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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 CCCC0C43331 for ; Mon, 11 Nov 2019 00:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 973DD206BA for ; Mon, 11 Nov 2019 00:52:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="uuUZTZU4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726730AbfKKAwT (ORCPT ); Sun, 10 Nov 2019 19:52:19 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:43413 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726710AbfKKAwT (ORCPT ); Sun, 10 Nov 2019 19:52:19 -0500 Received: by mail-pg1-f195.google.com with SMTP id l24so8296097pgh.10; Sun, 10 Nov 2019 16:52:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=7JBZMDJ/jQpvGVhkPi30utKHejoieOrOST93jaHrfvk=; b=uuUZTZU4ugdpCAeFHhqDRbg8HA2vYG1ELckLdXzZrkOa3J9YX3rpx3TUbe8gn8j/AR cW5MPpJLNwnQ2F6EOJLzuA8WXQ3RIAbH8AJyX4vZzXgLuTOkCVTyYDA6k2a1JZ80GdMd Kwh3FoIyH3SpQBLtdPaOnPCpLIOEZHFcm+CLf2vR2PyuuwtltWXVipmyjbIubmZGRDgO KToeWqkbgRtYlXi0Thd2U3BuG2RX6WQjpmMrUvY/LlAGzY8g59ZK80J3c3IrGz5VdRyV Yxs5nqzGGqk+axRolveimuomUZoMc8EPNzCZiqwvjYhvsXjykpQnV6m5OhkFP7f2wcYA lFdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=7JBZMDJ/jQpvGVhkPi30utKHejoieOrOST93jaHrfvk=; b=fdyNjjikuH0ogNMG82eOYhoaJhaQMzUWAibm1h73mbKB9M89xhodtDu2U7lji/pqRZ G0qiNvAgOfCopNGEh9r0msCWL2H6cRx9inLSpU+dMLWdidzK21WlKA1N9rFqf3bbQ+Bi ZMtUWx8vZDCxCwLrPcEKkeJORNNCBWyK2Go57kUnkpSlLXeBPnAyAHiz24ec8DEuO5ry pXSdr6/1jVPaphYbIhHHQsp4mAvsQHOwtZNS8xLP2bbr/7fhlnWFqrotUFv3LEAcBdZE U8aEIiS/zkKj86+aLAKCjDdxm6OvzBAmrxQF+7f6qZdzoICnCsiSAO9cL4VLkqg3eTyk me0g== X-Gm-Message-State: APjAAAV0fT+e7CAM3ed3qcl3IMTgMq8FITuy+AIxuhRXTcXAnFb3Jr4w IoNiEC/zlvY9wHbP/9d1iJ8= X-Google-Smtp-Source: APXvYqwDRChvidhBwhHK5/pGQamQPfZb8pb7/YDluV+1KaXPBs9O8AoWBZkEJTB4TUYKdk4p9DdhvA== X-Received: by 2002:a63:f94e:: with SMTP id q14mr21190084pgk.411.1573433538888; Sun, 10 Nov 2019 16:52:18 -0800 (PST) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id e8sm12449215pga.17.2019.11.10.16.52.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Nov 2019 16:52:18 -0800 (PST) From: Kever Yang To: heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, Kever Yang , Mark Rutland , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log Date: Mon, 11 Nov 2019 08:51:56 +0800 Message-Id: <20191111005158.25070-1-kever.yang@rock-chips.com> X-Mailer: git-send-email 2.17.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The min/max value of vdd_log is decide by pwm IO voltage and its resistors, the rk3399-firefly board's pwm regulator circuit is designed for IO voltage at 1.8V, while the board actually use 3.0V for IO, which at last lead to the min-microvolt to '430mV' instead of '800mV'. Signed-off-by: Kever Yang --- arch/arm64/boot/dts/rockchip/rk3399-firefly.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts index c706db0ee9ec..92de83dd4dbc 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts @@ -206,7 +206,7 @@ regulator-name = "vdd_log"; regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <800000>; + regulator-min-microvolt = <430000>; regulator-max-microvolt = <1400000>; vin-supply = <&vcc_sys>; }; -- 2.17.1