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=-9.8 required=3.0 tests=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=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 D1465FA372C for ; Fri, 8 Nov 2019 19:05:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9622221D82 for ; Fri, 8 Nov 2019 19:05:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239948; bh=+MKZtubzbvIj11RUNynTSSWXK2LQLv7HtWhYggHIKz8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IpKlQTyg9Zu0KCgVW0yVB6lFNbU12gbEczIckcVKNulJ2kyX5aJgcz93rewzAVj4F 4f2NTf0ERjlrk65n8JSRxfXE5h2w/Zv3JrWkO+SVnLc0MhxhMPNnhE+VquAFguGJCZ eMDUKB8Y9bSZw2N0ymbt4xeXs0Fdq9r0Wq0WnQJU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391151AbfKHTFk (ORCPT ); Fri, 8 Nov 2019 14:05:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:35754 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732573AbfKHTFg (ORCPT ); Fri, 8 Nov 2019 14:05:36 -0500 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 6EB092067B; Fri, 8 Nov 2019 19:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239935; bh=+MKZtubzbvIj11RUNynTSSWXK2LQLv7HtWhYggHIKz8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O5h/gaiq7B/GRXrPJUgmDFLk/IVDiIOzIJV8NW4Nzt0t2HTNHqTPYr8VqUg84zb5u QpRBuYbPALg2p23qLAX3uiUTTyU5ST7JeKpy9oXRyof+0TwyWsSoosoRaVJPG5vQal zBXFpxFtsw3+gL+olfRYyGi0s4VMlvzwKww0aUiU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Soeren Moch , Heiko Stuebner , Sasha Levin Subject: [PATCH 5.3 025/140] arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings Date: Fri, 8 Nov 2019 19:49:13 +0100 Message-Id: <20191108174904.815119139@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174900.189064908@linuxfoundation.org> References: <20191108174900.189064908@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: Soeren Moch [ Upstream commit 0990c5e7573098117c69651821647c228483e31b ] The RockPro64 schematic [1] page 18 states a min voltage of 0.8V and a max voltage of 1.4V for the VDD_LOG pwm regulator. However, there is an additional note that the pwm parameter needs to be modified. >>From the schematics a voltage range of 0.8V to 1.7V can be calculated. Additional voltage measurements on the board show that this fix indeed leads to the correct voltage, while without this fix the voltage was set too high. [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64") Signed-off-by: Soeren Moch Link: https://lore.kernel.org/r/20191003215036.15023-1-smoch@web.de Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts index 5818b85255123..cad314f708300 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts @@ -166,7 +166,7 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1400000>; + regulator-max-microvolt = <1700000>; vin-supply = <&vcc5v0_sys>; }; }; -- 2.20.1