv6OBdqs2zKDF+fKF8kvop+rXFxvlq0W ZqdaCg4RP/DFJNkTn5zno3ps/kvQ9SHg/EVkTr9FinV4u/YkdQzO7Yy3XRpq5phdcNW/ 4lPipLqukO3oiRwFsQR/Ndnd7F0Fmzm+Xbgbf3BHhft0ImKfgrCc6WiibW8CZxYuNIVE 46n306m5bvWDX7itR8X3dXCSJXshDxpWRhz1STS2C5spw2YN2itox9TXgDf5dQwZSNwT 8E7kdAQmics8nIiZEfX5YEuJL52EcaesDHWSo0JK7OGDqhS4HytMSJOHTECO+V3NDCFi 8mZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vajErjDWK29FvNOeA4ceH5ORPugHRCo1to0RNKcwTFU=; b=T5kdCm1bVQd5b0lkuBbHvIpzdkECdKP820882Kfme9tn6kf4FKPG98ElPgiiDml0/t leinHmLiaUwNOdTPJtJARMguEIwTmV1BC8ZfEdoHF7RMnI2TpMl18g7AGCwpB2AWgMlv vRnqGBB5Mvv6WxzkUFw6cgrwN3cnvzbREAil40Zi9RqnL+ns88CWSDrVbfZ8isJCaY3D 1hri4Ccx91PL+unVB98OvKzvvySOS+i+3eabVYLId942FhYZtidkUMjzwuXath2wkZhR NH7fCPXlJOPgttu2vtqyIRxYnkhNmuydt9hSD1CgRuWbfl9yOxm0RmE1coSageZRW9kx 0sRg== X-Gm-Message-State: AOAM530v1M+u2N7LORXlLoZUFEkSsY6/UtRjhxVqjd5RZequEMd3gENl ZG6rX7t3YNAo5TBxcfA/rY4= X-Google-Smtp-Source: ABdhPJwxQAwzc/Zno4iXwIWNgILmCOnWnIQJd6njQUYmw0iI1RfcM5/4qZKIH/FKJCNK3C1xAvrhQA== X-Received: by 2002:a05:622a:1102:: with SMTP id e2mr1121245qty.2.1643245228558; Wed, 26 Jan 2022 17:00:28 -0800 (PST) Received: from master-x64.sparksnet (c-98-233-193-225.hsd1.dc.comcast.net. [98.233.193.225]) by smtp.gmail.com with ESMTPSA id n2sm483389qti.59.2022.01.26.17.00.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 17:00:28 -0800 (PST) From: Peter Geis To: Rob Herring , Heiko Stuebner , Peter Geis Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] arm64: dts: rockchip: fix Quartz64-A ddr regulator voltage Date: Wed, 26 Jan 2022 20:00:21 -0500 Message-Id: <20220127010023.3169415-2-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127010023.3169415-1-pgwipeout@gmail.com> References: <20220127010023.3169415-1-pgwipeout@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Quartz64 Model A uses a voltage divider to ensure ddr voltage is within specification from the default regulator configuration. Adjusting this voltage is detrimental, and currently causes the ddr voltage to be about 0.8v. Remove the min and max voltage setpoints for the ddr regulator. Fixes: b33a22a1e7c4 ("arm64: dts: rockchip: add basic dts for Pine64 Quartz64-A") Signed-off-by: Peter Geis --- arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts index 166399b7f13f..d9eb92d59099 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts @@ -285,8 +285,6 @@ regulator-state-mem { vcc_ddr: DCDC_REG3 { regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1100000>; regulator-initial-mode = <0x2>; regulator-name = "vcc_ddr"; regulator-state-mem {