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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 98941C433DF for ; Wed, 17 Jun 2020 21:28:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 811D72166E for ; Wed, 17 Jun 2020 21:28:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726868AbgFQV2E (ORCPT ); Wed, 17 Jun 2020 17:28:04 -0400 Received: from relay9-d.mail.gandi.net ([217.70.183.199]:39991 "EHLO relay9-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726496AbgFQV2E (ORCPT ); Wed, 17 Jun 2020 17:28:04 -0400 X-Originating-IP: 86.202.110.81 Received: from localhost (lfbn-lyo-1-15-81.w86-202.abo.wanadoo.fr [86.202.110.81]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 7FCD9FF804; Wed, 17 Jun 2020 21:27:58 +0000 (UTC) Date: Wed, 17 Jun 2020 23:27:58 +0200 From: Alexandre Belloni To: Codrin Ciubotariu Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, nicolas.ferre@microchip.com, ludovic.desroches@microchip.com, claudiu.beznea@microchip.com Subject: Re: [PATCH 1/3] ARM: dts: at91: sama5d2_xplained: classd: pull-down the R1 and R3 lines Message-ID: <20200617212758.GD3675@piout.net> References: <20200615095525.43414-1-codrin.ciubotariu@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200615095525.43414-1-codrin.ciubotariu@microchip.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 15/06/2020 12:55:23+0300, Codrin Ciubotariu wrote: > The R1 and R3 lines drive NMOS transistors that are OFF with a low level. > On the SAMA5D2 Xplained board, if the pins corresponding to R1 and R3 > have pull-ups enabled, there is an extra 2 x 30uA power consumption. > Use pull-downs for these 2 lines to remove the unnecessary power > consumption. > > Fixes: b133ca7a653c ("ARM: dts: at91: sama5d2_xplained: add pin muxing and enable classd") > Signed-off-by: Codrin Ciubotariu > --- > arch/arm/boot/dts/at91-sama5d2_xplained.dts | 14 +++++++++----- > 1 file changed, 9 insertions(+), 5 deletions(-) > Applied, thanks. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com