From patchwork Tue Feb 18 07:41:42 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrej Picej X-Patchwork-Id: 13979169 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 959DFC02198 for ; Tue, 18 Feb 2025 07:48:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LY21b1IltK87VhJWIfI/Rny36lwpwc/fE+AUTcuVaG4=; b=CU6OfPYesJWd88tn6nj6CZH8v/ lGS5nwjOaSI582s1RfeNOptyKPgdFMhOoVLbWT3rRYSLhiyeuWZXwC5HIa4qcfBH9oPO0XkW2oMey cOyab4vV7aVdVFOxSIJH967oCczXvCrmjc5KkujM/5hJJV5XuVpah1RB1H5CSU93tT0E68azoK8cG U9CgkDm83dpIl/tNVNpgSWH3tkE5CFmKMyiav8qtUAj1G6Wl/nsTYztAzgI+5CR5/fIl4Wl4Mjo6K h0ha6LyWzEws3FS0rYixHsgymEUR/0r8IhGjSuDmkOTd9Ca5Cf7WmRm8tzhF+90cfbFP22fKyPyHO A+wV0Y+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tkILC-000000077px-0sgL; Tue, 18 Feb 2025 07:48:26 +0000 Received: from cpanel.siel.si ([46.19.9.99]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tkIFf-000000076WG-3NoC for linux-arm-kernel@lists.infradead.org; Tue, 18 Feb 2025 07:42:47 +0000 Received: from 89-212-21-243.static.t-2.net ([89.212.21.243]:52604 helo=and-HP-Z4..) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1tkIFd-00G0MD-04; Tue, 18 Feb 2025 08:42:40 +0100 From: Andrej Picej To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de Subject: [PATCH v3 01/15] arm64: dts: imx8mm-phycore-som: Keep LDO3 on in suspend Date: Tue, 18 Feb 2025 08:41:42 +0100 Message-Id: <20250218074156.807214-2-andrej.picej@norik.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250218074156.807214-1-andrej.picej@norik.com> References: <20250218074156.807214-1-andrej.picej@norik.com> MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: andrej.picej@norik.com X-Authenticated-Sender: cpanel.siel.si: andrej.picej@norik.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250217_234244_020979_26480017 X-CRM114-Status: UNSURE ( 7.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Teresa Remmet LDO3 is also used as switch for enabling VDD_3V3_S and need to be kept on during suspend. Disabling this can lead to an unwanted reset during resume. Set LDO3 to 2,5V as the voltage should be fix. Signed-off-by: Teresa Remmet Signed-off-by: Andrej Picej --- Changes in v3: - no change --- arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi index 6069678244f3..7761acc5c510 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi @@ -161,11 +161,13 @@ reg_vcc_enet: ldo3 { regulator-always-on; regulator-boot-on; regulator-max-microvolt = <2500000>; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <2500000>; regulator-name = "VCC_ENET_2V5 (LDO3)"; regulator-state-mem { - regulator-off-in-suspend; + regulator-on-in-suspend; + regulator-suspend-max-microvolt = <2500000>; + regulator-suspend-min-microvolt = <2500000>; }; };