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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 14C24C433DF for ; Mon, 17 Aug 2020 18:27:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5CE920738 for ; Mon, 17 Aug 2020 18:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597688863; bh=r9cARwlmRmQB2cn/JMr7t+CaD0wcuI04mAkfiugb6E4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UX0LyhXX74hh3fEF39ZG6hftFAw8Y9DrTw3+Y/YCgovWb7Jpn/a15AU2igVH/HsdV 2XtzbunGH0vMQm7JvodRCldZcUjHlxXQYQ3/BXrlcCvV4W9usiQ9QEnxIc3qhS0PZ2 7mpksEjLg36uAjQPcFFcqZqVsTXDIoryoFcCxuC4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390985AbgHQS1k (ORCPT ); Mon, 17 Aug 2020 14:27:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:49496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388171AbgHQQCC (ORCPT ); Mon, 17 Aug 2020 12:02:02 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE7BD207FB; Mon, 17 Aug 2020 16:02:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597680121; bh=r9cARwlmRmQB2cn/JMr7t+CaD0wcuI04mAkfiugb6E4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=veOuhMVnkrexfSSJcM7phrSGfvjxEoLGvgtELOjoUlUxrIYC+YJZFUDVvQ1wlNspk JhRINZGBR2NFmeceWCX8B6Mc4UpNslg0c6AFGCy/ytLiUb2YTcNpS3ePyDVAFKlmBO 3Hov9vQ2i5FroP2Q1uj1h2hMJkcAJvyC1mJRgCN8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chen-Yu Tsai , Maxime Ripard , Sasha Levin Subject: [PATCH 5.4 030/270] ARM: dts: sunxi: bananapi-m2-plus-v1.2: Fix CPU supply voltages Date: Mon, 17 Aug 2020 17:13:51 +0200 Message-Id: <20200817143757.298015979@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200817143755.807583758@linuxfoundation.org> References: <20200817143755.807583758@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chen-Yu Tsai [ Upstream commit e4dae01bf08b754de79072441c357737220b873f ] The Bananapi M2+ uses a GPIO line to change the effective resistance of the CPU supply regulator's feedback resistor network. The voltages described in the device tree were given directly by the vendor. This turns out to be slightly off compared to the real values. The updated voltages are based on calculations of the feedback resistor network, and verified down to three decimal places with a multi-meter. Fixes: 6eeb4180d4b9 ("ARM: dts: sunxi: h3-h5: Add Bananapi M2+ v1.2 device trees") Signed-off-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20200717160053.31191-4-wens@kernel.org Signed-off-by: Sasha Levin --- arch/arm/boot/dts/sunxi-bananapi-m2-plus-v1.2.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/sunxi-bananapi-m2-plus-v1.2.dtsi b/arch/arm/boot/dts/sunxi-bananapi-m2-plus-v1.2.dtsi index a628b5ee72b65..235994a4a2ebb 100644 --- a/arch/arm/boot/dts/sunxi-bananapi-m2-plus-v1.2.dtsi +++ b/arch/arm/boot/dts/sunxi-bananapi-m2-plus-v1.2.dtsi @@ -16,12 +16,12 @@ reg_vdd_cpux: vdd-cpux { regulator-type = "voltage"; regulator-boot-on; regulator-always-on; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1300000>; + regulator-min-microvolt = <1108475>; + regulator-max-microvolt = <1308475>; regulator-ramp-delay = <50>; /* 4ms */ gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */ gpios-states = <0x1>; - states = <1100000 0>, <1300000 1>; + states = <1108475 0>, <1308475 1>; }; }; -- 2.25.1