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 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1ED86C433FE for ; Fri, 21 Oct 2022 11:46:33 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 3521785043; Fri, 21 Oct 2022 13:43:37 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1666352617; bh=g8KnY5y065jJokzOsr/S+dJzs93EesyK/yG8agJoe2o=; h=From:To:Subject:In-reply-to:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=pT7mV/zi2GAosXnepVv8eSfaMB6+eck9bHLCoaNWIMKck+ryT2KP1JBpIRAMpukGM GMyUa9GaxV2XLmgXz8/vTIwg7hLLb6P2pSfaydx8aYaJVk1Vguy0gyBfGN8pO0zbLw mwwYdoSjniP6DFTeK5wdw3I9D2/q3FSBJFEDnO0qnOiQ3HpOurHKErrxJfeMgrtq4c LcXABpK6XSdgHlEAh1iutF41IFda9xZE1yxbED/SKkuYsL8A37XbmSzVmV5MIkWBGM qHM+x62nGPSzk236EBUIh1vxnJR410qkcXCE+k38n/2MjVbHVDS2XuYa/TvHxLo05p CPsA8Vja9CMAA== Received: by phobos.denx.de (Postfix, from userid 109) id 475E08500A; Fri, 21 Oct 2022 13:42:20 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 6EDD584FFF for ; Fri, 21 Oct 2022 13:42:15 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend03.mail.m-online.net (unknown [192.168.6.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Mv2d31ZP8z1r56K; Fri, 21 Oct 2022 13:42:15 +0200 (CEST) Received: from localhost (dynscan3.mnet-online.de [192.168.6.84]) by mail.m-online.net (Postfix) with ESMTP id 4Mv2d31JBCz1qqlR; Fri, 21 Oct 2022 13:42:15 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan3.mail.m-online.net [192.168.6.84]) (amavisd-new, port 10024) with ESMTP id BcqnLcQK_D1l; Fri, 21 Oct 2022 13:42:14 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Fri, 21 Oct 2022 13:42:14 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 1669841 X-Patchwork-Delegate: sbabic@denx.de To: Frieder Schrempf ,u-boot@lists.denx.de Subject: [PATCH v3 15/19] imx: kontron-sl-mx8mm: Use the VSELECT signal to switch SD card IO voltage In-reply-to: <20220824135921.1843567-13-frieder@fris.de> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20221021114220.475E08500A@phobos.denx.de> Date: Fri, 21 Oct 2022 13:42:15 +0200 (CEST) X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean > From: Frieder Schrempf > It turns out that it is not necessary to declare the VSELECT signal as > GPIO and let the PMIC driver set it to a fixed high level. This switches > the voltage between 3.3V and 1.8V by setting the PMIC register for LDO5 > accordingly. > Instead we can do it like other boards already do and simply mux the > VSELECT signal of the USDHC interface to the pin. This makes sure that > the correct voltage is selected by setting the PMIC's SD_VSEL input > to high or low accordingly. > Reported-by: Heiko Thiery > Signed-off-by: Frieder Schrempf > Reviewed-by: Heiko Thiery > Reviewed-by: Fabio Estevam Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================