From patchwork Thu Mar 19 16:46:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Guido_G=C3=BCnther?= X-Patchwork-Id: 203088 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=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 D7B3FC4332B for ; Thu, 19 Mar 2020 16:46:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA29C2071C for ; Thu, 19 Mar 2020 16:46:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727360AbgCSQqG (ORCPT ); Thu, 19 Mar 2020 12:46:06 -0400 Received: from honk.sigxcpu.org ([24.134.29.49]:41484 "EHLO honk.sigxcpu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727517AbgCSQqG (ORCPT ); Thu, 19 Mar 2020 12:46:06 -0400 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id B6010FB03; Thu, 19 Mar 2020 17:46:03 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bpzGdWj8WUbo; Thu, 19 Mar 2020 17:46:02 +0100 (CET) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id 68B79412BE; Thu, 19 Mar 2020 17:46:02 +0100 (CET) From: =?utf-8?q?Guido_G=C3=BCnther?= To: Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , "Angus Ainslie (Purism)" , Martin Kepplinger , =?utf-8?q?Guido_G=C3=BCnther?= , Abel Vesa , Anson Huang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU Date: Thu, 19 Mar 2020 17:46:02 +0100 Message-Id: X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org According to the imx8mq data sheet running VDD_GPU at 0.9V is enough when not overclocking to 1GHz (which we currently don't do). Signed-off-by: Guido Günther --- arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index c47a26cf8e43..736b250bc9c2 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts @@ -318,7 +318,7 @@ regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; regulator-always-on; - rohm,dvs-run-voltage = <1000000>; + rohm,dvs-run-voltage = <900000>; }; buck4_reg: BUCK4 {