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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 95CB7C433E3 for ; Sat, 8 Aug 2020 23:47:18 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 643F6206B5 for ; Sat, 8 Aug 2020 23:47:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KpPk1LH6"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ym3y3Fp/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 643F6206B5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hYELqqeOZ5X03b/+MKUV29tCoCW2affeSQQsIW4QwNM=; b=KpPk1LH6jmyKEh8A9oZlXweht p4+QX/beDH5NPa7JZtIFCInDxYwS83Dn0jyEDveGvm/eXTe36MRRgZw+ic3ecM+51xNCxuuCDq26q n6Sqfncsk/c8YMrlbZSjFotUHiISJ0aWm7yxXX3JBhRCrJKrXmDL5ywyFslwuiK0OfJt8fHfwnw/a Vo9jvs+3/0pb2efNoEKrZ63tdJNdv5fh0I/66Bn8O9X5NiEiVcYaZqY0aDd92a318DXqj5KdJnRRL 1IcvUM3IK1O6jZiZlm61zLz2pHLzEm0PXbxYxNlbm+XFqdrKXTpJ4nvqe9khOizu1c4mD/XfNMAOc ZNnWD1mkw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k4YX9-0000UI-Bk; Sat, 08 Aug 2020 23:45:51 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k4YPq-0001sd-0H for linux-arm-kernel@lists.infradead.org; Sat, 08 Aug 2020 23:38:21 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 57E0C20825; Sat, 8 Aug 2020 23:38:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596929896; bh=r9cARwlmRmQB2cn/JMr7t+CaD0wcuI04mAkfiugb6E4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ym3y3Fp/ibDwaN9PZkfamxMrSGDdLGikQG+FbuRKZ/Z7JhkJ+AqZgKxPJpko9dvkq bCcuVXv4saxigxzHwlEIjCKiRL+sKUJdM7cdc+BPzBjXAs3wenrd94b9tM5+QqZSIZ hrxbPeDCzozHuRozdiZymIFa4tXiURudsqPF3nDg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.7 36/58] ARM: dts: sunxi: bananapi-m2-plus-v1.2: Fix CPU supply voltages Date: Sat, 8 Aug 2020 19:37:02 -0400 Message-Id: <20200808233724.3618168-36-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200808233724.3618168-1-sashal@kernel.org> References: <20200808233724.3618168-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200808_193818_499827_D1BA6982 X-CRM114-Status: GOOD ( 12.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , devicetree@vger.kernel.org, Chen-Yu Tsai , Maxime Ripard , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel